2x WLSV - Specification Rev 0

TECHNICAL SPECIFICATION WIRELINE SUPPORT VESSEL Page - 1/69

HALUL OFFSHORE SERVICES CO. W.L.L Dated 10.10.2010

WIRE LINE SUPPORT VESSEL

OUTLINE SPECIFICATION

HALUL OFFSHORE SERVICES Co. W.L.L



CONTENTS

SECTION -1 GENERAL

SECTION -2 STRUCTURAL SPECIFICATIONS

SECTION -3 ACCOMMODATION & OTHER COMPARTMENTS

SECTION -4 DECK MACHINERY

SECTION -5 PIPING SYSTEMS

SECTION -6 SAFETY & NAVIGATION EQUIPMENT

SECTION -7 MACHINERY

SECTION -8 ELECTRICAL

SECTION -9 SPARES & TOOLS

SECTION -10 APPROVED MAKERS LIST



SECTION 1- GENERAL 100. Intent & Definition

This specification is intended to describe the construction of a twin screw Wire-Line Support Vessel completely outfitted and equipped for wire-line support, well-killing, well-logging and other related duties. The Vessel will be classed for Unrestricted Service. While most of the functions and equipment requirements have been indicated herein after, it is not exhaustive and hence, any items not specifically mentioned in this specification but functionally necessary for this type and size of vessel shall also be furnished by builder. QP (Qatar Petroleum) tender specification requirements for the scope of service for this vessel, as annexed, is to be complied with, in addition to this specification. The following terms will be used in the following specification:-

Owner : Halul Offshore Services Company W.L.L Builder : TBA Classification: Lloyds Register of Shipping

101. Operational Requirements

The twin screw Wire-Line Support vessel is for unrestricted operation and should be suitable for operation in any geographical location (Ice class construction/ notation is not required) including Arabian Gulf and for unrestricted sea-going service worldwide. The vessel is designed for multi-purpose roles which, for guidance purposes, are as follows: a) Wire-Line Support b) Well Logging c) Well Killing d) Move men and materials between platforms and shore e) Evacuate casualties f) Operation to be 24 hours/day continuous operation. Good manoeuvrability and station keeping, is to be achieved by using twin controllable pitch propellers, twin rudders and transverse bow Thruster. Twin manoeuvring consoles are fitted in the wheelhouse stations, forward and aft with all individual controls and one “integrated joy-stick" control at aft console. A Radar repeater and a Gyro repeater is to be installed at the aft console The wheelhouse is designed to ensure excellent all-round view for facilitating all intended operations. Unobstructed view of the Windlass, rescue zone, aft deck and aft overhead may be ensured by fitting lower level and deck head windows. The accommodation is well appointed and centrally air-conditioned. The main propulsion engines are two medium speed heavy-duty marine diesels. All documents shall be in the English Language.

102. Principal Particulars

Length overall (Mld hull) : 60.0m (Max) Breadth moulded : 15.00m (approx) Depth moulded : 6.00m (approx)



Draft Scantling : 4.75m (approx) Draft (design) : 4.00m (approx) at 750 T dwt Draft moulded at Summer Loadline : 4.30m (approx) Deck camber (main deck) : NIL Deck camber (forecastle deck) : 150mm, straight Sheer : NIL Accommodation Super Structure height : Less than 13.5m at summer

load line draft, excluding masts, funnel, antennas, etc.

Minimum Dead Weight required : 750 T at design draft Main deck is to be strengthened for loading of 5 t/m2 and to be sheathed with hard wood. The deck is to be strengthened to 10T/M2 from stern to 15 meters inboard. Tween Deck clear heights at centre line Main deck : 2.60m (approx) Forecastle deck : 2.50m (approx) Deckhouse : 2.50m (approx) Wheelhouse : 2.50m (approx) Clear Cargo Deck Area, within crash bars : 300M2 (Minimum)

Capacities

Deck Cargo : 250 tonnes (approx) With tanks 100% full, the approx. capacities of tanks will be as follows: Freshwater, total : 350 M3 (approx) Fuel Oil, total : 325 M3 (approx) Water ballast : 200 M3 (approx) Well Killing Liquid : 300 M3 (minimum) L.O. Storage (sg = 2.0) : 10 M3 (approx) Freezer/Chiller (Ship's use) : 2x15 M3 (approx) Bilge Holding Tank : 10 M3 (approx) Sewage Holding Tank : 20 M3 (approx) Dirty Bilge Tank : 8 M3 (approx) Dispersant Tank : 5 M3 (approx) Hydraulic Oil Tank : 5 M3 (approx) Complement and Accommodation 2 x 1 berth cabin (Charterer) : 2 men (ensuite facilities) 2 x 2-berth cabin (Charterer) : 4 men (ensuite facilities) 7 x 4 berth cabin (Charterer) : 28 men 5 x 1-berth cabins : 5 men (ensuite facilities) 4 x 2-berth cabins : 8 men (ensuite facilities) 1x1 Berth Hospital : 1 Man ______ Total Complement : 48 men



Engines : 2 2000 hp (approx) at about 1000 rpm coupled to CPP - in fixed nozzles. Both engines shall also drive the external fi-fi pump and the shaft alternators, which shall supply the bow thruster of 8 Tons capacity. Total combined power of the engines shall not exceed 4000 BHP.

Endurance : 30 days at cruising speed of 11.5 Knot. 103. Classification

The vessel is to be constructed, machinery installed and equipment and spare gear provided in accordance with the latest Rules for Building & Classing of Steel Vessel to Lloyds Register Of Shipping (hereinafter referred to as classification) and to their special survey for hull and machinery for class notation +100A1*IWS+LMC, NAV

104. Registry

The owners are responsible for the registration of the vessel. The Port of Registry shall be Doha, State of Qatar.

105. Rules & Regulations The vessel is to be built to the standard of the statutory regulations for this type of vessel and to the following regulations: - International Regulations for Preventing Collisions at sea, 1972 including Amendments of 1981 - SOLAS 1974 plus latest amendments as relevant - International Loadline Convention 1996 - IMO Stability Guideline, A469 - MARPOL 73/78 and all subsequent amendments - Radio Communication Regulations to Government Regulations for GMDSS for

Area A1, A2 & A3 - International Tonnage measurements 1969 - Classification society rules - ISO std. 6954 – Guide line for overall evaluation of vibration in merchant ships. - IMO A468 (XII) – Resolution on noise level on board ships - IMO A343 – Recommendation on methods of measuring noise levels and

measuring points - Resolution A574 (14) – Recommendation on general requirements of Electronic

Navigation aid. - International Electrical Commission (IEC) publication 92 – Electrical installation

in Ships - International Telecommunication Convention with the latest amendments

including requirements for GMDSS. - ILO convention concerning crew accommodation on board ships (Nos.

92,133,140, 141, 152, 1970) and MLC 2006 and any amendments thereafter. - IMCA regulations - SPS 2008 Resolution(MSC 266(84))



106. Certificates

The following certificates are to be supplied to the owners at the time of delivery of the vessel, as applicable for this category and size of vessel: 1) Builder’s Certificate 2) Classification Certificate (Hull and Machinery) 3) Safety Equipment Certificate ( for a complement of 28 persons ) 4) Safety Construction Certificate 5) Loadline Certificate 6) Safety Radio Certificate 7) IOPP certificate and MARPOL 1973 - Protocol 1978, Letters of Compliance with

Annex IV, V and VI issued by Classification Society 8) Tonnage Certificate 9) De ratting Certificate 10) Type approval certificates of equipment and machinery as applicable 11) Class certificates for the eqpt. & machinery as applicable 12) Makers certificate for all the items 13) Load test certificate from classification for all the lifting, mooring, lashing

equipment, including overhead beams and lugs 14) Magnetic compass calibration sheet 15) All other certificates required by the classification. 16) SPS compliance certificate 17) TBT free paints

The cost of all fees and charges incurred for survey, classification and issue of

certificates are to be borne by the builder. 107. Materials & Workmanship

a) All materials and workmanship are to be of good shipbuilding quality. All steel plates, sections, hull forging and castings are to meet classification’s requirements and supplied with test certificates where required by classification society. All steel used to be of good welding quality, free from laminations or other harmful defects and be class approved. Only mild steel to be used for hull structure. All visible plates are to be smooth and straight wherever applicable. Approved and accepted equipment and machinery list of all equipment and machinery to be used in the vessel is provided in the approved makers list.

b) All woods used to be suitable for the intended purpose and of good quality. All timber to be impregnated against rot, infestation and free from odour and made fire retardant .

c) All smith work or fabricated fittings to be of neat design, strong, smooth & free from defects.

d) All castings to be of good quality, close grained and free from all cracks, blowholes and other defects. Steel castings to be manufactured to classification requirements and approval where required.

e) All nuts/bolts/screws/studs/clamps/fittings used on exposed decks shall be of non-rusting materials.



108. Welding Vessel to be of all welded construction, in accordance with contract plans, specification & classification requirement. Welding to in accordance with classification requirements. Electrodes to be selected from classification approved lists. Welding schedules to meet classification requirement/ standard. High standards of up-to-date welding practice and procedures are to be applied, associated with alignment, fairness, edge preparation and gap widths. Temporary lugs are to be removed and burs ground smooth with out any defect. Continuous welding, as required by class, is to be used on both sides of all beams, frames, girders floors etc. to shell and deck plating. Shell plating is butted flush and fully welded seams. Scantlings are to class requirements. Lifting eyes are provided on shell plating to facilitate propeller & rudder removal. Where possible, structure should be pre-fabricated in assemblies and sub-assemblies to give the maximum possible amount of down hand welding.

109. Inspection/Supervision Throughout the construction period prior to the delivery, the surveyors, owner’s representative and consultants are to be given free access to the builders’ yard during normal working hours for supervision and inspection. Qualified personnel from main engine, propulsion system, auxiliary machinery and major equipment suppliers / manufacturers shall be in attendance during commissioning, testing, dock trials and sea trials at builders expense.

110. Tests Shop Trials Shop trials of the following equipment are to be conducted in the presence of the owners and classification representatives. The yard shall inform the owners giving 14 days notice for attending the shop trials of main engines, Diesel generators, Bow thruster, Deck crane and Main & emergency switch boards. Onboard Trials Prior to the delivery, the Hull, all machinery, electrical, piping, all equipment installed, machinery and deck fittings, domestic equipment are to be thoroughly tested in the presence of the classification’s attending surveyor, owners and/or their representative. Alternator set load tests shall be carried out to demonstrate satisfactory electrical load and condition. Electrical machinery and circuits shall be tested to demonstrate satisfactory workmanship and compliance with specified requirements. Insulation measurements shall be taken for each electrical item and associated circuits and record submitted to owner. All tanks, generally complete with its fittings and piping to be tested under hydrostatic and / or pneumatic pressure according to the classification requirement, prior to painting in way of the welds. All piping systems shall be pressure tested according to the classification requirement.

111. Inclining Experiment Before sea trials, and with the vessel in as complete a condition as possible, an inclining experiment is to be carried out to ascertain the lightship displacement and centre of gravity.



A representative of the Statutory Authority and owner’s representative are to be present at the inclining experiment. For sister vessels, the inclining experiment is to be carried out for the first vessel only. However, a draft survey is to be carried out for subsequent vessels. A report on the inclining experiment is to be supplied to the Owner.

112. Dock Trials Dock trials are to be carried out in accordance with a programme agreed between Builder and the Owner, to check operation of machinery. Propulsion machinery, engine room auxiliary machinery, and deck machinery is to be tested. 1) All piping systems are to be fully tested, including the checking of valve name

plates 2) Electrical power points together with all lights 3) Auxiliary machinery 4) Ventilation, refrigeration machinery 5) All deck machinery 6) Air-conditioning machinery 7) All pumps etc.

113. Sea trial

Sea trial is to be arranged and carried out in accordance with a program approved by the Classification society and owners. The builders are to supply a master, crew, all victuals and necessary equipment and arrange the catering during the trials. All diesel oil, lubrication oil, FW, pilotage, standby vessel and dues for the trials are to be paid for by the builders. Owners at acquisition cost will buy the remaining diesel oil on board after the trials. The compass is to be adjusted during sea trial. a) Speed Trials

Speed is to be assessed during performance trials. The vessel is to demonstrate about 13.0 knots speed with a minimum of 750 T dead weight. The main engines are to develop their 100% MCR continuous rated brake horsepower for the free running speed trials. Free running speed shall be measured over an approved "measured mile" in four (4) consecutive runs at maximum engine 100% MCR power, in deep waters and sea conditions around Beaufort scale 2-3. The service speed is to be minimum 11.5 knots @ 90% MCR with the vessel loaded as mentioned above in the similar sea conditions. Maximum combustion pressures are to be recorded at 100% and 90% MCR.

b) Endurance Trials Full power endurance trials to be carried out for a period not less than 4 hours or as per classification requirement which ever is higher. Through out the period readings of the pressures and temperatures are to be taken at 30 minutes intervals.

Main engines Fuel consumption shall be recorded separately for MCR and for 90% power. Noise is to be measured during endurance trials. c) Turning Circle and Steering Trials

Steering gear trials are to be carried out, in accordance with Classification Society requirements. The time taken to move the rudder and the rudder angle is to be recorded.



The rudder is to be moved to the hard over position with vessel under full headway and held until the vessel has made one or more complete circles. The time to turn through 360 degrees and the diameter of the turning circle are to be recorded. The test is to be repeated with the helm hard over in the opposite direction. The time taken to change thrust direction from amidships to 10° Port to 10° Starboard are to be taken. A similar trial is to be made by moving the thruster from 10° Starboard to 10° Port and from 10° Port to midships. Williamson Turn (Man overboard trial) is to be carried out and a plot of the turn with relevant distances and time are to be framed and installed at a suitable location in the bridge.

d) Stopping & Astern Trials With the vessel proceeding ahead at full power the thrust direction controls are to

be moved from ‘full ahead’ to ‘full astern’ and the following records taken: 1) Time to move controls from ‘full ahead’ to ‘full astern’ 2) Time for the thrust to reach a steady condition to ‘Full Astern’ direction 3) Time to bring the vessel to a stop. This time must not exceed 40 seconds with

full loaded vessel 4) Estimate of distance run between initiation of order and stopping of vessel 5) Time to a steady astern condition

During the astern trial the vessel is to be inspected for occurrence of local vibration.

With the vessel under full headway and the engines running at their full revolutions, the propeller is to be reversed to full astern. After the vessel has reached full sternway and with engines running at their full revolutions, the propellers are to be reversed to full ahead, and the vessel is to run until the output of the engine has reached full headway. During this trial, the rudder is to be kept amidships. The course, time and distances for these manoeuvres are to be recorded.

114. Environmental Conditions

The vessel, plant, machinery and equipment, their components and related systems shall be entirely suitable for service under the following conditions: Ambient air temperature : 10 to 50 0C (max)

Relative humidity : 0 to 92% (max) Sea water temperature : 10 to 38 0C (max)

115. Trim & Stability

The vessel is to have sufficient positive stability in normal conditions of loading to comply with the standards as recommended by the Authorities. The results of the inclining experiment / lightship survey are to be used in the preparation of a comprehensive Trim and Stability Book for the use of ship's officers. The stability data is to include loading conditions sufficient to cover normal operating roles. The completed Trim and Stability Book is to be submitted to the Regulatory Authorities for approval.

116. Drawings

On completion, two sets of soft copies in AUTOCAD on CD ROM of the following as fitted drawings to be given with the vessel in addition to three (3) sets of paper prints.

1) General Arrangement



2) Hydrostatic Curves 3) Cross Curves 4) Stability Booklet 5) Dimensional Profile 6) Anodes plan 7) Docking Plan 8) Drain plugs drawing 9) Tank Calibration 10) Structural Profile & Deck 11) Midship Section 12) Cargo rail and Bulwark 13) Structure in way of crane 14) Engine Seating Detail 15) Plummer block drawings 16) Forward Sections 17) Aft Sections 18) Typical sections 19) All transverse and Longitudinal Bulkheads 20) Shell Expansion 21) Superstructure Detail 22) ‘A’ Bracket details 23) Shafting Arrangement 24) Rudder Arrangement 25) Rudder stock & Rudder drawing 26) Drawing of Skeg 27) Bilge keel drawing 28) Deck outfit plan 29) Anchoring and mooring arrangement plan 30) Seachest arrangements 31) Engine Room Layout 32) Thruster Tunnel Detail 33) Bilge, Ballast & Firemain System 34) Ship’s Fuel and Lube oil System 35) Engine Cooling 36) Starting air system 37) Service air system 38) Exhaust system & funnel 39) AC and Ventilation system 40) Cool & Cold room arrangements 41) Refrigeration system 42) Cooling system for AC & Refrigeration system 43) STP system 44) Domestic FW (Hot, Cold) & Sanitary System 45) Position and details of Tank Vent, Sounding & Filling Pipes 46) Oily Water filter and overboard system 47) Schematic Wiring Diagram and Reference to Fittings 48) As fitted Cable try & wiring drawing for power, lighting, communication, control

cables etc. 49) Shaft generator arrangement



50) Main Switchboard Wiring & Short Circuit Calculations etc. 51) 24V DC Radio battery Charging Panel & 24V DC Switchboard 52) Ventilation Arrangement 53) LSA Plan 54) Cargo securing manual 55) Garbage management plan 56) Fire safety operation booklet (FSOB) (to be prepared by owner) 57) Approved SOPEP (to be prepared by owner) 58) Training manual for LSA &FFA eqpt. (to be prepared by owner) 59) Well killing liquid system 60) Dispersant system 61) FO cargo system 62) FW cargo system 63) External FI-FI system 64) Lay out of manholes and hatches 65) Lay out of doors 66) Lay out of ladders 67) Lay out of windows and port holes 68) Penetration fittings drawing 69) Mast drawing 70) Three sets of all equipment instruction manual, spare parts catalogue etc. in English

to be obtained from the supplier and delivered along with the vessel. Soft copies of instruction manuals to be also supplied on CD, as available from makers.

117. Framed Plans

Following drawings/plans shall be framed and mounted at appropriate places on the vessel :

a) General Arrangement b) Capacity Plan c) Life Saving Arrangement plan d) Fire Fighting arrangements plan e) Bilge and Ballast plan f) Fuel and Lube oil system g) Turning circle and Willamson Turn h) Stopping distances

118. Delivery Delivery of the vessel is to be taken afloat adjacent to the builder’s yard at a safe berth. Builders shall ensure that all machinery, equipment, piping, bilges, coolers and tanks are cleaned and preserved/ painted till delivery to and acceptance by owners.

M/E and auxiliary machinery and propeller units shall be protected between shop trials and sea trials by a method of inhibiting corrosion approved by manufacturers.

A joint acceptance survey shall be conducted after successful completion of trials 3

days prior to the delivery date. The builders shall have completed rectification of all defects, the vessel thoroughly cleaned and ready for service.



119. Manuals of Machinery & Equipment Three (3) sets of manuals for all machinery and equipment in the English language are to be supplied by the builders. Comprehensive set of colour photographs showing systematically the progress in construction of the vessel from keel laying until trial completion shall be supplied to the owner from time to time. 2 copies of the completed vessel of size 10R and properly framed shall be provided.

120. Spare Gear & Tools

Builder is to provide spare parts and tools as per Manufacturer standard and to Classification requirement. Additional spares are to be offered for owners purchase. All special tools shall be mounted on bulkheads / panels adjacent to the machinery where they are generally used. All spears shall be packed in lockable wooden boxes and stored in suitable places.

121. Practice

Any modifications or changes required by Classification Society and Government Authority, prevailing on the date of finalisation of contract / keel laying date but not mentioned in the specification shall be modified and installed at no extra cost to the Owner. Requirements arising out of changes coming into effect after the signing of the contract / Keel laying date shall be treated as modification at additional cost.

122. Modification If for any reason the Owner would wish to change brand of equipments, components

and materials, etc, outside the agreed maker’s list, both parties are to mutually agree first and any differences in prices, if any, are to be adjusted in the contract price, in accordance with the terms and conditions of the contract.



SECTION 2- STRUCTURAL SPECIFICATION 200. General

The steel hull and deckhouse are to be of all welded construction. The scantlings of all members shall be as per the classification requirement. However 1mm extra thickness to be provided for bottom, sides, W/T bulkheads and exposed decks. This extra thickness shall be clearly marked on all drawings and shall be stated in the drawing approvals. Lofting of the hull shall be thoroughly checked by the builders and inspected by the owner’s representative before templates are taken for construction. All workmanship shall be executed by “qualified” and skillful workmen under regular supervision. No opening shall be made in any stress member for penetration of pipes, cable or other purpose unless approved by class with compensation if necessary. All openings cut in shell deck or other members shall be regular in outline with well rounded corners. In way of openings for hawse pipes, propeller openings, sea chests and other openings, heavy insert plates shall be fitted.

201. Keel

A plate keel 12mm thick is to be fitted, connected throughout the length to the centre girder. It is to be tapered at the forward end to the stem bar or plate and is to be continued up to the aft end. This extra thickness shall be clearly marked on all drawings and shall be stated in the drawing approvals.

202. Stem

The stem is to be formed by a mild steel bar or by a formed radiused plate suitably stiffened by webs and breast hooks as per the design. If possible, the vessel shall have bulbous bow.

203. Skeg A double plate box shaped Skeg is to be fitted on the centreline aft and set forward of the propellers. Provision is to be made to ensure internal drainage to the docking plugs. Upon completion the Skeg is to be filled with bitumen solution or equivalent and

drained. 204. Bottom & Shell Construction

The bottom is to have double bottom tanks in way of the crew’s quarters and the engine room. The vessel is to be double skinned to the extent possible and must have wing tanks (double skin) and double bottom in way of engine room, B/T compartment etc. Doors to void spaces / escapes at ER wings shall be watertight type,

205. Shaft Brackets

Two shaft brackets are to be fitted each to support a propeller. Propeller shaft brackets are to be of the "Y" type, made of fabricated mild steel construction, upper part to support shaft aft bossing and lower part to protect propellers.



206. Rudders & Rudder Trunks Two(2) semi balanced rudders with wire protection type bottom pintles are to be fitted each with an approved area. The rudders are to be watertight streamlined, double plate type, fabricated of mild steel, with internal horizontal plate frames. Suitable lifting arrangements are to be incorporated; filling and drain plugs are to be fitted. The plate frames to have limber holes to ensure internal drainage. After testing, the rudders are to be filled with bituminous or equivalent solution and drained. A lifting eye and a jumping collar are to be fitted to each rudderstock. The rudderstock is to be of forged steel. The rudder trunk is to be tubular steel, with a heavy top plate to take the steering gear and house the watertight gland. A heavy steel boss to be incorporated at the lower end of the trunk and fitted with approved type bearing. The bearing and stock to be designed to take the full side load of the rudder. The rudder bearing is to be water lubricated. Both rudders shall be powered independently by twin hydraulic motors and must be capable of independent operation with integrated joystick (Kongsberg or similar make) which shall control the propellers, thrusters and rudders in proportion using single control. One hydraulic motor of each rudder shall be supplied from emergency switchboard.

207. Cargo Rails Cargo rails made of 8" N.B., Sch. 40 pipes are to be fitted longitudinally along the main deck for the stowage of pipes, etc. on main deck - P&S. 6 nos. of “old man” fairleads and 20 nos. of 5T lashing lugs are to be fitted to permit safe and efficient handling and securing of wire-line equipment items and other cargo.

208. Manholes

All manholes are to be of elongated shape with stainless steel studs and nuts. In way of accommodation, they are to be of recessed type with flush wooden covers to match deck level. In engine room and main deck, they are to be "raised" type.

209. Draft Marks Draft marks are to be in metric on P+S at forward, aft and amidships as per the relevant regulations. 210. Bilge Keels

One (1) bilge keel each on P&S, made of 300 x 12 plate with 25mm dia. Round bar is to be fitted on the bilge strake between the chines on doublers.

211. Fenders

Half round metallic pipe fenders to be provided at the deck level, raised deck level (if any) and at the foxle deck level on P+S. Raked half round pipe fender to be provided between the deck line fenders and the lower fender. The ends to be well tapered. W-type rubber fenders are to be provided at the bow and cylindrical rubber fender at stern. The securing arrangement is to be approved by the owners. Tubular fenders of minimum 600MM outer diameter and 300MM inner diameter are to be secured to shipside throughout the parallel body. Each fender shall be 6 meters long and secured by chains and shackles to the eye pads on main deck. The chains shall be put



through thick rubber hoses which shall pass in the recessed part of the tubular fenders. The chain support shall be provided at each one meter length of the tubular fender. Adequate number of used aircraft tyres shall be installed above the pipe fenders, on the ship sides forward of parallel body, such that the tyre fenders will be touching each other. Securing of tyres shall be done to four points (lugs) using chains and shackles.

212. Watertight/Oiltight Bulkheads

The WT/OT bulkheads are to be plated horizontally. Stiffeners to be spaced to suit deck longitudinal and bottom structure (also to meet the class requirements) with bracket at each end. Bolted access manholes with gasket to be fitted to each tank space to Classification requirements.

213. W/T Doors & Hatches

Hand operated watertight doors with clear opening of 1400mm high by 650mm wide are to be provided as necessary. They are to be capable of local control, from each side of the bulkhead. Watertight hatches are to be fitted on the main deck between bulwark and cargo rail and one on fore deck. All coamings are to be as per Loadline Regulations. Lids to be capable of being opened and closed from inside and outside. The hatches to be provided with counter weight (for out side ones) and tension springs (for the inboard ones) to facilitate easy opening.

Watertight door and hatches to be fabricated to Yard's standard design. 214. Main Deck

The deck plating aft of the superstructure is to be 10mm minimum thick and to take uniformly distributed load of 5tonnes/M2. The deck shall be strengthened to 10 T/M2 from stern to 15 meters inboard(forward of stern) The deck plating is to be welded direct to the shell. One bolted, portable, flush type hatch about 1.5M x 1M size to be provided above the engine room for handling of large spare parts. The cargo deck, inside the line of the cargo rails, to be covered with 50mm thick hardwood laid fore and aft. The timber to be retained by steel bars spaced approximately 2400mm apart.

215. Forecastle Deck

Forecastle deck to have increased scantlings in way of deck machinery. Exposed deck plating to be 1mm more than classification requirement.

216. Deck House & Minor BHD

Scantlings to Classification requirements. Deckhouses to be welded direct to deck. Steel minor bulkheads to be fitted around following accommodation compartments:

- Toilets - Laundry - Galley - AHU room - Stores - Freezer and cool rooms



217. Bulwarks Bulwarks at main deck level to be 1 M high extending from corners of transom to aft of forecastle, set in 75mm from shell side. Plating to be 9 mm thick with 100 NB sch.80 pipe on top. Bulwark stays welded direct to deck. Freeing ports to be arranged in main deck bulwarks with area to Classification requirements. All transitions in the bulwark top are to be made as smooth as possible to avoid snagging the towline. One opening each of 1.5 m wide is to be provided on the P&S side bulwarks. The are to be suitably protected using portable wooden storm boards. Upper forecastle bulwark rail bar to be 100 NB sch.80 pipe. Freeing ports to be cut in upper forecastle bulwarks, as required. Doubling plates to be fitted under bulwark stanchion feet and in way of mooring pipes, etc. Cast steel mooring chocks to be fitted on the bulwark at the appropriate locations for passing the mooring ropes..

218. Funnels

Twin funnel uptakes to be arranged to accommodate the exhausts and to serve as engine room hot air exhaust. External spark arresters shall be provided on all exhausts. Any diesel engine driven machinery, installed on open deck, shall be provided with Chalwyn valves to ensure positive shutdown in the event of over speeding due to presence of combustive gases in the environment.

219. Masts

The main mast is to be fitted with brackets for the navigation lights. Suitable stays to be provided to make the mast sturdy. Dispensation for distance between the forward and aft mast is to be arranged by the owners. Small portable tubular pole mast to be arranged at stern bulwark for ensign. Masts to have rungs with protective guard carried to the top, arranged for access to light trays and necessary fittings. Blocks for aerials, yard arms and ensign staff to be fitted and sheaves for signal flags and shape hoists to be arranged on masts, as required.

220. Rails & Stanchions

To be fitted around wheelhouse top, bridge deck, forecastle deck and elsewhere as necessary. To be fitted to ladder ways and round ladder way landings. Top rails to be 32mm galvanised pipe, middle and bottom rails to be 19mm diameter solid rod. Stanchions to be 65mm x 9mm flat bar, spaced approximately 1800mm and welded to deck. Storm rails of 32mm diameter (stainless steel or plastic covered pipe) shall be provided inside the accommodation spaces. Handgrips to be fitted in way of W.C.'s and showers and where required in way of manholes and vertical ladders.

221. Chain Lockers & Pipes

Two(2) chain lockers are to be constructed to the forward of the collision bulkhead. The capacity of each locker is to be sufficient to stow specified length of chain cables. The



cables to be self-stowing. The lockers to be formed by steel bulkheads, with solid half round or inverted angle stiffeners. The floor of the locker is to be perforated steel plate made portable. Bitter-ends to be fitted for securing the cable ends. Foot holes are to be cut in the centre division adjacent to the access opening which is to be fitted with a watertight manhole cover. Chain pipes and hawse pipes to be of welded steel construction designed to give easy stowage of the anchors and cables. A permanent flushing arrangement to be provided in the hawse pipes for cleaning the anchor cables.

222. Seatings

Main engine, gear box and auxiliary engine seatings are to be built by the Shipbuilders but are to be submitted to Owners and engine builders for their approval. Suitable chock fast resin, holding down bolts and/or fitted bolts are to be provided and carefully fitted as required for all items of machinery.

223. Material Thickness Tolerance The tolerance allowed on material thickness is + 0.5mm

224. Lifting Points Lifting points or rails are to be provided over heavy machinery, mainly the following:

Main engines, Gear boxes, Fire pumps, propulsion units and diesel alternators. Lifting equipment is load tested after installation and permanently marked with the S.W.L. Test certificates of the proof load from classification society to be provided.

225. Tanks

All tanks to be constructed of steel plate, double continuous welds in SW tanks, sewage tanks, or any other tank intended to contain corrosive liquids and stiffened to class requirements. In way of manholes on both sides handgrips and steps (rungs) are to be fitted as necessary. Venting pipes, filling pipes, sounding pipes drain plugs, suction lines, baffles and inspection covers shall be fitted to all tanks. Striker plates are to be provided below the sounding pipes and doubler plates of larger diameter are to be provided below the bell mouths. Suitable bolted ladders are to be provided wherever necessary. All tanks shall be pressure tested, thoroughly cleaned and inspected by owner’s representatives before closing of manholes. Reliable calibrated tank content gauges to be fitted for monitoring of FW & FO tank content.



SECTION 3 - ACCOMMODATION & OTHER COMPARTMENTS. 300. General

The accommodation is to be arranged & fitted out in accordance with best shipbuilding practice. Generally within the accommodation area, a clear height of at least 1.98m is to be achieved in the various spaces. It shall be fully air conditioned with such installed capacity as to ensure that room temperature does not exceed 22C even during the extreme ambient conditions prevailing in the summer months (upto 50C). Scheme of decoration together with colour scheme and samples of all decorative materials and finishes such as furnishing fabrics, plastic laminates, deck covering, paints etc. are to be submitted to the owners for approval prior to purchase. No asbestos is to be used in any area of the vessel.

All fixed and loose furniture, mattresses for bunks and PVC covered settees / chairs are to be of good quality and supplied and fitted by the builder. All kit lockers in accommodation to be full height lockable and in wood for crew’s personal effects & clothing. All internal doors to be plastic laminate faced, hung on brass hinges and fitted with satin-chromed door fittings with louvers at the bottom for return air ventilation. All furnishings to be fire resistant. Upholstery of all chair / settee in mess / recreation room / offices are to be of leather finish Rexin.

Interior and exterior doors are to have locks. For each lock, keys are to be supplied, with room identification engraved.

- Cylinder lock key system. Each of the doors to the cabins and operational spaces are to have 3 keys. Double berth cabins 4 keys. Master key suitable for all these lock to be provided.

- All steel doors and forward store hatch to have padlock latches with padlocks and 2

keys supplied. Escape hatches to have internal locking arrangements. All fixtures and fittings are to be from a quality supplier approved by owners before installation. All hardware to be of brass.

Allocation of Cabins Status No. of Bunks No. of Cabins No. of Men

Charterer 1 2 2 Charterer 2 2 4 Charterer 4 7 28 Captain, Chief Engineer, 1 2 2

Chief officer & 2nd Engineer 1 3 3 Two men cabins 2 4 8 Hospital 1 1 1

Total Complement 48

Name Plates & Notice Boards All cabins, rooms, workspaces etc are to be identified by plastic nameplates over doors. All such name plates to indicate name of compartment.



Notice boards and nameplates as requested by Classification and authority regulations are to be provided. Shipbuilder's nameplate Labels to be supplied for all keys. All tags to be marked for space and numbered. Valve nameplates to be bolted to valve wheels. Air, sounding pipe filling and discharge pipes to have nameplate.

301. Wheelhouse

The wheelhouse is to be located on wheelhouse deck and to be fitted with all navigation, communication and control equipment as specified elsewhere. Wheelhouse windows are to be arranged to give maximum visibility all round and above. (Refer to section 323 on windows) One (1) 350 mm diameter heavy duty clear view screen to be fitted in window forward and one (1) in aft window. Six (6) off windscreen wipers (four (4) aft and two (2) forward) to be provided. Fresh water washing to be provided at windscreen wipers. Hinged, weather tight doors to be fitted each side of wheelhouse giving access to open bridge deck. Doors to be fitted with fixed windows. Airtight inner doors shall be fitted about 1000mm inboard of the outer weather tight steel doors located in the boundary of wheelhouse. The inner doors shall have large glass window for external view. The wheelhouse to have combined steering and engine manoeuvring consoles fitted across the bridge, forward and aft. The magnetic compass is to be located above the forward steering position. In addition to navigational and electric equipment, the following items to be supplied and fitted in the wheelhouse:- - Flag lockers for one complete set of International signal flags - Binocular box forward and aft (2 off) - Storm rails all round

- Chart table with drawers under with retaining edge and the chronometer chest incorporated. Chart table to be provided with save-all and slit on tabletop edge for the charts. - One chart table lamp with dimmer - Radio table with drawers under - One radio table lamp with dimmer - Radio operator's clock - Two Helmsman chairs with arm rest, upholstered, adjustable in height and with footrest, and keep lanyard - Bookshelf and racks - Steel filing cabinets - Upholstered settee, hat pegs and coat hooks For navigational equipment, see separate clause. The forward & aft consoles in the wheelhouse to be fitted with: - ME controls - ME and / or shaft tachometers, water & lube oil temp, pressure gauges etc. to

maker’s standard & class requirement. - Alarms for main engines - Rudder indicators - Steering controls & indicators



- Bow thruster controls, indicators & alarms - Integrated joystick controls for propulsion & maneuvering, bow thursyers,

rudders (at aft console only) - Manual & Joystick selector switch for propulsion, BT & steering (aft console

only) - Horn button - Muster alarm - Joystick control for search lights - PA system - VHF - Gyro/repeater, echo sounder/repeater, speed log/repeater - GPS/DGPS - Radar repeater – Aft console also - Gyro repeater – Aft console also The equipment & devices installed on the aft console or aft region should be suitable for operating the vessel facing aft.

302. Captain’s Cabin & Toilet The master’s cabin is to be situated forward of forecastle deck and fitted out as follows: Prefabricated toilets of reputed make (BIP Accommodation systems, Korea or similar) are to be used for all the en-suite toilet facilities 1 2000 900 built-in berth with drawers under and bunk light 1 desk with drawers and light 1 built-in upholstered settees c/w coffee table, ash tray 1 built-in wardrobe c/w shelf, hanger rod and hooks with lifejackets stowage on

top. 1 upholstered chair 3 Hat & coat hooks 2 350mm diameter portlights c/w deadlight covers and curtain 1 keyboard 2 spare power points 240/1/50 1 battery clock 1 book case 1 4-drawer steel filing cabinet 1 Small built in domestic refrigerator 1 One small safe (In Captains cabin only) 1 washbasin (hot and cold water) 1 toilet paper holder 1 towel hook 1 tumbler rack 1 water closet and grab rail 1 shower with plastic curtains on rail, hot and cold water 1 waste bin 1 common extractor fan 1 spare power point, 240/1/50 1 Television set complete with DVD player. This TV shall be connected to satellite

TV system having suitable decoders. All electrical fixtures and fittings to be international supplier, spares are to be available in Qatar. Sockets are to be of British Standard, suitable for Qatar.



303. Chief Engineer’s Cabin & Toilet The Chief Engineer's accommodation is to be arranged at the fore end of the upper forecastle deckhouse on the port side, and is to be fitted out as per Captain's cabin.

304. Charterer’s Cabin & Toilet

The accommodation for Charterer's Representative is to be arranged and be fitted out generally as per captain’s cabin.

305. One Man Cabins

Each fitted with the following: - 1 built in berth, with drawers under - 1 full-length wardrobe - 1 built in settee - 1 kneehole desk with drawers - 1 desk chair - 1 book case - 1 ashtray, table type - 1 clock - 1 – 350 mm diameter opening port lights with dead lights and curtain - 1 - toilet cabinet with mirror - 1 - towel hooks - 1 - tumbler holders - 2 - hat and coat hooks - 1 - waste bin - 1 – wash basin - 1 – toilet paper holder - 1 – water closet and grab rail - 1 – shower with plastic curtain

306. Two Men Cabins

Two (2) cabins are to be arranged and fitted out with the following: 1 - built in wooden double berth with plywood base and drawer under with locks 2 – full height wardrobes 1 - table 2 - chairs 1 - settee (in three cabins only) 1 - book rack 1 - double toilet cabinet with mirror 2 - towel hooks 2 - tumbler holders 2 - hat and coat hooks 1 - ashtray, table type 2 - sets berth curtain rails 1 - waste bin 1 – wash basin 1 – toilet paper holder 1 – water closet and grab rail



1 – shower with plastic curtain 307. Four Men Cabins

Cabin to be arranged and fitted with the following: 2 - built-in two-tier wooden berths with plywood bases and drawers under lower tier 4 – full height wardrobes 1 - book rack 2 - ashtrays, table type 4 - sets berth curtain rails 1 - waste bin 1 - table 1 - chair 1 – settee 2 – double toilet cabinet with mirror 4 – towel hooks 4 – tumbler holder 4 – hat and coat hooks 1 – wash basin 1 – toilet paper holder 1 – water closet and grab rail 1 – shower with plastic curtain

308. Hospital/Treatment Room

Vessel to be equipped with Hospital /treatment room. This should contain the following: Examination Table Bathing tub, shower and Washbasin with hot & cold water supplies Direct entrance from the main deck Medicine locker with medicines (as per attached list) 100 L lockable refrigerator. Two (2) oxygen resuscitators with two spare cylinders (owners to advice make) One bunk same size as the two men cabin VHF radio

309. Mess cum Recreation Rooms One mess cum recreation room for the crew to be fitted out as follows:

2 - tables with plastic tops, fiddles, etc. 12 - chairs 1 - settees, built in with stowage under 1 - sideboard with cupboards, drawers and tumbler rack fitted. 4 - ashtrays, table type 1 - clock 6 - hat and coat hook racks 1 - toaster (domestic type) 1 - book rack 1 - serving hatch to galley 1- Microwave 1- Colour television – Sony or similar - be installed on top of a cabinet. This TV shall be

connected to satellite TV system having suitable decoders.



1- DVD player – Sony or similar -to be installed on top of a cabinet. This TV shall be connected to satellite TV system having suitable decoders.

1- Combo type music system of SONY or similar – to be installed on top of a cabinet 1- Water cooler (water through UV filter) 1- One double door refrigerator of 200 L capacity 1- 5 Ltr bowl Hot water boiler, wall mounted and hard plumbed to water supply

(electrolux or similar). 1- Cupboard with counter tops arranged below the serving window from galley and

extending from the one bulkhead to another. 1 - Bain Merry having four trays for keeping the food warm.

Sufficient extra power sockets. One mess room for passengers to be fitted out as follows:

2 – tables with plastic tops, fiddles, etc 12 – chairs 1 – sideboard 4 - ashtrays 1 - clock 6 – hat and coat hook racks 1 – One double door refrigerator of 200 litres capacity. 1 – cold water dispenser (water through UV filter) 1- Microwave 1- 5 ltr Hot water boiler, wall mounted and hard plumbed to water supply (Electrolux or

similar). 1 - toaster (domestic type) 1- Cupboard with counter tops arranged below the serving window from galley and

extending from the one bulkhead to another. 1- Bain Merry having four trays for keeping the food warm. Sufficient extra power sockets. A separate recreation room to be provided for the passengers with following facilities.

1- 20” flat screen Colour television – Sony or similar – To be installed on top of a cabinet. This TV shall be connected to satellite TV system having suitable decoders.

1- DVD player – Sony or similar – To be installed in suitable cabinet 1- Combo type music system of SONY or similar – To be installed in suitable cabinet 2- Settees 8- chairs with armrest, soft seats and backrest. 2- Card table 2- Coffee tables arranged near the settees 2- Book racks Sufficient extra power sockets.

310. Prayer Room Muslim Prayer room of suitable dimensions, to allow 10 persons to pray simultaneously, to be provided on main deck or above in quieter surroundings.



311. Galley To be arranged suitably and to be fitted with the following:- 1 - Thermostatically controlled electric range with oven and 4 hot plates on top, with

mechanical exhaust canopy over and retainer bars, thermostats, adjustable timer clocks, bread and cake moulds.

1 - stainless steel double deep sink. Drainer, shelves and lockers under. Hot and cold water.

1 - dresser with cupboards and drawers under and plate rack over 1 - side board 1 - pan rack 1 - waste food macerator (fitted to sink) 1 - garbage bin with lid and attachment 1- grease trap 2 - serving windows to mess rooms for crew and passengers 1 - domestic refrigerator of about 340 litres capacity 1 - food mixer, electric 1 - mincer, electric 1 - meat chopping block 6 - spare power points 240/1/50 4- racks for keeping plates, glasses, cups. Etc 1- Bone crusher complete with water washing

All electric sockets are to be of watertight type.

312. Laundry & Drying room / Wash place The following equipment to be provided: 1 - stainless steel washbasin with taps for hot and cold fresh water supply. 3 - washing machine (Industrial type - Electrolux or similar) 3 - dryer unit (Industrial type - Electrolux or similar) 2 - bulkhead mounted ironing board with iron and roller steam press. 20 - hooks to hang washing line 1 – wash basin with toilet cabinet/mirror 1 – tumbler rack 1 – water closet and grab rail (on main deck under ladder)

1 – shower with plastic curtains and towel hooks (on main deck under ladder) 1 - spare power points, 240/1/50

All electrical fixtures and fittings to be of watertight type. 312 A. Deck toilet – A water closet complete with 2x urinals and usual accessories found in a water closet shall be provided with access from the main deck. 313. Provision & refrigerated Stores

A dry provision store of about15M3 or sufficient for the compliment and endurance is to be arranged near to the galley and fitted with removable galvanised steel shelves with portable retaining battens. Vessel to have following walk in type refrigerated stores spaces as follows: - Deep-freezer for ship's use - 15 M3 approx. - Cool room for ship's use - 15 M3 approx.



314. Store Spaces The forward store incorporated with the chain lockers are to be situated forward of the collision bulkhead on main deck and fitted out with suitable shelves and portable retaining bars. The access to this space is to be through a hatch from the deck above. Two cargo nets of size 3m x 3m are to be supplied. Suitable Oilskin and linen stores are to be provided. 1x change room with wash basin, lockers, coat hooks / hangers is also to be provided for 25 persons. This change room shall have access from the main deck. One paint store with forced ventilation using explosion proof fan and water deluge arrangement to be provided.

One CO2 room is to be provided to install CO2 bottles. Force exhaust to be arranged for this compartment.

315. Engineer’s Store To be arranged in steering gear compartment. One spare parts store, measuring 27m3 (3x3x 3) is to is to be located in the engine room. This store shall be air conditioned by a split AC unit.

316. Offices (3 numbers)

Two (2) offices shall be provided for the use of charterers and one (1) ship’s office. Each office shall have an area of about 5.6m2 and fitted with 1 - desk 1 - writing lamp 5 - chairs 1 - computer table 2 x 4 drawer filing cabinets 1 - small refrigerator 4 - power points 2 – waste bins One of the charterer’s office to be fitted out with one fixed VHF programmable to QP channels, Telephone, Fax, e-mail facility through SATCOM.

317. Tool Cabin

Vessel shall have a “Tool Cabin” which has a length of at least 3.6m., a width of at least 1.8m and height of at least 2.1m. after lining. The “Tool Cabin” shall be well equipped with suitable shelves, racks & drawers for storing tools. It shall be fitted with a workbench with a large vice with 15cm (6”) jaws. The “Tool Cabin” shall be air conditioned and provided with good interior lighting, power supplies & compressed air.

318. Workshop

Vessel shall be fitted with suitably sized workshop for servicing & maintaining Wireline tools. The work shop to have a minimum size of 3.0m x 1.8m x 2.1m. This shall be equipped with wooden topped bench, which is fitted with a large vice with 15 cm (6”) jaws, 20cm (8”) power grinder & power vertical drill press machine. The workshop shall also fitted with additional shelves, racks and chests of drawers for storing accessories & tools. It shall be air-conditioned and provided with good interior lighting, power supplies & compressed air. The minimum size of the compartment to be 3m x 1.8m x 2.1m.



319. Instrument Store The vessel shall be fitted with an “Instrument Storeroom” which shall have a length of at least 3.0m, a width of at least 1.8m & a height of at least 2.1m after lining. The “Instrument Storeroom” shall be well equipped with suitable shelves, drawers & racks for storing “Amerada” gauges & “Precision” gauges in a vertical position & for storing at least 12 nos 1.8m (6 foot) long, 3.2cm (1.75”) diameter gauges. The “Instrument Storeroom” shall also be air-conditioned and provided with good lighting, power supplies & compressed air.

320. Engine Room

The engine room is to house all machinery and equipment at convenient locations described elsewhere. Steel chequered plates are to be used for flooring secured with Brass / SS screws to steel bearers and fitted with handrails as necessary. All moving parts to be provided with guards or rails or both. Portable handrails to be provided in strategic positions for protection of crew’s safety. Rubber mats to be placed in front of the switchboard. A workbench with 5” vice, bench grinder and power drill to be fitted at suitable location. Two (2), dual speed axial flow fans of sufficient capacity to supply Main engines at 100 % and generators in full load. Airflow to allow avg. temperature + 10 % ambient. One sound powered telephone to be fitted. Marine clock and clinometer to be suitably positioned.

320.A Exposed Deck

All nuts/bolts/screws/studs/clamps/fittings used on exposed decks shall be of non-rusting materials.

321. Bow Thruster Compartment

This compartment is to be fitted out with bow thruster equipment, local controls, sound powered telephone meeting the classification requirement. Bilge alarm to be provided. An access hatch, from the open deck, is to provided for removal of electric motor.

Arrangement must also be provided for storage of spare parts boxes in this compartment.

322. Engine Control Room

Engine Control Room shall be installed with all necessary controls and equipment required by class and owners. The control room should be provided with good air-conditioning arrangement and a clear view of the engine room. A lockable cupboard for keeping one set of instruction books and drawings etc shall be provided in the control room.

323. Windows and Side lights

General All windows and portholes shall have mild steel casings welded to the bulkheads and glass frames of brass or aluminum. Bolts and screws shall be of non-rusting material. Windows shall in general be fitted with tempered clear glass.



Portholes All portholes on main deck are to be fitted with deadlights. Portholes in toilets are to have opaque glass. Porthole frames shall be spigoted through the shell sufficiently for welding and a welded eyebrow shall be fitted above. Fixed portholes with armoured glass / deadlights shall be provided in all weather tight external doors to accommodation. Accommodation windows Windows in way of the accommodation (minimum one for each cabin) are to be glazed with an approx. 500 mm high x 400 mm wide opening. They are to be of fixed type, unless required by class to be of open type for use as emergency escapes. Wheelhouse windows Wheelhouse windows are to be of the largest possible size to give maximum visibility; this applies particularly to the forward and aft windows which are to be extended low enough to allow a good view of the deck working areas and the rescue zone. Wheelhouse windows, one fwd and one aft, shall be of anti-mist (electrically heated). All windows are to be of fixed type. The front and aft windows are to be installed sloping outwards going up. Above the main windows inward sloping top windows shall be arranged one at fwd, aft, and each side. One of the front windows and one of the rear windows shall be provided with the clear view screen. Four straight heavy-duty marine wipers shall be arranged for two windows each in the fwd & aft. A strong downwards freshwater spray system shall be fitted all around the wheelhouse windows. Roller sun screens shall be provided for the wheelhouse windows, except the overhead windows.

324. Steel Doors All external doors on the main and forecastle deck to be of steel with coaming heights according to the Loadline requirement. Six dogs workable from both sides are to be fitted with clips and grease fittings. The doors to be channel-framed tightened to gaskets of neoprene or similar. Fixed port holes with armored glass and dead light to be provided on all the weather tight doors to the accommodation. Doors to be fitted with sturdy padlocks and holdback arrangement to retain them in open positions, and capable of being opened from either side. Eyebrows to be fitted over weather doors where there is no deck overhang.

325. Stern Quarter Platforms

Vessel shall be equipped with 2 platforms for safe and easy transfer of passengers to wellhead jackets and other Offshore Locations boat landing platforms. Each platform shall be about 1.5m x 1.5m square and one each shall be located at each quarter. The platforms shall be constructed inboard of the vessel bulwarks with its deck in line with the top of bulwark. Each platform shall have an access stairway from the Main deck & shall have hand railings.



326. Ladders & Gangways

Vessel shall be equipped with 2 easily portable, rigid over side boarding ladders, which are suitable for assisting divers to board the vessel from the sea. These ladders shall be standard diver’s ladders fitted with mounting arrangements, which ensure that rungs and handholds do not touch the Hull plating. Vessel shall be equipped with suitable aluminium Gangway which is at least 6m long and is fitted with a roller on the underside at one end and hardwood on the underside for the final 1.0m length at the opposite end. This gangway shall be fitted with 4 lifting eyes for slinging by crane it shall also be fitted with side rails or plentiful side stanchions for manropes. The vessel shall be equipped with second gangway of at least 4.0m length with side rails (or stanchions) & manropes. This is normally to be used in conjunction with safety net to provide safe access, when Vessel berthed alongside. Mast ladders to consist of mild steel rungs welded to side of masts lower structure with handgrips and dog steps up tubular topmasts. All external ladders to have angle bar runner and raised pattern plate steps. To be fitted with galvanised pipe handrails in conformity with adjacent handrails. Ladders to be fitted under access manholes to tanks, peaks and all other compartment where required.

All stairways, strings and treads to be of steel construction with chequered plate treads. Stairs should be sufficiently broad at least 850 mm and not to have steep gradient.

Access to wheelhouse top to be via external vertical ladder welded to the bulkhead. 327. Minor Bulkheads & Lining

In way of pipelines and ducts the deck head and bulkhead linings are to be made removable where required. Where ceilings and bulkheads form an outside boundary they are to be suitably insulated and lined with non-combustible plastic laminated material of marine quality. Alleyways: Ceilings: Fire retardant material, thickness about 9mm with plastic facing. Bulkheads: Steel bulkheads are to remain bare steel painted in a light colour Division bulkheads between cabins and alleyways are to consist of fire retardant material lined with plastic on both sides. Grab rails are to be of satin finished stainless steel or steel coated with plastic. Cabins, Operational Rooms, Mess room: Ceilings: Non-combustible panel about 9mm thick with plastic lining both sides trimmed with binding strips Bulkhead: Divisional bulkheads as well as internal linings of weather-exposed bulkheads are to be of fire retardant materials, about 20mm thick, lined with plastic on both sides. Steel bulkheads to be lined about 9mm thick. Sanitary Spaces: Ceiling: Non-Combustible panel about 9mm thick with plastic lining both sides trimmed with binding strips. Bulkheads: Steel, painted in a light colour



Galley Service Spaces:- Deck heads: Non-combustible panel about 9mm thick with plastic lining both sides trimmed with binding strips Bulkheads: Steel bulkheads are not to be lined but painted in a light colour

328. Thermal, Acoustic & Fire Insulation Insulation:- The insulation slabs (Rockwool or similar) are to be fixed in place with adhesive and secured with wire cleats. The insulation is to be considered in conjunction with the capacities of the air-conditioning plant. Thermal Insulation:- The following surfaces are to be insulated: Weather-exposed walls of air-conditioned rooms. Weather-exposed walls of the wheelhouse. Deck heads of all domestic and catering spaces where such deck heads are located under weather-exposed decks or under storerooms situated on deck. Deck head of the wheelhouse Acoustic Insulation:- Generally noise levels to be in accordance with relevant IMO resolution and consistent with good marine practice. Particular attention must be paid to sound insulation of private areas from public and machinery spaces.

329. Deck Coverings

In accommodation the steel deck to be cleaned and to have deck composition with about 2mm vinyl tiles/mat laid throughout cabins, mess room and wheelhouse and coved at sides and around furniture. Floors in storerooms and in accommodation passageway to be painted non-skid deck paint. Cold rooms to be non-skid ribbed ceramic tiles or mosaic. Provision store to have wooden gratings. The deck in galley to be fitted with steel clips and then cement. Flooring to be ceramic tiles or equal non-slip tiling. Wash places, showers and W.C.'s and laundry have initial treatment as for galleys. Laid with mosaic tiles. All tiling to be well sloped to ensure complete drainage.

330. Carpenter’s Work & Furniture

All external doors are to be in steel complimented with wooden doors opening inwardly except in wheelhouse which shall open outward. All inner doors in the alleyway and the wheel house shall have large windows for the external view.These internal doors to be self-closing type provided with rubber stoppers and holdback hooks to retain the doors in open position. Hardware to be of brass or chrome. Hinged internal doors with large windows in wheelhouse. Store rooms to be provided with shelves having retaining bars. Wooden grating in store rooms for hawsers and wraps. Arrangement of shelves, etc. to be sufficient for the intent of each storeroom. Furniture to be of marine plywood faced with hardwood veneer or with plastic laminate. Berths to be of wood and officers berths to have wooden leeboards. Sizes of berths to be approximately 2000mm x 900mm. Settees to be PVC upholstered with good quality foam



on seats. Settee backs to be PVC upholstered with 75mm thick foam. Chairs to be fitted with arms. Wardrobes to be about 500mm square internally, built of plastic faced plywood matching the room interior and to include a hat shelf, hanging rod and shoe rail. To be ventilated top and bottom with life jacket stowage above. Dining tables to be 650mm wide and fitted with polished timber fiddles. Top to be heat resisting plastic. Knee hole desks to be of wood veneer faced plywood with cigarette proof plastic tops. To be fitted with one column of four drawers, shallow drawers at top, deep drawers at bottom suitable for files. Chart table to have wood veneer plywood top and be 850mm minimum width. Drawers to be arranged under. Drawers to have positive keeping arrangements to prevent sliding open in heavy weather. Book racks to have fixed bar across front and raised coaming at front edge of shelf. Book case to have sliding Perspex front panel. Exposed edges of plywood in furniture or panelling to be covered by wooden/plastic strips.

331. Rescue Zones

5 meters long rescue zones shall be established on both sides of the vessel and will meet with the following requirements: - Each rescue zone shall be illuminated both on deck and over side with no shadow

areas. - Bulwarks shall be either of opening or removable type to allow an open working area and shall be not less than 1.5 metre in width.

- Scrambling nets shall be supplied. Suitable securing points for scrambling nets, safety lines and rescue craft.

332. Painting

Hempel’s paint schedule shall be adapted as per their recommendation. Shipyard shall obtain owners/buyers approval before finalizing the painting scheme. Due to IWS notation, the hull painting shall be carried out for 5 years usage.

Galvanizing Galvanizing shall be carried out on: Air vent hoods Steel sounding, suction and discharge pipes Exterior rails, stairs and ladders All piping for sea and freshwater, except where otherwise noted Exterior gratings where of steel Other items as deemed necessary. All galvanizing, also for piping, shall be done by hot-dip galvanizing. Galvanizing shall be carried out after finishing all hot work. All pipes for seawater and for corrosive mediums / external fittings/gratings shall be galvanized with a minimum uniform thickness of 80 Microns.



333. Cathodic Protection Due to IWS notation, the Cathodic protection shall be for 5 years duration on external hull, bilge keel, stern, bow thruster tunnel, each sea chest and rudders by sacrificial anodes.

333.A Antifouling system in sea suction

Suitable anti-fouling system (marine growth prevention system) for seawater cooling line shall be provided in sea chests. This system shall be electrically controlled and be of self monitoring/regulating type to last 5 years.

334. Markings General

All markings shall generally be carried out with outlines in bead welding, except the freeboard mark which shall be made of cut steel plate and welded on. All markings are in English language only.

Superstructure Markings A Vessels name board of suitable material shall be installed at both sides at the top of the wheelhouse. Suitable lighting of the name boards shall be provided. Owner supplied Logo shall be provided on the funnels. Other markings on the superstructures shall be provided as necessary. Hull Markings The necessary hull markings, i.e. Vessel’s name and port of registry, freeboard and draft marks, bulkhead and tank border marks for in-water survey, bottom plug marks, etc. Vessel’s name and port of registry shall be provided fwd and aft as per Owner’s requirements. Draft marks in decimeters shall be cut from steel plates and welded at fore, aft and midship region. Manholes shall be marked with weld beads. Safety Markings All necessary safety markings such as caution plates, no smoking sign, safety instruction notices, fire equipment designations, etc. Shall be provided in machinery spaces, deckhouses and on weather decks according to operational procedures and as required by the applicable rules and regulations. The rescue boat, liferafts and other lifesaving equipment shall bear the ship’s name and port of registry.

Marking Of Pipes The marking of pipes shall be done according to Owner’s standards. In general, pipe Colour strips shall clearly identify each pipe designation/purpose, and copies of the code chart shall be mounted at appropriate locations in all machinery spaces. Name Plates for Equipment, Outfit and Machinery Nameplates shall be supplied for all equipment, outfit and machinery items on deck and in machinery spaces. Nameplates on exposed decks shall be of stainless steel nameplates for interior spaces may be of brass or plastic.



SECTION 4 - DECK MACHINERY

400. General

All deck machinery and equipment are to be supplied and installed to meet classification requirement.

401. Anchors, Chain Cables & Mooring Lines

The anchor, chain cables and mooring lines are to be supplied in accordance with Classification requirements. The numbers and length should be at least as given below: Anchors : Two (2) High Holding Power anchors + one spare Chain cables : 2 x 302.5 x ~34mm dia (Minimum)., grade 2, high strength steel stud

link chains. Minimum length of the anchor chain for each anchor shall be 11 shackles.

Mooring Lines : 6 x 50M long and one roll of 220m mooring ropes 64 mm dia. All ropes shall be of 64mm diameter. All ropes shall have mooring eyes at both ends.

402. Anchor Windlass-cum-spooling winch

An electro hydraulic anchor windlass along with a central rope drum suitable for specified diameter cable complete with two warping drums is to be provided. The cable lifters and rope drum are to be independently clutched. No automatic spooling gear is to be provided for the rope drum. It is to be securely mounted on fabricated steel seating on forward of forecastle deck above the chain lockers. Chain pipes, cable stoppers and hawse pipes are to be suitably arranged for easy flow in and out of the anchor and chain. Control "at site" as well as remote in wheelhouse is to be provided. One ‘H’ frame (cruciform) bollard is to be fitted on the center line, forward of the anchor windlass. Capacities - 10M/min for chain cables. Rope drum to be of 5 Tonnes at 15M/min and at light loads 30M/min for mooring lines. Drum capacity 300 m x 80 mm polypropylene and the rope is also to be supplied by shipyard.

403. Lashing Lugs & Dummy Capstans

20 numbers of 5t SWL lugs are to be arranged on main deck / Cargo Rail. Three dummy capstans each are to be fitted on the supports of the cargo rails / main deck suitably at the port & stbd. Sides.

404. Tugger Winch Two (2) electro-hydraulic Tugger winches, each of 5 Tonnes at 5M/min. capacity are to be installed on the forward end of the aft deck. Each winch is to be complete with one (1) wire drum and one (1) warping head. Local controls shall be provided at the winch. Note: Suitable isolating valves/ball cocks shall be provided on the tugger winches and anchor windlass. A high temperature alarm for hydraulic oil system shall be provided.

405. Deck Connections Discharge manifolds shall be provided on deck for the following and fitted with CAMLOCK couplings as applicable. a) Sewage - Connection to meet MARPOL 73/78 b) Dirty oil - Connection to meet MARPOL 73/78



c) Diesel oil - Female 3 inches with CAMLOCK connections. d) Fresh water - Female 3 inches with CAMLOCK connections e) Mud - Female 5 inches with CAMLOCK connections For Diesel oil, Fresh Water and Mud, discharge points at stern portside. Deck connections to be also provided on stbd side but need not be extended up to stern. Save all / spill trays to be provided for all the filling / discharge lines, air vents / over flow lines etc. for fuel oil, lube oil, hydraulic oil, dirty oil & bilge holding tanks.

406. National Colours

"Staff" to be installed at mast for national colours. 407. Escape Hatches

Watertight hatches, with counter weights to be provided for the following compartments, except stated otherwise : - Engine room - Steering gear compartment - Bow thruster room – (personal hatch in the main bolted panel for removal of BT

motor) Rungs or vertical ladder are to be fitted for each escape hatch. Counter weights are to be provided for easy opening/closing of the hatches.

408. Storm Rails Storm rails and grab rails to be fitted all round deckhouse and wheelhouse and on exterior bulkheads. Storm rails also to be fitted in convenient positions in toilets, engine room and bow thruster compartments.

409. Drainage for Decks Suitable scupper pipes minimum 50mm to be positioned in funnels, along the main deck, forecastle deck and wheelhouse top to facilitate deck drainage. 50mm dia scuppers and drains are to be fitted in galley, each wash place and shower sumps. Drains to be fitted to discharge from all washbasins and scuppers. Drains are to discharge overboard through a storm valve. Soil pipes from WC to be minimum 100mm and led to a common soil collector line leading to the sewage collection tank. Each scupper to be fitted with a grating and all domestic pipes are to have water-sealed traps and cleanout plugs at bends. Horizontal runs of drainpipes to have a slope of not less than 1:50

410. Covers for Deck Equipment

Strong PVC / Canvas covers for deck equipment such as compass, searchlight, anchor windlass, etc are to be provided.

411. Mooring Bollards & Pipes.

Bollards: 12" NB, Sch 80 pipe double bollards are to be fitted. King-post type bollards shall be provided on the stern bulwark and cargo rails, as necessary. Mooring Pipes (or chocks): Six (6) mooring chocks for the above bollards are to be fitted to the bulwark suitably.



412. Deck Crane

One (1) electro hydraulic telescopic crane is to be fitted on the longitudinal centre line near the stern (About 6 meters inboard of stern).

The Crane shall have a telescopic boom, which can be extended to at least 36.0 m. The main hook of the crane shall be capable of lifting 5 tons @ a radius of 36 meters and 18 tons @ a radius of 20 M to a height of 38 m (below the hook) above main deck. Additionally, the crane shall have a whip-line which shall be capable of lifting 5 tons @ 20 meters radius with a hoisting speed of 50 meters/min. Height of the upper most part of the crane, when in parked position, shall not be more than 7.0 meters above the main deck.

The crane powering, gearing, drum and hoist arrangement shall generally provide a fast enough hoisting and lowering speed so that cargo can be handled safely when the vessel is loading or discharging at offshore locations. The main hook shall be capable of lifting 18 Tons @ 20 M radius at 25m/minute speed, in double rope (around a pulley block) configuration.

The dynamic load factor required for the crane is 1.35 and the crane should be able to operate at full load upto Buefort Scale 2-3 and upto 75% capacity at Buefort Scale 4-5. The crane cabin shall be air-conditioned and the Air-con unit shall be explosion proof type.

The crane shall be 360o continuous slewing type and be capable of extending/retracting the boom with full load hanging from the hook.

Crane shall be fitted with automatic safe load indicator & other necessary safety devices. It shall comply with requirements of Qatar Petroleum’s “corporate Lifting Equipment Regulations QP-Reg-Q-001(revision 4, dated 26/10/2009), which is part of the contract.

Necessary warning lights & floodlights are to be provided on the crane boom.

Hull structure below the crane post shall be suitably strengthened to facilitate future retrofitting of a crane capable of lifting 30 Tons @ 20 meters radius to a height of 40 meters above the deck. Main electric cable shall be capable of meeting the future electric load requirement of such a crane.

413. Cargo Rails

Suitable Cargo rail / crash guards have to be provided in the aft deck for the protection of the structures and people.

414. Work Deck The aft working deck area of over 300 m2 suitably sheathed with hard wood is to be provided. The deck loading is 5 T/m2. The work deck from stern to 15 meters inboard shall be strengthened to 10Tons/M2. Other details are described elsewhere.

415. Landing Platform

The size to be ~1.5m x 1.5m. Other details as per stern quarter platform described in section 3.



416. Mooring Capstans Two Capstans of 5T capacity each are to be provided at the P&S aft ends to facilitate stern mooring of the vessel. 417. Gangway & Diver’s Ladders Two gangways and diver’s ladder are to be provided. The details are given in section 3. 418. Fast Rescue Boat & Workboat

One powered rigid / semi-rigid Fast Rescue Boat, suitable for 10 persons and with diesel inboard motor c/w A-frame davit is to be provided. The boat shall be capable of operating at 25 Knots when fully laden. The boat shall NORSAFE MAKO 650 or similar.

419. Deck Shower & Eye Wash Station

One shower + Eye wash station to be provided at a suitable location on the aft bulkhead of the superstructure in the open area on main deck.



SECTION 5 - PIPING SYSTEMS

500. General All pipes are to be arranged according to good marine practice with sufficient bore and thickness for the purpose intended and to comply with classification rules and JIS/DIN standard. They are to be well clamped to the ship’s structure and to have minimum number of bends. Approved type of bulkhead fitting is to be used where piping penetrates a watertight or oil tight bulkhead, deck or tank top. Expansion bends are to be fitted where necessary to avoid damage due to expansion or movement of the structure. Piping on hot services is to be insulated and is to be clamped to the structure after insulation has been fitted. Mud boxes, strainers, filters and valves are to be arranged to classification’s requirements. Oil fuel and lube oil, compressed air and exhaust piping and are to be black steel, other pipes to be galvanised. Actual schematic diagrams of piping systems shall be provided and approved before installation. Piping material shall be to class requirement. Pipes systems are to be fitted with cleaning plugs and drain cocks, where necessary. All valves will be marked with appropriate nameplates. Bunker station will be arranged on deck with common filling of diesel oil. Pipes of 38 mm diameter and above shall have flanged connections, below 1 ½” (38mm) are to be screwed with unions except for the air piping where butt welded with flanged is to be adopted. Threaded pipes are to be avoided wherever possible except in freshwater supplies system for domestic use. Where screwed connections are used, exposed and uncovered threads are to be treated with an approved anti-corrosive compound. All bare steel pipelines to be painted with primer prior to final finish coat as per paint specification. All air vent pipes for tanks and voids to be carried above exposed decks and terminate in tank vent check valves as required. Float balls to be PVC. All ballast and freshwater tank vents are to have insect screens. Vents are to be fitted to all under deck store spaces. All sounding pipes to be fitted to each tank and to extend above exposed deck, as necessary and fitted with brass screw cap and keep chain. Flush deck sounding pipe to be avoided on exposed deck, to the extent possible. Short sounding pipes to be fitted to double bottom tanks in engine room, F.O. double bottom’s sounding pipes to have self closing weighted cock. All filling connections for F/W tanks to be fitted on main deck complete with brass screw cap and keep chain. Filling pipes to be clearly marked with engraved brass tally plates. Colour code is to be advised by Owner and generally all to Builder's standard practice.

501. Pipe and Valve Material

Pipes:- Hull pipes to JIS or equivalent. For pipes passing through tanks, pipe scantlings may be increased to be to Classification requirement. System Material Remarks Bilge + Ballast Galvanised steel Seamless Sch 40 Fire + Washdeck Galvanised steel Seamless Sch 40 S.W. Cooling Galvanised steel Seamless Sch 40 F.W. Cooling Galvanised steel Seamless Sch 40



Main sea chest line Galvanised steel Seamless Sch 80 Fuel Oil Black Seamless Sch 40 Lub OIl Black Seamless Sch 40 Sanitary, Fresh +Water Copper (in accmdn area\, behind panelling) Soil Pipe Galvd steel Seamless Sch 40 Air + Sounding Galvd, steel except Oil tanks Seamless Sch 40 Control Copper Seamless Sch 40 Compressed Air Black steel Seamless Sch 80 Exhaust Black steel ERW 80 Where galvanising is specified, this is to be carried out after fabrication as far as practicable. Thickness of galvanic coating (by dip method) shall be 80 Micron or above. Water / soil pipes are not to be led through tanks as far as practicable. Valves:- Shipside valves are to have cast steel or bronze body. Valves on bilge, ballast, cooling water (S.W. and F.W.), fire and wash deck may be cast iron body with bronze trim. Valves on compressed air system to be steel or bronze. Valves on fuel oil and lube oil systems are to be Cast Iron.

502. Bilge & Ballast System Bilge main and suction lines are to be in accordance with Classification requirement. Mud or strum boxes are to be fitted in the system where applicable in accordance to Rules requirements. Mud and strum boxes to be galvanised. Filling, suction and discharge pipes to be fitted to all tanks. Suctions to be fitted as required by Classification. Upon completion, the systems are to be pressure tested to Classification requirements. Care is to be taken to ensure drainage to bilge suctions and scuppers. All main tanks, including the Skeg to have 40mm diameter screw fittings, stainless steel docking plugs fitted at their lowest point as far as practicable. Two docking plug spanners are to be supplied.

503. Air & Sounding Pipes Sounding pipes are to be fitted to tanks, cofferdams and drain wells, as required by Classification. Double bottom tanks are to be sounded from the engine room. Self-acting weighted cocks to be fitted. Nameplates of brass engraved with the tank number and purpose to be fitted. Striking plates or equivalent to be fitted at bottom of sounding pipes. Air pipes terminating on deck in gooseneck vents to have float ball valves. Air pipes for loose tanks to be terminated on top of the respective tanks.

504. Fuel Oil System

The ship's oil fuel bunkers are to be arranged with one of the bunker tank arranged as an overflow tank. Oil fuel filling connections are to be arranged port and starboard on the main deck with suitable spill trays. The oil fuel piping is to be arranged so that the transfer pump may draw from any of the bunkers and discharge to either the daily service tanks or the settling tanks. A spring-loaded draw-off cock is to be fitted to each daily service tank and settling tanks.

Each oil fuel bunker and daily service tank to be fitted with an overflow pipe led into a common main, which is to discharge into the overflow tank. Site glass and overflow Alarm



shall be provided in common main, illuminated from behind. All fuel tanks shall be installed with High level Alarm system in “normally closed” configuration.

A single air pipe is to be arranged from the overflow tank and is to be terminated under the forecastle deck bulwark with gooseneck with float ball vent and flame arrestor screen. The over flow line is to be fitted with an overflow alarm. All Vents from fuel tanks shall have drip trays around them which shall have a height of 250 mm and be wide enough to contain spill/ overflow.

Drip trays of 150mm coming height to be fitted in way of pumps. Drain from drip trays to be drained to dirty oil tank. Emergency shut-off valves to be fitted on fuel oil and lub-oil tanks subjected to static head. Emergency hand pumps to be provided.

Remote air-operated closing devices for fuel oil valves are to be provided as per Rules and Regulation.

Vessel shall be equipped with an accurate & easily operated sounding / gauging system. This system should indicate true quantities of fuel in each tank. This system should have remote display(s) in the Machinery control room together with a paper printer. Positive displacement flow meters shall be installed in the filling and discharge lines for indicating accurate quantity received / and discharged. The flow meters shall have Analogue display at local and digital display at remote location in the wheel house where arrangements shall be provided for printing (on hard paper) the received and discharged quantity.

A dedicated line 35 MM, with Camlock, coupling shall be provided from transfer pump to a suitable location on main deck for supplying fuel during well servicing operations. This line shall have a flow meter for accurately recording the quantity pumped.

Fresh water & Diesel fuel discharge & intake pipes or lines shall be fitted with pressure gauges and sampling cocks for monitoring quality at periodic intervals during discharge and intake of diesel fuel. The mud discharge & intake pipes will only be fitted with pressure gauge.

Diesel oil purifier is to be installed and connected to the system.

The system must be provided with two fuel oil transfer pumps for internal and external use. The pump for internal transfer (from storage tanks to service and settling tanks) shall be rated for 10M3/Hr at a pressure of 3 bar. The cargo fuel oil pump shall be rated for discharging 60M3/Hr at a pressure of 6 bar.

505. Lube Oil System

Lube oil pipes of seamless black mild steel are to be arranged in accordance with engine Manufacturer's recommendation and to meet Classification requirements. Lube oil storage tank is to be provided in engine room with filling pipe and air vents with suitable save all trays, fitted on main deck. The main and auxiliary engines are supplied with built-in lube oil pumps. Separate lube oil tanks to be provided for each grade of oil, with capacity sufficient to hold oil required for one change. No lube oil tank to be located in the double bottom area. The lube oil tanks to be located in the wings. Lube oil purifier is to be installed and connected to the system, as required.

506. Engine Cooling System

The main and auxiliary engines are to be water-cooled and each engine is to be equipped with engine driven F.W., lube oil & seawater pumps and coolers. The cooling pipes are to



be arranged in accordance with engine manufacturer's recommendations and to meet Classification requirements. In addition to remote indicating digital gauges for temperatures and pressures, local pressure gauges & thermometers, as applicable, are to be provided on pumps, coolers, water, and air & exhaust manifolds. For emergency the general service pump is to supply raw water-cooling to the heat exchangers of the main engines. For auxiliary engines also the emergency cooling system is to be supplied by the GS pump.

507. Compressed Air System

The main engines are to be compressed air started. The compressed air pipes of solid drawn black mild steel are to be arranged with air bottles, valves, and pressures gauges in accordance with air bottles, valves, pressure gauges in accordance with Manufacturer's recommendations and to meet Classification requirements. - Two (2) air bottles of suitable sizes. - Two (2) electric motor driven compressors capable of charging the air bottles within

one hour. Air compressors to have automatic start/stop. - One (1) of the compressor to be supplied with alternate source of power from

emergency generator.

- Working air compressor – In addition to starting air compressors, the Vessel shall be equipped with a permanently installed electric motor driven working air compressor connected to compressed air supply system, with outlet points which include the clear open deck on both sides at the stern, workshop, tool room and instrument room. The compressed air system must be fitted with filters & refrigerated dryers and must be capable of providing at least 300m3/hour (175 cubic feet per minute) of clean/dry compressed air at a discharge pressure of 827 kPa (120 psi or 8.3 bar). The dryer shall ensure that the air is dry in all ambient temperature & humidity conditions in the Arabian Gulf. The compressor should be screw type with auto unloading mechanism.

The vessel shall be provided with minimum 46m reinforced compressed air hose on a reel, 25mm diameter and working pressure 10.3 bar.

508. Hydraulic System

The hydraulic piping of solid drawn steel (internals acid cleaned) for the steering gear, towing winch and other Deck Machinery are to be arranged in accordance with the Manufacturer's recommendations and to meet Classification requirements. Necessary strainers are to be provided.

509. Fire & Wash deck Service

Salt water for the fire fighting and wash deck service to be supplied from the general service pump in the engine room and from the emergency fire pump to a fore and aft main run under deck with branch line of 65mm and with 2-1/2" instantaneous hydrants valve as per applicable rules. Hose reel, hose nozzle and axe to be stowed in boxes adjacent to each hydrant. Each pump discharge is to connect to the system through an accessible isolating valve and each main deck branch is to have a shut-off valve at the main. Drain plugs to be fitted at low points in the system. Hoses with standard approved type of instantaneous couplings are to be supplied with nozzles. As far as possible hydrants are not to be located in accommodation area.



510. Freshwater System- Cold

A potable water pressure system is to be fitted for drinking and washing purposes. One FW line complete with UV steriliser or equivalent filtering system to remove sediments etc. is to be provided and supply to drinking water fountains, one tap in the galley (to be distinct) are to be supplied from this line. Pressure system is to consist of a pressure tank and Two (2) pump. One (1) additional pump, complete with electric motor, is to be supplied loose to act as standby for both potable water and sanitary water pumps. Vessel shall have a completely separate clean FW (potable water) system together with pipes/lines & pumps, which are not used for pumping bilges, ballast or fuel. The tanks to be de-odorised before putting into use. The clean FW discharge pipes or lines shall be fitted with flow meter and sampling cock for monitoring quality at periodic interval during intake & discharge of F.W.

The system must be provided with one Freshwater transfer pumps for internal and external use. The cargo freshwater pump shall be rated for discharging 60M3/Hr at a pressure of 6 bar.

Positive displacement flow meters shall be installed in the filling and discharge lines for indicating accurate quantity received / and discharged. The flow meters shall have Analogue display at local and digital display at remote location in the wheel house where arrangements shall be provided for printing (on hard paper) the received and discharged quantity.

511. Freshwater System-Hot One (1) electrically heated thermostatically controlled calorifier with circulating pump is to be fitted.

System has to supply hot water to washbasins, showers, galley, etc. Hot water pipes are to be lagged according to National Authorities requirements. Forced circulation to be provided by electric driven centrifugal pump having Cast Iron casing, bronze impeller and stainless steel shaft.

512. Sanitary Water System

A pressure system identical to the potable water system is to be fitted. System to supply sanitary water to water closets and to taps for washing down purpose. The pumps in sanitary system to have bronze casings, bronze impeller and Stainless steel shaft. The piping in accommodation area behind paneling shall be of copper. Pressure system is to consist of a pressure tank and Two (2) pumps which shall identical to the pumps used in the Fresh water system (cold)

513. Scupper & Discharges Discharges from washbasins, showers, sinks are to be grouped into common cross main(s) to discharge overboard through storm valve(s). Internal scuppers from accommodation are to be taken separately. Discharge from W.C. is to be led to a sewage treatment plant adequate for 28 persons. Scuppers from the refrigeration spaces are to be led to the bilges. Scupper from AHU drain is to be led to deck scupper.



50mm scuppers to be fitted in toilets. Laundry and galley scuppers to be 80mm. All internal scuppers are to be trapped, and fitted with portable gratings. Scuppers to be of JIS standard or similar. Discharges and traps generally to be as follows: Showers : 50mm with P-trap Washbasins : 32mm with deep seal bottle trap Galley sink : 65mm with water and grease trap, strainer to be fitted W.C.s : 100mm Cleaning plugs to be fitted as may be required. Open superstructure/deckhouse decks to be drained by 50mm scuppers. Moisture condensate drainage has to be provided from behind accommodation panelling above main deck.

514. Refrigeration System

Refrigeration plant of R404A system direct expansion type, water-cooled, electrically driven, to be installed complete with all necessary accessories. Two (2) nos. refrigeration plant capable of maintaining temperatures independently are to be fitted. The plant is to maintain temperature of (-) 20 degrees C and (+)4 degrees C in refrigeration store spaces. Dial type thermometers to be supplied and fitted for each chamber with dial mounted on outside of chambers. Refrigerant pipes to be seamless copper and outside of cold chambers they are to be lagged. Refrigerating system to be of the fan/coil blower type and to be automatically controlled. Scupper pipes to be fitted draining to main scupper lines and led to overboard except refrigerant lines no other pipes to pass through cold rooms. Drain from tray is to be provided with defrosting arrangement, Door gasket in freezer room is to have heater.

515. Air Conditioning & Ventilation Air-conditioning:- Two (2) air-conditioning plants for cooling only are to be fitted to serve accommodation, wheelhouse and all living spaces within Accommodation area. The workshop, instrument room and tool rooms are also to be air-conditioned. The galley, stores, workshops, tool room, instrument room shall be spot cooled or fitted with dedicated split AC units. Each plant is to be capable of meeting 70% of the ship’s requirement at peak load. The air duct to Wheel house is to be separate from other branches. Design Conditions as follows: Outside : 50 degrees C and 92% R.H. Inside : 22 degrees C. and 50% R.H. Ducts to be fabricated from galvanised sheet metal and insulated by minimum 25 mm thick rock wool and ensure that the condensation will not occur on the outer side. To be concealed behind deck head lining. Fire dampers to be fitted where necessary. Exhaust from cabin or compartment to be through louvered grilled in the lower part of the door. The wheelhouse, in addition to the air-conditioning system from the main Air-con plants, shall be fitted with two (2) number split air conditioners. Each of these units shall be able to cater for 70 % of the cooling load of the wheel house at peak loads. If



compressor /condenser units are installed outside the wheelhouse in the open, they must be explosion proof type. Certificates must be provided for these units. Ventilation: Following spaces to have forced supply and/or forced exhaust: Space Air Changed Per Hr

Supply Exhaust Galley 20 40 Toilets - 15 Laundry/drying room - 15

Dry provision 10 - Natural ventilation to be provided from cofferdams, tanks and deck stores. 516. Tank Gauges & Loose Tanks

Loose tanks in machinery room shall be provided with approved gauge glass with suitable protection and draw-off cock as per Builder's standard. A reliable and accurate tank gauging system with display and print out is to be provided for all the F.O and FW storage tanks, with indications in the bridge.

517. Exhaust Pipes & Silencers Exhaust Pipes from main and auxiliary engines to be led to top of funnels. Exhaust Pipes and silencers to be well insulated and covered with aluminum or cloth sheeting. Expansion pieces for main and auxiliary engine’s exhaust pipes shall be arranged. Silencers and exhaust pipes to be thermo metrically insulated from steel work. All exhaust pipes are to be fitted with spark arrestors at the end open to the atmosphere.

518. Dispersant System

The vessel shall be equipped with a permanently installed oil pollution dispersant spraying system consisting of extendable or swivelling spray booms fitted on each side of the vessel, where they can be rigged or deployed quickly, a dispersant tank of at least 10m3, a controllable injection pump which can inject between 0% to 10% by volume of dispersant in to the discharge stream, and all associated pipe work, controls, meters and monitors. The system should be from Ayles Fernie or similar.

519. Well Killing Liquid System The vessel shall have two tanks for well killing liquid, each with a minimum capacity of 150 m3 each (total of 300 m3). The tanks shall be fitted with arrangements for continually circulating in order to maintain homogeneous consistency. Electric power connection and manhole shall be provided for the mechanical stirrer. SW flushing line shall be provided for these tanks, pumps and piping system. The system shall be installed with two identical Mission Magnum pumps capable of discharging the mud at 100M3/hr to a head pressure of 70 meters.



SECTION 6 - SAFETY & NAVIGATION EQUIPMENT

601. Life Saving Equipment

Life saving equipment is to be in accordance with Classification and Government Authority requirements for an Ocean Going Vessel with a total complement of Twenty Eight (28). The Life saving equipment shall include at least the following:

Liferafts : Minimum Four Fifteen (25) men inflatable Liferafts to meet SOLAS requirement, are to be stowed in hinged type cradles for quick sideway launching. All to be SOLAS approved.

Lifebuoys : Minimum Eight (8) lifebuoys of PVC or equal approved construction. Four (4) lifebuoys with 90 Ft buoyancy line Four (4) lifebuoys with 90 Ft buoyancy line and self igniting electric lights Two (2) smoke signals of the latter). All to be must be provided in accordance with SOLAS requirements. One (1) lifebuoy to be positioned close to stern.

Lifejackets : Thirty Two (60) approved type lifejackets including spare jackets are to be supplied and stowed adjacent to each berth. All to be SOLAS approved

Work vests : Six (12) Pyrotechnics : One (1) line throwing apparatus.

Twelve (12) parachute distress rockets. Two (2) orange smoke signals each to have 120 seconds discharge time and be waterproof.

Fast Rescue Boat/Work Boat

: One (1) SOLAS approved rigid/semi-rigid Fast Rescue Boat with inboard motor and water jet propulsion and capable of carrying 10 persons supplied along with a SOLAS approved, A- frame type rescue boat davit. The boat shall be capable of operating at 25 knots speed when fully laden. The boat shall be NORSAFE MAKO 650 or similar.

Retro Reflective tapes : Life Saving appliances are to be fitted with reflective tapes Scrambling Net : Two (2) numbers, one (1) on each side of the Rescue Zone.

A plypropelene net reaching at least one meter in to the water when lowered. The net should have a spreader beam cum weight at the lower end to keep it under the water. Rolled up when not in use and approx. 3 M wide made of 10mm circ. PP rope with mesh about 200 mm. The scrambling nets to be rigged on roller booms on each side.

Boat Hooks : Two (2) boat hooks c/w approx. 8mm handle. First Aid Kit : At least 2 x 28 men first aid kit. One (1) copy of Captain

Medical Guide. Breathing Apparatus

:

Sixty (60) set of breathing apparatus (15 minutes) with face mask working at positive pressure. Make: Tyco Scott. Model: ELSA Muster. Mask: Vision 3 face mask. Attachments: Airline whip attachment with Hanson HK fittings. Capacity: 15 minute duration, 3 litre 200 bar steel cylinder.



Breathing air Cascade

:

Ten (10) B.A set (45 minutes duration, light weight tank) with positive pressure face mask, 2 spare bottles filled with compressed air. Make: Tyco Scott. Model: Sabre Contour CTR 120. Mask: Vision 3 face mask. Attachments: Airline whip attachment with Hanson HK fittings. Capacity: 45 minute durations, 9 litres 200 bar lightweight (fibre) cylinder. Vessel shall be fitted with certified breathing air cascade system consisting of the following items.

Eight (8) Oxygen cylinders, 375 Cu.ft, 3500Psi, cascade rack.

Three (3) Units high to low air pressure regulators Four (4) units of 12 outlets manifolds with Hanson

HK fittings Sixty one (61) assorted hoses ¼” ID, 300 Psi low

pressure hoses with male and female Hanson HK fittings on either side of the hose.150 ft long hose – One (1), 100 ft long hoses – Five(5), 50 ft long hoses – Ten(10), 10ft long hoses – Forty (45).

Breathing air compressor (for charging the cascade system and BA bottles), complete with dryer, and air quality tester shall also be supplied as part of the cascade system.

H2S & LEL Detector : Permanently installed fixed H2S & LEL sensing and alarm system having both visual and audible alarms through out accommodation and workstations. The sensor heads are located at Air inlets to E/R, Air inlet to accommodation, forward of wheelhouse, main deck, one optional point. (Total six (6) sensors)

Portable Triple gas detector

: Three (3) portable hand held, battery operated, multi purpose, “triple” gas detectors for sensing H2S, LEL and O2 deficiency are to be supplied. Three spare re chargeable batteries with individual chargers to be supplied. Two (2) area monitors for sensing H2S, LEL along with battery chargers shall be provided (to be clarified by owners)

Immersion Suits : As per SOLAS

602. Firefighting & Detection Equipment INTERNAL Fixed fire detection and alarm system for the accommodation, machinery spaces and paint locker is to be provided. Fire fighting equipment shall meet SOLAS, Classification and relevant Government Authority Regulations. Generally all in accordance with the following:- Fire main: A fire main with suitable hydrants are to be installed, on various deck levels and in engine room. 10M canvas fire hose c/w brass coupling and nozzle is to be supplied and stowed



alongside each hydrant in a protective box. All nozzles are to be dual jet/spay type. International shore connection is to be provided as per SOLAS Fireman's Outfit: Two (2) complete sets (each contained in its own separate storage unit) of fireman's outfit are to be provided, each comprising of following: - One (1) aluminium asbestos protective clothing - One (1) breathing apparatus - 45 minutes lightweight (fibre) oxygen tank and mask - One (1) fireman's axe - One (1) safety lamp of portable battery type - One (1) set of gloves and boots - One (1) electric drill with extension cord

Portable Fire Extinguishes:-

Fire extinguishers are to be supplied and installed as per SOLAS. Only dry–powder, foam and CO2 extinguishers are to be provided. Fire Blanket Two (2) off to be provided in engine room and in galley. Fire Axes Two (2) off.

Fire Bucket Four (4) buckets painted in red and marked ‘fire’ to be supplied in stands.

603. Fixed CO2 System A full flooding CO2 system consisting gas bottles c/w quick operated valves and auto alarms is to be provided for engine room fire fighting. The CO2 bottles shall be stored inside a separate compartment. Operation is to be manual arranged both on the bottle(s) and in a "break glass" pull box at the engine room access.

603.A Fire detection system

Smoke and heat alarms shall be fitted throughout the galley, mess rooms, recreation rooms, living spaces, accommodation, alleyways, wheel house, offices, laundry, workshop, tool room, instrument room, machinery spaces, B/T room, Steering gear room, paint room, etc. Monitoring panel shall be installed in wheelhouse.

604. Emergency Fire Pump

Please refer to Machinery Specification Clause "Fire Pump-Emergency" - item 733.

605. External Firefighting External fire fighting system is to be as generally stated below and is required to meet FIFI Class 1. Fire pumps Two (2) seawater pumps each 1500 m3/hr at 14 Bar. The pumps are to be driven from the front side PTO of the main engines via step up gearbox with built-in clutch. The capacity of the pump is considering the drenching requirement, may be increased if felt insufficient.



Independent sea suction and piping system for each pump has to be provided. The pump’s casings are to be cast steel, shaft acid proof steel & impeller of AI-Bronze. Overboard dump lines shall be provided to empty the system after use. Capacity : 1500 m3/hr Head : 140 MLC Pump speed : 1800 Rpm Power absorbed : Maker requirement Driver power : Maker requirement Fire Monitors (water/foam) Two (2) units of fire monitors for water and foam discharge (one with double barrel for foam discharge) are to be provided. Electrical joystick control arrangement from the aft console in wheelhouse is to be provided. Two (2) hand wheels for emergency manual control also require to be built on the monitors.

Monitor Capacity 1200 m3/hr Inlet pressure 12 bar Throw length 120m Reaction thrust 16.58 KN (Approx) Swivels and swivel

Bronze

Barrel Acid proof steel, according to requirement for FF Class I vessel.

Throw height 55m measured vertically from sea level assuming a mean impact area located at a horizontal distance not less than 70 m from nearest part of vessel. Horizontal and vertical movement with limit stops restricting monitor discharge on any part of the vessel.

Elevation and rotation of monitors

Minimum of 230 degrees in horizontal and -20 to +70 degrees in vertical directions.

Foam shall be introduced to the monitor from branch pipe directly and expansion in the foam barrel for application. Monitor control The monitor remote control system consisting of the following: - One (1) main control panel - logic for operation of monitors. - One (1) joystick panel for installation in wheelhouse with the following remote functions i) elevation and rotation of monitors. ii) clutch in/out operation of fire pumps. Deck Delivery Heads Two (2) sets of 4-way 65mm delivery heads with instantaneous hose connections are to be fitted on main deck.



Fixed Water-Spraying System (UNITOR or equivalent) The vessel is to be protected by a permanently installed water-spraying system consisting of tug nozzles fitted on all deck levels. The fixed water spraying system is to provide protection for all outside vertical areas of hull, superstructures and deckhouses including foundations for water monitors and other equipment. The arrangement for the water-spraying system is to be such that necessary visibility from wheelhouse and the control station for remote control of the fire fighting water monitors can be maintained during the water spraying. The pipelines and nozzles are to be so arranged and protected that they will not be exposed to damage during the operations. The fixed water spraying system is to have a capacity not less than 10 litres/min/m2 of the area to be protected. Drenching branch line for the main spraying system shall be provided with remote operated solenoid valve with control at the aft wheelhouse control console for controlling the supply to the wheelhouse during fire fighting operation. A manual isolating valve shall be provided before the solenoid control valve. Foam System (comply to FiFi Class 1 Requirement)

Foam system shall come with tank of 10m3 capacity.

Foam injection system shall be suitable for up to 3% foam injection with proportioning pump and flow meter for controlled injection. All pipes in permanent contact with foam or detergent concentrate shall be of stainless steel. The foam shall be injected only to the fire monitor line avoiding the mixing with the drenching water system.

All pipes of the fire fighting system shall have drainage and venting valves.

A suitable compressor shall be provided for charging the breathing air bottles.

606. Navigation & Communication Equipment

The following navigation and communication equipment are to be fitted in accordance with relevant Government Authority requirements. The system shall comply with the requirements of 1974 SOLAS as amended by the 1988 GMDSS conference. Following is based on GMDSS requirement for AREA A1, A2 & 3, AIS, VDR, BNWAS, ECDIS are to be provided as required by relevant rules / regulations. A separate GMDSS console shall be provided at a suitable location in the wheel house.

The two (2)VHF required by GMDSS shall be multi channel 25 watt RF output power and 1 watt reduced RF output switch fitted with digital selective calling (DSC) and capable of receiving on 156.525 MHz (Channel 70). Remote handsets to be located at the forward and aft control stations.

Two independent INMARSAT stations ( Fleet Broad band) complete with hardware and soft ware for INMARSAT telephone, fax and e-mail facility shall be provided. One of these shall be installed in the wheelhouse for ship’s use and the other shall be installed in the client’s office for use by charterers. Two (2) units of search and rescue radar transponder (SART) One (1) unit of NAVTEX Receiver, Make: FURUNO or equal One (1) EPIRB One (1) watch keeping receiver unit, Make: FURUNO or equal



Two (2) Radars, one meeting SOLAS & ARPA with daylight display. One (1) unit X – Band, Make: FURUNO or equal One (1) speed log system comprising transducer receiver, interfacing facility and inter-connecting cable shall be provided and installed, Make: FURUNO or equal One (1) Weather Facsimile One (1) master gyrocompass fitted with three (3) gyro repeaters positioned as follows: - One (1) centrally located in wheelhouse forward steering station - One (1) centrally located in wheelhouse aft steering station - One (1) outside of wheelhouse positioned clear of obstructions so as to allow bearings

to be taken, fitted with azimuthing ring capable of obtaining compass errors. One (1) autopilot compatible and interfaced with gyro and steering compass. One (1) magnetic compass with 7-inch reflector type c/w correction magnet, quadrant balls and reflector tube and compass binnacle, Azimuth device is to be provided. One (1) GPS (Global Positioning System meeting SOLAS requirement shall be provided. Additionally, One (1) DGPS, capable of receiving paid and free differential correction signals, shall also be provided. These should have “way-point” features and suitable for navigational use and to establish accurate position of Man overboard, ditched helicopter, vessel in distress etc. The DGPS shall have readout on forward and aft conning position and be capable of displaying position in geographical and UTM coordinates in Qatar Offshore Datum. The system shall include error and malfunction printout capability. The DGPS shall be capable of uploading QP field charters in .dxf formats. One (1) echo sounder, 0-25 meters deep range c/w repeater at aft manoeuvring station, Make: FURUNO or equal Three (3) sets walkie-talkie, intrinsically safe, each complete with spare battery and chargers. SSB set (See separate clause no. 626). Hygrometer Machinery Data Logger with Engine and propeller Movement Recorder. Item not specified above but required by the relevant Authority are to be supplied.

607. Internal Communication

One (1) auto-telephone system with about 100 lines is to be provided. All the cabins, offices, common spaces workshops, control positions, stores tool room etc to be connected by the system. Electrical supply: 230 volt, 1 Phase, 50 Hz and DC 24 volts. Internal telephone system to all rooms, workshops, wheelhouse, engine rooms, etc, is to be provided.

608. Electrical Navigation Lights & Shapes

Dual lens, 24V DC supply navigation lights are to be supplied:- - Two(2) pieces masthead lights - Two(2) towing lights - One(1) stern light - Two(2) anchor lights - Three(3) NUC lights - Two(2) black circular shapes of 600mm dia. plus one spare - Two(2) diamond shapes The lights and shapes to comply with the applicable classification & administration rules.



609. Flags

One (1) complete set of International signalling flags. Qatar national lags – 2

610. Horns

One(1) air horn (to be operable for forward and aft control) One electrically operated automatic fog horn from Zollner or similar to be provided

611. Ship’s Bell

One (1) 12"brass bell with rope and engraved with ship’s name and year of construction.

612. Day Light Signal One (1) Aldis type day light signalling lamp c/w portable battery, charger, cable etc.

613. Forward Mast with navigation lights shall be provided at the forward end of the

wheelhouse.

614. Sextant One (1) unit sextant to be provided.

615. Chronometer

One (1) unit chronometer to be provided

616. Barometer / Barograph One (1) unit precision barometer to be provided. One (1) unit Barograph with printer to be provided.

617. Covers for Navigational Equipment

Canvas / PVC covers for compass, repeaters, searchlight & voice pipe are to be supplied.

618. Clinometers Two (2) units, wall mounted (one in wheelhouse, one in engine room).

619. Clock

Five (15) battery clocks, Quartz type. Shipyard to propose locations.

620. Search Lights 3 X 2000w c/w under deck operation (one from Fwd, two from Aft), electrically operated ‘joystick’ control type.

621. Flood Lights

Ten (10) Halogen lights of 1000W each are to be fitted for external lighting.

622. Telegraphs Two (2) sets electric push button telegraphs operating on 24V D.C for twin screw propulsion consisting of the following commands to be mounted at the two (2) wheelhouse control consoles. Instruments and equipment selected for the aft consoles should be suitable for operation facing aft.



10 + 2 orders, 2 units type with changeover for forward and aft wheelhouse consoles. 2 x 10 order means: Full astern

Half astern Slow astern Dead slow astern STOP Dead slow ahead Slow ahead Half ahead Full ahead Wheelhouse control Finished with engine and standby

623. PA System PA system with talkback facility is to be installed with one (1) loudspeaker at the forward and one (1) loudspeaker at the aft. Talk back facility to be provided at all operational points like workshops, Engine Room, B/T room, Steering gear room, fwd deck, aft deck bhd and at the Crane column. One talk back facility with headphone is to be located near the local control for the CPP in the engine room. Electrical supply: 230 volt, 1 Phase, 50 Hz and 24V DC. PA system is to be connected with auto telephone system for ‘paging’.

624. Thermometer

One (1) unit of local & remote reading (in wheelhouse) seawater thermometer is to be provided.

625. Anemometer

One (1) 0-100 mph anemometer comprising transmitter and receiver of the dial type shall be installed.

626. SSB radio / Telephone

One (1) set of fully synthesized MF/HF single side-band (SSB) transceiver, 400 watts including microphone, including antenna, coupler, whip antenna control and coaxial cable. Unit shall be suitable for 230V AC, MAKE: FURUNO or equal

627. Books & Charts

These shall be provided as relevant for the type of vessel and the intended maiden voyage. A list of books, charts, publications shall be provided by the buyers 30 days before delivery of the vessel.

628. Alarm System (General)

Vessel shall be equipped with a General Alarm System capable of being activated from a minimum of three separate locations on board the vessel.

629. Thrust Direction Indicator

One (1) for each propeller

630. Binoculars Two (2) normal ship binocular sets; 7 50



631. External Communication (Charterers requirement) Three fixed VHF units capable of tuning to QP channels (given below) to be supplied and installed at the fore and aft control positions in the wheelhouse and one in the charterer’s offices. Three robust, intrinsically safe portable, hand held VHF to be supplied which are programmable to following channels in addition to the standard channels. 1. 157.475 MHZ - Wx1 2. 162.850 MHZ - Wx3 3. 158.1 MHZ - Wx4 4. 158.500 MHZ - Wx5 These VHFs are to be supplied along with three spare batteries and three battery chargers. The above equipment is in addition to the equipment required as per the GMDSS requirement.

Telephone, fax and e-mail facility is to be provided in one of the office for charterer, in addition to the same provided in the wheelhouse. These are to be independent of each other.

An Aeroband VHF shall be installed at the aft conning station and be programmed to charterers Aero frequencies , which shall be provided by the buyers 30 days before delivery of the vessel.



SECTION 7 – MACHINERY

700. General - Machinery

Propulsion is to be provided by two uni-directional marine diesel engines arranged to supply power independently via reduction gearboxes through twin propeller shafts to two controllable pitch propellers. All main and auxiliary machinery is to be rated for continuous maximum output under tropical conditions of ambient temperature of 50 degree Celsius, seawater temperature 37 degree Celsius and humidity 92 %. . Manoeuvring control of the propulsion units, propellers and gearboxes is to be provided from two stations in the wheelhouse, one forward and one aft. Diesel engines to have NOX certification in accordance with Classification Society Rules and comply with relevant rules of MARPOL. Joystick control, integrating the main engines (CPP), independent steering gear and bow thruster, is to be provided.

701. Main Engines

Main engines to be two (2) medium speed Wartsila/Yanmar/MAN or equal four stroke marine diesels each developing an MCR of about 2000 BHP @ about 1000 RPM on site, giving a total of about 4000BHP Continuous power approximately. Both main engines shall rotate in the same direction. Standby / kit pump are to be provided for seawater, freshwater, fuel oil and lube oil. Both main engines shall also drive the external fire pumps and the shaft alternators. The fire pumps shall be provided with remote clutch which shall have interlock with shaft alternators. During fire fighting mode, the breakers of shaft generators shall trip off and the power to no.1 bow thruster shall be supplied by the main generators running in parallel. An electric driven, standby lube oil pump shall be provided for each main engine. This standby pump shall cut-in automatically when the pressure drops and cut-out automatically when the pressure rises to preset level. Frequent cutting –in and cutting-out of this pump shall be avoided by setting appropriate band width of differential.

702. Gearbox Each main engine to drive the propeller through a marine reduction gear. Gear ratio is to match the engine for appropriate propeller. All in accordance with good Shipbuilding practice and owners requirements. Spare kit pumps shall be provided for the gearbox lube oil and CPP system. For alarms, safeguards and instrumentation see separate clauses.

703. Shafting Each of the forged steel tail shafts is to be sized 2mm in excess of Classification minimum requirements. Shaft coupling between intermediate shaft (if provided) and propeller shaft is to be of the split coupling type. Shaft earthing shall be provided. Mechanical means to arrest shaft trailing to be provided. The Builder shall furnish and install a complete twin-screw controllable pitch propeller (CPP) system. The oil supply for CPP system shall be from an attached pump on each gearbox and each CPP system will also have an electric driven pump which shall cut-in automatically when the pressure drops and cut-out automatically when the pressure rises



to preset level. Frequent cutting –in and cutting-out of these pumps shall be avoided by setting appropriate band width of differential. Propeller blades and hubs will be in Ni-Al bronze or equal with all copper clad steel bolts. The blades will be designed for operation in fixed propulsion nozzles. The entire CP propeller system is to be designed, built and installed to meet Classification standards. Changing of propeller blades should be possible in dry dock. Rotation of propellers will be arranged with due consideration of specified performance of the vessel.

704. Remote Control

The CP propeller remote control system is to be of the combination type-joystick control, which is to be fitted at the aft console. On the bridge: - One (1) forward control - One (1) aft control In the Machinery control room (MCR)

Complete control system for the main engines, main generators and shaft generators shall be installed in the MCR.

Engine side control - Local control

705. Generators - Main

Three (3) identical marine diesel generating sets, heat exchanger cooled each rated approx 300 KW, 415V, 3 Phase, 50 Hz, 0.8 p.f. Each of the DG sets shall be capable of taking the ship’s load in all operating conditions, excluding BT, crane and cargo pumps. Shipyard to submit electric load chart before placing order for DG sets.

Two (2) shaft alternators, each of about 750 KW are to be provided for taking the maximum continuous load of the Bow Thruster and complete electrical load of the ship during sailing condition. One shaft generator shall supply the power while the other shaft generator and the main DG sets shall remain standby.

The three DG sets are to be able to operate in parallel, for automatic load sharing / transfer. All three diesel generators operating in parallel shall be able to run the BT while taking ships load without the crane and cargo pumps operation. (This will be used as back up arrangement). Each shaft generator alone should be able to meet the full requirement of BT including starting and continuous running and the ships load with the crane and cargo pumps in operation. Basic Design Characteristics: - Heat exchanger cooled - Battery start - 4 stroke - Engine mounted L.O, fresh water, fuel oil and raw water pumps - Engine mounted L.O. and fresh water coolers - Local start and remote start from ECR - Resilient mounting For alarms, safeguards and instrumentation see separate clauses.



706. Generator - Emergency

One (1) emergency diesel generator sets, radiator or air-cooled, rated approx 90 KW, 415V, 3 Phase, 50 Hz, 0.8 p.f battery starting to be provided. The generator should cater for the dead ship start arrangement, emergency steering, emergency lighting, emergency fire pump, search lights, flood lights, navigation equipments, galley load and ships. The emergency generator shall also be used as harbour generator and should be capable of taking complete harbour load. All necessary arrangements in accordance with Rules and Requirements are to be provided. Battery charging station with 24 V and 12 V starting shall be provided in the ER, connected from the Emergency Switchboard.

707. Bow Thruster Unit A certified transverse Bow Thruster unit of approved make and type is to be fitted with a thrust of approximately 8 tonnes. The unit shall be driven by a continuous duty motor (minimum 730 HP) and complete with controllable pitch propeller, all necessary controls and interlocks. Integrated control by the Joystick is to be provided at the forward and aft of the wheelhouse. Local emergency control should be available locally in the B/T compartment.

708. Fuel Oil Transfer Pump

One (1) gear pump is to be installed. Pump is to have a cast iron body with alloy steel rotor and shaft. Pump to have a capacity of 10M3 per hour against a discharge head of 30M. Pump is to be directly coupled to a 3 Phase, 50 Hz, 415 V motor complete with locally mounted starter. The pump and motor are to be mounted on a combined base plate. Pump to have one remote stop outside engine room. Cargo oil transfer pump - One (1) gear pump to be installed. The pump shall have cast iron body with alloy steel rotor and shaft. Pump to have a capacity of about 60M3 per hour against a discharge head of about 60M. A local and remote reading flow meter capable of being used for filling and transfer is to be provided. The flow meter shall also indicate in the wheel house and also print receipts for delivered / received quantity. Pump is to be directly coupled to a 3 Phase, 50 Hz, and 415 V motor complete with locally mounted starter. The pump and motor are to be mounted on a combined base plate. Pump to have one remote stop outside engine room at bunker station and in the

wheelhouse. 709. Well Killing Liquid Mud Pumps

Two (2) positive displacement screw pumps( Mission Magnum or similar) are to be provided each of about 100 M3/hr at about 70mwc. The pumps shall provide re-circulation for the contents in the tank to maintain its homogeneity. Provision for retro-fitting electric motor driven mechanical stirrer/agitator to be provided. The tanks, pumps and piping should be provided with SW flushing arrangement.



710. Bilge and Ballast Pump One (1) self priming centrifugal pump is to be provided for the above duty, being complete with 3 Phase 50 Hz, 415 Volts motor and locally mounted starter. The pump is to have a capacity of about 35 M3/hr at about 60M head and is to be complete with suction and discharge pressure gauges. The pump casing is to be of CI Casing, Bronze impeller and shaft of stainless steel, the glands being of mechanical seal type.

711. G.S. and Fire Pump

One (1) General Service and fire pump, connected to bilge, ballast and fire system. Pump to act as standby for main engine, air-conditioning and refrigeration cooling. Pump to be identical to bilge/ballast pump and cross connected to perform such duties and Vice-versa. Additionally, it must meet the capacity requirement for supplying cooling water to the main engines, one at a time.

712. Potable Water Cargo Pump

One (1) F.W. transfer centrifugal pump electric motor driven 415 volts 3 phase 50 Hz with a capacity of about 60 m3/hr when discharging at about 60m head to be provided. The pump casing is to be of cast iron, shaft of stainless steel and Impeller of bronze. Mechanical seals and adjustable relief valves are to be provided. A local and remote reading flow meter capable of being used for filling and transfer is to be provided. The flow meter shall also indicate in the wheel house and also print receipts for delivered / received quantity.

713. Pressure Set - F.W.

One (1) Fresh water pressure set complete with motor driven Hydrphore pump 5m3/h at 50 m and one (1) pressure tank of about 300 litres with maximum working pressure 5.5kg/cm2 with pressure relief valve.

714. Pressure Set – S.W. One (1) Salt Water pressure set identical to F.W. Pressure Set. Pump casing, impeller to be bronze and shaft to be stainless steel.

715. Pressure Set Standby Pump

One (1) pressure set standby pump 5m3/hr at 50 m with pressure relief valve and connected to F.W. and S.W. system with 3-way valve as standby. The pump same as SW pressure set. Spectacle blanks to be provided in interconnecting lines of FW and sanitary sea water systems.

716. L.O. Transfer Pump

One (1) horizontal gear pump of capacity 2 M3/hr at 15M head, 50 Hz is to be provided for LO system.

717. Sludge Transfer/Dirty Oil Pump

One electric driven horizontal positive displacement type screw pump installed in the engine room and shall deliver 5 M3/hr at 35 M head,



718. L.O. Purifier & Diesel Oil Purifier

One (1) electrical centrifugal lube oil purifier complete with electric heater, capacity about 1200 litres/hr. L.O Purification system shall be from M/E sumps and from L.O. settling tank. The water-in-oil content meter must be installed at discharge for continuous reading of the water content in oil and shall give alarm when water content reaches a preset level.

One (1) electrical centrifugal diesel oil purifier, with automatic control system and having a D.O Purification capacity of about 1200 litres/hr shall be installed. The Purifier shall draw diesel from wing tanks / settling tanks and discharge in to daily service tanks which shall overflow in to settling tanks. The settling tanks, in turn will overflow in to the designated overflow tank via the overflow alarm and monitoring system.

The water-in-Diesel content meter must be installed at discharge of the D.O. Purifier for continuous reading of the water content in Diesel oil and shall give alarm when water content reaches a preset level.

As far as possible, both purifiers should be identical. 719. Oily Bilge Separator

One (1) MARPOL standard oily water separator complete with pump and oily water discharge alarm etc. is to be fitted. Capacity 2 M3/hr with oil content less than 15 ppm.

720. S.W. Cooling Pump For Aircon And Refrigeration Plant

Two (2) self-priming centrifugal S.W. circulating pump of suitable capacity, electrically driven is to be fitted to serve air-conditioning ands refrigeration system. Pump casing is to be of Bronze. Standby duties to be by G.S. pump.

721. Engine Cooling System

The main engines are to be heat exchanger cooled. The following equipment to be supplied (per ship): - Engine mounted F.W. pumps (one kit pump to be provided as spare) - Engine mounted S.W. pumps (emergency supply from G.S. pump and one kit pump to be supplied as spare) - F.W. compensation tanks (One for each engine) - Heat exchangers (One for each engine) The auxiliary diesel engines are to be heat exchanger cooled: This system must be totally separate and independent of the cooling system of main engines. One (1) F.W. kit pump and one SW kit pump is to be provided for the diesel generators.

722. Air Compressors - Starting Air Two (2) air-cooled starting air 2-stage compressors are to be provided for starting air.. Each to have a capacity of about 30 M3/hr FAD x 30 kg/cm2, or as as required by class. Each compressor to be coupled to a 415 Volts 3 Phase 50 Hz electric motor on a common base frame. Auto starter with pre-selection switch. For "deadship" start, power supply from emergency generator shall be utilised. For service air compressor & system refer to section 5- 507.



723. Lifting Equipment Lifting beams are to be fitted over each main engine and diesel alternator set to facilitate lifting of cylinder covers, liners, pistons, etc. Lifting arrangements are to be provided over major items of auxiliary machinery. All these are to be tested and certified for their SWL by the classification society / QP approved third party.

724. Steering Gear

Two (2) completely independent, electro-hydraulic rotary type steering gears, of about 2 x 7 TM torque capacity at 2 x 35 deg or as required by classification. Each steering gear shall have two hydraulic pumps working in ‘Auto stand by mode’. One of these pumps for each steering gear system shall be supplied from the emergency generator via emergency switchboard. Bedplates, actuator, locking valve, solenoid valve, filter, motor, starter, steering column, steering switch and other necessary fittings are to be provided. Two (2) rudder indicator of Panorama/dial type are to be fitted on/above the aft console in W/H at eye level. Two (2) panorama type helm indicators will be fitted above the forward console. Mechanical stoppers are to be provided at the side of each tiller. Steering gear control is to be from forward and aft consoles in wheelhouse. Aft indicators should be suitable for operating facing aft. The system shall be interfaced with ‘Joystick’ control. Selector switches for FFU, NFU, Synchro etc. shall be provided at both consoles.

725. Stern tubes Two fabricated mild steel stern tubes are to be supplied and fitted, secured at the bulkhead and at the "A" frame boss. Each is to be fitted with white metal lined bushes, and arranged for oil lubrication. The stern tubes are to be fitted with seals, all in accordance with CP Propeller manufacturer's standards. Two (2) stern tube oil tanks are to be fitted and arranged, one to feed each tube by gravity. The tanks are to have air release arrangements, an oil level gauge, and low-level alarm provided.

726. Propellers

Two (2) four bladed controllable pitch propellers are to be supplied, operating in fixed nozzles. The Kort Nozzles shall have stainless steel wear ring welded on the inside where the blades rotate in the nozzle. Propeller material to be of approved nickel aluminium bronze and are to be manufactured to ISO/TC 8 Class II standard and statically / dynamically balanced. Propellers are to be designed to give speed performance as specified. 2 spare propeller blades for each propeller and one spare propeller blade for each bow thrusters shall be provided and mounted on board in appropriate place.

727. Tanks - Minor

The following minor tanks are to be sited in the engine room and arranged with all necessary filling, drain and outlet connections, air pipes, manholes, etc. 2 - daily service oil fuel header tanks, each sufficient for 24 hours running of two main

engine and one generator. 2 – Settling tanks of appropriate capacity

2 - built in clean lubricating oil storage tank (one each for main engines and Diesel generators)



2 - fresh water header tanks for main engines 1 - stern tube lube oil storage tank 2 - stern lube oil header tanks 1 - dirty oil tank 1- sludge tank 1 - Header tank for LO Purification

728. Floor Plates, Handrails And Gratings

Ladders and gratings are to be furnished to provide adequate access to equipment, handrails and stanchions being fitted as required. Floor plates are to be fitted in Engine room and bowthruster room around all equipment and extend to ship sides or bulkheads as far as practicable. Floor plates are to be 5mm thick chequered steel plate. They are to be supported on angle steel supports and are to be removable for access to tank tops and are to be provided with lifting holes. The arrangement is to be of sufficient strength to support machinery components during inspection and maintenance. Shallow coamings are to be provided where necessary around openings in floor plates. Handrails and stanchion are to be arranged as required. Raised platforms, for maintenance and operation of machinery, shall be provided as necessary. Suitable guards shall be provided over the couplings of all rotating machinery to ensure that hand or finger cannot touch the rotating machinery. Suitable gratings / platforms shall be provided around the main engines, diesel generators, gearboxes for carrying out maintenance around / on these machineries.

729. Ventilation

Engine room : Two (2) forced supply and two forced exhaust. The exhaust fans shall be installed at Monkey Island above the funnels. Means for remote closing of vent flaps/louvers of exhaust fans shall be provided.

Wash places and Galley : Forced exhaust and natural supply Bow Thruster : Forced supply and forced exhaust (interlock with supply

fan for preventing vacuum) 730. Engine Exhausts

In addition to the built in spark arresters, all diesel engines will be fitted with spark arresters at the end opening to the atmosphere and pipes efficiently lagged.

731. Sewage Treatment Plant

One (1) Sewage Treatment Plant of approved type suitable for 50 men capacity, to comply with MARPOL Regulations.

732. Stand By Pumps

Stand-by/Kit pump for Main Engines, Auxiliary diesel engines, CPP systems, gearboxes are to be provided as mentioned in cl.721 and as stated below. Additionally, spare kit pumps shall be provided one each for main engines, Diesel generators, CPP systems and gearboxes. - Attached fuel supply pump - Attached – Lub oil supply pump



- Attached air / battery starter – 1 each - Attached lube oil pumps on gear boxes - Attached pumps for CPP system on gearboxes

733. Emergency Fire Pump One (1) electric motor driven emergency fire pump is to be provided. It is to be of self-priming, centrifugal type with a capacity 25m3/hr at 25m head or as per SOLAS.



SECTION 8 – ELECTRICAL

800. General The electrical installation is to be made in accordance with the requirements of the Classification Society and IEC latest regulation. All electrical equipment shall be constructed of durable flame retarding, non-hydroscopic materials, which shall not be subject to deterioration in the atmosphere and at the temperature to which it is likely to be exposed. All conductors, switchgear and accessories shall be of such size as to be capable of carrying the maximum current, which can normally flow through them without their respective ratings being exceeded. Insulating materials and insulated windings shall be resistant to moisture, sea air and oil vapour in tropical conditions. The design of all equipment shall provide for accessibility to parts requiring inspection. Enclosing cases for electrical equipment, junction boxes etc. to be of adequate mechanical strength and rigidity to protect the contents and to prevent distortion under all likely conditions of service. Where necessary all electrical equipment shall be suitably suppressed to satisfactory radio operation. All indication lamps, As far as possible should be of LED type of about 8-10 mm size. General colour code to be adopted (Red, amber, green). Specification/brochures of all wires, cables and fittings intended for use on the vessel shall be submitted to the site representative of owner’s for approval prior ordering.

801. System Of Supply 415 Volts, 3 Phase, 50 Hz - for power. 230 Volts, 1 Phase, 50 Hz - for general lighting, emergency lighting, navigational lighting and

power less than 3 KW. 24V D.C - for alarms, controls, radio and navigation aids. 415/230V, 3 Phase, 50 Hz emergency generator for emergency lighting, navigational lighting,

communication, alarms and steering gear system, Harbour loads, one main air compressor, Domestic FW & SW pumps, welding transformer, and workshop equipment.

In addition to 230V, 1 phase, 50 Hz electrical sockets, 2 nos. 110V, 1 phase, 50 Hz sockets shall be provided in the workshop, and on the main deck. The sockets are to be different type from the 230 V sockets, to prevent accidental wrong plugging.

802. Power Supply

AC System The electrical generation plant on board this vessel comprises: Two (2) – 750 KW, 415V, 3 phase, 50 Hz, 0.8 PF alternator P.T.O. from main engine

Three (3) – 300 KW, 415V, 3 phase, 50 Hz, 0.8 PF alternator driven by auxiliary diesel engines.

The auxiliary diesel engine driven alternator sets are able to run in parallel and continuously when required. The generator sets must therefore be suitable for parallel operation and must be completed with necessary control kits for continuous parallel operation and auto load sharing in proportion to their capacity.

The shaft generators shall be capable of continuous parallel operation with main generators and between shaft alternators for a period of 30 minutes for load transfer. A tiebreaker is to be provided between the MSB and the common bus bars of shaft generators. The shaft generators shall supply the MSB during cruising.

i) Two (2) 60 KVA, 50Hz, 415/220V step-down transformers Delta-Delta connected for the 230V supply

ii) Two (2) 30 KVA, 50Hz, 415/220V step-down transformers Delta-Delta connected for emergency supply



iii) One (1) 20 KVA, 50Hz, 415/110V step-down transformers Delta-Delta connected for the 110V supply.

iv) 3 nos. reefer connections (for refrigerated containers) are to be provided on the main deck. Capacity of each reefer socket shall be 35 Amperes 5 pin type (3P+1N+1E). Reefer sockets are to be of standard universal type.

v) All electrical sockets/plugs etc, shall be of British type. vi) 3 Nos 30 m length cable with 5 pin male and female sockets on either side to be provided. Emergency Supply: One (1) 90 KW output diesel driven emergency generator to be provided c/w an independent day tank for at last 18 hours continuous running. Emergency generator to have sufficient capacity to cater for emergency lights, navigation lights, flood lights, search lights, intercom system, navigation aids, fire detection and alarm system and aldis light for 18 hours. This generator sets should be able to take the entire harbour load (without cargo operations) when feeding to MSB and shall be arranged with independent automatic battery/air starting in the event the main power supply fails.

Shore Supply: A 300 Amp T.P 415/3/50, 3-wire watertight shore supply complete with kwh, phase meter, connection box, sequence indicator, circuit breaker and connected to the main switchboard. One length of 30m cable c/w terminal connections is to be supplied, to connect between the shore & shore connection. The shore connection box to be placed on the main deck within the superstructure and connected to shore supply through watertight bulkhead opening.

The shore connection box is to include: Ammeter Voltmeter Power Indicator Light Phase Indicator Frequency meter D.C Supply:

i) The 24V DC supply is to be obtained from 1 bank of 200AH, 24V DC regulated output transformer/rectifier with the input coming from the main switchboard. A second unit is to be provided as ‘spare’ to meet classification requirements.

ii) A 24V DC supply for the radio is to be obtained from 2 banks of 24V, 200AH batteries via the radio battery-charging panel.

iii) Emergency Generator starting battery with float charger. iv) One (1) 40A, 24V DC output static battery charger to be provided.

803. Switchboard - Main The main switchboard shall be of opened hinged front and opened back screw type and arranged in the engine room. A fixed louver complete with fine insect netting shall be installed in the back plate. It shall be fitted with copper bus bars at the upper rear part of the switchboard, moulded case circuit breakers, voltmeters, ammeters, frequency meter and earthing for controlling the entire A.C. system. For generator protection the generator circuit breakers shall have under voltage trip inverse time over current and instantaneous trip devices. Synchronising equipment for Auto and manual parallel operation of diesel driven generators shall be installed with synchronising lamps, digital synchroscope (LED), selector switch for generators, dual frequency and voltage meter, governor motor switch etc.



Auto load sharing and auto starting, in case of unstable bus, of the first standby generator and if failed should start the second standby generator. An alarm for the low busload and a switch for auto load sharing are to be incorporated. Shaft alternators shall be capable of running in parallel with the DG sets for short duration to facilitate transfer of loads. In addition to under voltage and over current relays, a reverse power relay for trip shall be provided. Earth test arrangement to be provided. Care is to be taken for appropriate arrangement of switches, fuses, protections and control equipment to ensure ease of maintenance and operation. Interlocking between shore power connection and shaft, main generators shall be fitted. An earthing indication light and testing switch shall be fitted and also a selector switch for ammeter and voltmeter. The internal wiring of the switchboard shall be carried out in EPR insulated wire to Classification and specification with a maximum operating temperature and having the following insulation grades: Power Cables: 660 volts Control Cables: 250 volts On completion of manufacture the switchboard shall be subject to an electrical voltage test of 2000 volts at a frequency between 25 to 100 cycles in accordance with Classification requirements.

All necessary detailed drawings and material list shall be submitted to the Owner’s Representative (two sets) for approval prior to commencement with manufacturing of the switchboard.

A rubber-insulating mat of 2000V shall be laid full length in front of and behind the MSB, ESB, and starter panel of bow/stern thrusters. It shall have a minimum width of 600 mm and thickness of 12 mm.

All components throughout the switchboard shall be provided with white-black-white triplicate nameplates clearly indicating the components service and normal full load current ratings. The plates shall be secured with brass pins or screws.

An insulated handrail shall be fitted to the front of the switchboard; it shall be at a convenient height and run the full length of the switchboard.

Voltage, frequency and ammeter shall also be provided in the shore supply section of the MSB.

Operation The design shall ensure that, during the cruising, the electrical equipment can be fed either by main generators or by the shaft generator (s).

The necessary arrangement shall be made to guarantee an uninterrupted operation of all essential consumers in case that the loads have to be taken over by stand-by generator.

In harbour, emergency diesel generator or shore connection box with 415 V, 3 phases, 50 Hz, shall feed the electrical equipment instead.

804. Switchboard - Emergency One (1) emergency switchboard similar in construction to main AC switchboard and shall be fed via a bus tie cable from main switchboard in normal operating conditions for the control of one (1) 90KW, 415V/3 Ph/50 Hz/3 wire, radiator-cooled diesel engine driven alternator set. During normal operation the emergency switchboard shall receive power from the main switchboard. Distribution of electrical power shall be made available both at 415V and at 230V levels. The 230V distribution shall be derived from a 415/230V transformer.

805. Switchboard - 24v D.C The 24 volt D.C. switchboard shall be provided for battery charging and distribution of DC sources. It shall be equipped with all necessary voltmeters, ammeters, isolation, changeover and selector switches for battery charging and circuit breakers, as required. A dummy push button switch to simulate power failure shall be incorporated.



24 V DC Switchboard will serve for the following 24 V DC consumers 24 V DC radio battery charging panel

806 Power Management System (PMS) The PMS to handle the entire control of the all the generator including shaft generator and emergency generator The following functions to be implemented in the PMS. Manual start / stop. Load dependant start / stop. Automatic standby start after black-out and automatic sequential restarting of essential equipments. Sequential starting selection / automatic changeover of generators. Automatic synchronising and load sharing. Load and frequency control. Heavy consumer control / preferential trip. Automatic operational modes including harbour and emergency mode. Min. following functions to be available on operator station: Total available power Total power in consumption KW – meter each bus Bus breaker indication (open / closed) Start sequence selection Operational Mode selection (min. No. of gen. set). In addition for each Main Generator set to have KW – meter Frequency meter Running indication Connected to bus indication (breaker status) Auto / manual selection and indication Alarm conditions One repeater panel of the power management to be available in wheel house.

807. Cable Installation All cables shall be EPR/XLPE insulated PVC sheathed or equivalent and subject to acceptance by Classification. Main power cables in ER and exposed deck, where exposed to damage, are to be armoured type and PVC outer sheathed or taken through steel conduits. Care shall be exercised in the run of all cables to avoid areas of excessive temperature, action from condensed moisture or drip and protected from risk of mechanical damage. When required, the water tightness of the cable ends situated below the bulkhead deck shall be ensured by appropriate means at the time of installation. Normally cable runs shall not include joints. If a joint is absolutely necessary or desirable, it shall be carried out in a suitable box of such design that the conductors remain properly insulated and protected from atmosphere action, and fitted with terminals and rectangular bus bar. In toilet and washroom areas as far as practicable only cables absolutely necessary for the supply of equipment used in these spaces shall be permitted. All cables to be regularly colour coded or labelled. Penetration of watertight decks and bulkhead shall be effected in watertight manner. Lighter individual stuffed glands or boxes containing several cables and filled with fire retarding packing shall be used for this purpose.



Passage of cables through tanks must be avoided and if essentially required then same to be taken through sealed conduits.

808. Cable Colours Vessel current carrying parts of different polarity shall be clearly marked with internationally accepted distinguishing colours, for guidance as follows: RED : PHASE ONE YELLOW : PHASE TWO BLUE : PHASE THREE

809. Cable Tray/Supports Cables within machinery spaces shall be secured by approved type saddles onto perforated galvanised steel tray/galv’d cable ladder. In accommodation spaces, cables shall be run behind panelling in horizontal or vertical run in an orderly manner and clipped to straps welded to frames. Where it is not practical to run cable behind panelling the cable shall be covered with battens. Cables subject to weather or mechanical damage shall be run suitably supported in conduit pipe with welded unions. Pipe shall be smooth on the interior and not subject to deterioration from the effects of moisture. The pipes shall have their ends shaped or bushed in such a way as not to damage the cable covering. The pipes shall be mechanically and electrically connected to terminating boxes.

810. Electric Distribution Distribution shall be by the three wires with neutral earthed system. Distribution of power throughout the vessel shall be generally as described.

811. Distribution Boards Distribution boards situated in Accommodation spaces shall be installed in an easy accessible manner. Outgoing circuits, shall be fitted with nameplates indicating the circuits, maximum amps, and rating of fuse fitted. A.C. and D.C. distribution boards are to be double pole type. Power and lighting distribution boards in number and size as necessary.

812. Switch Panels Switch panels shall be sited at the wheelhouse and all outgoing circuits fitted with nameplates indicating the circuits. Radio Switch Panel (24V D.C.) The radio switch panel shall be powered from the radio battery via the radio-charging panel. It shall be fitted with indication lights, ampere and voltage meters, fuses, circuit breakers and alarm indicator. Navigation Light Switch Panel (24V D.C.) This panel shall be fitted with a built-in transformer rectifier of 230V AC/24V DC indicators, switches, buzzers, fuses, failure alarm indicator and changeover switch. Main supply is obtained from 230/1/50A.C supply and emergency from the main batteries.

813. Motors All motors shall be suitable for working in climatic conditions and in accordance with the requirements of Classification. Generators and motors in excess of 50 KW shall have built in space heaters.

814 Motor Starters All motor starters to be suitable for marine use and provided with single phasing overload protection and running indication. The starters are to be of magnetically operated type.

All motor starters shall be tested in accordance with Classification.



All motor starters shall be enclosed in 16 SWG quality bright mild steel cases. The applied paint shall be treated in accordance with Classification Regulation.

All cut-outs and door edges shall be suitably sealed with gaskets, ensuring that the case is both dustproof and water jet proof.

Every starter shall have the load break insulator mechanically interlocked with the case door, ensuring power is off when door is opened.

All outgoing cable terminations shall be located above in removable gland plate located in the base of the case thus providing ready access to terminals and glands.

A starter shall be provided for all electric motor of 0.5 hp and above.

Motors up to 10KW rating shall be started by means of a ‘DIRECT ON LINE’ type starter. Motors between 10KW and 50KW shall be started by means of a “STARDELTA” type starter. Motors above 50KW shall be started by means of soft starters/ Auto transformer starters. All motor above 5 KW shall be provided with ampere meter. Motors for purifiers and M/E turning gears shall be provided with ammeters.

All the motor starters for oil related pumps, heaters and fans to engine room shall be fitted with remote stop stations located one in the passageway outside the machinery space and one in the wheelhouse. For discharge of oily bilge water, a stop push button shall be installed externally near the gangway (P&S). All motors above 5 KW to have hour meters fitted.

815. Transformer Two (2) step-down 3-phase transformers (415/230V, 50Hz, 3P) one as 100% standby, shall be installed in Engine Room to provide for general lighting and power supply for the vessel. Two (2) step-down transformer for emergency power. One (1) step down transformer rectifier shall be installed in the Navigation light switch panel. It shall be of the open type rated for an input of 230V, 1 phase, 50 Hz, with an output of 24V D.C. This transformer rectifier shall be in the normal supply to the navigation lights.

816. Storage Batteries All batteries shall be of the lead acid type. All batteries shall be installed in steel or GRP watertight ventilated boxes on the bridge deck. The batteries shall be sat on non-absorbent insulating supports with similar spacer blocks at the sides to secure air circulation space all round the battery. The battery space shall be painted with a corrosion resistant paint.

817. Shore Connection Equipment Provision shall be made to connect a 300A, 415 Volt, 3 Phase, 50Hz, supply from shore to the main switchboard. A drip proof supply switch fuse box with male type plug receptacles shall be fitted on the main deck in a convenient position and be permanently wired via a changeover switch, and phase reversal switch to the main switchboard. The system shall be arranged so that it is not possible to parallel ship’s alternators with shore supply. The connection box shall be complete with circuit breaker, phase sequence indicator, pilot lamps and socket.

818. Fuses And Circuit Breakers Fuses circuit breakers used throughout the installation shall be of the Classification approved type and shall be suitably sized to circuit requirements.

819. Switches All switches in the accommodation are to be flush mounted and switches in the engine room and other machinery and watertight compartments are to be watertight and metal mould (marine type)



Control switches shall be suitably sized to circuit requirements. All switch, sockets, plugs etc shall be UK type (British type) suitable for use in Qatar.

820. Sockets And Terminals Cable sockets and connecting terminals shall be of such dimensions that the maximum current likely to flow through them shall not produce heat, which would be injurious to the installation. Where soldering is adopted for securing cable sockets and connecting terminals, corrosive solid or liquid flukes shall not be used. Accommodation: - Non-watertight 230/1/50, 3 pin switch sockets, flush or surface mounted shall be fitted throughout the accommodation spaces.

Engine Room/Galley/Stores/Main deck Around 20 nos of watertight 230/1/50, 3 pin switch sockets, marine moulded type surface mounted shall be fitted throughout the engine room, galley, store space and main deck..

821. Lightings Cabins ; 230V A.C., 2 x 20W florescent Engine Room : 230V A.C., 2 x 20W, watertight and guarded florescent. Floodlights : 230V A.C., each 500W Halogen in way of liferaft areas. Floodlights : 1000 watts Halogen to deck – 7 nos..

822. Navigation Lights Double tier lens, navigation lights shall be fitted. The navigation lights shall be according to COLREG. All navigation lights shall be controlled by an indicator panel fitted in the Wheelhouse. Each navigation light shall be controlled and protected by a double pole switch and fused on each conductor. A visual and audio indicator for light failure shall be fitted.

823. Emergency Lights Emergency light is to be provided and fitted at strategic points in the wheelhouse, lobby, steering gear, bow thruster and cement tank compartments, engine room, at entrances, galley, mess and radio area. All to Classification and relevant Authority requirements. Emergency lights shall be automatically energised on failure of main A.C. supply and shall form part of the normal lighting system.

824. Fire And General Alarm Fire and general alarm supply system is to be taken from 230V A.C. and the 24V D.C. supply. Alarm push buttons are to be fitted in wheelhouse, forecastle deck, main deck, bow thruster compartment and engine room. Alarm bells are to be sited in wheelhouse, forecastle, and main deck lobby. An alarm horn is to be installed in the bow thruster compartment. In the engine room, an alarm horn complete with a red rotating beacon is also to be fitted. The installation shall meet SOLAS, Classification and relevant Authority requirements.

825. Main And Auxiliary Engine Instrumentation And Alarm To be in accordance with Classification Society requirements. All alarm shall be operated on 24V D.C. supply. The main engine shall be supplied from D.C. main switchboard. All the engines and low-level alarm should be provided with a panel in the Engine Room and in the wheelhouse with visual and audio indicator. A steering gear visual and audio alarm indicator shall be provided.

Additionally, extension and group alarm panels are to be provided in cabins of C/E, 2/E and crew mess room. The duty station selector switch shall be provided in the ECR. Shipyard shall propose a comprehensive list of alarms and automation for owner’s approval.



826. Monitoring, operation and Control

The controls, automation and instrumentation shall be designed based on the Class requirement for UMS operation with the necessary alarm systems including extension alarms in order to allow vessel operation without continuous engine room manning.

Builder shall provide complete specification, detailed drawings for owner’s approval within 4 months of signing the contract.



SECTION 9 - SPARES & TOOLS

900. Maintenance and Workshop Tools

Lifting lugs suitable for use of chain blocks are to be fitted in the following positions: - Two (2) points above centre of each main engine. - One (1) point above each gearbox. - Two (2) points above each intermediate shaft. - Two (2) points above each generating sets - One (1) point above each pump. - Two (2) points on the outside of the hull and adjacent to each propeller. - Two (2) points on the outside of the hull and adjacent to each rudder. - One (1) point above each rudderstock on the underside of main deck. - One (1) 1-ton chain block - One (1) steel workbench with adjustable light and drawers and lockers with padlocks under in the engine room. - One (1) 6" vice mounted on the workbench. - One (1) pedestal grinder. - One (1) electrical portable drill. - One (1) set of assorted hand tools. - Two (2) steel sounding tapes for F.O. and F.W. - One (1) electrical hand inspection lamp with 10M wandering leads - Two (2) keys for sounding pipes screw plugs. - One (1) lot main engine standard tools. - One (1) lot generator standard tools. - One (1) lot CP Propeller standard tools.

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SECTION 10 – APPROVED MAKERS LIST. Item MakersMachinery Main Engine. Wartsila, MAN, Daihatsu, Yanmar. Gear Box Reinjites, MAN, Wartsila, ZF Conventional CPP System Berg, Schottel, Wartsila-Lips, MAN Steering Gear Rolls Royce, Becker, Jastram Bow Thruster Rolls Royce, Schottel, Lips, Berg Main DG & Emergency DG Caterpillar, Volvo, Man Lindenberg, Daihatsu Motors & Drives Leroy Somer, ABB, Alstom, Stamford. Switch Boards, Distribution boards, Transformers, Power management system

Terasaki (Japan), Marine Electricals, CMR, ABB

Integrated Alarm System Kongsberg, Rolls Royce, Marine Electricals, Alstom

Hydraulic Deck Machinery Karmoy, Hatlapa, Cargotec Deck Crane SORMEC, EBI Cranes, TTS, Cargotec

Fire Pump Kvaerner, Hamworthy, Allied Pumps, FFS Fire Monitors Hamworthy, Kvaerner, Skum, FFS Pumps & Hydrophore Desmi, Bombass Azcue, All Weiler Starting air compressors Hatlapa, Sperry, JP Sauer, Oily Water Separator Hamworthy, Ocean Clean, B + V

Industrtrietechnik. Sewage Treatment - Biological Hamworthy, Envirovac, Hamman. Air Conditioning System Bitzer, Carrier, Sabore, York Refrigeration Plant Bitzer, Carrier, Sabore, York Purifiers Alfa-Laval, Westfalia Navigation Equipment JRC,Furuno, Anschutz. DGPS Seatex, Trimble, Gyro Compass Anshutz, Sperry, Tokimec Auto Pilot Anschutz, Simrad Communication Equipment JRC, Zeintel, Sailor GMDSS Sailor, JRC, Furuno, Search Light Francis, Glamox, Norselight Tank Gauging System GWK, Rolls Royce, Kongsberg Marine Growth Prevention System Cathelco, Corintec, KC Ltd., Valves Econosto, Keystone, Apollo, KS Valve (India),

Medana & Visca Paint Hempel Fast Rescue Boat & Davit Norsafe , Viking Life Rafts Norsafe, Viking Galley Equipments. Beha, Electrlux or European equivalent. Washing Machine, Drier etc. Beha , Electrolux or European equivalent. Refrigerator, TV etc. Owners, Choice ( International Brand) Fixed and Portable firefighting items Unitor, Thorn Security, Zeal, Tyco Fire Detection Equipment Unitor, Autronica, Thorn Security, Tyco H2S & LEL detectors Industrial scientific, Draeger Breathing apparatus Tyco Scott. Cables Nexan, Helkema, Atlas, Triangle

Note : All selected equipment should have service facility available in middle East.

Documents

2x WLSV - Specification Rev 0