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TANGEDCO2X660 MW ENNORE SEZ STPP
AT ASH DYKE OF NCTPS, CHENNAI
TECHNICAL SPECIFICATION
FOR DEBRIS FILTER (DF).
Specification No. : PE-TS- 412-165-N001 (REV. 0)
VOLUME -IIB
BHARAT HEAVY ELECTRICALS LIMITED POWER SECTOR
PROJECT ENGINEERING MANAGEMENT PPEI BLDG., SEC-16A, PLOT NO. 25
NOIDA – 201301 (UP)
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001FOR VOLUME : II B
DEBRIS FILTER (DF) REV. NO. 0 DATE :15.06.15
PREAMBLE SHEET 1 OF 2
1.0 The tender document contains three (3) volumes. The bidder shall meet the requirements of all the three volumes.
1.1 Volume -I CONDITIONS OF CONTRACT This consists of four parts as below :
Volume - I A : This part contains instructions to bidders for making bids to BHEL.
Volume - I B : This part contains general commercial conditions of the tender and include provision that vendor shall be responsible for the quality of item supplied by their sub-vendors.
Volume - I C : This part contains special conditions of contract.
Volume - I D : This part contains commercial conditions for erection and commissioning site work, as applicable.
1.2 Volume - II TECHNICAL SPECIFICATIONS Technical requirements are stipulated in Volume II which comprises of :
Volume - II A : General Technical Conditions
Volume - II B : Technical specification including drawings, if any 1.2.1 Volume - II B : This volume is sub-divided into following sections:
Section - A : This section outlines the scope of enquiry.
Section - B : This section provides “Project Information”
Section - C : This section indicates technical requirements specific to the contract, not covered in Section-D.
Section - D :
This section comprises of standard technical specifications of equipments complete with data sheet A, B & C. Data sheet-A specifies data and other requirements pertaining to the equipment. Data sheet - B specifies data to be filled by the bidder (Data Sheet B is contained in Volume - III) Data sheet - C indicates data documents to be furnished after the award of contract as per agreed schedule by the vendor (as applicable).
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001FOR VOLUME : II B
DEBRIS FILTER (DF) REV. NO. 0 DATE :15.06.15
PREAMBLE SHEET 2 OF 2
1.2.2 Volume - III TECHNICAL SCHEDULES 1.0 This volume contains technical schedules and Data Sheets - B, which are to be
duly filled by the bidder and the same shall be furnished with the technical bid as per instructions given in Document No.PES-100-901 in Volume-III.
2.0 The requirements mentioned in Section C/Data Sheets-A of Section-D shall
prevail and govern in case of conflict between the same and the corresponding requirements mentioned in the descriptive portion in Section -D.
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS-412-165-N001 FOR VOLUME : II B
DEBRIS FILTER (DF) SECTION : A REV. NO. 0 DATE : 15.06.2015 SHEET 1 of 1
INDEX
SECTION TITLE A SCOPE OF ENQUIRY B PROJECT INFORMATION C SPECIFIC REQUIREMENTS C1 SPECIFIC TECHNICAL REQUIREMENTS FOR DEBRIS FILTER . C2 SPECIFIC TECHNICAL REQUIREMENTS (ELECTRICAL) C3 SPECIFIC TECHNICAL REQUIREMENTS (C&I)
D STANDARD TECH. SPECIFICATIONS D1 DEBRIS FILTER
� STANDARD TECHNICAL SPEC.NO. PE-TS-999-165-N001 � DATA SHEET-A � DATA SHEET-C � QUALITY PLAN
D2 ELECTRICAL SYSTEMS D3 CONTROL & INSTRUMENTATION SYSTEMS
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS-412-165-N001 FOR VOLUME : II B
DEBRIS FILTER (DF) SECTION : A REV. NO. 0 DATE : 15.06.2015 SHEET 1 of 1
SECTION - A SCOPE OF ENQUIRY
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS-412-165-N001 FOR VOLUME : II B
DEBRIS FILTER (DF) SECTION : A REV. NO. 0 DATE : 15.06.15
SHEET 1 of 1
1.00.0 SCOPE
This enquiry covers the design, manufacture, assembly, inspection, testing at manufacturer's and/or his sub-contractors works properly packed for delivery of the items and installation checks, commissioning, trial runs & PG Testing at site as follows:
1.01.0 Debris FIlters :
DEBRIS FILTER (DF) complete with all accessories as per the requirements specified in different sections of this specification for:
� 2X660 MW ENNORE SEZ STPP
The bidder’s scope also includes installation checks, commissioning, trial runs & PG Testing at site of DF.
1.01.0 The bids shall be evaluated as per NIT.
2.00.00 GENERAL TECHNICAL INSTRUCTIONS:
2.01.00 It is not the intent to specify herein all the details of design and manufacture. However the equipment shall conform in all respects to high standard of design, engineering and workmanship, and shall be capable of performing the required duties in a manner acceptable to Engineer/ Owner, who will interpret the meaning of drawing and specifications, and shall be entitled to reject any component or material, which in his judgement is not in full accordance herewith.
2.0.2.00 The omission of specific reference to any component/ accessory necessary for the
proper performance of the equipment’s shall not relieve the bidder of the responsibility of providing such facilities to complete the supply of the equipment’s at quoted prices.
2.03.00 In case of any deviation from this Technical specification (Vol. IIB) and General
Technical Conditions (Vol. IIC), the same shall be indicated in the schedule of deviations enclosed in Volume-III, Part-A. In the absence of duly filled schedules it will be assumed that the bid strictly conforms to the specification.
2.04.00 BHEL's/ Customer’s representatives shall be given full access to the shop in which the
equipment’s are being manufactured or tested and all test records shall be made available to him.
2.05.00 The equipment’s covered under this specification shall not be despatched unless the
same have been finally inspected, accepted and shipping release issued by BHEL/ Customer
2.06.00 Un-priced copy of price bid shall be furnished along with the technical bid.
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001 FOR VOLUME : II B
DEBRIS FILTER (DF) SECTION : C REV. NO. 0 DATE : 15.06.2015 SHEET 1 of 1
SECTION – B
PROJECT INFORMATION
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 1
SPECIFICATIONFOR
EPC CUM DEBT FINANCING CONTRACT
VOLUME II – GENERAL & SCHEDULES
CHAPTER 1
PROJECT SYNOPSIS
1.0 GENERAL BACKGROUND AND SALIENT FEATURES
1.1 Introduction Tamilnadu Generation and Distribution Corporation owns the proposed green-field 1320 MW (2 units of 660 MW each) Coal Based Thermal Power Station at Katupalli. This is an expansion of North Chennai Thermal Power Station (NCTPS) and located on some portion of the ashdyke of NCTPS.
1.2 Location The proposed site for main power plant is located near Ennore port (approx 5
kms). The nearest Railway station is at Athipattu Pudunagar (approx 5 kms)
All weather road from Pattamandri on the Thiruvottiyur-Ponneri district highway is the nearest road access. The nearest airport is at Chennai at a distance of 60 km.
1.3 Type of Plant The proposed 2x660 MW Super-Critical Power Project consists of coal fired steam generator connected to a reheat type steam turbine generator along with all the required auxiliaries. Circulating cooling water system is envisaged for condenser cooling.
The description and salient technical data of the Steam Generator, Steam Turbine Generator, Auxiliary systems, Electrical, Control & Instrumentation, Civil etc. are explained elsewhere in the specification:
1.4 PROJECT INFORMATION
Project Title : 2 x 660 MW Ennore SEZ Coal Based Supercritical Thermal Power Project at Ash Dyke of NCTPS
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 2
Owner : TAMIL NADU GENERATION AND DISTRIBUTION CORPORATION (TANGEDCO)
LOCATION
The site is located near Vayalur Village, Ennore
Latitude : 13017’ N to 130
Longitude : 80
18’ N 018’ E to 800
Distance from Chennai City : 35 km
19’ E
Nearest Airport is at Chennai at a
Distance of : 60 km Nearest Seaport is : Ennore Nearest Railway Station is : Athipattu Pudunagar (approx 5 kms) Meteorological Condition
Climate : Tropical ,very dry and hot summer, dry and cold winter and good rain-fall in monsoon accompanied with strong wind.
Climatological data : Ambient temp. (0
Annual Maximum Mean Temp
C)
41.5(0
C)
Annual Minimum Mean Temp 24(0
C)
Design Ambient temperature 35(0
C)
Relative Humidity Maximum 100% Minimum 36% Design 75%
Annual Rainfall
Maximum 2540 mm
Average 1600 mm
Minimum 1175 mm
Prevailing Wind Direction
Nov to Jan – From NW & NE
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 3
Feb to Mar – From East & SE
Apr to May – From South & SE
June – From SW
July to Aug – From NW
Sept to Oct – From SE & SW
Wind Speed 11.8 kmph (avg)
50 kmph (max)
Seismic Zone III as per IS:1893-2002
1.5 Access to Site
Site is well connected to all weather road from Pattamandri on the Thiruvottiyur – Ponneri district highway. Site is located adjacent to the Chennai – Howrah broad gauge line and thus well connected by rail also.
1.6 Plant Rating, Capacity, Availability, PLF Each of the two units shall have a Turbine maximum continuous rating (TMCR) of 660 MW at generator terminals based on the following site conditions.
� Ambient air temperature � Condenser cooling water inlet temperature of 33°C and 9°C
temperature rise across the condenser. � Generator power factor of 0.85. � Fuel specification as given elsewhere. � Design temperature for electrical equipment is 50°C.
The VWO capacity of the steam turbine shall not be less than 105% of TMCR flow at rated parameters. Boiler maximum Continuous Rating (BMCR) will be established to match the steam flow at VWO conditions, but BMCR flow shall not less than 108% of TMCR flow. The capacity of the unit is selected so as to deliver the rated output even after ageing that will occur between overhauls, as a result of deposition of salts in turbine blades, wear and tear etc. The plant load factor (PLF) being considered is 85%.
1.7 Power Evacuation
Power will be evacuated from the proposed thermal power station at 400 KV voltage level through 400 KV transmission lines . The power evacuation lines would be double circuit 400 KV lines which will act as Line in & Line out circuit.
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 4
1.8 Site Selection The following factors which influence the project site selection have been found very favourable to establish and operate the project.
a. Availability of fuel. b. Existing power plant c. Availability of adequate cooling water. d. Availability of adequate land for locating the power plant with
approach roads. e. Suitability of land from topographical and geological aspects f. Proximity of National Highways, Ports & Transport of fuel &
heavy equipment. g. Facility for interconnection with transmission and distribution
system for evacuation of power. h. Environmental aspects.
Total land required for the project is 500 acres which is under the possession of TANGEDCO.
1.9 Fuel
1.9.1 Source of Fuel Domestic coal requirement for the power plant will be sourced from Kalinga block of Talcher coal fields, Mahanadi and IB valley coal fields in the state of Orissa. Coal will be transported by sea. The port of dispatch and port of receipt for domestic coal would be Paradip port and Ennore port respectively. Imported coal shall be sourced from foreign countries through sea to Ennore port. Coal can be transported from coal mines to Ennore port by sea and unloaded at proposed coal berth-III. Further the coal can be transported to the proposed power plant through pipe conveyor which shall have a system capacity of 2 x 2000TPH. The steam generator shall be designed for the following conditions :
� Best Coal – 100% Imported Coal � Design Coal – 70% Imported & 30% Domestic Coal � Worst Coal – 50% Imported & 50% Domestic Coal
The analysis of fuel is given below :
1.9.2 Coal Analysis:
Coal Quality Parameters
SL.NO DESCRIPTION DOMESTIC COAL IMPORTED COAL1. HIGHER HEATING 2800 (GCV as 6250 ( GCV Air
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 5
VALUE -As Fired basis given Kcal/kg
received basis) dried basis) 5642 (as received basis)
2. TOTAL MOISTURE % During rainy season 20% ( inherent + surface)
16.5%
3. HGI Abrasiveness expected YGP Shale and sand stone content Feed coal size
45 to 55 Average 52 50 to 70 mg/kg 20% max. upto 50 mm.
51
DOMESTIC COAL
Sr. No. Particulars Units ParametersA. Proximate Analysis 1. Moisture % 16.00 2. Volatile Matter % 19.00 3. Ash % 45.00 4. Fixed carbon % 20.00 Total % 100 B. ULTIMATE
ANALYSIS, % ( As received)
1. Carbon % 27.70 2. Hydrogen % 2.60 3. Nitrogen % 0.52 4. Oxygen % 7.26 5. Sulphur % 0.50 6. Ash % 45.00 7. Moisture % 16.00 8. Carbonates % 0.38 9. Phosphorous % 0.04 10. Others % - Total % 100.00 C. Ash fusion
temperature deg C
1. Initial deformation, IT deg C 1100 2. Spherical, ST deg C 1200 3. Hemispherical, HT deg C 1300 4. Fluid, FT deg C - D. Ash Analysis, % 1. Sio2 % 59.54 2. Al 2 O3 % 29.00 3. Fe2O3 % 6.42 4. CaO % 1.50 5. Na2O % 0.08
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 6
Sr. No. Particulars Units Parameters6. K2O % - 7. TiO2 % 1.60 8. SO3 % 0.25 9. P2O5 % 0.51 10. MgO % 0.50 11. Others % 0.60 12. Total 100.00 E Resistivity of fly ash
Ohm - cm 1.73x 10^12
IMPORTED COAL
Sr. No.
Particulars Units Parameters
A. Proximate Analysis(As received)
1. Moisture % 16.50 2. Volatile Matter % 36.45 3. Ash % 6.62 4. Fixed carbon % 40.43 5 Total % 100.00 B. ULTIMATE ANALYSIS,
% (As received)
1. Carbon % 60.12 2. Hydrogen % 4.38 3. Nitrogen % 1.48 4. Oxygen % 10.37 5. Sulphur % 0.53 6. Ash % 6.62 7. Moisture % 16.5 8. Carbonates % - 9. Phosphorous % - 10. Others % - Total % 100.00 C. Ash fusion
temperature deg C
1. Initial deformation, IT deg C 1230 2. Spherical, ST deg C 1270 3. Hemispherical, HT deg C 1320 4. Fluid, FT deg C - D. Ash Analysis, % 1. Sio2 % 36.00 2. Al 2 O3 % 13.90 3. Fe2O3 % 14.80 4. CaO % 12.70 5. Na2O % 0.70 6. K2O % 1.70 7. TiO2 % 0.80
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 7
Sr. No.
Particulars Units Parameters
8. SO3 % 10.60 9. P2O5 % 0.20 10. MgO % 8.60 11. Others % - 12. Total % 100.00
The plant should be suitable to accept imported coal sourced from any country. The limiting parameters of imported coal are furnished below :
S. No.
Particulars Unit Parameter
1 Total Moisture (ARB) % Up to 23 (Max) 2 Ash (ADB) % Up to 20 (Max) 3 Gross Calorific Value
(ADB) Kcal / Kg 5800 - 6500
4 Sulphur (ADB) % Up to 1 (Max) 5 Fixed Carbon (ADB) % 30-50 6 Volatile Matter (ADB) % 25-45 7 HGI 45-60 8 IDT (Under Reducing
Atmosphere) Deg C 1100-1250
9 Size mm < 50
Note: ADB stands for “As dried Basis” and ARB for “As Received Basis”
1.9.3 Specification of LDO Specific gravity @ 15° C 0.8348 Gross calorific value, Kcal/kg 10400 Pour point “°C” max. 12 Flash point “°C” min. 66 Sulphur % “T” max. 0.5 K. Viscosity in Centistokes @ 50° C max. 7.5 Ash by wt. % 0.01 Water & sediment Vol. Max. % 0.25 1.9.4 Specification of HFO Flash point “°C” min. 66
K. Viscosity in Centistokes @ 50° C max. 370
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 8
Ash by wt. % 0.1 Water content by volume % max 1 Sediment by weight % max 0.25 Total Sulphur by weight % max 4.5
Gross calorific value, Kcal/kg 10800
1.9.5 Fuel Linkage TANGEDCO has approached Ministry of Coal through Ministry of Power for the long term linkage of Coal from the coal sources of Talcher or Mahanadi in Orissa.
The coal requirement has been worked as under:-
Coal required at MCR per hr. (Blended) 872 tonnes
Per day 20928 tonnes.
Annual 6.5 MTPA for 85% PLF
1.9.6 Fuel Transportation The coal shall be received at Ennore port. The coal will be transported by pipe conveyor from coal berth 3 in Ennore Port and then through 2 x 2000 TPH pipe conveyor to the bunker directly or to stockyard.
1.10 Source Of Water
1.10.1 Source
The raw water intake shall be from the existing cooling water forebay of NCTPS PHASE-II.
1.10.2 Chemical analysis of Sea Water:
As given in Annexure-1, Volume III, Chapter- 3.
1.10.3 Requirement The requirement of water for the plant will be for meeting the requirement of make up for the re-circulating cooling water system, dust suppression system in coal handling plants, ash disposal system and the RO/ D.M. water plant which will be supplying the power cycle make up requirements, etc. In addition the water requirements will be for drinking and service purposes. Water requirement is estimated as approx. 15523 m3
/hr.
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 9
1.11 Source of Equipment The proposed plant will be supplied, erected and commissioned on Single EPC basis.
1.12 Power Evacuation Plan
Power will be evacuated from the proposed thermal power station at 400 KV voltage level through 400 KV transmission lines . The power evacuation lines would be double circuit 400 KV lines.
1.13 400 KV GIS Switchyard The 400 KV Switchyard is proposed to have one and a half bus arrangement and
will comprise following bays/circuits : � 2 – Generator transformer bays � 1– Start up transformer bay
� 4 – Line Bays � 2 – Bus VT’s � 2 – Bus Reactor Bays � 2 – Spare bay (Equipped) � 1 – Equipped bay for future GT � 2 – Equipped bays for future lines
The switchyard will be complete with galvanized steel structures, lightning surge
arrestors, OPGW Equipment, CTs, PTs of suitable VA burden and accuracy class as required for measurement protection and communication, insulators, bus-bars clamps & hard wares etc. The switchyard will be controlled by computerized control and data acquisition (SCADA) system.
1.14 Average Yearly Generation
The average yearly generation is calculated considering the following.
� The expected plant load factor is 85 %. With this PLF the average
yearly generation will be around 11914 Million units.
1.15 INFORMATION FOR ENVIRONMENTAL APPRAISAL
1.0 GENERAL INFORMATION ABOUT THE PROJECT
1.1 Name / Title of the Project : 2 x 660 MW Ennore SEZ Coal Based Supercritical Thermal Power Project at Ash Dyke of NCTPS
1.2 Name of Owner : Tamilnadu Generation and Distribution Corporation (TANGEDCO)
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 10
1.3 Location of the Project : Near Vayalur Village, Ennore,
Tamil Nadu
1.4 Site where proposed plant is to be located
: Ash dyke of NCTPS
1.5 Capacity of the project under consideration
: 2x 660MW
1.5.1 Govt. land / Private land / others
: TANGEDCO land
1.5.2 Topographical feature, demographic profile & physiography
: Site has differential levels and require filling to maintain the desried grade level of +10.00 meter above MSL
1.5.3 Nature of soil
: Clayey soil
1.5.4 Distance from the nearest town / city / major human settlements
: Chennai -35 km
1.5.5 Population to be displaced : Nil
1.5.6 Distance from water source : Approx. 5 km (from Cooling Water Forebay of NCTPS Stage II)
1.5.7 Area of forest land, if involved
: Nil
1.5.8 Distance of forest from the site
: N.A
1.6 Is this an extension? If so indicate capacity ofexisting plant
: No
1.7 What is the ultimate capacity envisaged
: 2x660 MW
2.0 GENERAL ENVIRONMENTAL INFORMATION
2.1 Area of the land proposed to be acquired
: Refer Plot Plan Land already acquired
i. Area required for plant
: 500 Acres
ii. Ash disposal : 100 % dry fly ash disposal and
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 11
100% wet bottom ash disposal is envisaged to existing ash pond.
iii. Plant facilities : The area is adequate for locating all the required systems for 2x660 MW.
2.2 Area proposed to be built-up
or developed
: Power station will be built-up in the proposed site as indicated in the plot plan.
2.3 Specify site characteristics River basin/ estuarine / coastal / others
: Site is close to Buckingham Canal
2.4 Is the site situated in the forest area? Give following details
: No
2.4.1 Area
: N.A
2.4.2 Type of forests : N.A
2.5 Is site situated near to the forests? Give the distance from the site.
: N.A.
2.6 Give a description of the flora within 25 km of your plant site under the following heads
:
a. Crops : b. Forest : Refer details in the specification
elsewhere. c. Grass land : d. Endangered species : e. Others (Specify)
:
2.6.2 Give details of the following features, if they exist, within a radius of 25 km of the proposed site?
:
i. Fisheries : ii. Sanctuary / natural
park biosphere reserve
:
iii. Lakes / ponds / reservoir
:
iv. Stream / river : Buckingham canal is close to the site
v. Estuary / sea : Bay of Bengal is 5 km from site
DESEIN Volume-II: General & Schedules General Background and Salient Features
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT.No.03 /2013-14
Vol. II: 12
vi. Hills / mountains : vii. Historic / cultural /
tourist / archaeological scenic sites / defence installations
:
2.7
Human settlement
:
2.7.1
Total number of persons proposed to be employed
:
i. During construction
:
2500
ii. During operation
:
450(0.75person/MW) TANGEDCO
direct employees
DESEIN Vol.III: Mechanical WorksSea Water Treatment Plant
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/ P & E/ EE/ E/OT No.3 /2013-14Vol. III: 293
SEA WATER ANALYSIS
S.No. Parameter Unit Value (Range)1 Generala pH 7.94-8b Conductivity millisiemens/cm 43.8-44.1c Temperature Deg C 25-32d Turbidity NTU 20-40e Total Organic carbon
(total/ dissolved)PPM of C 2.4-2.84
f CO2 Mg/l <2g TDS Mg/l 39600-39740h BOD Mg/l 10-12i COD Mg/l 88-96j Oil & Grease Mg/l <10k Phenols Mg/l 0.08-0.09l Free Residual Chlorine Mg/l <0.22 Cationsa Cacium Mg/l 459-478b Magnesium Mg/l 1510-1516c Sodium Mg/l 10100-12000d Potassium Mg/l 358-450e Ammonia Mg/l 4.43-5.42f Stontium Mg/l 12.9-12.4g Barium Mg/l 1.55-1.58h Aluminum Total Mg/l 1-1.8i Aluminum Dossolved Mg/l 0.8-1.0j Manganese Total Micro g/l 0.2-0.6k Manganese Dissolved Micro g/l 0.1-0.2l Iron total Micro g/l 220-260
m Iron Dissolved Micro g/l Below detectable limit (detectable Limit : 10)
3 Anionsa Chloride Mg/l 18994-19194b Sulphate Mg/l 3710-3949c Nitrate Mg/l 136-152d Nitrite Mg/l 0.46-0.62e Bicarbonate Mg/l 144-148f Carbonate Mg/l Nilg Fluoride Mg/l 2.64-2.8h Boron Mg/l 0.14-0.17i Phosphate Micro g/l 240-380j Sulphide Micro g/l Below detectable limit
(detectable Limit : 100)k Silica Dissolved Micro g/l as SiO2 200-2504 Heavy MetalsA Arsenic Micro g/l Below detectable limit
(detectable Limit : 2)B Mercury Micro g/l Below detectable limit
(detectable Limit : 1)C Cadmium Micro g/l 120-130D Copper Micro g/l 200-220E Nickel Micro g/l 470-490F Molybdenum Micro g/l Below detectable limit
(detectable Limit : 100)
DESEIN Vol.III: Mechanical WorksSea Water Treatment Plant
2 x 660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/ P & E/ EE/ E/OT No.3 /2013-14Vol. III: 294
5 Suspended Particle Size Range
A 10 micron & above Mg/l Below detectable limit(detectable Limit : 10)
B 5 micron to 10 micron Mg/l Below detectable limit (detectable Limit : 10)
C 1 micron to 5 micron Mg/l Below detectable limit (detectable Limit : 10)
D 0.1 micron to 1 micron Mg/l 20-266 Colloidal Particle Size
RangeA SDI (10 Minutes) - 10-20B SDI (5 Minutes) - 20-407 Density of sea water Kg/ cum 1030
Note : Unless otherwise indicated all elements shall be expressed in respective ionic form only.
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001 FOR VOLUME : II B
DEBRIS FILTER (DF) SECTION : C REV. NO. 0 DATE : 15.06.2015 SHEET 1 of 1
SECTION – C
SPECIFIC REQUIREMENTS
SECTION C1 : DEBRIS FILTER (MECHANICAL) SECTION C2 : ELECTRICAL SYSTEMS
SECTION C3 : C&I SYSTEMS
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001 FOR VOLUME : II B
DEBRIS FILTER (DF) SECTION : C REV. NO. 0 DATE : 15.06.2015 SHEET 1 of 1
SECTION C1
DEBRIS FILTER
(MECHANICAL DETAILS)
16 TITLE : TECHNICAL SPECIFICATION SPEC. NO: PE-TS- 412-165-N001
FOR VOLUME : II B SECTION: C1
DEBRIS FILTER(DF) REV. NO. 0 DATE : 15.06.2015
SHEET 1 OF 9
1.0 GENERAL
The Debris Filter complete with all accessories shall conform to the standard technical specifications (Section-D) and Data Sheet-A enclosed herewith. In addition the requirements of this shall also be complied with. However, wherever the details given in Section-D and Data Sheet-A are different, the requirements of Data Sheet-A shall prevail. Similarly in the event of contradictions between Section-C & Section-D/ Data Sheet-A, Section-C shall prevail. Section C consists of 3 parts viz. Sec. C1, C2 and C3 for Mechanical, Electrical and C&I respectively, the requirements of all 3 sections shall be complied with.
2.0 DESCRIPTION OF EQUIPMENTS :
2.1 Debris Filter (DF) :
The Debris Filter where specified shall be installed on each CW inlet line to condenser to arrest floating matter and prevent clogging of Condenser Tubes. The condenser of each unit shall have two inlet CW lines, the debris filters shall be installed at upstream of COLTCS ball injection. The water analysis is attached as annexure-A with project information in section B.
3.0 SCOPE OF SUPPLY UNDER THE SPECIFICATION IN THE BIDDER’S SCOPE FOR
DEBRIS FILTER. 3.1 The scope of supply for Debris Filter covered under this specification is as under.
The size, MOC’s and other particulars of the equipments for projects are detailed in Data Sheet A annexed with Section – D of the specification.
SL.NO. PROJECT DEBRIS FILTER 1. 2X660 MW ENNORE SEZ STPP
AT ASH DYKE OF NCTPS, CHENNAI
2 SETS PER UNIT viz. TOTAL 4 SETS FOR BOTH UNIT.
16 TITLE : TECHNICAL SPECIFICATION SPEC. NO: PE-TS- 412-165-N001
FOR VOLUME : II B SECTION: C1
DEBRIS FILTER(DF) REV. NO. 0 DATE : 15.06.2015
SHEET 2 OF 9
3.2 SCOPE OF SUPPLY OF DEBRIS FILTER INCLUDED IN THE BIDDER’S SCOPE :
3.2.1 Each set of Debris Filter (DF) shall comprise of following :
a) Flushing pump with drive Motor (if required) - 1 No.
b) Complete Interconnecting (As Applicable) & Debris disposal Pipe work, including flanges/counter flanges for pipes, bends, fittings, distributors, nozzles and support installation materials shall be in Purchaser’s scope. However, valves along with its Flanges/Counter Flanges/Gaskets/Nuts & Bolts shall be in Bidder’s Scope. Isometric Drawing along with BOM for interconnection piping, flanges/counter flanges for pipes, bends, fittings, distributors, nozzles and support installation materials inline with approved Installation Drawing to be submitted by the Bidder within 4 weeks after approval of the Installation Plan. Minimum Pipe Size to be considered by the Bidder for all interconnecting (as applicable) & Debris disposal piping shall be 200 Nb.
c) Filter body/ housing Vent and drain connections along with their isolating valves.
d) Length of Debris Filter, Scope of Counter Flange, Nuts and bolts shall be as per Annexure-I of section C1.
Thickness of body flange and counter flange shall be as per Drg no PE-DG-999-141-MO17 enclosed at enclosures at Annexure-II.
e) Differential pressure measuring system for ball separator. DP measuring system shall comprise of 2 nos. DPT +1 no. DPG for each DF. Instrument shall be with Remote seal arrangement. Stubs for DPT and DPG shall be independent.
f) Supporting arrangement complete with saddle support (as required as per
layout), foundation plates, anchor bolts, nuts, sleeves, inserts, all installation materials, fixing bolts, clamps and other accessories etc. for complete equipment supplied under this package.
g) Set of commissioning spares, on “As required basis”. h) The Electrical & C&I items/ accessories as specified in succeeding clause/
respective sections herein.
i) Starter Panel (Switch Gear Panel) shall be as follows: a) 2 Sets of DF for each unit shall have one Common Starter Panel (Switch Gear Panel) for DCS based control system.
16 TITLE : TECHNICAL SPECIFICATION SPEC. NO: PE-TS- 412-165-N001
FOR VOLUME : II B SECTION: C1
DEBRIS FILTER(DF) REV. NO. 0 DATE : 15.06.2015
SHEET 3 OF 9
Switch Gear Panel should have suitable arrangement like Bus Coupler for providing redundancy to incoming supply feeder (1Working + 1 Standby feeder).
j) Power and Control cables between Switchgear Panel and various drives is in bidder’s scope of supply.
k) Control cables between field instruments and junction box / Switchgear panel. l) Set of mandatory spares as indicated in Data Sheet A .
m) All the field instruments stipulated in this specification shall be in Bidder’s scope.
n) Finish paints for touch up painting of equipment after erection at site, in sealed
containers.
o) Set of special tools and tackles if required for maintenance and erection of the equipment supplied.
p) Various drawings, data test reports/ certificates instruction manuals for erection
operation and maintenance etc. as specified in Data Sheet-C. and cables schedule indicating BOQ for power & control cables.
q) Panels & Instruments: Scope and Type as specified in C&I section wherever
required.
r) Cathodic Protection of DF along with Sacrificial Anode.
Any item not specified but required to make DF a complete package shall also be in bidders scope.
4.0 SCOPE OF SERVICES INCLUDED IN THE BIDDER’S SCOPE :
The bidder's scope also includes following services at site, for scope under this specification for Debris Filter for respective projects
a) Installation checks (Erection in BHEL’s scope). b) Commissioning of equipment. c) Trial run for requisite period d) Performance Testing The trial run of equipment shall be generally conducted immediately after commissioning while PG testing shall be conducted at a later date. These activities
16 TITLE : TECHNICAL SPECIFICATION SPEC. NO: PE-TS- 412-165-N001
FOR VOLUME : II B SECTION: C1
DEBRIS FILTER(DF) REV. NO. 0 DATE : 15.06.2015
SHEET 4 OF 9
for different units shall be timed separately. The no. of visits may be suitably assessed by bidders as per their experience with site stay periods on as required basis. In the event of order no. of visits as follows shall be made as a minimum with charges included in the bidder’s base price itself. � For drawings/documents approval
In the event of order all drawings / documents in soft as well as hard copy shall be submitted as per NIT.
Further on receipt of Customer comments, if required bidder’s engineer shall visit BHEL/ Customer alongwith soft copy to resolve all issues and incorporate comments in the soft copy for across the table finalisation and Category-I approval.
� Site Visits :
i. No. of site visits for combined activities of erection checks and
commissioning for DF as applicable shall be one per unit - for both sets of equipments of one unit. Time duration for erection and commissioning shall be “on as required basis” with equipments run for trial operation thereafter for requisite period to demonstrate satisfactory operation.
However the no. of visits may be suitably assessed by bidders as per their experience with site stay periods on as required basis.
ii. Bidder shall demonstrate guarantees including pressure drops, etc. at site
during subsequent visit for DF of each unit.
iii. For trouble shooting on “as required basis”. 5.0 EXCLUSIONS :
The following are excluded from the bidder's scope . 5.1 Civil foundation works required for installation
5.2 Erection of Equipment at site. 6.0 DESIGN CONSTRUCTION :
In addition to the requirements of Section-D the following shall also be complied with for
16 TITLE : TECHNICAL SPECIFICATION SPEC. NO: PE-TS- 412-165-N001
FOR VOLUME : II B SECTION: C1
DEBRIS FILTER(DF) REV. NO. 0 DATE : 15.06.2015
SHEET 5 OF 9
packages/ projects under scope of this specification:
6.1 The typical flow diagram applicable for the project specified herein for Debris Filter is enclosed for respective projects in this Section with scope demarcation for bidder’s compliance.
6.2 Location of Debris Filter shall be Approx. 15M Outside TG Hall ‘A’ Row in Transformer Yard. Final Layout drawing shall be provided during Detailed Engineering.
6.3 Thickness of body flange and counter flange of DF shall be as per Drg no PE-DG-999-141-MO17 enclosed at enclosures at Annexure-II.
6.4 The materials of construction specified in Data Sheet-A are minimum requirements and
materials of construction for other components not specified shall be similarly selected by the bidder for the intended duty which shall be subject to purchaser’s approval during detailed engineering in the event of order.
6.5 Housing/ body of Debris Filter shall be designed and manufactured as per the applicable
codes for pressure vessels and to take care of force and moments as enclosed in the specification. However in no case thickness of housing/ body shall be less than connecting pipe thickness as specified in Data Sheet-A of Debris Filter.
6.6 Cathodic Protection for DF along with Sacrificial Anode shall be provided by the bidder in
the equipment.
6.7 Any flow straightner for streamlining the CW flow in Debris Filter if required shall be supplied by the bidder along with mounting arrangement and the fixing details. Suitable Coating for protection against Sea Water and Touch-up Paint in sealed Container after welding in Condenser Outlet Pipe at Site to be provided by the Bidder.
6.8 Velocity in the pipe work shall be less than 1.5 m/ sec for pump suction and less than 2.4 m/ sec. in other pipe work. All valves upto 150 NB shall be ball valves. For higher sizes, gate/ globe/ B.F. valves shall be provided. All instrument valves shall be needle valves.
7.0 Performance Guarantee and Testing :
The Debris Filter shall be guaranteed to meet the performance requirements specified in Section-D and also for trouble free operation after commissioning. Schedule of performance guarantees (enclosed in Volume III) duly filled and signed shall be furnished with the bid.
16 TITLE : TECHNICAL SPECIFICATION SPEC. NO: PE-TS- 412-165-N001
FOR VOLUME : II B SECTION: C1
DEBRIS FILTER(DF) REV. NO. 0 DATE : 15.06.2015
SHEET 6 OF 9
The Performance guarantees of equipments shall stand valid till the satisfactory completion of performance testing & its acceptance by BHEL/ Consultant/Customer. If the guarantee period specified in the Commercial Specification is higher, same shall prevail.
8.0 Performance Guarantee and Bid Evaluation criteria for Debris Filter.
8.1 Debris Filters : 8.1.1 Performance Guarantee Parameters shall be as under :
� Pressure drop in Debris Filters in clean condition viz. after backwashing.
8.1.2 Bidder to note that bids shall be evaluated on account of pressure drop across Debris Filters (in clean condition) & liquidated damages on account of not meeting the same shall be in accordance with following : A) Bid Evaluation Criteria and Liquidated Damages:
The bids received shall be evaluated for Pressure drop across Debris Filters:
� The permissible limit of pressure drop across Debris Filters in clean
condition shall be 0.5 MWC. � If the pressure drops quoted are higher than above limit, the bids shall be
technically loaded @ Rate as mentioned in Data Sheet-A for respective projects per 0.1 MWC pressure drop.
� However no advantage shall be given for pressure drops quoted less than above permissible limit.
� The maximum acceptance limit for pressure drop across Debris Filter (with technical loading) shall be 0.8 MWC. The bids will be technically rejected for pressure drops quoted higher than above maximum limit.
� The guaranteed pressure drops shall be demonstrated at site by vendors and if found higher shall be subject to LD @ twice the bid evaluation factor as above.
9.0 SPARES :
9.1 Recommended Spares :Bidder to submit the list of recommended spares (along with prices) as per NIT required for three (3) years of reliable operation and maintenance of DF for BHEL reference purpose only. The recommended spares shall not be considered for evaluation and ordering purpose.
16 TITLE : TECHNICAL SPECIFICATION SPEC. NO: PE-TS- 412-165-N001
FOR VOLUME : II B SECTION: C1
DEBRIS FILTER(DF) REV. NO. 0 DATE : 15.06.2015
SHEET 7 OF 9
9.2 Mandatory Spares Mandatory Spares shall be as per Data Sheet-A or annexure enclosed with data sheet A.
10.0 Quality Plan Bidder shall submit QP in the event of order based on the guidelines given in the specification & QP enclosed therein. QP will be subject to BHEL/ Customer approval and customer hold points for inspection/ testing shall be marked in the QP at the contract stage. Inspection/ testing shall be witnessed as per same apart from review of various test certificates/ Inspection records etc. Charges for 3rd party inspection (TUV/ equivalent) for imported components wherever required shall be included by bidder in the base price itself. Witness for all the test identified under agency “C” & “N” in Quality plan shall be by third party. If BHEL or BHEL customer decides to witness the tests along with third party, the cost of travel of BHEL or BHEL customer shall be borne by BHEL or BHEL customer themselves.
11.0 DELIVERY & DRAWINGS/ DOCUMENTS DISTRIBUTION SCHEDULE : a. Delivery of Equipment for each project shall be as per NIT.
b. Drawings submission schedule shall be as per NIT/as advised by Project Group.
12.0 The makes of various bought out items shall be subjected to purchaser's approval in the event of order.
13.0 It is mandatory for the bidders to submit along with the bid the deviations if any whether major or minor in the schedule of deviations only. In the absence of deviations listed in the schedule of deviations the offer shall be deemed to be in full conformity with the specification "non-withstanding" any thing else stated elsewhere in bidder's offer, data sheets etc. The implied/ indirect deviations in data sheets etc. Shall not be binding on the purchaser.
14.0 The following documents shall be furnished by the bidder with his offer :
� Compliance certificate duly signed and stamped (Enclosed at Schedules). � Guarantee schedule duly signed and stamped (Enclosed at Schedules).
� GA drawings of following with empty/ filled-ups.
16 TITLE : TECHNICAL SPECIFICATION SPEC. NO: PE-TS- 412-165-N001
FOR VOLUME : II B SECTION: C1
DEBRIS FILTER(DF) REV. NO. 0 DATE : 15.06.2015
SHEET 8 OF 9
� Debris Filter � Debris Flushing pumps (if applicable) � Other equipments considered necessary for Layout/ Civil.
� Electrical Load Data (Enclosed at Vol. III of Specification) � Schedule of Deviation (Enclosed at Schedules).
The bidder to note that load requirement furnished and finalised during tender stage shall only be provided by BHEL and any changes or additional requirement of Electrical load by bidder during contract stage shall be provided by BHEL with cost repercussions to the bidder.
NOTE: Apart from above, no other drawing/ document/ data sheet etc. shall be submitted along with the offer. If any drawing/ document etc. is submitted with the offer, same shall be considered as for ‘Reference’ purpose only and shall not be reviewed/ commented upon and any deviation, exclusion to scope, etc. taken in documents but not highlighted in the deviation schedule shall not be taken cognizance of.
16 TITLE : TECHNICAL SPECIFICATION SPEC. NO: PE-TS- 412-165-N001
FOR VOLUME : II B SECTION: C1
DEBRIS FILTER(DF) REV. NO. 0 DATE : 15.06.2015
SHEET 9 OF 9
ANNEXURE-I
DEBRIS FILTER
SL.NO. Projects Size (NB)
Length of Debris Filter (Excluding Counter Flange)
Scope of CounterFlange
Scope of Gaskets, nuts and bolts.
1 2X660 MW ENNORE SEZ STPP AT ASH DYKE OF NCTPS, CHENNAI
2500 NB 5200 mm In Purchaser's Scope.
In Bidder's Scope.
Notes: i. Debris Filter Inlet shall be mounted directly on the existing Butterfly valve.
ii. Flap of butterfly valve shall be extended to 1200-1300 mm inside the Debris Filter.
AN
NE
XU
RE
-III
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001 FOR VOLUME : II B
DEBRIS FILTER (DF) SECTION : C REV. NO. 0 DATE : 15.06.2015 SHEET 1 of 1
SECTION C2
DEBRIS FILTER
(ELECTRICAL DETAILS)
TECHNICAL SPECIFICATION FOR
DF(ELECTRICAL PORTION)
SPECIFICATION NO. PE-TS-412-174-A001VOLUME II B SECTION-CREV 01 DATE 22.05.2015 PAGE 1 OF 1
SPECIFIC TECHNICAL REQUIREMENTS: ELECTRICAL
1.0 EQUIPMENT & SERVICES TO BE PROVIDED BY BIDDER/ PURCHASER
1.1 Scope for supply, and erection & commissioning of various equipment forming part of electrical system for this package shall be as per Annexure–I to Section – C [Scope of Work (Electrical)].
1.2 Make of various equipment/ items in the scope of bidder shall be to approval of owner during detailed engineering stage without any commercial implications.
1.3 Bidder shall furnish all AC as well as DC loads required for the system at different voltage levels (eg. 415V AC, 240 V AC, 220 V DC etc.) of all types, such as motor feeders, supply feeders in PEM format along with the offer.
1.4 All electrical equipment shall be suitable for the power supplies, fault levels and climatic conditions indicated in project information enclosed with the specification.
1.5 All drawings, data sheets, Quality Plan, calculations, test reports, test certificates, etc. shall be submitted during detailed engineering stage as per formats enclosed. The same shall be subject to approval without any commercial implications.
2.0 In case of any discrepancy between Customer specification and BHEL standard specification, Customer specification shall prevail.
3.0 DOCUMENTS TO BE SUBMITTED ALONG WITH BID
3.1 Bidder shall confirm total compliance to the electrical specification without any deviation from the technical/ quality assurance requirements stipulated. In line with this, the bidder as technical offer shall furnish two signed and stamped copies of the following: a) A copy of this sheet “Electrical Equipment Specification for Ventilation System’ and sheet
“Electrical Scope between BHEL and Vendor” with bidder’s signature and company stamp. b) List of Erection and Commissioning spares. c) List of Erection & Maintenance tools & tackles.d) Electrical load requirement in the load data format.
3.2 No technical submittal such as copies of data sheets, drawings, write-up, quality plans, type test certificates, technical literature, etc, is required during tender stage. Any such submission even if made, shall not be considered as part of offer.
4.0 LIST OF ENCLOSURES
4.1 Electrical scope between BHEL & vendor (Annexure-I). 4.2 Electrical Section-C 4.3 Technical specification – Customer specification - Motors 4.4 BHEL standard specification for LT motors : PE-SS-999-506-E101 (Section-D) 4.5 Datasheets – A and C 4.6 Quality Plan for motors. 4.7 Load data format (Annexure-II). 4.8 Cable Schedule Format(Annexure-III)
SPECIFIC ELECTRICAL REQUIREMENT FOR DF SYSTEM
SL.NO. PARAMETERS UNIT Ennore
MOTOR
1 DESIGN AMBIENT TEMP DEG. C 50
2VOLTAGE SUPPLY AND VARIATION
VOLT415V, + 10%
3FREQUENCY WITH VARIATION
Hz50, +3% to -5%
4COMBINED VOLTAGE & FREQUENCY VARIATION
10%
5MAX ACCEPTABLE RATING OF MOTOR AT 415 V KW
160 KW & below
6SYSTEM FAULT LEVEL AND ITS DUARTION KA
50kA, 1sec
7SUTABILITY OF TERMINAL BOX FOR FAULT LEVEL AND DURATION
50 KA, 0.25 sec
8CLASS OF INSULATION & TEMP RISE LIMITED TO
Class-F and temp rise limited to Class-B
9 MIN. STARTING VOLTAGE 85%
10
MOTOR RATING FOR SINGLE PHASE SUPPLY
0.2 kW & Below
11MAXIMUM LOCKED ROTOR CURRENT
% OF FLC600% inclusive of IS tolerance.
12
ACCEPTABLE NOISE LEVEL
DB
As per IS 12065
13TYPE OF STARTER PROVIDED IN MCC DOL
14DOP OF ENCLOSURE IP-55 & IP-54 for outdoor &
indoor resp.
15SPACE HEATER REQUIREMENT
<30kW30KW & ABOVE
16PAINT SHADE Siemens Grey (RAL 7032)
17SPECIAL REQUIREMENT -
18
ENERGY EFFICIENT All LV MOTORS ABOVE 10 KW WITH S1 DUTY SHALL BE COMPULSORILY OF ENERGY EFFICIENT LEVEL IE2 AS PER IS 12615:2011
2X660MW ENNORE TPP
MOTOR DATA SHEET-A
REV-
0, DA
TE: 2
2.05.2
015
STAN
DARD
ELE
CTRI
CAL
SCOP
E BE
TWEE
N BH
EL A
ND V
ENDO
R (F
OR E
PC P
ROJE
CTS)
PA
CKAG
ES:
COLT
CS/ S
CF/ D
F/ T
BS
SC
OPE
OF V
ENDO
R: S
UPPL
Y
PROJ
ECT:
2X66
0 MW
ENN
ORE
TPP
Page
1 of
2
S.NO
DE
TAIL
S SC
OPE
SUPP
LY
SCOP
E E&
C RE
MARK
S
1 41
5V M
CC
Star
ter cu
m co
ntrol
pane
l (if a
pplic
able)
BHEL
Vend
or
BHEL
BHEL
240 V
AC
(supp
ly fee
der)/
415 V
AC
(3 P
HASE
4 W
IRE)
supp
ly sh
all be
pr
ovide
d by B
HEL b
ased
on lo
ad da
ta pr
ovide
d by v
endo
r at c
ontra
ct sta
ge fo
r all e
quipm
ent s
uppli
ed by
vend
or as
part
of co
ntrac
t. Any
other
vo
ltage
leve
l (AC/
DC) r
equir
ed w
ill be
deriv
ed by
the v
endo
r.
2 Lo
cal P
ush B
utton
Stat
ion (f
or m
otors)
BH
EL
BHEL
Lo
cated
near
the m
otor.
3 Po
wer c
ables
, con
trol c
ables
and s
creen
ed co
ntrol
cable
s for a)
both
end e
quipm
ent in
BHE
L’s sc
ope
b) b
oth en
d equ
ipmen
t in ve
ndor
’s sc
ope
c) on
e end
equip
ment
in ve
ndor
’s sc
ope
B
HEL
V
endo
r
BHE
L
BHEL
BH
EL
BHEL
1. Fo
r 3.b)
& c)
: Size
s of c
ables
requ
ired s
hall b
e info
rmed
by ve
ndor
at
contr
act s
tage (
base
d on i
nputs
prov
ided b
y BHE
L) in
the f
orm
of ca
ble
listin
g. Fin
alisa
tion o
f cab
le siz
es sh
all be
done
by B
HEL.
Vend
or sh
all
prov
ide lu
gs &
glan
ds ac
cord
ingly.
2.
Cabli
ng/ te
rmina
tion b
y BHE
L.
4 Ju
nctio
n box
for c
ontro
l & in
strum
entat
ion ca
ble
Vend
or
BHEL
Nu
mber
of J
uncti
on B
oxes
shall
be su
fficien
t and
posit
ioned
in th
e fiel
d to
minim
ize lo
cal c
ablin
g ( m
ax 10
-12 m
trs) a
nd tr
unk c
able.
5
Any s
pecia
l type
of ca
ble lik
e com
pens
ating
, co-
axial
, pr
efab,
MICC
, fibr
eopti
cal e
tc.
Vend
or
BHEL
Re
fer sc
ope/
C&I p
ortio
n of s
pecif
icatio
n for
scop
e of fi
bre O
ptica
l cab
les if
used
betw
een P
LC/ m
icro p
roce
ssor
& D
CS.
6 Ca
ble tr
ays,
acce
ssor
ies &
cable
tray
s sup
portin
g sys
tem
BHEL
BH
EL
7 Ca
ble gl
ands
and l
ugs f
or eq
uipme
nt su
pplie
d by V
endo
r Ve
ndor
BH
EL
1. Do
uble
comp
ress
ion N
i-Cr p
lated
bras
s cab
le gla
nds
2. So
lder le
ss cr
impin
g typ
e hea
vy du
ty co
pper
lugs
for p
ower
& co
ntrol
cable
s. 8
Cond
uit an
d con
duit a
cces
sorie
s for
cabli
ng be
twee
n eq
uipme
nt su
pplie
d by v
endo
r Ve
ndor
BH
EL
Con
duits
shall
be m
edium
duty,
hot d
ip ga
lvanis
ed co
ld ro
lled m
ild st
eel
rigid
cond
uit as
per I
S: 95
37.
9 Lig
hting
BH
EL
BHEL
REV-
0, DA
TE: 2
2.05.2
015
STAN
DARD
ELE
CTRI
CAL
SCOP
E BE
TWEE
N BH
EL A
ND V
ENDO
R (F
OR E
PC P
ROJE
CTS)
PA
CKAG
ES:
COLT
CS/ S
CF/ D
F/ T
BS
SC
OPE
OF V
ENDO
R: S
UPPL
Y
PROJ
ECT:
2X66
0 MW
ENN
ORE
TPP
Page
2 of
2
S.NO
DE
TAIL
S SC
OPE
SUPP
LY
SCOP
E E&
C RE
MARK
S
10
Equip
ment
grou
nding
& lig
htning
prote
ction
BH
EL
BHE
L
11
Below
grad
e gro
undin
g BH
EL
BHEL
12
LT
Moto
rs wi
th ba
se pl
ate an
d fou
ndati
on ha
rdwa
re
Vend
or
BHEL
Ma
kes s
hall b
e sub
ject to
custo
mer/
BHEL
appr
oval
at co
ntrac
t stag
e. 13
Ma
ndato
ry sp
ares
Ve
ndor
-
Vend
or to
quote
as pe
r spe
cifica
tion.
14
Re
comm
ende
d O &
M sp
ares
Ve
ndor
-
As sp
ecifie
d else
wher
e in s
pecif
icatio
n 15
An
y othe
r equ
ipmen
t/ mate
rial/ s
ervic
e req
uired
for
comp
leten
ess o
f sys
tem ba
sed o
n sys
tem of
fered
by th
e ve
ndor
(to e
nsur
e tro
uble
free a
nd ef
ficien
t ope
ratio
n of
the sy
stem)
.
Vend
or
BHEL
16
a) In
put c
able
sche
dules
(Con
trol &
Scre
ened
Con
trol
Cable
s)
b) C
able
inter
conn
ectio
n deta
ils fo
r abo
ve
c) C
able
block
diag
ram
Vend
or
Vend
or
V
endo
r
- - -
Cable
listin
g for
Con
trol a
nd In
strum
entat
ion C
able
in en
close
d exc
el for
mat s
hall b
e sub
mitte
d by v
endo
r dur
ing de
tailed
engin
eerin
g stag
e.
17
Equip
ment
layo
ut dr
awing
s Ve
ndor
-
For p
repa
ratio
n of c
ablin
g lay
out d
rawi
ngs b
y BHE
L, ve
ndor
shall
furn
ish
Elec
trical
equip
ment
layou
t dra
wing
s (bo
th in
form
as w
ell as
in
AUTO
CAD)
of th
e com
plete
plant
(inclu
ding e
lectric
al ar
ea) in
dicati
ng
locati
on an
d ide
ntific
ation
of al
l equ
ipmen
t req
uiring
cabli
ng,
18
Elec
trical
Equip
ment
GA dr
awing
Ve
ndor
-
For n
eces
sary
inter
face r
eview
.
NOTE
S: 1. Ma
ke of
all e
lectric
al eq
uipme
nt/ ite
ms su
pplie
d sha
ll be r
epute
d mak
e & sh
all be
subje
ct to
appr
oval
of BH
EL/cu
stome
r afte
r awa
rd of
contr
act.
2. Al
l QPs
shall
be su
bject
to ap
prov
al of
BHEL
/custo
mer a
fter a
ward
of co
ntrac
t with
out a
ny co
mmer
cial im
plica
tion.
3. In
case
the r
equir
emen
t of J
uncti
on B
ox ar
ises o
n acc
ount
of Po
wer C
able
size m
is-ma
tch du
e to v
endo
r eng
ineer
ing at
later
stag
e, ve
ndor
shall
supp
ly the
Junc
tion
Box f
or su
itable
term
inatio
n.
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:359
CHAPTER – 12
MOTORS
1.00.00 DESIGN CRITERIA
1.00.01 For the purpose of design of equipments /systems, an ambient temperature of 50 °C
and relative humidity of 85% shall be considered. The equipment shall operate in a
highly polluted environment.
1.00.02 Transient voltage dip on starting of the largest motor with DOL shall be limited to 20%
of the nominal system voltage at the voltage terminals.
1.00.03 Rating
The motor rating shall be arrived at considering 15% margin over the duty point
input or 10% over the maximum demand of the driven equipment, whichever is
higher, considering highest system frequency.
All motors shall be continuously rated (S1 duty). However, crane motors shall be
rated for S4 duty, 40% cyclic duration factor.
Whenever the basis for motor ratings are not specified in the corresponding
mechanical specification sub-sections, maximum continuous motor ratings shall be at
least 10% above the maximum load demand of the driven equipment under entire
operating range including voltage and frequency variations.
1.00.04 Starting Voltage requirement for all motors (except mill motors):
1. 85 % of rated voltage for motors up to 1000 kW
2. 80 % of rated voltage for above 1000 kW and up to 4000 kW
3. 75 % of rated voltage for above 4000 kW
For Mill Motors:
1. 85 % of rated voltage for motors above 1000 kW
2. 90 % of rated voltage for motors up to 1000 kW
1.00.05 Canopy shall be provided for outdoor motors.
1.01.00 Contractor shall provide fully compatible electrical system, equipments, accessories
and services.
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:360
1.02.00 All the equipment, material and systems shall, in general, conform to the latest edition
of relevant National and international Codes & Standards, especially the Indian
Statutory Regulations.
1.03.00 Voltage and frequency variations:
Frequency: (+) 3% and (-) 5%
Voltage : i. ACa. ± 6% for 11 kV/3.3 kV
b. ±10% for 415 V
Combined 10 % (absolute sum)
ii. DC- +10% to -15% for 220 V DC
1.04.00 All LV motors above 10 kW with S1 duty shall be compulsorily of Energy efficient
level IE 2 as per IS 12615: 2011.
1.05.00 The responsibility of coordination with electrical agencies and obtaining all necessary
clearances shall be of the contractor.
1.06.00 Type
AC Motors:
(a.) Squirrel cage induction motor suitable for direct-on-line starting.
(b.) Crane duty motors shall be slip ring type induction motor
DC Motors
(a.) Shunt wound.
1.07.00 Temperature Rise
Air cooled motors
70°C by resistance method
Water cooled
80° C over inlet cooling water temperature mentioned elsewhere, by resistance
method.
1.08.00 Degree of Protection
Degree of protection for various enclosures shall be as follows :
i) Indoor motors – IP 54
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:361
ii) Outdoor motors – IP 55
iii) CW motors (in case of screen
prot. Drip proof)
– IP 23
iv) Cable box – indoor area – IP 54
v) Cable box – outdoor area – IP 55
2.00.00 CODES AND STANDARDS
2.01.00 All motors shall confirm to the latest editions including all applicable amendment of
relevant IS, IEC and CBIP standards/Publications. In case any other standard is
followed that ensures equal or better quality, may be accepted. However the English
version of the Standard adopted shall be submitted.
2.02.00 Major Standards, which shall be followed, are listed below. Any other applicable
Indian standards for any component part even if not covered in the list shall also be
followed
1.) Three phase induction motors : IS:325, IEC:60034
2.) Single phase AC motors : IS:996, IEC:60034
3.) Crane duty motors : IS:3177, IEC:60034
4.) DC motors/generators : IS:4722
5.) Degree of protection by
enclosures for rotating electrical
machines
: IS: 4691
IS: 4728
IS: 6362
IS: 2253
6.) Noise levels for rotating
electrical machines
Mechanical Vibrations for
rotating electrical machines
IS: 12065
IS: 12075
3.00.00 OPERATIONAL REQUIREMENTS
3.01.00 Starting Time
3.01.01 For motors with starting time up to 20 secs at minimum permissible voltage during
starting, the locked rotor withstand time under hot condition at highest voltage limit
shall be at least 2.5 secs more than starting time .
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:362
3.01.02 For motors with starting time more than 20 secs and up to 45 secs at minimum
permissible voltage during starting, the locked rotor withstand time under hot
condition at highest voltage limit shall be at least 5 secs more than starting time.
3.01.03 For motors with starting time more than 45 secs at minimum permissible voltage
during starting, the locked rotor withstand time under hot condition at highest voltage
limit shall be more than starting time by at least 10% of the starting time.
3.01.04 Speed switches mounted on the motor shaft shall be provided in cases where above
requirements are not met.
3.01.05 Motors shall be capable of restarting under full load after a momentary loss of voltage
with the possibility of 150 % nominal voltage during fast bus transfer.
3.02.00 Torque Requirements
3.02.01 Accelerating torque at any speed with the lowest permissible starting voltage shall be
at least 10% motor full load torque.
3.02.02 Pull out torque at rated voltage shall not be less than 205% of full load torque. It shall
be 275% for crane duty motors.
4.00.00 DESIGN AND CONSTRUCTIONAL FEATURES
4.00.01 Suitable single phase space heaters shall be provided on motors rated 30 kW and
above to maintain windings in dry condition when motor is standstill. Separate
terminal box for space heaters & RTDs shall be provided.
4.00.02 All motors shall be suitable for direct on line starting through any type of breaker.
L All motors shall be either totally enclosed fan cooled (TEFC) or totally enclosed
tube ventilated (TETV) or Closed air circuit air cooled (CACA) type. However, motors
rated 3000KW or above can be Closed air circuit water cooled (CACW). CW motors
can be screen protected drip proof (SPDP) type. Motors located in hazardous areas
shall have flame proof enclosures conforming to IS: 2148 as detailed below
(a) Fuel oil area : Group - IIB
(b) Hydrogen generation plant
area :
Group - IIC
4.00.03 Winding and Insulation
(a) Type : Non-hygroscopic, oil resistant, flame resistant
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:363
(b) Starting duty : Two hot starts in succession, with motor initially
at normal running temperature
(c) 11 kV / 3.3 kV
AC motors
: Class F: with winding temperature rise limited to
class B. They shall withstand 1.2/50 micro sec
switching surges of 4U+5 KV (U=Line voltage in
KV). The coil inter-turn insulation shall be
suitable for 0.3/3 micro sec. surge of 32 KVp
and 12 kVp for 11 kV ad 3.3 kV system
respectively followed by 1 min power frequency
high voltage test of appropriate voltage on inter
turn insulation.
(d) 415V AC &
220V DC
motors
: Class ‘F’ with temperature rise limited to class
‘B’
4.00.04 Motors rated above 1000 kW shall have insulated bearings to prevent flow of shaft
currents.
4.00.05 Motors with heat exchangers shall have dial type thermometer with adjustable alarm
contacts to indicate inlet and outlet primary air temperature.
4.00.06 Noise level and vibration shall be limited within the limits prescribed in IS: 12065 & IS:
12075 respectively. Motors shall withstand vibrations produced by driven equipment.
4.00.07 In MV/HV motors, 12 nos. simplex or 6 nos. duplex RTDs (two per phase), each
having D.C. resistance of 100 ohms at 0°C, embedded in the stator winding at
locations where highest temperatures may be expected, shall be provided. The
material of the ETD’s shall be platinum. Each bearing shall be provided with dial type
thermometer with adjustable alarm contact and resistance type temperature detector.
All HV motors shall be provided with shaft grounding rings for bearing protection and
earthing shaft current.
4.00.08 MV/HV motors shall also be capable of satisfactory operation at full load at a
supply voltage of 80% of the rated voltage and shall be capable of either two starts
in quick succession with third start after 5 minutes in cold condition or two starts at
15 minutes intervals in hot condition, both cases with voltage and frequency
variation within specified limits.
4.00.09 Locked rotor current of the MV motors shall be limited to 600% (subject to IS
tolerance) of the full load current of the motors and f o r H V motor shall be
limited to 450% (inclusive of IS tolerance) of full load current of the motor.
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:364
Locked rotor current of the LV motor shall not exceed 600% of full load current
inclusive of IS tolerance.
4.00.10 MV Motors shall be provided with differential protection. These motors shall be
provided with star connected stator windings. The 3 nos. current transformers, one
for each phase shall be mounted in a separate compartment in the neutral
side terminal box. The three phases shall be connected to form the star point
after they pass through the CTs. These differential protection CTs shall be supplied
loose by 11/ 3.3 kV switchgear manufacturer.
4.00.11 Motor body shall be grounded at two earthing points on opposite sides with two
separate and distinct grounding pads complete with tapped holes, GI bolts and
washers.
4.00.12 HV motors can be offered with either elastimould termination or dust tight phase
separated double walled (metallic as well as insulated barrier) cable boxes. In case
elastimould terminations are offered, then protective cover and trifurcating sleeves
shall also be provided. Removable gland plates of thickness 3 mm (hot/cold rolled
sheet steel) or 4 mm (non magnetic material for single core cables) shall be provided
in case of cable boxes.
4.00.13 All motors shall be so designed that maximum inrush currents and locked rotor and
pullout torque developed by them at extreme voltage and frequency variations do not
endanger the motor and driven equipment.
4.00.14 The motors shall be suitable for bus transfer schemes provided on the 11 kV, 3.3
kV/415V systems without any injurious effect on its life.
4.00.15 All motors below 15 kW shall be provided with sealed ZZ bearings.
4.00.16 For motors rated 1000 KW & above, neutral current transformers of PS class shall be
provided on each phase in a separate neutral terminal box.
4.00.17 All motors shall be provided with an emergency stop push button near the motor as
per the Indian Statutory regulations.
4.00.18 The motor terminal box shall be suitable for withstanding the maximum system fault
current for a duration of at least 0.25 seconds.
4.00.19 Neutral in case of HV motors shall be kept accessible.
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:365
4.00.20 Motors shall be designed to easy access for drilling holes through motor feed of
mounting flange for installation of dowel pins after assembly of the motor and driven
equipment.
4.00.21 Well spacious working platforms shall be provided around the motor area for carrying
out maintenance & testing works. Platform shall be minimum of 300 mm below the
level of motor base plate.
4.00.22 Flow switches shall be provided for monitoring oil flow of forced lubrication bearings,
if used. Alarm switch contact rating shall be minimum 0.5 A at 220 V DC and 10 A at
230 V AC.
4.00.23 For bearing temperature measurement, duplex RTDs shall be provided for each
bearing and shall be wired up to the terminal box..
4.00.24 Lube oil pressure transmitters shall be provided to DCS for remote monitoring. Lube
oil pressure very low trip to HV equipment shall be 2 out of 3 logic.
4.00.25 Capillary type temperature gauge cum switch shall be provided for DE / NDE of HV
Motors
4.00.26 Motors with CACA/CACW heat exchangers shall have dial type thermometer with
adjustable alarm contacts to indicate the following:
-Hot and cold air temperatures of the closed air circuit for CACA motors.
-Hot and cold, air and water temperatures for CACW motors.
The Alarm switch contact rating shall be minimum 0.5 A at 220 V DC and 10 A at 230
V AC.
4.00.27 Lifting Provisions
Motor weighing 25 kg or more shall be provided with eye bolt or other adequate
provision for shifting. Electrical hoists shall be provided for motors above 1000 kgs for
maintenance of the same.
4.00.28 DC MOTORS
DC motors shall be provided where specified/required. DC Motors shall be sized for
operation with fixed resistance starting for reliability. DC motors shall be shunt wound
type. Motors shall be capable of delivering the rated output at 220 V DC with (+) 10%
and (-) 15% variations without exceeding its guaranteed temperature limits. 220 V DC
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:366
system shall be unearthed. Starting current of the DC motors shall be limited to 200%
of the full load current of the motor, and is subject to IS tolerance. DC Motors shall be
similar to AC Motors with respect to other features like enclosure type, cooling and
class of insulation
4.00.30 Painting
Motor including fan shall be painted with corrosion proof paints of colour shade
Siemens grey (RAL 7032).
4.00.31 Local Push Button Stations
The LPBS shall be installed near the motors to be controlled. Individual channel
supports shall be used for each LPBS. These shall be installed as per approved
erection detail drawing. LPBS for hazardous areas shall be CMRS certified and CCE
approved.
All LPBS shall have necessary canopies. Wiring of LPBS shall be checked before
giving control supply.
5.00.00 LIST OF TESTS TO BE CONDUCTED FOR HV, MV and LV MOTORS
5.01.00 TYPE TESTS
(a) No load saturation and loss curves up to approximately 115% of rated voltage
(b) Momentary overload test
(c) Temperature rise test at rated conditions. During heat run test, bearing temp.,
winding temp., core temp., coolant flow and its temperature shall also be
measured. In case the temperature rise test is carried at load other than rated
load, specific approval for the test method and procedure is required to be
obtained. Wherever ETD's are provided, the temperature shall be measured by
ETD's also for the record purpose.
(d) Surge withstand test on the sample coil after placing it in stator core at (4U + 5
KV) and with at least five impulse of 1.2/50 micro sec. wave, for HV motors only,
where U is the line to line voltage in kV.
(e) Surge-withstand test with 0.3/3 micro sec. wave on each type of 3.3/11 kV motor
coils with at least five such impulses, followed by one minute power frequency
high voltage test on turn to turn insulation, after cutting the coil and bringing out
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:367
the turns suitably. The power frequency test voltage shall be decided during
detailed engineering.
f) Dimensions (for motors covered by IS 1231:1974 and IS 2223:1983 only)
g) Measurement of resistance of windings of stator and wound rotor.
h) Reduced voltage running up test at no load (for squirrel cage motors up to 37kw
only)
i) Full load test to determine efficiency, power factor and slip.
j) Insulation resistance test
k) Test for vibration severity of motor
l) Test for noise levels of motor
m) Test for degree of protection by enclosure
n) Temperature rise test at limiting values of voltage and frequency variations
o) Over speed test
5.02.00 ROUTINE TESTS
The following shall constitute the routine tests.
a) Insulation resistance test
b) Measurement of resistance of windings of stator and wound rotor.
c) No load test
d) Locked rotor readings of voltage, current and power input at a suitable reduced
voltage
e) Reduced voltage running up test ( for squirrel cage motor)
f) Open circuit voltage ratio of stator and rotor windings (for slip ring motors); rotor;
g) High voltage test
6.00.00 INSPECTION AND TESTING AT SITE
6.01.01 Insulation resistance of 415V motors shall be measured between the winding of the
machine and its frame by means of a 500/1000V megger. A minimum value of 1 mega
ohm for 415V motors shall be considered a safe value. In case of lower I.R. Value, the
insulation value shall be brought up by any of the following methods as desired by the
Site Engineer:
(a.) Blowing hot air in case of big motors.
(b.) Putting the motor in electric oven in case of smaller motors.
(c.) Placing heaters or lamps around and inside in case of small motors after making
suitable guarding and covering arrangements so as to conserve the heat.
DESEIN Tender SpecificationVol-IV : Electrical Works
Motors
2x660 MW Ennore SEZ Supercritical Thermal Power Project at Ash Dyke of NCTPS
Spec. No. CE/C/P&E/EE/E/OT. No. 03/2013-14Vol. IV: Electrical Works:368
6.01.02 Site Test
(a.) Measurement of vibration.
(b.) Measurement of insulation resistance and polarization index.
(c.) Measurement of full load current.
(d.) Test running of the motors, checking the temperature rise and identifying the hot
spot etc.
6.01.03 3.3 kV motors shall be tested for insulation by 500/1000V megger and its value should
not be less than the safe minimum insulation of ����������� ��� ���������������
case the insulation is low, the following method of drying has to be adopted:
a. By locking the motor so that it cannot rotate and then applying such a low
voltage to the stator terminals that full load current flows in the stator, keeping
the stator winding temperature below 90 deg. C. In this a close watch shall be
kept for any possible overheating and I.R. Values vs. temperature shall be
plotted and heating continued till I.R. Value becomes steady.
b. By blasting hot air from external source, Maximum temperature of winding
while drying should be 70 deg. C to 80 deg. C. (Thermometer) or 90 deg. C. to
95 deg. C. by resistance method. Heating should be done slowly till steady
temperature of winding is reached after 4 to 5 hours and for large machines after
10 hours. A record has to be kept for drying process, with half an hour
readings and, after steady temperature is reached, at an interval of 2 hours. In
case it is essential, the drying process can be supplemented by blower.
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001 FOR VOLUME : II B
DEBRIS FILTER (DF) SECTION : C REV. NO. 0 DATE : 15.06.2015 SHEET 1 of 1
SECTION C3
DEBRIS FILTER
(C&I DETAILS)
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1)All�motorised�valves�of�200NB�or�more�than�200NB�size�shall�be�provided�with�integral����motorized�bypass�valves�on�all�process�lines.�
2)Components�of�instruments,�control�devices,�accessories,�piping�etc.�which�contact�with�steam,�condensate�or�boiler�feed�water�shall�be�manufactured�from�copper�free�materials�which�do�not�react�with�media�at�operating�parameters.��
3)Valve�end�position�(Open�&�Close)�shall�be�monitored�for�the�manual�critical�valves,�wherever�provided.��
�4)All�the�instruments/drives�shall�be�terminated�on�JBs/Panels�in�field.�JBs/Panels�shall�be�in�Bidder's�scope.�
5)Scope�of�Instrumentation�cables�(Screened�Control�Cables),�Fibre�Optic�cable�&�Control�cables�shall�be�as�per�Electrical�Cable�scope�matrix�in�Electrical�portion�of�specification.��
6)Bidder�to�comply�with�codes�and�standards�as�mentioned�in�the�specification.�
7)Bidder�shall�provide�an�unlimited�warranty�on�all�equipment�and�software�for�three�years�after�the�start�of�the�warranty�period,�i.e.�after�satisfactory�completion�of�initial�operations.�This�warranty�shall�include�repair,�replacement�or�correction�of�identified�software�or�hardware�discrepancies�at�no�cost�to�OWNER.�
8)All�local�gauges,�transmitters�and�switches�shall�be�mounted�on�suitable�enclosures,�racks�subject�to�owner’s�approval.�All�transmitters�shall�be�HART�compatible.��
�9)Bidder�to�delegate�/depute�their�persons/experts�as�per�owner/consultants’�requirement.��
10)Bidder�must�offer�general�tools�and�tackles�and�special�calibration�instruments�required�during�start�up,�trial�run,�operation�and�maintenance�of�the�system.��
11)The�above�given�scope�is�indicative�&�minimum.�Any�item/�equipment�not�indicated�above�however�required�for�the�completeness�of�the�system�is�to�be�supplied�by�bidder�without�any�technical,�commercial�and�delivery�implication�to�BHEL.�
12)Bidder�shall�provide�Cable�Schedule�in�BHEL�excel�format�provided�in�Electrical�portion�of�the�specification.�Also,�Cable�Interconnections�details�for�Complete�System�shall�be�in�Bidder’s�scope.��
Specific�Technical�Requirements�
13)All�the�instruments/equipment/electrical�items�shall�be�provided�&�designed�with�maximum�star�rating�as�available�in�line�with�energy�conservation�policies�notified�by�BEE,�GOI�at�the�time�of�supply.��
�14)Each�communication�Network�shall�be�industrial�grade�and�shall�be�provided�with�industrial�grade�managed�type�Ethernet�switches,�external�surge�protection�system/devices�and�industrial�firewall.�Industrial�grade�managed�type�Ethernet�switches�shall�be�provided�with�in�built�diagnostic�features,�20%�spare�parts�&�in�built�redundant�power�supply.��
15)All�approval/Inspection�are�to�be�carried�out�by�Owner�or�owner�appointed�agency�only.��
16)The�make/model�of�various�instruments/items/systems�shall�be�subject�to�approval�of�owner/purchaser�during�detailed�engineering�stage.�No�commercial�implication�in�this�regard�shall�be�acceptable.�In�case�of�any�conflict�and�repetition�of�clauses�in�the�specification,�the�more�stringent�requirements�among�them�are�to�be�complied�with.��
17)Each�of�the�Plant�Auxiliaries�&�off�site�systems�shall�be�provided�with�annunciation�system.�It�shall�be�an�integral�part�of�the�control�system.�All�the�field�contact�for�this�purpose�shall�be�acquired�through�control�system.�The�annunciation�sequence/logic�shall�conform�to�ISA�sequence�ISA�2A.�The�window�lamps�for�the�system�shall�be�driven�through�output�modules�of�the�control�system.���
18)The�instrumentation�to�be�provided�for�each�of�the�plant�auxiliary�&�Off�Site�Plant�systems�shall�be�as�per�the�technical�specification�document�/�drawings�wherever�provided�for�the�respective�systems�as�a�minimum�requirement�for�bidding�purpose.�However,�for�completeness�of�each�of�the�plant�auxiliary�&�Off�Site�system�and�its�associated�equipment,�Bidder�shall�also�provide�all�the�necessary�instruments�to�the�process�requirement�even�if�it�is�not�specifically�indicated�in�the�given�technical�Specification�document�/�drawings.�
19)All�cables�terminated�in�the�terminal�block,�power�distribution�scheme�instruments�shall�be�ferruled.�Ferruling�shall�be�double�cross�ferruling�(i.e.)�source�and�destination�addresses�shall�be�marked�on�both�sides�of�the�tube�ferruling.�
Specific�Technical�Requirements�
20)Bidder�shall�provide�local�panel�for�local�start/�stop�monitoring�of�auxiliaries�and�equipment�as�per�requirement�.The�requirement�shall�be�decided�during�detailed�engineering.�All�local�panel�shall�be�NEMA�4X�with�canopy.�
�
SPECIFICATION FORCONTROL & INSTRUMENTATION FOR AUX
PACKAGES
SPECIFICATION NO.:
VOLUME
SUB SECTION
REV. NO. DATE :
SHEET OF FOR
M N
O. P
EM
-666
6-0
GENERAL REQUIREMENT
1.0 Bidder shall provide complete and independent control & instrumentation system with all accessories, auxiliaries and associated equipments for the safe, efficient and reliable operation of auxiliary systems.
2.0 The quantity of instruments for auxiliary system shall be as per tender P &ID wherever provided of the respective system as a minimum, for bidding purpose. However, Bidder shall also include in his proposal all the instruments and devices that are needed for the completeness of the plant auxiliary system/ equipment supplied by the bidder, even if the same is not specifically appearing in the P & ID. During detail engineering if any additional instruments are required for safe & reliable operation of plant, bidder shall supply the same without any price implication.
3.0 Measuring instruments/equipment and subsystems offered by the bidder shall be from reputed experienced manufacturers of specified type and range of equipment, whose guaranteed and trouble free operation has been proven. Further all the instruments shall be of proven reliability, accuracy, and acceptable international standards and shall be subject to employer’s approval. All instrumentation equipment and accessories under this specification shall be furnished as per technical specification, ranges, makes/ numbers as approved by the employer’ during detail engineering.
4.0 The necessary root valves, impulse piping, drain cocks, gauge-zeroing cocks, valve manifold and all the other accessories required for mounting/ erection of these local instruments shall be furnished, even if not specifically asked for, on as required basis. The contacts of equipment mounted instruments; sensors, switches etc for external connection including spare contacts shall be wired out to suitably located junction boxes.
5.0 The customer specification attached as Specific Technical Requirement will supercede the Data sheets, if there is any mismatch.
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TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001 FOR VOLUME : IIB
DEBRIS FILTER (DF) SECTION : D REV. NO. 0 DATE :
15.06.2015 SHEET 1 of 1
SECTION – D
STANDARD TECHNICAL SPECIFICATION
SECTION D1 : DEBRIS FILTER SECTION D2 : ELECTRICAL SYSTEMS
SECTION D3 : C&I SYSTEM
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001 FOR VOLUME : IIB
DEBRIS FILTER (DF) SECTION : D REV. NO. 0 DATE :
15.06.2015 SHEET 1 of 1
SECTION D1
STANDARD TECHNICAL SPECIFICATION FOR
DEBRIS FILTER
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 1
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
1.0
G
EN
ER
AL
1.1
Type
of S
train
ers/
Filt
ers
-
Deb
ris F
ilter
1.2
No.
of S
train
ers/
Filt
ers
requ
ired
N
os.
Tota
l Fou
r (4)
Set
s. fo
r 2 U
nits
(2
set
s pe
r uni
t)
1.3
Inle
t con
nect
ion
(Nb)
mm
25
40 x
20
1.3
Out
let c
onne
ctio
n (N
b)
m
m
2540
x 2
0
1.4
Filte
r typ
e/ d
uty
-
On
line
/ con
tinuo
us
1.5
Loca
tion
-
Con
dens
er In
let (
Out
side
TG
Hal
l)
1.6
Liqu
id h
andl
ed
-
Sea
Wat
er a
s pe
r Ana
lysi
s A
ttach
ed a
long
with
pro
ject
info
rmat
ion
in s
ectio
n B
2.0
DES
IGN
DA
TA
2.1
Ope
ratin
g pr
essu
re
B
ar (g
) 2.
0 to
2.5
2.2
Des
ign
pres
sure
Kg/
cm2 )
5.
5 K
g/cm
2 (g)
& V
acuu
m 0
.1K
g/cm
2 (ab
s)
2.3
Des
ign
tem
pera
ture
Deg
. C
60
2.4
Flow
rate
thro
ugh
filte
r a)
Nor
mal
b)
Max
imum
3831
0 C
UB
.M/H
R
4597
2CU
B.M
/HR
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 2
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
2.5
Des
ign
diffe
rent
ial p
ress
ure
for f
ilter
se
ctio
n/ s
cree
n
Bar
(g)
1.5
(Min
.)
2.6
Type
of s
uspe
nded
mat
ter l
ikel
y to
en
ter t
he fi
lter
- Ty
pica
l deb
ris e
ncou
nter
ed in
clo
sed
circ
uit C
W s
yste
m w
ith C
oolin
g To
wer
2.7
Diff
eren
tial p
ress
ure
mea
surin
g sy
stem
set
pre
ssur
e �
For i
nitia
ting
flush
ing/
ba
ckw
ashi
ng
� Fo
r ala
rm/ a
nnun
ciat
ion
m
bar
m
bar
80
16
0
2.8
Filte
r sec
tion/
scr
een
perfo
ratio
n si
ze
m
m
5 m
m (M
ax)
2.
9 Fr
ee fl
ow a
rea
in th
e sc
reen
bas
ket
-
Atle
ast 1
20 %
of p
ipe
inle
t are
a
3.0
3.
1 P
ress
ure
drop
acr
oss
the
filte
r (i.e
. be
twee
n in
let a
nd o
utle
t con
nect
ion)
at
nor
mal
flow
-
a)
Cle
an c
ondi
tion
b) P
artia
lly (5
0%) c
hock
ed c
ondi
tion
mba
r
mba
r
Ref
er S
ectio
n –
C o
f spe
cific
atio
n
Not
to e
xcee
d 80
3.2
Deb
ris d
isch
arge
flow
dur
ing
flush
ing
perio
d
Cub
M/ H
r. N
ot to
exc
eed
2.5%
of t
otal
flow
rate
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 3
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
4.0
MA
TER
IALS
OF
CO
NST
RU
CTI
ON
4.1
Filte
r bod
y/ h
ousi
ng
-
Car
bon
Ste
el to
IS -2
062
Gr.B
. Rub
ber L
ined
(Min
. 5m
m th
ick)
in
side
(with
min
imum
hou
sing
thic
knes
s sa
me
as c
onne
ctin
g pi
pe
thic
knes
s)
4.
2 Fi
lter s
cree
n/ s
ectio
n
- D
uple
x S
S (U
NS
322
05/3
1803
)
4.3
Sha
ft
- D
uple
x S
S (U
NS
322
05/3
1803
)
4.4
Sup
porti
ng c
age
-
Dup
lex
SS
(UN
S 3
2205
/318
03)
4.5
Diff
eren
tial m
easu
ring
syst
em
-
Dup
lex
SS
(UN
S 3
2205
/318
03)
4.6
Flus
hing
/ bac
kwas
hing
uni
t
- D
uple
x S
S (U
NS
322
05/3
1803
)
4.7
Bac
kwas
h ro
tor s
hoes
- N
eopr
ene
4.8
Any
oth
er in
tern
al h
ardw
are
/pip
es
etc.
- D
uple
x S
S (U
NS
322
05/3
1803
)
4.
9 Fl
ushi
ng P
ump
(If A
pplic
able
)
a)
Cas
ing
-
Dup
lex
SS
(UN
S 3
2205
/318
03)
b)
Im
pelle
r -
Dup
lex
SS
(UN
S 3
2205
/318
03)
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 4
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
c)
Sha
ft -
AS
TM A
276
UN
S 3
1803
4.10
Val
ves
-
4.10
.1
Che
ck V
alve
s (6
5 N
B &
Abo
ve)
Fo
r siz
es 6
5 N
B a
nd a
bove
-Sw
ing
chec
k ty
pe o
r dua
l pla
te ty
pe.
a)
Bod
y &
Bon
net
D
uple
x S
S (U
NS
322
05/3
1803
), F
lang
ed E
nds
b)
D
isc
for C
heck
Val
ve
D
uple
x S
S (U
NS
322
05/3
1803
)
c)
Ste
m
D
uple
x S
S (U
NS
322
05/3
1803
) 4.
10.2
C
heck
Val
ves
(50
NB
& B
elow
)
For s
ize
50 N
B a
nd b
elow
-Pis
ton
type
a) B
ody
& B
onne
t
Dup
lex
SS
(UN
S 3
2205
/318
03),
Scr
ewed
End
s
b)
Dis
c fo
r Che
ck V
alve
Dup
lex
SS
(UN
S 3
2205
/318
03)
c)
Ste
m
D
uple
x S
S (U
NS
322
05/3
1803
)
4.10
.3
Gat
e/ G
lobe
Val
ves
50 N
b &
Bel
ow
Bod
y &
Bon
net
D
uple
x S
S (U
NS
322
05/3
1803
), S
crew
ed E
nds
4.10
.4
� G
ate
Val
ves
(upt
o 20
0 N
b) &
BFV
(A
bove
200
Nb)
�
Bod
y &
Dis
c
Dup
lex
SS
(UN
S 3
2205
/318
03)
�
Sha
ft
Dup
lex
SS
(UN
S 3
2205
/318
03)
�
Ste
m
D
uple
x S
S
�
Sea
ling,
Ret
aini
ng s
egm
ent &
in
tern
als
D
uple
x S
S (U
NS
322
05/3
1803
)
�
Bea
rings
S
elf l
ubric
atin
g / S
eal L
ubric
ated
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 5
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
�
Com
pani
on F
lang
e D
uple
x S
S (U
NS
322
05/3
1803
) �
C
) Bal
l val
ves
i) B
ody
ii) B
all
iii) S
tem
D
uple
x S
S (U
NS
322
05/3
1803
)
D
uple
x S
S (U
NS
322
05/3
1803
)
Dup
lex
SS
(UN
S 3
2205
/318
03)
4.11
In
terc
onne
ctin
g P
ipin
g (In
Pur
chas
er’s
Sco
pe)
a)
U
pto
150
Nb
� D
UP
LEX
SS
(AS
PE
R S
CH
40S
FO
R P
IPE
UP
TO 5
0 N
B &
S
CH
10S
FO
R P
IPE
SIZ
E A
BO
VE
50
NB
)
b)
20
0 N
b an
d ab
ove
a)
PIP
ING
200
NB
AN
D A
BO
VE
SH
ALL
BE
CA
RB
ON
STE
EL
AS
P
ER
IS 3
589
FAB
RIC
ATE
D F
RO
M IS
206
2 P
LATE
S
INTE
RN
ALL
Y L
INE
D W
ITH
CO
RR
OC
OA
T O
R P
OLY
UR
EA
C
OA
TIN
G IN
SID
E O
F 15
00 M
ICR
ON
S D
FT.
4.
12
In
spec
tion
hole
-
Req
uire
d, 6
00 N
B
5.
0 C
OU
NTE
R F
LAN
GE
S
5.1
CO
UN
TER
FLA
NG
ES fo
r D
EBR
IS F
ILTE
R
In P
urch
aser
’s S
cope
a)
Fl
ange
s C
arbo
n S
teel
to IS
-206
2 G
r.B. o
r eq(
Inte
rnal
ly L
ined
with
Cor
roC
oat o
r P
olyU
rea)
or D
uple
x S
S, f
or th
ickn
ess,
dril
ling
etc
refe
r Ann
exur
e II
in
sect
ion
C1
(In P
urch
aser
’s S
cope
)
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 6
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
b)
Fa
sten
ers
A 1
93 &
A 1
94
(In B
idde
r’s s
cope
).
c)
Gas
kets
M
in 4
mm
thic
k ru
bber
(In
Bid
der’s
sco
pe).
5.
2 O
THER
CO
UN
TER
FLA
NG
ES (f
or
inte
rcon
nect
ing
pipi
ng a
t Val
ves
and
othe
r Eq
uipm
ents
in B
idde
r’s S
cope
)
In B
idde
r's s
cope
a)
Fla
nges
D
uple
x S
S
b)
Fas
tene
rs
SS
316
L
c) G
aske
ts
Min
4 m
m th
ick
rubb
er
6.0
Mat
eria
l of O
ther
com
pone
nts
not
spec
ified
abo
ve
Sui
tabl
e fo
r int
ende
d du
ty a
nd s
hall
be s
ubje
ct to
Pur
chas
ers
appr
oval
du
ring
deta
iled
engg
. In
the
even
t of o
rder
. 7.
0 PA
INTI
NG
7.1
Ext
erna
l Sur
face
-
a)
Sur
face
pre
para
tion
-
SA
- 2.
5 of
Sw
edis
h S
pecn
. SIS
-05-
59-0
0-19
67
/ By
San
d B
last
ing
b)
Prim
er
Two
(2) c
oats
of E
poxy
prim
er c
oats
with
min
imum
thic
knes
s of
35
mic
rons
dft
of e
ach
coat
.
c) I
nter
med
iate
Epo
xy b
ased
TiO
2 pi
gmen
ted
coat
d)
Fin
al p
aint
Tw
o (2
) coa
ts o
f Hig
h bu
ild E
poxy
pai
nt w
ith m
inim
um th
ickn
ess
of 3
5 m
icro
ns d
ft of
eac
h co
at.
7.2
Inte
rnal
Sur
face
(for A
pplic
atio
ns n
ot
in D
irect
Con
tact
with
Sea
Wat
er
a)
Sur
face
pre
para
tion
SA
- 2.
5 of
Sw
edis
h S
pecn
. SIS
-05-
59-0
0-19
67
/ By
San
d B
last
ing
b)
Prim
er
Two
coat
of E
poxy
Res
in b
ased
Zin
c P
hosp
hate
epo
xy p
rimer
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 7
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
c)
Fin
al p
aint
Ade
quat
e no
. of c
oats
of c
oal
tar e
poxy
pai
nt to
ach
ieve
tota
l dry
film
th
ickn
ess
of 2
00 to
250
mic
rons
8.
0 SH
OP
TEST
8.1
Hyd
rost
atic
test
a)
Te
st P
ress
ure
bar (
g)
1.5
times
des
ign
pres
sure
b)
Te
st d
urat
ion
m
in.
30
8.2
Leak
age
test
a)
Te
st P
ress
ure
bar (
g)
Des
ign
pres
sure
b)
Tes
t dur
atio
n
min
. 30
9.0
Cat
hodi
c pr
otec
tion
YE
S (A
long
with
Sac
rific
ial t
ype
anod
ic p
rote
ctio
n by
Bid
der)
10.0
Fl
ow s
traig
htne
r for
stre
amlin
ing
the
CW
flow
in D
F
If re
quire
d as
per
bid
der’s
des
ign
– th
e sa
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& B
id
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luat
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11.1
P
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rman
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eter
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r cla
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no 8
.1.2
of S
ectio
n C
1
11.3
B
id e
valu
atio
n ra
te
@
Rs
48.8
Lac
s pe
r 0.1
MW
C p
r. D
rop
acro
ss e
ach
DF
11.4
Li
quid
ated
dam
ages
Twic
e th
e bi
d ev
alua
tion
rate
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 8
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
12.0
W
heth
er
auto
mat
ic
flush
ing/
ba
ck-
was
hing
ope
ratio
n ef
fect
ed b
y th
e fo
llow
ing
: i.
Diff
eren
tial p
ress
ure
ii.
Adj
usta
ble
timer
iii
. P
ush
butto
n
Yes
Yes
Y
es
13.0
W
heth
er
prov
isio
n fo
r m
anua
l flu
shin
g /
back
was
hing
ope
ratio
n is
m
ade
in t
he e
vent
of
cont
rol s
yste
m
failu
re.
Y
es
14.0
Whe
ther
bu
ilt
in
flush
ing
arra
ngem
ent
com
plet
e w
ith f
lush
ing
pum
p, v
alve
s, a
nd a
ssoc
iate
d pi
ping
, is
pro
vide
d.
Y
ES
(If r
equi
red)
15.0
M
anda
tory
Spa
re to
be
supp
lied
unde
r thi
s sp
ecifi
catio
n by
Bid
der:
1 41
5 V
Mot
or
1.1
Term
inal
pla
tes
Nos
. 10
Nos
. eac
h fo
r sm
all m
otor
s up
to 3
0 kW
& 4
Nos
. eac
h fo
r mor
e th
an 3
0 kW
1.
2 H
eate
rs
Set
2
Set
s 1.
3 G
reas
ing
arra
ngem
ents
S
et
4 se
ts e
ach
type
of m
otor
1.
4 M
otor
of e
ach
type
and
ratin
g N
os.
1 N
o.
1.5
Bea
rings
(DE
and
ND
E) f
or e
ach
type
and
ratin
g of
mot
or
Set
4
Set
s
2 C
&I S
pare
s
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 9
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
2.1
Eac
h ty
pe o
f lam
ps, P
Bs,
ILP
Bs,
fu
se, M
CB
, MC
CB
use
d in
the
equi
pmen
t/sys
tem
.
Nos
. 20
% o
f ins
talle
d of
eac
h ty
pe
2.2
Indi
cato
rs, r
ecor
ders
and
met
ers
offe
red
from
eac
h m
odel
for t
he
proj
ect.
Thes
e in
stru
men
ts s
hall
be s
uppl
ied
with
thre
e se
ts o
f bl
ank
scal
es.
Nos
. 10
% o
f Ins
talle
d of
eac
h ty
pe/M
odel
or a
min
imum
of o
ne n
umbe
r fo
r eac
h m
odel
and
type
, whi
chev
er is
mor
e
2.3
For s
kid
mou
nted
inst
rum
ents
N
os.
10 %
of t
otal
no.
of i
nstru
men
ts fo
r eac
h ty
pe a
nd M
odel
or a
m
inim
um o
f one
num
ber f
or e
ach
mod
el a
nd ty
pe, w
hich
ever
is
mor
e 2.
4 Te
mpe
ratu
re, T
rans
mitt
ers
and
Ele
ctro
nic
Tran
smitt
ers
(For
P
ress
ure,
DP
, Tem
p, F
low
, Le
vel),
Tem
pera
ture
, Pre
ssur
e,
Flow
& L
evel
Sw
itch,
saf
ety
switc
hes,
Gau
ges,
met
ers,
Tr
ansd
ucer
or a
ny o
ther
in
stru
men
t etc
.
Nos
. 10
% o
f tot
al n
umbe
r of I
nstru
men
ts/tr
ansd
ucer
s of
fere
d fo
r eac
h m
odel
and
type
for t
he p
roje
ct
or a
min
imum
of o
ne n
umbe
r, w
hich
ever
is m
ore.
2.5
Hoo
ters
, Buz
zers
, Coo
ling
fans
of
each
type
. N
os.
Ten
(10)
per
cent
or 2
no.
(Whi
chev
er is
mor
e)
2.6
Inte
rface
cab
les
Set
2
sets
of e
ach
type
/mod
el
2.7
Pow
er s
uppl
y m
odul
es (A
C to
DC
C
onve
rtors
) N
os.
10%
or F
ive
no. (
Whi
chev
er is
mor
e) o
f eac
h ty
pe/m
odel
2.8
Rel
ay b
ased
Con
trol P
anel
s
2.
8.1
LED
s fo
r ind
icat
ing
light
s N
os.
10%
of q
ty in
stal
led.
2.
8.2
Con
trol c
ircui
t fus
es/M
CB
/MC
CB
/ S
emic
ondu
ctor
Fus
es
Nos
. 30
0% o
f ins
talle
d of
eac
h ty
pe, c
urre
nt ra
ting.
2.8.
3 R
elay
s m
odul
es &
con
tact
ors.
N
os.
20%
spa
re o
f qty
Inst
alle
d of
eac
h ty
pe &
ratin
g.
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 10
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
2.9
Ala
rm A
nnun
ciat
ion
Sys
tem
2.
9.1
logi
c m
odul
es, g
roup
car
d m
odul
es, p
ower
sup
ply
mod
ules
, H
oote
rs a
nd a
ny o
ther
ele
ctro
nic
mod
ule.
Nos
. 20
% s
pare
s of
eac
h ty
pe in
stal
led
2.9.
2 un
-eng
rave
d w
indo
w b
oxes
co
mpl
ete
with
LE
D e
tc.
Nos
. 5%
spa
res
of e
ach
type
inst
alle
d
2.9.
3 LE
Ds
for a
nnun
ciat
ion
faci
a w
indo
ws
and
LED
s bo
x as
sem
blie
s of
fere
d fo
r the
pro
ject
Nos
. 20
% o
f qty
inst
alle
d
2.9.
4 A
nnun
ciat
or h
oote
r N
os.
One
(1) N
o. o
f eac
h ty
pe
2.10
E
rect
ion
Har
dwar
e
2.
10.1
In
stru
men
t val
ves
Nos
. Te
n (1
0) p
erce
nt o
f eac
h ty
pe &
Siz
e in
stal
led
2.10
.2
Con
dens
ate
pots
of e
ach
type
&
Siz
e in
stal
led
Nos
. Te
n (1
0) p
erce
nt o
f tot
al n
umbe
r of I
nsta
lled
or fo
ur n
umbe
rs
whi
chev
er is
hig
her .
2.
10.3
M
anifo
ld
Nos
. Te
n (1
0) p
erce
nt o
f eac
h ty
pe &
Siz
e in
stal
led
2.10
.4
Fitti
ngs
Nos
. Te
n (1
0) p
erce
nt o
f eac
h ty
pe &
Siz
e in
stal
led
N
otes
for M
anda
tory
Spa
res:
1.
Fo
r C&
I Man
dato
ry S
pare
not
cov
ered
abo
ve: B
idde
r to
supp
ly 1
0% o
r 1 n
o. (w
hich
ever
is m
ore)
of e
ach
type
of
sens
or/in
stru
men
t, in
stru
men
tatio
n/m
echa
nica
l fitt
ings
etc
for a
ny o
ther
ele
ctro
nic
syst
em, f
eede
r con
trol c
abin
ets,
hy
dras
tep
(EW
LI),
Vib
ratio
n M
onito
ring
Sys
tem
, CC
TV, C
&I L
ab In
stru
men
ts, O
n lin
e C
arbo
n in
Ash
ana
lyse
r sys
tem
, O
n lin
e C
oal m
ass
flow
/spe
ed m
easu
rem
ent s
yste
m, O
n lin
e se
cond
ary
air f
low
mea
sure
men
t sys
tem
Mas
s Fl
ow m
eter
, S
olid
flow
met
er, 3
D A
cous
tic ty
pe le
vel t
rans
mitt
ers,
Nuc
leon
ic &
non
nuc
leon
ic d
ensi
ty tr
ansm
itter
etc
. 2.
A
ll S
pare
s m
entio
ned
at S
.No.
1 a
re fo
r Tw
o 66
0 M
W u
nits
. 3.
A
ll S
pare
s m
entio
ned
at S
.No.
2 a
re p
er 6
60 M
W u
nit b
asis
. 4.
Spa
res
not a
pplic
able
for t
he P
acka
ge to
be
spec
ifica
lly q
uote
d as
“NO
T A
PP
LIC
AB
LE”.
TITL
E :
DAT
A SH
EET
A F
ORSP
ECIF
ICAT
ION
NO
. PE
-TS-
412
-165
-N00
1
DEBR
IS F
ILTE
R (D
F)
VOLU
ME
:
II
B
BO
OK
: I
REV
. NO
.
00
D
ATE
-15.
06.2
015
Pag
e 11
of 1
1
S. N
o.D
ESC
RIP
TIO
N
UN
ITS
ENN
OR
E SE
Z ST
PP 2
X660
MW
NO
TE
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hick
ness
of H
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ng P
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TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001 FOR VOLUME : IIB
DEBRIS FILTER (DF) SECTION : D REV. NO. 0 DATE :
15.06.2015 SHEET 1 of 1
SECTION D2
STANDARD TECHNICAL SPECIFICATION FOR
ELECTRICAL SYSTEMS
SECTION : D
TITLE : GENERAL TECHNICAL REQUIREMENTs
FOR
LV MOTORS
SPECIFICATION NO. PE-SS-999-506-E101 VOLUME NO. : II-B
REV NO. : 00 DATE : 29/08/2005SHEET : 1 OF 1
GENERAL TECHNICAL REQUIREMENTS
FOR
LV MOTORS
SPECIFICATION NO.: PE-SS-999-506-E101 Rev 00
TITLE : GENERAL TECHNICAL REQUIREMENTs
FOR
LV MOTORS
SPECIFICATION NO. PE-SS-999-506-E101 VOLUME NO. : II-BSECTION : DREV NO. : 00 DATE : 29/08/2005SHEET : 1 OF 4
1.0 INTENT OF SPECIFIATION
The specification covers the design, materials, constructional features, manufacture, inspection and testing at manufacturer’s work, and packing of Low voltage (LV) squirrel cage induction motors along with all accessories for driving auxiliaries in thermal power station.
Motors having a voltage rating of below 1000V are referred to as low voltage (LV) motors.
2.0 CODES AND STANDARDS
Motors shall fully comply with latest edition, including all amendments and revision, of following codes and standards:
IS:325 Three phase Induction motors IS : 900 Code of practice for installation and maintenance of induction motors IS: 996 Single phase small AC and universal motors IS: 4722 Rotating Electrical machines IS: 4691 Degree of Protection provided by enclosures for rotating electrical machines IS: 4728 Terminal marking and direction of rotation rotating electrical machines IS: 1231 Dimensions of three phase foot mounted induction motors IS: 8789 Values of performance characteristics for three phase induction motors IS: 13555 Guide for selection and application of 3-phase A.C. induction motors for
different types of driven equipment IS: 2148 Flame proof enclosures for electrical appliance IS: 5571 Guide for selection of electrical equipment for hazardous areas IS: 12824 Type of duty and classes of rating assigned IS: 12802 Temperature rise measurement for rotating electrical machnines IS: 12065 Permissible limits of noise level for rotating electrical machines IS: 12075 Mechanical vibration of rotating electrical machines
In case of imported motors, motors as per IEC-34 shall also be acceptable.
3.0 DESIGN REQUIREMENTS
3.1 Motors and accessories shall be designed to operate satisfactorily under conditions specified in data sheet-A and Project Information, including voltage & frequency variation of supply system as defined in Data sheet-A
3.2 Motors shall be continuously rated at the design ambient temperature specified in Data Sheet-A and other site conditions specified under Project Information Motor ratings shall have at least a 15% margin over the continuous maximum demand of the driven equipment, under entire operating range including voltage & frequency variation specified above.
3.3 Starting Requirements
3.3.1 Motor characteristics such as speed, starting torque, break away torque and starting time shall be properly co-ordinated with the requirements of driven equipment. The accelerating torque at any speed with the minimum starting voltage shall be at least 10% higher than that of the driven equipment.
3.3.2 Motors shall be capable of starting and accelerating the load with direct on line starting without exceeding acceptable winding temperature.
TITLE : GENERAL TECHNICAL REQUIREMENTs
FOR
LV MOTORS
SPECIFICATION NO. PE-SS-999-506-E101 VOLUME NO. : II-BSECTION : DREV NO. : 00 DATE : 29/08/2005SHEET : 2 OF 4
The limiting value of voltage at rated frequency under which a motor will successfully start and accelerate to rated speed with load shall be taken to be a constant value as per Data Sheet - A during the starting period of motors.
3.3.3 The following frequency of starts shall apply
i) Two starts in succession with the motor being initially at a temperature not exceeding the rated load temperature.
ii) Three equally spread starts in an hour the motor being initially at a temperature not exceeding the rated load operating temperature. (not to be repeated in the second successive hour)
iii) Motors for coal conveyor and coal crusher application shall be suitable for three consecutive hot starts followed by one hour interval with maximum twenty starts per day and shall be suitable for mimimum 20,000 starts during the life time of the motor
3.4 Running Requirements
3.4.1 Motors shall run satisfactorily at a supply voltage of 75% of rated voltage for 5 minutes with full load without injurious heating to the motor.
3.4.2 Motor shall not stall due to voltage dip in the system causing momentary drop in voltage upto 70% of the rated voltage for duration of 2 secs.
3.5 Stress During bus Transfer
3.5.1 Motors shall withstand the voltage, heavy inrush transient current, mechanical and torque stress developed due to the application of 150% of the rated voltage for at least 1 sec. caused due to vector difference between the motor residual voltage and the incoming supply voltage during occasional auto bus transfer.
3.5.2 Motor and driven equipment shafts shall be adequately sized to satisfactorily withstand transient torque under above condition.
3.6 Maximum noise level measured at distance of 1.0 metres from the outline of motor shall not exceed the values specified in IS 12065.
3.7 The max. vibration velocity or double amplitude of motors vibration as measured at motor bearings shall be within the limits specified in IS: 12075.
4.0 CONSTRUCTIONAL FEATURES
4.1 Indoor motors shall conform to degree of protection IP: 54 as per IS: 4691. Outdoor or semi-indoor motors shall conform to degree of protection IP: 55 as per IS: 4691and shall be of weather-proof construction. Outdoor motors shall be installed under a suitable canopy
4.2 Motors upto 160KW shall have Totally Enclosed Fan Cooled (TEFC) enclosures, the method of cooling conforming to IC-0141 or IC-0151 of IS: 6362.
Motors rated above 160 KW shall be Closed Air Circuit Air (CACA) cooled
4.3 Motors shall be designed with cooling fans suitable for both directions of rotation.
TITLE : GENERAL TECHNICAL REQUIREMENTs
FOR
LV MOTORS
SPECIFICATION NO. PE-SS-999-506-E101 VOLUME NO. : II-BSECTION : DREV NO. : 00 DATE : 29/08/2005SHEET : 3 OF 4
4.4. Motors shall not be provided with any electric or pneumatic operated external fan for cooling the motors.
4.5 Frames shall be designed to avoid collection of moisture and all enclosures shall be provided with facility for drainage at the lowest point.
4.6 In case Class ‘F’ insulation is provided for LV motors, temperature rise shall be limited to the limits applicable to Class ‘B’ insulation. In case of continuous operation at extreme voltage limits the temperature limits specified in table-1 of IS:325 shall not exceed by more than 10�C.
4.7 Terminals and Terminal Boxes
4.7.1 Terminals, terminal leads, terminal boxes, windings tails and associated equipment shall be suitable for connection to a supply system having a short circuit level, specified in the Data Sheet-A.
Unless otherwise stated in Data Sheet-A, motors of rating 110 kW and above will be controlled by circuit breaker and below 110 kW by switch fuse-contactor. The terminal box of motors shall be designed for the fault current mentioned in data sheet “A”.
4.7.2 unless otherwise specified or approved, phase terminal boxes of horizontal motors shall be positioned on the left hand side of the motor when viewed from the non-driving end.
4.7.3 Connections shall be such that when the supply leads R, Y & B are connected to motor terminals A B & C or U, V & W respectively, motor shall rotate in an anticlockwise direction when viewed from the non-driving end. Where such motors require clockwise rotation, the supply leads R, Y, B will be connected to motor terminals A, C, B or U W & V respectively.
4.7.4 Permanently attached diagram and instruction plate made preferably of stainless steel shall be mounted inside terminal box cover giving the connection diagram for the desired direction of rotation and reverse rotation.
4.7.5 Motor terminals and terminal leads shall be fully insulated with no bar live parts. Adequate space shall be available inside the terminal box so that no difficulty is encountered for terminating the cable specified in Data Sheet-A.
4.7.6 Degree of protection for terminal boxes shall be IP 55 as per IS 4691.
4.7.7 Separate terminal boxes shall be provided for space heaters.. If this is not possible in case of LV motors, the space heater terminals shall be adequately segregated from the main terminals in the main terminal box. Detachable gland plates with double compression brass glands shall be provided in terminal boxes.
4.7.8. Phase terminal boxes shall be suitable for 360 degree of rotation in steps of 90 degree for LV motors.
4.7.9 Cable glands and cable lugs as per cable sizes specified in Data Sheet-A shall be included. Cable lugs shall be of tinned Copper, crimping type.
4.8 Two separate earthing terminals suitable for connecting G.I. or MS strip grounding conductor of size given in Data Sheet-A shall be provided on opposite sides of motor frame. Each terminal box shall have a grounding terminal.
4.9 General
TITLE : GENERAL TECHNICAL REQUIREMENTs
FOR
LV MOTORS
SPECIFICATION NO. PE-SS-999-506-E101 VOLUME NO. : II-BSECTION : DREV NO. : 00 DATE : 29/08/2005SHEET : 4 OF 4
4.9.1 Motors provided for similar drives shall be interchangeable.
4.9.2 Suitable foundation bolts are to be supplied alongwith the motors.
4.9.3 Motors shall be provided with eye bolts, or other means to facilitate safe lifting if the weight is 20Kgs. and above.
4.9.4 Necessary fitments and accessories shall be provided on motors in accordance with the latest Indian Electricity rules 1956.
4.9.5 All motors rated above 30 kW shall be provided with space heaters to maintain the motor internal air temperature above the dew point. Unless otherwise specified, space heaters shall be suitable for a supply of 240V AC, single phase, 50 Hz.
4.9.6 Name plate with all particulars as per IS: 325 shall be provided
4.9.7 Unless otherwise specified, the colour of finish shall be grey to Shade No. 631 and 632 as per IS:5 for motors installed indoor and outdoor respectively. The paint shall be epoxy based and shall be suitable for withstanding specified site conditions.
5.0 INSPECTION AND TESTING
5.1 All materials, components and equipments covered under this specification shall be procured, manufactured, as per the BHEL standard quality plan No. PED-506-00-Q-006/0 and PED-506-00-Q-007/2 enclosed with this specification and which shall be complied.
5.2 LV motors of type-tested design shall be provided. Valid type test reports not more than 5 year shall be furnished. In the absence of these, type tests shall have to be conducted by manufacturer without any commercial implication to purchaser.
5.3 All motors shall be subjected to routine tests as per IS: 325 and as per BHEL standard quality plan.
5.4 Motors shall also be subjected to additional tests, if any, as mentioned in Data Sheet A.
6.0 DRAWINGS TO BE SUBMITTED AFTER AWARD OF CONTRACT
a) OGA drawing showing the position of terminal boxes, earthing connections etc. b) Arrangement drawing of terminal boxes. c) Characteristic curves: (To be given for motor above 55 kW unless otherwise specified in Data Sheet).
i) Current vs. time at rated voltage and minimum starting voltage. ii) Speed vs. time at rated voltage and minimum starting voltage.
iii) Torque vs. speed at rated voltage and minimum voltage. For the motors with solid coupling the above curves i), ii), iii) to be furnished for the motors coupled with driven equipment. In case motor is coupled with mechanical equipment by fluid coupling, the above curves shall be furnished with and without coupling.
iv) Thermal withstand curve under hot and cold conditions at rated voltage and max. permissible voltage.
CU
STO
ME
R :
P
RO
JEC
T-2X
660M
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2
TITLE : TECHNICAL SPECIFICATION SPEC. NO. PE-TS- 412-165-N001 FOR VOLUME : IIB
DEBRIS FILTER (DF) SECTION : D REV. NO. 0 DATE :
15.06.2015 SHEET 1 of 1
SECTION D3
STANDARD TECHNICAL SPECIFICATION FOR
C&I SYSTEMS
NOT APPLICABLE