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    Lanco Babandh Power Private Ltd.APPENDIX X

    BASIC DESIGN CRITERIA

    1.1 INTRODUCTION

    This section describes the technical requirements for the controland instrumentation (C&I) system for the Lanco Babandh ThermalPower Project.

    1.1.1 The Contractor shall provide control & instrumentationsystem for control, monitoring & operation of the entiremain package in all regimes of operation in safe &most efficient manner. The Contractor shall provide allsystems, equipment, accessories and associatedequipment in a fully operational condition acceptableto the owner. The Contractor shall also provide allmaterial, equipment and services which may not be

    specifically stated in the specifications but are requiredfor completeness of the equipment / systems furnishedby the Contractor and for meeting the intent andrequirements of these specifications.

    1.1.2 Contractors control system shall ensure safe, reliable and effectiveoperation of equipment supplied by them. The main power plantpackage shall seamlessly integrate with the other balance of plantpackages to provide a complete and satisfactorily operating thermalpower plant.

    1.1.3 It is not the intent to describe technical requirement of all the C&Iitems required to be provided by the Contractor to make hisequipment and systems working satisfactorily to the satisfaction ofthe owner. The owner is relying on Contractors experience andexpertise for the equipment including the control system.

    1.1.4 The work shall be consistent with modern power plant practices andshall be in compliance with all applicable codes, standards,guidelines and safety requirements in force on the date of award ofthe contract. The requirements of statutory authorities with regardto various plant areas shall be complied even if not actually speltout.

    1.1.5 The Contractor shall note that all systems/ equipment described inthis specification are for one unit.

    1.2 DESIGN OBJECTIVES OF CONTROL ANDINSTRUMENTATION SYSTEM

    1.2.1 The Control & Instrumentation (C&I) systems and devices beingprovided shall be of proven design and shall be selected to achievehighest level of plant availability. In the event of any Instrument orC&I items not working satisfactorily within plant warranty period,the Contractor shall replace them with a good one to thesatisfaction of Owner. The main objectives of the C&I system are asfollows:

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    i) To allow safe start-up, synchronisation, operation, shutdown,emergency tripping, control, protection, and monitoring ofplant systems and equipment.

    ii) To allow the optimised and efficient use of all plant systemsand equipment

    iii) To maximise the availability of the plant.iv) To provide maximum level of automationv) To provide comprehensive monitoring, fault diagnosis, and

    display of Information related to plant equipment, system,and their performance.

    vi) To centralise monitoring and control the two unit fromcommon control room

    vii) To provide personnel safetyviii) To provide flexibility and expansion capability of the systemix) To minimise plant personnel (both Operation and

    Maintenance)

    1.2.2 The Control & Instrumentation devices and systems design shallensure maximum availability, reliability, operability andmaintainability. Contractor shall ensure 25 years of service life forall equipment and systems furnished for the plant. With this servicelife, all the parts and components shall function normally underspecified working conditions.

    1.2.3 The entire C&I equipment shall be designed and supplied accordingto the requirements of Thermal Power Plant operation. Control andremote monitoring means shall be set according to the

    requirements. The Contractor shall have the responsibility to selectand configure C&I equipment such as sensors, signal converters,and microcomputers according to the requirements of thisspecification and other C&I codes, and the conditions restricted byprocess.

    1.2.4 C&I equipment supplied shall be new with proven track record,sophisticated and conform to the requirements of this specification.

    The Contractor shall furnish in their offer the performance of theequipment selected, such as accuracy/ precision, repeatability, andperformance drift with time and temperature.

    1.2.5 Permissible conditions shall be set for single control object toprevent it from being put into operation inappropriately. Theoperator shall not be able to put control in auto mode if thenecessary conditions are not fulfilled. When, in auto mode it shallautomatically and bumplessly change to manual mode in the lossof necessary conditions or in case of failure of the system.Interlocking shall also be set to cut off the controlled object inhazardous work conditions.

    1.2.6 Critical hardwired Alarms (91 windows) shall be provided forabnormal controlled conditions that are to be controlled by

    Operators in the Central Control Room or may affect the operationof equipment or personnel safety.

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    1.2.7 The control system shall be functionally distributed and highlymodular, reflecting the function groups of the controlled equipmentand systems of the plant. Such functional grouping strategy shallalso be reflected by the distribution of controllers to ensure thereliability and availability of the system.

    1.2.8 Local control panel supplied by the Contractor for certain systemsshall include control for all the devices of that system. Theoperators shall be able to operate a system from the local controlpanel instead of operating different equipment of the system fromdifferent positions.

    1.2.9 The Contractor shall supply all necessary furniture includingergonomically designed Tables, chairs & desks for use at theControl Room desks and various programming stations & also all

    necessary furniture for the PCs & Printers supplied by Contractor asper this specification. The complete furniture shall also be suppliedto set up maintenance & calibration equipment laboratories and thesame shall be completely erected & commissioned by theContractor. All the equipment like programmer stations, PC'svarious peripherals & similar devices shall be complete with desks,racks, stands, and other mounting accessories.

    1.2.10 The equipment shall employ latest state of the art technology toguard against obsolescence. In any case, Contractor shall ensuresupply of spare parts associated with equipments in theContractor's scope upto 15 years for DCS and for other control

    system.

    1.2.11 The DDCMIS shall be OPEN system. The Turbine Control andInstrumentation System and Boiler Control and Instrumentationsystem shall be seamlessly integrated with the DDCMIS.

    1.2.12 The DDCMIS shall integrate the control & monitoring functions forthe boiler, turbine, and BOP (Balance of Plant) systems with ahierarchically distributed structure.

    1.2.13 Standby equipment, wherever provided, shall start when system

    conditions move beyond the parameters set for normal operation.

    1.2.14 The DDCMIS should incorporate the latest bus technologies,including HART, Foundation Field Bus, Profibus DP, and Device Netfor enabling quick, easy calibration, configuration and diagnostics.

    1.2.15 Single Failure Criteria

    The control system shall meet the following fault prevention andhandling Principles:

    i) Single fault shall not lead to the failure of the whole controlsystem

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    ii) Single fault shall not cause false action or no action of theprotection system

    iii) When the control functions are grouped into units, only partof the whole control system shall be degraded on failure ofControl System component. Such partial control degradingshall be able to be intervened by the operators at any time

    iv) System redundancy shall be provided to ensure that singlefault in the control system shall not lead to the failure of therunning equipment or unavailability of the standbyequipment

    v) If some equipment or control function fails in the controlsystem and its driving level is not responding to the controlsignals, then this control function shall automatically becomeinvalid and step out, keeping the original position.

    1.2.16 Reliability & Availability

    The C&I systems shall be designed for safe, reliable, efficient andeasy operation. Each component & system offered by theContractor shall be of established reliability. The minimum targetreliability of each component of C&I system like each Electronicmodule/card, Power supply, peripherals etc. shall be established bythe Contractor, considering its failure rate/mean time betweenfailure (MTBF), meantime to repair (MTTR), such that the availabilityof the complete C&I system is assured for 99.7% or better. Furtherthe Contractor shall ensure that all equipment/part of his system,that are not listed under recommended spares, shall have normallife expectancy exceeding the expected life of the plant i.e. (30)years. In order to ensure the target reliability, the Contractor shallensure selection of proper materials, control manufacturingprocess, use quality controlled components and parts, takeadequate design margins & De-rating of electronic components andparts and carry out necessary tests etc.

    1.2.17 The Contractor shall submit detailed reliability calculations for eachsystem/ equipment which (with the help of a schematic of varioussub-system connected in series or in parallel as the case may beand MTBF & MTTR values for the various equipment) shall show thatavailability calculation is as per relevant IEEE standard. Contractor

    along with Bid shall submit this.

    1.2.18 To ensure the availability of control system, suitable redundancyshall be provided at sensor level, hardware and software. For theprotection system independent sensing device shall be provided toensure adequate safety of plant equipment.

    1.2.19 Any single failure of the instruments or control equipment shall notaffect the performance of the unit in any way. For hardwareconfiguration following guidelines shall be followed:

    i) For very critical application like protection of boiler(MFT), turbine protection system, triple modular redundant

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    (TMR) hardware (i.e. controllers/processors) and triplicatesensors shall be used.ii) For critical closed loop control system three redundantsensors and transmitters with median selection shall be used.For other closed loop control system 2 sensors andtransmitters must be used with selection facility.iii) For balance protection, close control loops, sequentiallogic and related measurement dual redundant hardware (i.e.field sensors, controllers, communication cards, power supplymodules alongwith interfacing equipments etc.) shall beused.iv) For balance measurements for monitoring applicationnon-redundant hardware may be used.v) Redundancy shall be provided for all power suppliesfrom source to each consumer, for all communication buses,for all communication cards including the coupling and

    interfacing devices.vi) Dual / Triple redundant sensors shall be wired todifferent I/O modules, as per the acquisition and wiringsystem described elsewhere in the specification.

    For common field protection signals to BFPs like Deaerator levelvery low, CEPs like hot well level very low, and ECW, ARCW Pumpsetc., must be 2 out of 3 for tripping of auxiliaries. For CW pump, onelevel transmitter and one level switch shall be provided for CWtripping in 1 out of 2 mode for each CW sump pit. The control of CW,ARCW, Compressor house equipments and CT fans are envisagedfrom main plant DDCMIS. Remote I/O cabinet for CW/ACW system

    as well as Fuel oil pressurization system, Compressor house alongwith dual redundant optical fiber cables shall be in scope of theContractor. For CW/ARCW and Compressor house equipments; thereshould be Local start/stop facility. For Fuel Oil pressurizationsystem, Local start/stop PB and ON/OFF/TRIP status shall beprovided. For important LT drives, like Seal Oil Pumps, Clinkergrinders, Air Preheaters, Lube Oil Pumps, Fuel Oil Pumps, CT Fansmotor current indication should be available in DCS with 4 to 20 mAinputs.

    1.2.20 Fail Safe Principle

    The design of the control systems and related equipment shalladhere to the principle of `Fail Safe' operation wherever safety ofpersonnel/ plant equipment is involved. `Fail Safe' operationsignifies that the loss of power, loss of air, loss of signal, loss ofexcitation or failure of any component shall not cause a hazardouscondition. However, it shall also be ensured that occurrence of falsetrips are avoided/ minimized. The types of failure, which shall betaken into account for ensuring operability of the plant shall includebut not, limited to:

    i) Failure of sensor or transmitter

    ii) Failure of main and/or redundant controller or othermodules during automatic operation

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    iii) Loss of motive power to final control elementiv) Loss of control powerv) Loss of instrument airvi) Failure of output from control device to final controlelements

    1.2.21 Contractor shall provide one common Central Control Room (CCR)for centralized control of the unit. One Control Equipment Room(CER) per unit shall be provided at operating floor for placing thesystem cum termination cabinets of various plant control systemslike DDCMIS, boiler control, turbine control, control and operation of11KV, 6.6 KV and 415 V switchgear for BTG area. No separatemarshalling cabinets shall be provided. The unit control &monitoring philosophy envisaged for this project in all regimes ofoperation, i.e. start-up, shut-down, load maneuvering, load throwoff, emergency handling etc., is through colour TFTs / keyboards &

    Mouse of Operator Work Station (OWS) mounted on Unit ControlDesk (UCD) in the Central Control Room (CCR). All the informationrequired for safe & efficient operation of the plant shall be displayedon TFTs at high speed & accuracy in specially designed displayssuitable for power plant operation. The boiler, turbine and generatoralong with their associated auxiliaries of the unit shall be controlledand monitored from Central Control Room. The CCR shall houseUCD on which TFTs / keyboards with Mouse are mounted and UnitControl Board on which conventional back up instruments for safeshutdown requirements. In addition to above, Large Video Screen(LVS), peripherals like printers are also housed in Central ControlRoom. Engineers Room, Shift Supervisors Room, Pantry, Toilets

    (Both Ladies and gents), shall be provided adjacent to the controlroom.

    1.2.22 Not used

    1.2.23 Operability & Maintainability

    These systems and equipment shall be designed for ease ofoperation and equipment maintainability. The choice of hardwareshall also take into account sound maintainability principles andtechniques. The same shall include but shall not be limited to thefollowing: -

    i) Standardization of parts

    ii) Minimum use of special tools

    iii) Grouping of functions

    iv) Interchangeability

    v) Malfunction identification facility/self surveillance facility

    vi) Easy modular replacement

    vii) Easy removal, replacement and repair

    viii) Easy assembly and disassembly

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    ix) Fool proof design providing proper identification and other

    features to preclude improper mounting and installation.

    x) Appropriate De-rating of electronic components and parts

    xi) Equipment/ devices, which require maintenance, shall besuitably located to ensure easy accessibility for maintenance.

    1.2.24 Standardization

    To ensure smooth and optimal maintenance, easyinterchangeability including efficient spare parts management ofvarious C&I instruments/ equipment like vibration monitoringsystems, all 4-20 mA electronic transmitters/ transducers, controlvalves, actuators and other instruments/ local devices etc. beingfurnished by the Contractor for main plant areas (i.e. SG, TG etc.)and other plant auxiliaries for similar applications, the Contractor

    shall ensure that they are of the same make, series and family ofhardware.Note: For the equipments and control system supplied byequipment manufacture and sub-suppliers, the Contractor shallensure same make series and family of hard wares to the extentpossible. However, for the equipments and control system notsupplied by equipment manufacturer and sub-suppliers, Contractorshall ensure same make series and family of hard wares.

    1.2.25 Hazardous Area

    All Instruments and control equipment/ devices scheduled for use inhazardous areas shall be of explosion-proof construction, dulycertified, or where such construction is not practical then 'IntrinsicSafety' (IS) circuitry and barriers shall be rigidly applied. Suchbarriers shall not interfere with the normal operation of the system.NEC/ IEC requirements of Hazardous Area shall be followed ingeneral.

    All equipment/ devices offered by the Contractor for use inhazardous areas shall have the necessary certification by theappropriate national / international authorities and its proposedapplication shall fully comply with all conditions of the certificate.

    The instruments, which shall be installed in the hazardous area,shall have approval of installation from CCOE, Nagpur.

    1.2.26 Colour Shade

    Colour shade of all panel/ desk, system/marshalling/relay/Powersupply cabinets etc. and Local panel, cabinets, TransmitterEnclosures/Racks, Junction Boxes, Electrical actuator etc. shall beuniform through out the plant and shall be decided during detailedengineering and shall be subject to Owner/Consultant approval.

    The colour of Instrument cable outer sheath (Signal & ControlCable) shall be as per respective standard.

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    1.2.27 Environmental ConditionsEnvironment condition for indoor and outdoor are specifiedelsewhere in the specification. Control room shall be under airconditioned environment. All equipment/systems located in Airconditioned area shall also be designed to operate for considerableperiod of time, when Air conditioner is not available, withoutdegradation in functionality. Contractor shall mention in their offerthat for how many hours the DDCMIS, boiler control andInstrumentation system, turbine control and Instrumentationsystem, and BoP package systems can run without air conditionerunder operation.

    1.2.28 The international system of units shall be used for design, drawings,diagrams, instruments etc.

    1.3 CODES AND STANDARDS

    1.3.1 All equipments, system and service covered under this specificationshall comply with the requirements of the latest statute regulationsand safety codes as applicable in the locality where theequipments/systems shall be installed. The Contractor shall fullyacquaint himself with these requirements and shall ensurecompliance with them.

    The equipments, systems and services furnished as per thisspecification shall conform to the codes and standards mentioned inthis Section. However in the event of any conflict between the

    requirements of two standards or between the requirements of anystandard and this specification, the more stringent requirementsshall apply unless confirmed otherwise by the Owner in writing. Thedecision of the Owner shall be final and binding in all such cases.

    The Contractors scope of supply shall include some items such asthermowells and other in-line devices for main steam, hot reheat,cold reheat, feed water system falling under the purview of IndianBoiler Regulation (IBR) Act. It shall be the responsibility of theContractor to obtain the necessary approval of the concernedInspecting Authority/Chief Inspector of Boilers for the design anddesign calculations and manufacturing.

    1.3.2 Reference Codes and Standards

    The design, manufacturing, inspection, testing, site calibration andinstallation of all equipment and systems covered under thisspecification shall conform to the latest editions of codes andstandards mentioned below and all other applicable ANSI, ASME,BS, NEMA, ISA, DIN, ISO, IEC, NFPA, IBR and Indian Standards.

    1.3.3 Temperature Measurement

    i) Instrument and apparatus for temperaturemeasurement ASME PTC 19.3 (1974)

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    ii) Temperature measurement - Thermocouples ANSI-MC96.1 - 1982.iii) Temperature measurement by electrical resistancethermometers - IS-2806/IEC 751/ DIN 43760iv) Thermometer-element-platinum resistance-IS-2848/IEC 751/DIN 43760

    1.3.4 Pressure Measurement

    i) Instrument and apparatus for pressure measurement -ASME PTC 19.2 (1964)ii) Specification for pressure and vacuum gauges - IS3624

    1.3.5 Electronic measuring Instruments & Control hardware

    i) Safety requirements for electrical and electronicmeasuring and controlling instrumentation - ANSI C 39.5 -1974.ii) Compatibility of analog signals for electronic industrialprocess instruments - ISA-S 50.1:ANSI MC 12.1 - 1975.iii) Surge withstand capability (SWC) tests - ANSI C 37.90A(1974) IEEE Std. 472 (1974). IEC - 254.1.iv) ISA-TR84.00.02 - Safety Instrumented Functions (SIF) -Safety Integrity Level (SIL) Evaluation Techniques Part 1:Introduction

    v) ISA-TR84.00.02 - Safety Instrumented Functions (SIF) -Safety Integrity Level (SIL) Evaluation Techniques Part 2:Determining the SIL of a SIF via Simplified Equationsvi) ANSI/ISA-82.02.01-1999 -(IEC 61010-1 Mod) - SafetyStandard for Electrical and Electronic Test, Measuring,Controlling, and Related Equipment - General Requirementsvii) ANSI/ISA-82.02.02-1996 - (IEC 61010-2-031) - SafetyRequirements for Electrical Equipment for Measurement,Control and Laboratory Useviii) ANSI/ISA-82.02.04-1996 - (IEC 61010-2-032) - SafetyRequirements for Electrical Equipment for Measurement,

    Control, and Laboratory Useix) ISA-82.03-1988 - Safety Standard for Electrical andElectronic Test, Measuring, Controlling, and RelatedEquipment (Electrical and Electronic Process Measurementand Control Equipment)x) IEC-61508-1-1998 - Functional Safety of Electrical /Electronic / Programmable Electronic Safety-RelatedSystems-Part 1: General Requirements

    xi) IEC-61508-2-2000 - Functional Safety of Electrical/Electronic/Programmable Electronic Safety-RelatedSystems-Part2: Requirements forElectrical/Electronic/Programmable Electronic Safety-Related

    Systems.

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    Lanco Babandh Power Private Ltd.APPENDIX X

    1.3.6 Environmental Conditions and Control Centers:

    i) ISA-RP60.2-1995 - Control Center Design Guide andTerminologyii) ISA-RP60.3-1985 - Human Engineering for ControlCentersiii) ISA-RP60.4-1990 - Documentation for Control Centersiv) ISA-RP60.6-1984 - Nameplates, Labels, and Tags forControl Centersv) ISA-RP60.8-1978 - Electrical Guide for Control Centersvi) ISA-71.01-1985 - Environmental Conditions for ProcessMeasurement and Control Systems: Temperature andHumidityvii) ISA-71.02-1991 - Environmental Conditions for ProcessMeasurement and Control Systems: Powerviii) ANSI/ISA-71.03-1995 - Environmental Conditions for

    Process Measurement and Control Systems: MechanicalInfluencesix) ISA S 71.04 - Environmental Conditions

    1.3.7 Power Plant Facilities:

    i) ISA-RP77.60.02-2000 - Fossil Fuel Power Plant Human-Machine Interface: Alarmsii) ISA-TR77.60.04-1996 - Fossil Fuel Power Plant Human-Machine Interface-TFT Displaysiii) ISA-RP77.60.05-2001 - Fossil Fuel Power Plant Human-Machine Interface: Task Analysis

    iv) ISA-77.41-1992 - Fossil Fuel Power Plant BoilerCombustion Controlsv) ANSI/ISA-77.42.01-1999 - Fossil Fuel Power PlantFeedwater Control System Drum-Typevi) ANSI/ISA-77.43.01-1994 (R2002) - Fossil Fuel PowerPlant Unit/Plant Demand Development-Drum Typevii) ANSI/ISA-77.44.01-2000 - Fossil Fuel Plant Steam

    Temperature Control System (Drum-Type)

    1.3.8 Symbols and General Terminology:

    i) ISA-S 5.1-1984 - (R1992) - Instrumentation Symbolsand Identificationii) ISA-S 5.2-1976 - (R1992) - Binary Logic Diagrams forProcess Operationsiii) ISA-5.3-1983 - Graphic Symbols for DistributedControl/Shared Display Instrumentation, Logic, and ComputerSystemsiv) ISA-5.4-1991 - Instrument Loop Diagramsv) ISA-5.5-1985 - Graphic Symbols for Process Displaysvi) 39ANSI/ISA-51.1-1979 - (R1993) - ProcessInstrumentation Terminology

    1.3.9 Instrument Switches and Contacts

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    Lanco Babandh Power Private Ltd.APPENDIX X

    i) Contact rating - AC services NEMA ICS Part-2 125,A600ii) Contact rating - DC services NEMA ICS Part-2-125,N600.

    1.3.10 Enclosures

    i) Types of enclosures - NEMA Std. ICS-6-110.15 through110.22 (Type 4 to 13).

    ii) Racks, panels, and associated equipment - EIA: RS-310-B(ANSI C83.9 - 1972)

    iii) Degree of protection of Enclosed Equipments IS-13947, Part1/ IEC 529.

    1.3.11 Apparatus, enclosures and installation practices in hazardous areas

    i) Classification of hazardous area - NFPA Art. 500, Vol.70-1984.ii) Electrical Instruments in hazardous dust locations - ISA-RP

    12.11iii) Intrinsically safe apparatus - NFPA Art.493 Vol.4.1978iv) Electrical Apparatus for explosive gas atmosphere IEC 60079v) Purged and pressurized enclosure for electrical equipment in

    hazardous location - NFPA Art. 496 1982.

    1.3.12 Sampling System

    i) Water and Steam in power cycle - ASME PTC 19.11.

    1.3.13 Annunciators

    i) Specifications and guides for the use of general purposeAnnunciators - ISA RP 19.1-1979.Surge withstand capabilitytests - ANSI C.37.90a - 1974 and IEEE std. 472-1974

    ii) ANSI/ISA-18.1-1979 - (R1992) - Annunciator Sequences andSpecifications

    1.3.14 Interlocks, Protections

    i) Relays and relay system associated with electric powerapparatus - IEEE std.3.13.

    ii) Surge withstand capability tests - ANSI C.37.90a - 1974 andIEEE Std. 472-1974.

    iii) General requirements & tests for switching devices forcontrol and auxiliary circuits including contactor relays - IS-13947, Part 5/Section 1, 2004/IEC60947-5-1 (2000).

    iv) Turbine water damage prevention - ASME - TDP-1980.v) Boiler safety interlocks - NFPA Section 85

    1.3.15 Process Connection and Piping:

    i) As per main process piping, fittings and valve specifications.

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    1.3.16 Instrument Tubing

    i) As per main process piping, fittings and valve specifications.

    1.3.17 Cables

    i) Thermocouple extension wires/cables - ANSI C 96.1 - 1982.ii) Instrumentation Cable BS 5308 part II, Specification of PVC

    insulated cablesiii) Oxygen index and temperature index test - ASTM D-2863.iv) Smoke generation test - ASTMD-2843 and ASTME-662.v) Acid gas generation test - IEC-754-1.vi) Swedish chimney test - SEN - 4241475 (F3)vii) Specification for PVC insulated (heavy-duty) electric cables. IS

    1554, Parts 1&2viii) Recommended current ratings for electric cables IS-3961,

    Parts-2&5.ix) PVC insulation and sheath of electric cables-IS-5831x) Conductors for insulated electric cables and flexible cords IS-

    8130xi) Methods of tests for cables, IS-10810xii) PVC insulated cables for working voltage up to 1.1 kV, IS-694xiii) Mild steel wires, formed wires and tapes for armouring

    cables, IS-3975xiv) Conductors of insulated cables. Guide to the dimensional

    limits of circular conductors, IEC 228xv) Calculation of the continuous Current Rating of Cables (100%

    Load Factor), IEC 287

    1.3.18 Cable Trays, Conduits

    i) Galvanizing of Carbon steel cable trays - ASTM A-386-78.ii) Specification for Conduits and fittings, IS-9537, part 1 & 2,

    latest revision

    1.3.19 Control Valve

    i) ANSI/ISA-75.01.01 - Flow Equations for Sizing Control Valvesii) ANSI/ISA-75.02-1996 - Control Valve Capacity Test

    Proceduresiii) ANSI/ISA-75.05.01-2000 - Control Valve Terminologyiv) ANSI/ISA-75.11.01-1985 (R2002) - Inherent Flow

    Characteristic and Range ability of Control Valvesv) ISA-75.17-1989 - Control Valve Aerodynamic Noise Predictionvi) ANSI/ISA-75.19.01-2001 - Hydrostatic Testing of Control

    Valvesvii) ISA-RP75.21-1989 - (R1996) - Process Data Presentation for

    Control Valvesviii) ISA-RP75.23-1995 - Considerations for Evaluating Control

    Valve Cavitationix) ANSI/ISA-75.25.01-2000 - Test Procedure for Control Valve

    Response Measurement from Step Inputs

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    x) ANSI/ISA-TR75.25.02-2000 - Control Valve ResponseMeasurement from Step Inputs

    xi) ANSI/ISA-93.00.01-1999 - Standard Method for the Evaluationof External Leakage of Manual and Automated On-Off Valves

    xii) ISA-20-1981 - Specification Forms for Process Measurementand Control Instruments, Primary Elements, and ControlValves

    xiii) ANSI B 16.104 - Valves Seat Leakagexiv) ISA-37.12-1982 - (R1995) - Specifications and Tests for

    Potentiometer Displacement Transducersxv) ISA-RP42.00.01-2001 - Nomenclature for Instrument Tube

    Fittings ISA 75.01 - Flow Equation of control valves.1.3.20 Flow Element

    i. ISO 5167/ ASME MFC 3M/PTC 19.5 /BS 1042 Measurement offluid flow by means of orifice plates, nozzles, venturi tubes

    inserted in circular cross section conduit.

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