Engineering, Procurement, Construction (EPC) with Commissioning Including Testing, Trial Run and Comprehensive O&M&R of Common Steam Plant - Turbine Power Generation & Steam distribution Network for the Capacity of 210 TPH and 28 MW At Bulk Drug Park Industrial Estate, Jambusar, Bharuch, Gujarat ( Re- Invited).

MECHANICAL

BOILER

BOILER PRESSURE PARTS

Fully welded steam drum with internals, man holes and necessary nozzle connections for mounting valves & fittings. Steam drum will be complete with all nozzle connections for steam, feed water, down comers, drain valves, safety valves, vents, level gauges and required instruments etc.

Water cooled membrane enclosure with headers and necessary connections like drains

Bed tubes with SS studs and headers

Convection Super heater tube assemblies with inlet and outlet header along with coil supports

Radiant Super heater tube assemblies with inlet and outlet headers along with coil supports

Necessary links between Drum and main steam stop valve

Down comers and Riser as necessary

Economiser tube assemblies with inlet & outlet headers along with coil supports

Economiser casing & ash hopper with stiffener, access doors & isolation gate

Air preheater tubes and tube sheets (by pass ducting & last Six raws of corton steel)

Air heater casing & ash hopper with stiffener, access doors & isolation gate

Circulation system of the boiler including down comers, supply pipes and riser pipes

Economiser system including tubes, all inter connecting piping and headers. Economiser hanger tubes. Casing for economizer. Economiser intermediate headers

Saturated steam piping from steam drum to convection cage top header

Desuperheaters system Water flow measurement with three transmitter between superheaters. (Supplier to decide the number of attempreater)

Desuperheaters system Water flow measurement with three transmitter for PRDS, Deaerator, Process steam (Supplier to decide the number of desuperheater)

STEAM FLOW MEASURMENT

Steam Flow measurement with three number of transmitter along with totalizer at 1. Boiler Outlet 2.Turbine Inlet 3.Turbine Extraction 4.PRDS Inlet 5.Process steam to All consumer industries 6.Deaerator Inlet

RAW WATER MAKEUP MEASUREMENT

Water flow measurement at raw water makeup at Auxiliary cooling tower

RETURN CONDENSATE MEASUREMENT DEVICE

Return condensate flow measuring device from all the consumer. Return condensate flow to each south and North Location Return condensate flow to each deaerators at each North and South Location.

FUEL STORAGE FEEDING& FIRING SYSTEM

MS fabricated Fuel bunkers 2 x 85 m3 for each 30 TPH Boiler and 2 X 225 m3 for each 75 TPH boiler along with supporting structures. 2 Nos level indicators RF type and Load cell for each boiler bunkers

Coal evacuation from bunker with piping and isolating valve

SS 409 lining up to 1.6 mts from bottom conical portion

SS 409 lining up to 1.6 mtsin mixing hopper below each fuel feeder.

Manually operated rod pin cum rack & pinion gate at each fuel bunker outlet

Volumetric drag chain feeders with VFD, Pocket feeder with VFD

Motor operated knife-edge isolation gates in the fuel feed chute

Air bustle units for the fuel feed chutes

Fuel feed chute from bunker outlet to feeder and feeder outlet to combustor

Floor at an level 6m from bunker top for supporting the High rise conveyor discharge end with chute arrangement.

All the floors over bunker top shall be provided with chequered plate with adequate stiffeners

LIME STORAGE & FEEDING SYSTEM

1 X 10 m3 for each 75 TPH Boiler and 1 X 5 m3 for each 30 TPH boiler MS fabricated limestone bunker along with supporting structures. 1 Nos level indicators RF type for each.

Pocket feeder with VFD for feeding limestone

Manually operated rod pin cum rack & pinion gate at bunker outlet

Bunker top cover plate

SS 409 lining up to 1.6 mts from bottom conical portion

SS 409 lining up to 1.6 mts in mixing hopper below each feeder.

BED MATERIAL STORAGE AND FEEDING SYSTEM

1X10 m3 for 75 TPH boilers & 1X5 m3 for 30 TPH boilers MS fabricated bed material bunker along with supporting structures

Pocket feeder with constant speed drive motor for feeding bed material

Manually operated rod cum rack & pinion gate at bunker outlet

PRDS & DSH

Total 1 Nos. by pass PRDS along with all required instruments. Inlet of PRDS shall be from CSDH

1 No. DSH Control Station, Process Steam with all required instruments

START UP FUEL Supplier to decide the requirement

Flow meter, Igniter, scanner

Wind box with required pneumatic dampers

Instruments as required.

Instrument air piping with valves & fittings

SOOT BLOWERS

Two Retractable and Two rotary soot blowers For SH & Econmiser Zone

Drive motors

Control panel if required.(Soot blower operation shall be from DCS)

Pressure reducing station with accessories

Soot blower steam piping from attemprator header to individual soot blowers

Motorised Non-Inching type valve for main isolation for soot blower steam

Motorised Non-Inching type valve in drain laine for temperature control of soot blower steam

Pressure gauge

Temperature gauge

Pressure safety valve

BOILER DUCTING AND DRAFT SYSTEM

2 X 100 % (PA) (1W+1s)Primary air fan Each for Boilers: Horizontal, radial, simply supported and backward curved blade , complete with necessary base frame, foundation bolts, coupling, coupling guard, Grease lubrication system, speed of PA fan will be 1500 rpm (max.). Fan will be provided with bird and trash screen at inlet with silencer.

Outlet isolation dampers for PA fan motorized

Pneumatically operated control damper

VFD for PA Fans in case of LT motors / HT VFD in case of HT motors.

2 X 60 %(FD) Forced Draft Fan Each for Boilers: Horizontal, radial, simply supported and backward curved blade , complete with necessary base frame, foundation bolts, coupling, coupling guard, Grease lubrication system, speed of SA fan will be 1500 rpm (max.). Fan will be provided with bird and trash screen at inlet with silencer.

Outlet isolation dampers for SA fan motorized

Pneumatically operated control damper

VFD for SA Fans in case of LT motors /HT VFD in case of HT motors.

2 X 60 %(ID) Induced Draft Fans, Each for boilers : Horizontal, radial, simply supported and backward curved blade , complete with necessary base frame, impeller lining, foundation bolts, coupling, coupling guard, Grease lubrication system, speed of ID fan will be 1000 rpm (max.). Fan will be provided with bird and trash screen at inlet

Outlet isolation dampers for ID fans motorized

Pneumatically operated control damper

VFD for ID Fans in case of LT motors/ HT VFD in case of HT motors.

Air flow measuring device in PA, FD for each boiler, secondary air etc.

Complete primary and secondary air ducting with stiffeners, expansion joints, guide vanes for bends, dampers, insulation and cladding, supports

Complete flue gas ducting up to the terminal point as required, with stiffeners, expansion joints, guide vanes for bends, supports

Over Fire Air(OFA) nozzles and complete OFA ducting with required stiffeners, expansion joints, guide vanes for bends, supports

Seal air ducting with required stiffeners, expansion joints, guide vanes for bends, supports

Air heater air side bypass duct with required regulation dampers.

ELECTRO STATIC PRECIPITATOR No of field is to be decided by supplier the number of ESP field should be decided based on current emission norms 30 mg/Nm3 with first field out condition.

Boiler operating floor shall be of RCC. Civil work upto boiler operation floor shall be by Supplier. Supporting structure above the boiler operating floor shall be done by EPC supplier. RCC footings of +300 mm for ESP and other auxiliaries shall be by Supplier. ESP structure above +300 mm shall be in supplier scope.

Electrostatic precipitator to limit the outlet dust emission level as specified in design basis

ESP hopper - thermostatically controlled hopper with dust level monitoring system

Insulator compartment with thermostatically controlled heating element

T-R sets, rapping mechanism, discharge electrodes, collecting electrodes, gas distribution screens, hopper heaters, shaft insulators, electrical and mechanical interlock system, ESP TR set control panel, micro processor based controllers for T-R sets, hopper level indicators, access door for hoppers, poke holes. Inlet / outlet funnels for ESP. Hopper heaters are thermostatically controlled

ESP casing and hoppers, sliding supports

Metallic expansion bellows at inlet and outlet of ESP

All control panels of ESP, viz. TR set control panel, rapper controller and rapper distribution / temperature scanners / timers, ESP junction boxes & cabling from junction boxes to DCS .

Provision of serial communication facility in the TR set, rapper controllers of the ESP.

Local canopy over TR set

OTHER NON PRESSURIZED PART

Tubular air pre heater with casing and supports to preheat the combustion air with last six rows of airheater tubes shall be corten steel material of construction. (Airheater with flue gas flow outside the tubes and air flow inside the tubes). Airheater air bypass arrangement on AUTO with pneumatically operated damper is provided for both PA / FD airheater along with damper.

Bed ash cooler units (2 nos.) complete in all respects including connecting ducting, dampers, and air nozzles. Bed ash cooler drain pipe. Bed ash cooler discharge ducting to furnace. It should be with auto operation and monitoring from control room. The bed ash conveying complete including the bed ash silo is to be considered.

Complete bed assembly including Air nozzles, ash drains

Manhole, Peephole door, fire door, as required for operation and maintenance.

Boiler buckstays, tie connectors, corner connectors, stiffeners, channels and guides, seal boxes, cover plates as required

Suitable operating mechanism with access for operation and maintenance of all manual and power cylinder / motor operated dampers

Expansion bellow between economizer and air preheater

FEED WATER AND DEAERATOR

Deaerator and deaerated water tank with required piping, valves, fittings, platform, ladders, control and instrumentation. The Deaerator storage tank will be complete with required safety valve, vent, pressure indicator, gauge glass, drains, overflow nozzle, level transmitters

2 x 100 % (1W+1S) Boiler feed pumps (BFP) for 1 x 75 TPH Boiler and 2 X 100 % (1W + 1S) for 1 X 30 TPH Boiler (multistage, centrifugal, ring section) shall be complete with common base frame for pump & motor, couplings, coupling guard, mechanical seals, foundation bolts, suction strainers, piping, suction manifold, balancing leak off lines with all integral piping and valves and ring oil lubrication system. Suction and discharge headers shall be desined with consideration of next phase of installation.

VFD for BFP shall be considered for both pumps

Automatic Recirculation Valve for boiler feed pumps.

Minimum recirculation piping and balance leak off piping from the BFP up to the inlet of Deaerator with required valves, fittings

Deaerator overflow piping with solenoid valve and drain piping with manual isolation valve near the Deaerator

Bleed steam piping from inlet of Pressure Control Valve to Deaerator

Make-up water (DM water) piping to Condenstae Storage Tank (CST)

Feed control Station

1x100% & 1x30% feed control station complete with Control & Isolation valves

Feed control by pass for 1X100% control station along with pneumatic valve and intel outlet isolation valve.

Feed Flow measurement with three number of transmitter {along with totalizer at} For 3 element drum level control

BOILER MAKE UP WATER SYSTEM

Complete boiler make up water system including Piping, pumps from DM water storage tank upto CST with 2X100% pumps (1W+1S)

Make up water flow measurement for each derator.

MSRL DM water storage tank capacity 2 X 300m3 at WTP area and 2 X 300 m3 at plant area at each Plant CPP Location

PROCESS RETURN CONDENSATE MAKE UP SYSTEM

Complete process return make up water system including condensate storage tank at each location, Piping, pumps from condensate storage tank upto Deaerator with 2X100% pumps(1W+1S) through Plate type heat exchanger and Polishing unit with flow meter and all tank and pump, line instrumentation .

Raw water make up pump (1W+1S) along with piping, isolating valve upto cooling tower .

Cooling tower blow Down pit of 10 m3 with 2X100% transfer pump with suction and Discharge header and piping up to CETP area

SS insulated water storage tank capacity 20 m3 at each CPP Plant location

Online Steam & Water Analyzing System (SWAS) for each Boiler

CHEMICAL DOSING SYSTEM

Skid mounted HP dosing system with required pumps,tank,agitator,piping, valves & fittings instruments up to steam drum with common tank for 1x75 TPH and dedicated for 30TPH boiler with (1W+1S) pump configuration for each boiler.

Skid mounted LP dosing system (Ammonia/Hydrazine) with required pumps,tank,agitaor, piping, valves & fittings instruments up to Deaerator with common tank for 1x75 TPH and dedicated for 30TPH boiler with (1W+1S) pump configuration for each boiler.

Skid mounted pH correction dosing system (Sodium hyroxide) with required pumps,tank,agitaor, piping, valves & fittings instruments up to Deaerator

DM water required for HP,LP &pH dosing system from one point near the boiler to dosing tank

INTIGRAL PIPING

Feed water piping from Deaerator up to BFP suction with required valve, fittings. Deaerator for 1x75 TPH boilers and 1x30 TPH boiler with feed pump having set up of (1W+1S). Pump head calculation shall be submitted to GIDC/CONSULATNT for Approval during DDE.

Boiler feed pump suction & discharge headers

Piping for Boiler feed control station with required control valves, isolation valves and fittings, supports

Spray water piping from boiler BFP discharge to DSH for process steam

Sampling piping up to SWAS with all required valves and fittings

Continuous and intermediate Blow down tanks with required drain headers, drain and vent piping, valves, instruments

CBD & IBD piping from steam drum up to CBD / IBD tank as applicable and interconnection piping between CBD & IBD tank and further up to cooling tower along with pumps and piping.

CBD vent piping up to the inlet of Deaerator with required valves, fittings and supports.

Complete boiler integral piping consisting of all the interconnecting piping between the economiser inlet stop valve and the superheater outlet header, valves, fittings, drains, vents and safety valve exhaust piping

Pneumatic Startup vent valve with isolation valve, pressure reducing valve with diffuser & silencer.

Drum safety valve with exhaust piping with silencer up to safe elevation as required.

Super heater safety valve with silencer and exhaust piping up to safe elevation as required.

Main steam piping from final superheater outlet header up to inlet of boiler main steam stop valve (MSSV) with integral bypass.

All drain piping from headers and mainsteam line,etc up to a common drain header and further to the blow down tank as applicable.

Boiler initial filling line connection with required stub and isolation valve at the boiler drain header, etc from the terminal point.

Auxiliary & Main Cooling water supply and return piping to all equipment in scope requiring cooling water supply from cooling tower (Complete EPC Package equipment) with pressure and temperature gauge at each equipment.

Service water piping for Complete EPC Package equipment

Drinking water of required quality with water cooler adjacent Control room

Instrument air piping for equipment in scope from instrument air storage tank

Service air piping for equipment in scope from service air storage tank.

Temporary piping and target plates for steam blowing including motorised isolation valve, sacrifice valves.

Temporary piping, fittings, pumps for hydro test, steam blowing (with motorized valve returnable basis), alkali boil out.

EXTERNAL PIPING

Main steam piping from MSSV outlet to turbine inlet (ESV) including motorised valve with bypass valve at both ends.

Steam piping from main steam line to PRDS including its stess analysis

Steam piping from Boiler outlet to CSDH and CSDH to Turbine including its stress analysis. Inlet.

Steam piping from bleed to Deaerator including its stress analysis. Inlet.

Drains and vents wherever required for all the above piping up to safe elevation / blow down tank / Drain tank

All temporary piping, supports, valves, pumps and accessories required for steam blowing operation of the boiler and piping system shall also included

Condensate piping from CST outlet and up to Deaerator level control valve through ejector, GCV & L.P Heater.

Deaerator over flow piping up to flash tank.

Atmospheric Flash tank with automatic spray sytem with Level trasmitter and Associated Instrument IBR Approval is required. Drain pumps (1W+1S).

Pump (1W+1S) and piping from atmospheric flash tank to cooling tower

All turbine drain from turbine ESV to Condenser, drains after QCNRV and all steam piping drain to atmospheric flash tank

All drains of main steam line and all PRDS is to be terminate atmospheric flash tank.

All necessary Pipe supports and hangers

Necessary valves & fittings including strainers.

Miscellaneous Piping

DM tank over flow & drain piping

Condensate piping from Ejector to Condenser

Return condensate line to deaerator.

Raw water makeup pumps (1W+1S) along with piping from raw water reservoir to Cooling tower

Service air and Instrument & all other compress air piping from compressor to boiler, AHS, CHS and turbine area & individual instruments

AIR COMPRESSORS

2 x 100% (1W+1S) Lubricated compressor with VFD for boiler, turbine and balance of plant with its drives Common for instrument air, Service Air, 2 x 100% Desiccant type air drier for Instrument air at each location

Service air and instrument air receiver one for Common 1x75TPH and 1x30 TPH Boiler . 10 m3 Service Air and 5 m3 capacity Instrument Air for each CPP Plant.

CONTINEOUS EMISSION MONITORING SYSTEM (CEMS)

Complete Online analyser system for SOX, NOX and SPM dedicated for each boil with online remote calibration feature and hooked with DCS.

O2 measurement for combustion control loop as well as for AHP outlet ( 2 Nos)

SUPPORTING STRUCTURE

Boiler operating floor shall be of RCC. Civil work upto boiler operation floor shall be by Supplier. Supporting structure above the boiler operating floor shall be done by EPC supplier. RCC footings of +300 mm for ESP and other auxiliaries shall be by Supplier. ESP structure above +300 mm shall be in supplier scope.

Operating Platform (GI chequered plates and grills)

Staircases (Minimum 1.2 Meter width), ladders , Handrails , walkway shall be of hot dip GI

Foundation bolts for vendor supplied equipments

Complete steel supports for ducting

Refractory supports & casing along with stiffness

Hanger rods and spring support required as per Stress Analysis.

Supporting steel structures for boiler roof & side cladding

Approach platform from boiler to turbine hall.

Colour coated corrugated Galvalume sheets for roof and side cladding from operating floor level up to drum.

LIST OF MOTORIZED VALVE Not limited to Following but P&ID is to be approved as per enquiry specification.

Motorised Main Steam Stop Valve at Boiler with integral motorized valve

Motorised Main Steam Stop Valve at Turbine Inlet Line Near Turbne with integral motorized valve

Motorised isolation valve for start up vent valve

Motorised Intermittent blowdown valve

PRDS I for ejector & gland sealing inlet valve

PRDS II for Deaerator inlet valve

Inlet isolating valve for DSH. (1 Nos)

Inching type motorized damper for APH inlet and By pass Damper for both FD and PA system.(4 Nos)

LIST OF CONTROL VALVES -Not Limited to Following but P&ID is to be approved as per enquiry specification.

1x100% Pneumatic control valve and 1x30% Pneumatic bypass control valve for Boiler feed control station

Pmeumatic by pass valve for Attemparator spray water 1 & 2 (2 Nos)

Pneumatic control valve for Attemperator 1 spray water control

Pneumatic control valve for Attemperator 2 spray water control

Pneumatic control valve for CBD tank level control

Regulating start up vent valve with upstream motorized isolation valve

motorized feed check stop valve at ECO inlet

Pneumatic Deaerator pressure control valve

Pneumatic Deaerator Level control valve

Pneumatic CST level control valve

Pneumatic Pressure control valve for all PRDS (2 Nos)

Pneumatic Temperature control valve for all PRDS(2Nos)

BOILER REFRECTORY,INSULATION,CLADDING

Insulation and cladding with all fixing materials for boiler surface, piping, valves, air and flue gas ducting & auxiliaries

Cladding material should be Galvalume

Insulation and cladding with all fixing materials for ESP

Complete refractory material for boiler and ash coolers as required

Necessary anchors for refractory as required

Studs and retainers on pressure part surfaces for application of refractory

TURBINE

Back Pressure turbine steam turbine of 7 MW consists of

Horizontal split casing

Single piece solid forged rotor

Nozzles and Blades

Necessary thrust and radial bearings

Emergency stop valve

Steam strainer

Gear box and Couplings

Turning/Barring Gear

Gland sealing system with 2 nos of exhausters

Nozzle group control valves

Necessary interconnecting piping within the skid

Necessary cables and conduits along with junction boxes fixed on the skid

ESV & Control valves

QCNRV FFRV,Isolating Valve in all bleeds & extraction lines

Jacket Type Insulation for Turbine, Other insulation required for Piping shall be provided with AL. Cladding.

LUBE OIL SYSTEM

Main oil tank

Over head lube oil tank with associated piping& valves

Main oil pump shaft driven / Motor Driven MOP

Auxiliary oil pump and its motor

Emergency oil pump and its motor

Oil purifier(centrifuge) with associated piping

Vapour Extraction fans

Oil coolers (1W+1S)

Complete integral piping and its valves

Duplex oil filters

Necessary oil heaters

GOVERNING SYSTEM

Electro hydraulic governing system (Woodward)

Current to pressure converter

Necessary instruments for remote/manual operation

Governing system and OSPS should be with redundant power.

GENERATOR - 7 MW, 0.8 p.f- 11 kV

Three phase synchronous, brushless generator consists of

a) Stator frame

b) Stator core and windings

c)Single piece solid forged generator rotor with windings

d) Bearings and its pedestals

e) Necessary Space heaters

f) Generator cooling system (4 x 33 % SS cooler)

g) Necessary temperature monitoring, vibration monitoring system(Full Train) along with complete instrument

h) Brushless Exciter (PMG)

i) Necessary piping and its valves within the system

Excitation System

PMG & Exciter

AVR (Digital) (2A+2M), ABB Unitrol

Panels

NGR panel(As per SLD)

11KV Vacuum contactor in NGR panel for neutral isolation

LASCPT panel with metering cubical(As per SLD)

CT’s and PT’s for metering & protection (As per SLD)

Generator Relay cum metering panel ((As per SLD with redundant GPR)

Synchronising panel

E.O.P starter panel

MCC for TG auxiliaries

HT.Cables between Generator Terminal-NGR, Generator Terminal-LAVT-HT switchboard (Breaker Panel)

All electrical drives for Turbine

All power and control cables with cable trays including supports from TG MCC to individual drives

All instruments cables up to junction boxes including JB’s, and JB to DCS panel.

Local push button stations for Turbine Auxiliaries

Turbine gauge Panel (TGP) Mechanical / Digital with pressure and temperature gauges for various operating parameters. Impulse piping with fittings shall be supplied loose for interconnection between field tap-off points and gauge panel.

110 V Dc Battery & Battery charger at each location (Float& Float cum Boost )with DCDB required for entire CPP with 25% spare feeders & required for HT /LT panel. (600 AH + 600AH)

Five numbers per phase RTD for generator winding (All RTD should be of duplex type)

RTD for stator core temperature measurement 6 nos duplex

RTD for exciter field temperature 2 nos duplex

RTD for Cold air and Hot air measurement

TURBINE 7MW Controlled Extraction cum condensing type Skid mounted controlled Extraction, Cum condensing steam turbine consists of

Horizontal split casing

Single piece solid forged rotor

Nozzles and Blades

Necessary thrust and radial bearings

Emergency stop valve

Steam strainer

Gear box and Couplings

Motorized Turning/Barring Gear

Base plate for Turbine & Gear Box

Nozzle group control valves

Necessary interconnecting piping within the skid

Necessary cables and conduits along with junction boxes fixed on the skid

Control extraction for process steam

QCNRV in extraction line of process steam (Loose Supply)

Full flow relief valve in extraction line with silencer of process steam (Loose Supply)

Mannual Isolating Valve in extraction line of process steam (Loose Supply)

Turbine Exhaust hood spray system along with piping from CEP

Necessary temperature monitoring, vibration monitoring system(Full Train) along with complete instrument

Insulation and Cladding for Turbine and Piping

GOVERNING SYSTEM

Electro hydraulic governing system (Woodward 505XT)

load and speed control from DCS (zero speed autostart)

Turbine Auxiliaries control from DCS

Current to pressure converter

Necessary instruments for remote/manual operation

GENERATOR 7 MW, 0.8 p.f- 11 kV

Three phase synchronous, air cooled (CACW), brushless generator consists of (Preferred Make-TDPS)

Stator frame

Stator core and windings

Single piece solid forged generator rotor with windings

Bearings and its pedestals

Necessary Space heaters

Generator cooling system

Liquid leakage detector for Generator

Necessary temperature monitoring, vibration monitoring system(Full Train) along with complete instrument and communication port for DCS

Brushless Exciter (PMG/ Excitation TR)

Necessary piping and its valves within the system

LUBE OIL SYSTEM

Main oil tank

Over head lube oil tank (Capacity 30minutes or coasting down time of turbine whichever is higher) with associated valves and piping.

Shaft driven Main oil pump

Auxiliary oil pump and its motor

Aux Control oil pumps if Required

Emergency oil pump and its motor

Oil purifier(centrifuge) with associated Piping

Vapour Extraction fan

Oil coolers (1W+1S)

Complete integral piping and its valves

Duplex oil filters

Necessary oil heaters

Initial fill of oil

Oil flushing & conditioing

CONDENSING SYSTEM FOR EXT. CONDENSING TURBINE

Condensor Shell & Tube type, horizontal, divided water box (with sacrificial anodes), type condenser with integral hot-well, Rupture disc for condenser protection, Expansion bellow with spool piece between turbine exhaust and condenser inlet. (Capacity - 25TPH)

Start up steam ejector (hogging) with silencer,and neccessory pinpng

Steam jet air ejector system complete with:· Twin stage main ejectors (1 working + 1 standby), Inter and after condenser.Associatred air/vapour/condensate lines ( steam to be taken from controlled extraction)

Gland Steam Condenser(GSC) with complete piping for gland seal and leakage returns to GSC and GSC drains to condensor.

Complete Gland steam sealing system

Expansion bellows in condenser cooling Inlet/Outlet lines ( Loose Supply)

Condensate extraction pumps (CEP) with motors (2 x 100% capacity) Horizontal Pumps

Hot well level control on main and RC line with instruments.

Condensate piping from hot well through CEPs & ejector condensers and GSC upto recirculation, valve with pipe supports, strainers, steam traps, drains, vents with isolation.

Dry air/vapor line within specified battery limit.

GVC with complete piping for gland seal and leakage returns to GVC and GVC drains to condensor

ELECTRICALS

Main HT switchgear (as per SLD), Any HT VCB required in field .

LT SWGR, LT PCC, LT MCC, ACDB's, Ventilation DB, AC DB etc which shall be part of project and not mentioned here.

Excitation System

PMG / TR & Excitetion system

AVR (Digital) (2A+2M) Unitrol 1020

Control facility for voltage drop and power factor

NGR panel(As per SLD)

11 KV Vaccum contactor in NGR panel for netural isolation

LASCPT panel(As per SLD)

Generator Relay cum metering panel

Synchronising panel

CT’s and PT’s for metering & protection

E.O.P starter panel

MCC for TG auxiliaries

HT.Cables between Generator Terminal-NGR, Generator Terminal-LAVT-HT switchboard (Breaker Panel)

All electrical drives within the Battery limit

All power and control cables with cable trays including supports of all plant inside the battery limit

All instruments and communication cables, cable tray, with JB

Turbine control panel (TCP) Hard wired with logic controls and manual operation from Panel. Alarm announciator. Temp.scanner for generator and turbine with communication port. Turbine should be controlled from DCS too.

Turbine gauge Panel (TGP) with pressure and temperature gauges for various operating parameters. Impulse piping with fittings shall be supplied loose for interconnection between field tap-off points and gauge panel.

Generator relay panel (As per SLD)

Complete earthing above and under ground for the items/ equipments in CPP

Local push button stations for all auxiliaries.

110 V Dc Battery & Battery charger at each location (Float& Float cum Boost )with DCDB required for TG package with 25% spare feeders & required for HT /LT panel. 400 AH + 400AH)

All RTD should be of duplex type 3wire

Three numbers per phase RTD for generator winding

Above Ground Earthingfor equipments with in Battery Limit

MISCELLANEOUS

Steam Flow measurement device in Main steam line ( with two Transmitters) & Controlled Exraction Line (with one Transmitter)

Tempatature transmitter in hotwell

Level gauges in main oil tank and overhead oil tank

Foundation bolts for all items in vendor scope

Necessary insulation within the battery limit

Matting flanges all flanged end connections and loose supplied valves and fittings

Vent and exhaust piping up to building roof

Turbine Drain piping up to drain header in T.G Building

Painting

Packing & Forwarding

Transportation up to site

Transit Insurance

Unloading at site

Erection, Commissioning

Supervision of Erection and Commissioning & PG Test

Tools and Tackles for erection & commissioning

All Required Instruments necessary for control & monitoring of Turbine& its auxiliaries

Local Instruments up to junction box

Instrument Air piping from one point in turbine building up to individual control valves

Critical turbine instruments and I/Os wired upto junction box for control and monitoring from DCS.

Data ports on Governor, Turbovisory panel, Electrical relay panel etc. for monitoring from DCS

COAL HANDLING SYSTEM - (90 TPH) at each location

Covered Coal storage yard 8500 m2 for Each CPP Location shall be considered by EPC. Covered Storage Yard shall be 2 meter RCC Wall and Above that Structural shed for Coal storage shall be considred. Necessary Fire fighting system shall be covered in Coal Yard.

Ground hopper with Grizzly 2 X 75 m3 capacity

Electromechanical vibratory feeder below ground hopper with VFD

Suspension type Permanent Magnetic separator(2Nos. One at raw coal belt and another at product belt)

Metal detector

Motorized knife gate at oulet of coal feeder

Bed Ash drain pipe SS310 with knife gate pneumatic power cylinder

2 X 90 TPH Crusher with Drive

Pre and post Vibratory screen ( Circular and flip flop type) with motor (2 Nos) Moisture content should be considered 35 % in Imported coal for design purpose.

Reject conveyor

Final product conveyor (BC3, BC4 for proposed boiler)

Fire hydrant line with spraying arrangement is to be considered

Belt weigher at Product Belt

Reversible belt conveyor for feeding to bunker with motorized diverting chute for both coal bunkers, limestone and bed material.

Manual Flap gates

Bunker level measurement system, load cell / Radar type level measurement at each bunker

Dust Extraction System at Crusher house, BC-2, junction tower and bunker (4 Nos).

Dryfog Dust Suppression System at truck unloading,Crusher house, BC-2, junction tower and bunker (4 Nos), transfer points.

Bunker sealing arrangement

Inter connecting chutes

Belt Scrapper (Internal & External)

Impact pads/ idlers & Deck sheet at feeding points

Seal plate for conveyors

Conveyor system shall be dust proof with closed gantry (top & sides) GI sheets/ metapoly 0.6 mm thickness.

Grating & Hand rails (GI) for both side walk way

750 mm width Both side walkway for conveyors

Take-up arrangement

Monorail & Manual Hoist for Crusher and vibratory screen

Transfer Tower(s) 2 nos as per Layout drawing required.

Roofing & side cladding for Transfer tower(s)

Safety Switches

- Pull cord switches

- Belt sway switches

- Zero speed switches at tail pulley

Dust Suppression system with 2 X 100 % water pumps and piping spray nozzles (for Grizzly, Silos)

BED ASH HANDLING SYSTEM (dense phase) AS PER TENDER SPECIFICATION AT EACH LOCATION

Bed ash removal with suitable control devices.

Bed ash removal system from furnace with flap based isolation system

Vessel for bed ash removal with associated pipe and air line

Biomass Handling System

Complete Biomass handling system consist of gizzly hopper, Jow crusher, screem, bucket elevator, scree or belt conveyor, bunker etc. is the scope of EPC supplier,

RCC Bed Ash storage silo -35 m3 at each location

Dust Extraction, Dust suppression and Telescopic chute, expansion bellows and pneumatic knife gate at RCC Silo.

FLY ASH HANDLING SYSTEM AS PER TENDER SPECIFICATION AT EACH LOCATION

Dense phase handling system for all the fly ash hoppers

Air lock feeder below fly ash silo

Dustless unloader below fly ash silo

Bypass ash chute with ash feeder and mechanised telescopic unloading chute

Control of ASH through DCS

Ash pipes

Pipe rack with gantry

Power and control cables, cable tray, earthing

RCC/STEEL Fly Ash storage silo - 200 m3 at each location

Dust Extraction, Dust suppression and Telescopic chute, expansion bellows and pneumatic knife gate at RCC Silo.

2x100% (1W+1S)fluiding blowers with heaters for ash hoppers

Dust Extraction, Dust suppression and Telescopic chute, expansion bellows and pneumatic knife gate at RCC Silo.

Wet ash disposal with nylon fabric chute , along with Knife Gate valve, Rotary vane feeder.disposal system shall be designed for (10 tph for bed ash and 20 tph for fly ash considered.

Dry ash disposal with telescopic chutealong with Knife Gate valve, Rotary vane feeder. Disposal system shall be designed for (10 tph for bed ash and 20 tph for fly ash considered).

2x 100% (1W+1S) Lubricated Screw type(water cooled) compressor with air receiver tank and its drives for Service Air for ash conveying requirement

Instrument & control cables and cable trays from field junction box to DCS marshalling panels.

MAIN CUM AUXILIARY COOLING TOWER- 2200 m3/hr at each locations

Induced draft counter flow Cooling tower of FRP with RCC basin and FRP wall & Stack of capacity of circulating flow 735 m3/hr capacity with 3 cells each of 735 m3 capacity to meet cooling water requirement of Condenser, Turbine and Boiler Auxiliaries.

COOLING WATER SYSTEM

3x60 % ACW Pumps along with all accessories like strainer, isolating valves, header and instrumentation for the systems.

Entire cooling water piping from cooling tower outlet for Auxiliary cooling ,Sample coolers & BFP cooling with return piping up to cooling tower inlet

EOT CRANE ( Main hook capacity heaviest equipment with margin,Auxiliary hook 5 T)

EOT crane shall be suitable as per proposed TG Building.

Long Travel (LT) Gantry girder

Foundation bolts for LT gantry girder

Rail for LT motion

Main bridge double girder

Square bar for CT motion

End carriage

Trolley frame

Rubber buffer Stoppers for LT motion

Rubber buffer Stoppers for CT motion

Hook for Main hoist

Main hoist capacity is to be decided by bidder

Auxiliary hoist (5 tones)

Drives for CT and LT

Shrouded GI conductors

DSL for current collection to EOT drives

Pendant control panel

MCC for the drives

RCC Chimney : 2 nos at each locations

Complete Civil work including Earthwork , Mud matt laying, Reinforcement fabrication for foundation, Casting of suitable foundation

RCC Chimney for each Boiler shall be as per CPCB/GPCB Norms, and top dia of Chimney shall be as per exist velocity of 18 M/s.

Casting OF RCC full platforms -3 No’s (one at Top & Two nos at middle) full circle & 3 nos RCC quarter circle. 32mm NB pipe handrails at each Platform with flue gas smpling as per GPCB norms.

Construction of Acid Resistant lining upto Top height of Chimney shall be considered.

Ash hopper with isolation valve, height of isolation valve 1.55 meter.

Access Door One Number 800mm X 1500mm

Providing flue gas entry openings One Number with outside projection on all four side and fixing of MS plate for connection for flue gas technic

Applying refractory castable around the duct opening.

Fabrication & erection of M.S ladder with cage for full height.

Fixing of CI cap at chimney top.

Supply & Fixing of Aviation warning arrangement twin LED type lamp - 2no’s. at full circle platforms with necessary cabling.

Supply&Fixing of 1no Lightning arrestor arrangement with 50x6 Copper down conductor with Support Insulator and earthing arrangement.

Providing & fixing 4nos 150 GI/MS pipe as Sample-taking portholes.

Painting Shell wall outer surface with 2 coats of Epoxy paint over a coat of primer for full height.

Structural Painting ( lader, door and railing) with two coats of redoxide and two coats of Epoxy paint.

Fixing of necessary air inlet /outlet pipes with GI wire mesh.

Conventional processes which includes winch machine, mixer machine, vibrator, patterns etc.

Insurance coverage for works men for erection

Removal of scaffoldings

Cast iron cap at top of chimney (6 to 8 segments)

Sampling points for Sox, Nox and SPM analyser

WATER TREATMENT PLANT 2 X 100 m3/hr capacity

Water Treatment Plant from filtered water storage onward m3/hr permeate for Boiler Makeup, softener capacity m3/hr for CT makeup. Soft water tank 1x300 m3 at each location in plant area and 1x300 m3 at WTP location Softner Plant capacity 2x80 m3/hr at WTP area

INSTRUMENTATION & CONTROL minimum as per the EPC specification /P&ID approved.

All transmitters shall be SMART transmitters with local display unit and HART communication capability also. Temperature Element RTD/ Thermocouple shall be DUPLEX and K-type only.

Thermocouples/RTD to measure

Bed temperature

Flue gas temp. after economizer

Flue gas temp. before economizer

Flue gas temp. after multi-tubular air preheater

Air temp. after multi-tubular air preheater

Feed water temp. before economizer

Feed water temp. after economizer

Feed water temp. HP heater 1 inlet/outlet

Feed water temp.HP heater 2 inlet/outlet

Feed water temp.LP heater 1 inlet/outlet

Main Steam Line at ESV

Extraction Steam to HP heater and LP heater

Extraction Steam to Deaerator

Turbine exhaust

Turbine Front Journal Bearing

Turbine Rear Journal Bearing

Turbine exhaust Bearing

Generator Front Journal Bearing

Generator Rear Journal Bearing

Gear Box Bearing inlet

Gear Box Bearing out let

Pressure gauges to measure

Steam pressure at steam drum & super heater outlet

Feed line pressure before feed control valve

Main Steam Line at ESV

Extraction Steam to HP heater and LP heater

Extraction Steam to Deaerator

Steam Line to hogging ejector

1st stage and 2nd stage of Steam Jet Air Ejector (SJAE)

Condensate water from CST inlet

Condensate water from CST outlet

Gland steam inlet

Gland steam outlet

De-superheating water line

Control Oil Line

Lube oil line

Main oil Pump Discharge

ACW Pumps & common Discharge Header

ACW Return Header

Pressure Transmitter to measure

Three nos drum pressure

One nos deareator pressure

Draught transmitters to measure

Air box pressure

Bed pressure

Furnace pressure 3 nos.

Super Heater 1 inlet and outlet

Super Heater 2 inlet and outlet

Air pressure at primary air header

Flue gas pressure after ESP

Flue gas pressure before economizer

Draught gauges to measure

Air box pressure

Furnace pressure

Flue gas pressure before economizer

Flue gas pressure before and after multi-tubular and air preheated

Air pressure before and after multi-tubular air preheated

Air pressure at primary air header

Temp Gauges to Measure

Main Steam Line at ESV

Extraction Steam to HP heater and LP heater

Extraction Steam to Deaerator

Steam Line to hogging ejector

1st stage and 2nd stage of Steam Jet Air Ejector (SJAE)

Condensate water from Ejector inlet

Condensate water from Ejector well outlet

Gland steam inlet

Gland steam outlet

De-superheating water line

Control Oil Line

Lube oil line

Main Steam Line at ESV

Extraction Steam to HP heater

Extraction Steam to Deaerator

Turbine exhaust

H.P.Heater steam Inlet& outlet

After Gland Steam Desuperheater

At lube oil header and Barring gear interlock.

At control oil header

Dampers for Various FANS

ID fan Suction inching type motorized damper, and non inching type motorized discharge damper

SA fan non inching type motorized discharge damper

PA fan non inching type motorized discharge damper

APH inlet and Bypass with RPC (2 nos.) control damper

Three element drum level control consists of

Three no. drum level transmitter

Three no. steam flow transmitter

Three no. feed flow transmitter

One no smart positioner

Furnace draught control consists of

Two no. furnace pressure transmitters

One no smart positioner

Auto combustion control consists of

Three no. steam pressure transmitter

One no. air flow transmitter

Superheater steam temperature control consists of

One no. thermocouple

One no. temperature transmitter

One no control valve with smart positioner

Deaerator level control

Two nos. level transmitters

One no control valve with smart positioner

Deaerator pressure control

One no. pressure transmitter

One no control valve with smart positioner

Following Controls for PRDS

a.One no control valve with smart positioner

b.Pressure control valve

c.Spray control valve

d.Pressure transmitter

e.Temperature transmitter

CONTROL SYSTEM

All trip logic for Boiler and Turbine triping shall be 2 out of 3 logic, necessary field instruments are to be considered.

DCS (Common DCS of entire plant) for EACH CPP

Redundancy in DCS power supply, processor / controller and communication level redundancy in DCS, critical closed loops

Printer in DCS ( 3 Nos) at each location 1)2 Nos. A4 laser jet printers for DCS Black and white (1 nos. at control room, 1 nos at CHP control room) 2) 1 nos A4 printer & A3 size colour laser jet printers

Total Five operating station in DCS industrial grade ( 1 at FHS Control room) + 1 OPC server (if applicable) at each location

One Engineering station cum operating station at each location

All OS/ES/OPC computer shall be workstation grade with min. 1 TB Hard disk, 8GB RAM with Latest operating system.

OS shall have Latest windows operating system minimum and supplier shall ensure that minimum 15 years of support shall be available from the supplier of OS as well as its hardware.

Antivirus of minimum 3 years subscription

2 x 100 % UPS with 2 No battery bank, with 60 minute back up time. One UPS bypass system & servo control voltagestabilizer (SCVS) separate for each boilers

Instrument cables from field instruments to DCS system and DCS system to field instruments, From MCC to DCS and DCS to MCC & control panel, shall be supplied by vendor

Communication cable from DCS to various equipment at remote location shall be supplied by vendor

Interconnecting cables between local control system and main DCS system for control & monitoring purpose.

Provision for Management information system in proposed plant DCS

256 point Sequence of Event Recorder.

ELECTRICALS SYSTEM(AS PER SLD)

Main HT SWGR as per SLD

CPP HT SWGR as per SLD

All interconnecting HT cable between main HT SWGR to CPP SWGR

All interconnecting HT cable between main CPP SWGR to drives/ panels

Metering cubical in CPP SWGR as per SLD

Operation of HT SWGR / LT SWGR/ LT MCC shall be through DCS and control panel

Power and control cable, cable tray between SWGR's and DCS

All Motor should be minimum IE-3 type with Class F insulation

Motor for SA fan with VFD Incase of LT Motor andHT VFD In case of HT motor.

Motor for ID fan with VFD Incase of LT Motor andHT VFD In case of HT motor.

Motor for PA fan with VFD Incase of LT Motor andHT VFD In case of HT motor.

VFD for BFP motor

VFD for fuel feeders mounted in a proper panel in individual cubicles

VFD for lime stone feeders mounted in a proper panel in individual cubicles

Active harmonic filters shall be considered for all VFD having motors rating more than 100 KW. Below 100 KW consider passive harmonic filter.

MCC for CPP equipments ( refer Enquiry Document)

415 V LT PCC (65 kA) with two incomers and one bus coupler along with various out going feeders for different MCC as required & following items:

1. Control transformer

2. Potential transformer (line and Bus)

4. Push buttons

5. Indicating lamps

6. Ammeters

7. Voltmeters

9. Local synchronizing panel

10. Various protections as per SLD

All ACB should be EDO type

Various MCCs (65 kA) shall have following items, but not limited to:

1. Control transformer

2. Potential transformer

4. Push buttons

5. Indicating lamps

6. Ammeters

7. Voltmeters

9. Interconnecting LT power & control cables including cable trays from LT PCC to LT MCC and LT MCC to drives

10. Various protections as per SLD

MCC incomer should be ACB/ MCCB(refer Enquiry Document)

11 kV HT AL cable (UE) connecting between Generator (P &N) up to HT switchgear (as per SLD)

11 kV HT switchgear with two nos incomer from each auxiliary transformers, bus coupler and various outgoing feeders (as per SLD)

11 kV HT cable (UE) connecting between step-down Auxiliary distribution transformer & HT switchgear

6 nos 2 x 100 % Step down auxiliary transformer (ONAN) for power plant auxiliary’s power supply (with REF protection). Please refer tender specifications

LT AL XLPE cable connecting between step-down Auxiliary distribution transformer & LT PCC incomer feeder

ELECTRICAL MISCELLANEOUS

Local push button stations (IP-65)for the motors

Entire plant Earthing of electrical equipments above ground level

Entire plant Underground earthing met with required earth-pits(chemical type).

copper earth pit at generator neutral, transformer neutral, DCS panel with copper busbar to be consider (2Nos earth pit for each equipment)

Entire Interconnecting LT power and control cables of entire plant

Cable trays for vendor supplied cables within power plant (including 10% spare space)

All power and control cables lugs should be copper.

2 X 100 % Lighting transformer at each location (capacity to be decided by Supplier considering lighting for entire plant)

Complete lighting distribution with MLDB, APDB, SLDB, ACDB,PDB along with emergency lighting (including separate lighting transformer) and DC lighting

Base frame for control room all panels shall be considered

CEIG formalities from engineering to obtaining drawing and instalation approval (fees shall be paid by EPC supplier for site CEIG formalities).

Electrical hoist for boiler from ground level to drum level.

Street lighting within CPP area shall be considered in EPC supplier scope.

HT Aluminium cables applicable only for motors & transformer incomer. Balance will be as per SLD.

1No. 3phase 4 wire PDB for each area to be provided.(TG building each floor, boiler,ESP, coal yard,WTP,)

SCOPE OF SERVICE/ERECTION/COMMISIONING

IBR formalities from engineering to obtaining site provisional certificate (fees shall be paid by EPC supplier for site IBR formalities).

Erection / Testing & Commissioning of mechanical, electrical, C & I equipments entire civil work as included under scope of supply

Grouting of base plates, bolts, anchor boxes with non shink grout.

Supervision of grouting for foundation

Final adjustment of equipment foundations.

Conducting boiler hydro test, alkali boil out, steam blowing, safety valve floating

Training of PURCHASER’s operating personnel. (Schedule to be mutually discussed).

Operation and maintenance manuals

Drawing / Documents required for statutory clearance

Initial Fill of Lubricants and chemicals

Flushing oil and first fill of oil along with top up quantity up to Commissioning for Turbine

Packing & Forwarding

Transportation up to site

Transit Insurance

Unloading & shifting of all equipment at site

Site storage insurance

P.G Test. And required instrument for PG test

Instrument Air piping

Foundation bolts, lighting protection, above ground earthing , Under ground Earthing & Earth Mat

Two years operating & maintenance spares

Commissioning spares

Special maintenance tools and tackles

Chemicals for Alkali boil out

Hydro test pump for boiler (on loan basis)

Fasteners, gaskets, mating flanges as required

N2 cylinders, header, regulators and piping up to one point near boiler front column.

Providing Erection tools, tackles, hoists, derricks, slings, scaffolding, rigging tools, welding sets, instruments, appliances, consumables required .

Stress relieving of welded joints

Pre-commissioning check, mass flushing alkali boil out, steam blowing, trial run of all equipment calibration of instrument & control etc.

OTHERS MISCELLANEOUS

Public Address System 10 locations

25 Nos of intercom points with instruments, wiring and EPBX

Installation of CCTV Camera with 2 Nos. display units (Each Plant) at various locations.

Air Conditioning System

Centralized AC plant with AHU for Main Control room in TG building and shift incharge/conference room, C&I panel room, VFD room etc as per the equipment need based.

Split AC for ESP control room, CHP, WTP or any other rooms need based.

Ventilation System

Pressurized Wet Ventilation system for HT SWGR room

Roof extractor fan for T.G hall

Wet Ventilation system for Turbine Area

Ventilation System for AHS, FHS and ESP MCC area, cable cellar room.

FIRE FIGHTING SYSTEM

Design and Engineering of complete Fire fighting system

Pressurized water for the system shall be provided at battery limit by GIDC

Complete fire fighting system for entire plant with required number of hydrant points with hose for all fire prone zones, all panel and control room, Turbine, CHP system complete including coal storage shed requirement, boiler all floors, cable cellar, MCC room, transformer area, lub oil tank lub/control oil circuit etc.

Fire Buckets at required points filled with sand

Portable Fire Extinguishers (Please refer Annexure for location of fire fighting equipments)

MVWS/HVWS Systems

Fire Alarm system, annuncoator, etc. Smoke Detectors

CIVIL

Complete civil works including chimney including Design and construction of buildings, foundations for all the equipment, trenches and other civil works, land levelling & grading and below ground, motorable roads, drains,

Control rooms

Effluent disposal pit, if any, drainage & sanitary works.

Above ground civil including turbine house, boiler civil work, and control room,MCC Room, CHP area gizzly hopper, crusher screen house, equipment foundation etc all other control room, WTP including N-pit, Cooling water sumps, ash silos etc. shall be considered in EPC supplier scope

Toe guard plates at periphery of boiler where ever required (6mm thick, 150 height)

False flooring of 1 mtr. Depth shall be considered.

STEAM DISTRIBUTION NETWORK

Laying steam line on pipe rack as a part of steam network from boiler/turbine outlet through Headers, PRDS etc. upto each individual consumer industry with all proper engineering for minimum pressure loss and avoiding condensation, with steam trap,expansion loops and all proper pipe supports for expansion with proper interconnection at multiple location for isolation without interruption of steam supply to consumer industry Steam meter with flow measurment devise and hooking up with DCS for accounting and Billing purpose is the EPC supplier scope.

RETURN CONDENSATE NETWORK

From each consumer industry pressurised Good condensate after three way valve will be connected to the main central collecting header with flow metre/totaliser for each consumer industry and will feed to return condensate tank at each location. The condensate shall be pumped to the polishing unit through the PHE to heat up the deaerator feedwater.

PAINTING

Painting material for items under scope. Surface cleaning : SA21/2 For insulated surfaces, 2 coats of Zinc rich epoxy primer (50 microns per coat) For Uninsulated surfaces 2 coats of Zinc rich epoxy primer (50 microns per coat) and 2 coats of Zinc rich epoxy final painting (50 microns per coat)

Necessary insulation & Cladding as Required

GENERAL - PLANT BOP

Isolation valves for the cooling water inlet and outlet lines of TG auxiliaries such as oil coolers, Generator coolers with Instruments

Necessary Expansion bellows at all required points

Matting flanges all flanged end connections and loose supplied valves and fittings

Hoist, Elevator, Monorail with chain pullet blocks. for Maintenance of Equipments.

EPC Supplier shall consider 500 kg Personnel/Freight Elevator for approach to TG Building.

EPC Supplier shall consider 1000 kg Personnel/Freight Elevator for approach to Boiler Top.

Miscellaneous structure materials such as Insert plates, Ladders, staircases, platforms within the battery limit.

Applicable Drain piping up to flash tank.

Vent and exhaust piping up to building roof.

Construction Power , Water and drinking water shall be arranged by EPC supplier

Under ground earthing - earth pit (chemical type) & earth grid.

DESCRIPTION

T.G. BUILDING

RCC framed construction with RCC intermediate floors, brick wall, precoated galvalume sheet roof with MS truss for TG bay. Structure steel column above EOT Bracket level with brick wall / window / door shall be provided. Adequate nos. of Eco Ventilator and Roof light sheet shall be provided. Access to roof shall be provided.

Cable Cellar Room

MCC room

Control room

TG floor

Deaerator floor

Miscellaneous Rooms for Mechanical and Electrical equipment's

Maintenance Bay

Miscellaneous Items

Insert plate, curb angle, pipe sleeves, foundation bolts to be provided.

Alluminium partition for control room / offices.

Toilet block / Office shall be in EPC Contractor's scope.

Lift for TG Building

Flooring - Turbine floor / Stair case - Polished kota stone.

Motorable road and Road side Flood drain

Balance area - IPS flooring.

FOUNDATION FOR MAIN & AUX. COOLING TOWER

Cooling Tower Basin

Material of cooling water fore bay

BOILER

Civil / RCC structure for Boiler shall be upto Boiler operating floor 5 to 5.5 mtr elevation as per IBR Requirement

MS structure for Boiler shall be from boiler operating floor

Supporting sturcutre for roof / side cladding / louvers.

Precoated Galvalume sheet for Roofing / Side Cladding / Louvers from Firing floor onwards.

Rain water gutters and drain piping from roof to ground level.

Boiler operating floor / other platform - Grating / Chequered plate.

Civil / RCC structure for ESP shall be upto +300mm.

MS structure for ESP shall be from +300mm level onwards.

Platform - Grating / Chequered plate.

ESP & CHP MCC ROOM

RCC framed structure with brick wall and RCC roof slab.

CRUSHER HOUSE

RCC framed construction with RCC intermediate / roof floors, brick wall with necessary doors / windows / opening / staircase.

Structure steel column above Primary screen floor onwards with MS truss and precoated Galvalume sheet - roofing / side cladding to be provided.

COAL HANDLING PLANT

Necessary civil / structural work required for coal handling plant to be provided.

Conveyor foundation, crusher/screen building, gizzly hopper and tunnel, coal shed, MCC room

RCC CHIMNEY

RCC Chimney each of xx mtr and xx mtrs height (Height as per GPCB Norms),

ROAD AND STORM WATER DRAIN

Plant internal road & approches - (RCC) to be provided.

Precast Storm water drain of adequate design to be provided.

PAVEMENTS

Pavement of the North, South and WTP area where the 210 TPH project is coming is the scope of EPC Bidder.

RCC Paving works with nominal reiforcement for Boiler, Bunker, ESP, Fan foundations, around TG Building / Cooling tower and in the area of new Power plant.

Boundry

Green Belt & Plantation

BURRIED PIPE LINE

Civil works for burried pipe line including rapping / coating etc.

Proper supports for all the above ground line.

Complete civil work for softner, DM plant and storage area, N-Pit etc.

Foundation for ID, FD & PA fan, Blow down tank, duct suuport etc.

Conveyor support pedestal.

Transfer tower support including steel structure.

Plumbing and sanitary works for the proposed power plant area.

Site grading works upto + / - 300mm level.

Drain sump pit.

Washroom at TG floor and 0.0 mtr floor.

GENERAL

The scope of EPC contractor covers the desing, construction of civil, structural and architectural work including supply of all materials, labours and tools as required for successful execution of the new power plant. This includes the piling as well civil / structural work required for the proposed power plant.

OPC/ SRC cement will be used for Substructures & Superstructures.

TMT Fusion bonded Epoxy coated Fe 500 D reinforcement steel bars confirming to IS : 1786 will be used.

Disposal of surplus earth upto a distance of 1.0 km with in estate as directed by EIC

Backfilling of required quantity in proposed power plant area shall be in the scope of EPC contractor.

The power and water required for the construction, erection and commissioning of the power plant shall be in EPC supplier scope

Building Painting

Construction of Site office / store will be EPC contractor's scope.

Temporary covered shade for storing free issue cement - EPC Contractor's scope.

Any modification required for the new power plant is in the scope of EPC contractor. Such modification made may be brought to its required state fo which it is intended to use for.

Any other works required to be executed for the new power plant which is not mentioned in the scope shall be in the EPC contractor. No extra claim will be entertained for such work.

Architectural, Structural, furniture, plumbing and electrical layout for all building works needs to approved from competent authority of GIDC and the make of each item shall be as per approved make list enclosed with this document.

3D modelling of the entire steam plant site will be in the EPC contractor’s scope.

Proof checking from the 3rd Party as approved from the competent authority for all civil and structural design and drawings shall be in EPC contractor’s scope.

Bidder to do site survey, soil investigation, contour survey, etc. required for bidding process by their own. Moreover, Finish Ground Level of the plant plot area shall be considered minimum 300 mm above finish road level of the Estate area.

Refer approved make list for the all building and eletro mechanical items

UNITS

Kcal/kWh

Kcal/kWh

Months

DESCRIPTION

Type of Boiler

Type of circulation

Type of support

No. of Boilers

Boiler design code

Boiler Predicted Performance

No of Boilers

Boiler Capacity (MCR)

Peak Capacity of Boiler

Steam temperature at Superheater outlet

Superheated steam control range

Steam pressure at superheater outlet

Minimum continuous rating of the Boiler with automatic controls

Feed water temperature at Economiser inlet

Excess air

Oxygen content in flue gas at Boiler outlet

Boiler efficiency based on G.C.V with 100% Imported coal

Fuel consumption

Lime stone consumption with 100% Imported coal and 70% Imported + 30% Biomass

Sox in the flue gas : Without lime dosing

Sox in the flue gas for 100 % Imported : With lime dosing

Sox in the flue gas with 70 % Imported+30% Biomass : With lime dosing

Boiler design for firing other fuels 100% Imported coal and 70% Imported + 30% Biomass on heat basis

Breakup Losses Breakup Losses Breakup Losses

a. Unburnt carbon loss

b. Sensible heat loss through ashes

c. Dry flue gas loss

d. Loss due to moisture and Hydrogen in fuel

e. Loss due to moisture in Air

f. Radiation Loss

g. Other loss - Manufacturer’s Margin

h.Unaccounted loss

i. Total losses

Flue Gas Temperature Flue Gas Temperature

a. Furnace temperature

b. Economiser inlet

c. Airpreheater inlet

d. Airpreheater outlet

e. APH outlet temperature with Petcoke firing

f. ESP outlet

g. Chimney outlet

Water Temperature

a. Economiser inlet

b. Economiser outlet

Ciculation ration of water

Air Temperature leaving Airheater

Air Pressure at

a. FD Fan outlet

b. Airheater inlet

c. Airheater outlet

d. Airbox

e. PA Fan inlet

f. PA Fan header

Flue Gas Pressure at

a. Furnace outlet

b. Superheater inlet

c. Superheater outlet

d. Economiser outlet

e. Airheater inlet

f. Airheater outlet

g. ESP inlet

h. ESP outlet

i. ID fan inlet

j. ID fan outlet

Flue Gas Velocities

a. Fluidised bed

b. Furnace

c. Primary Superheater

d. Secondary Superheater

e. Economiser

f. Air Preheater

Water Velocities

a. Economiser

b. Feed water line

Steam velocities

a. Primary superheater

b. Secondary Superheater

c. Main steam line

Steam Pressure Profile

a. At main steam stop valve

b. Superheater safety valve set pressure

c. Pressure drop across Primary Superheater

d. Drum Safety valve I set pressure

e. Drum Safety valve II set pressure

Auxiliary Power Consumption at MCR condition at MCC

Provided Heat Transfer Areas

a. Bed coil (Area is considered without ss studs. Bed coils are with SS studs)

b. Furnace

c. Primary Superheater

d. Secondary Superheater

e. Economiser

Boiler bank

pressure part area

f. Air pre heater

g. Total area

Boiler Construction Details

Drums

a. Internal diameter

b. Drum shell material

e. Drum dished end thickness

c. Drum dished end material

d. Type of drum support

e. Drum operating pressure at MCR

f. Drum Design pressure

g. No. of Direct level gauges on drum

h. Type of Steam Drier / Separator provided

Bed Tube Assembly

a. Type of tube arrangement

b. Tube size (OD x T)

c. Bed Tube material

d. Header size (OD x T)

e. Pitch

f. Stud material

Water wall Assembly

a. Type of construction

b. Tube size (OD x T)

c. Tube material

d. Header Size (OD x T)

e. Header material

f. Fin material and thickness

g. Water wall size (L x W)

h. Water Wall height from Bottom Header to Top Header

Convection Superheater

Primary Superheater

a. Type of flow

b. Arrangement

d. Tube size (OD x T)

e. Tube material

f. Inlet Header material

g. Tube pitch arrangement

Secondary Superheater

a. Type of flow

b. Arrangement

d. Tube size (OD x T)

e. Tube material

f. Header Size ( OD X T )

g. Inlet Header material

h. Tube pitch arrangement

Desuperheater

a. Type

b. Number

c. Material of pipe

Economiser

a. Tube size (OD x T)

b. Tube material

c. Header size (OD x T)

d. Header material

e. Casing material

Soot Blowers (Motorised)

a. Economiser zone Rotory type

b. SH Zone, Long rectractable

PRDS I , (for HP steam)

a. Inlet pressure

b. Inlet temperature

c. Outlet pressure

d. Outlet temperature( Tentative)

e. Outlet steam quantity (Tentative)

PRDS II , (for LP steam)

a. Inlet pressure

b. Inlet temperature

c. Outlet pressure

d. Outlet temperature( Tentative)

e. Outlet steam quantity (Tentative)

PRDS III . (Process steam bypass)

a. Inlet pressure

b. Inlet temperature

c. Outlet pressure

d. Outlet temperature( Tentative)

DSH for Process steam

e. Outlet steam quantity (Tentative)

Airheater

a. Arrangement and type

b. Tube size (OD x T)

c. Tube material

d. Flow medium

• Inside tubes

• Outside tubes

e. No. of blocks of Airheater

f. APH Dampers (Manual)

Fluidised Bed

a. Fluidised bed size

b. Bed area / Compartment

c. No. of Compartments

d. Bed plate material

e. Bed plate size (L x W)

f. Fuel Nozzle material

g. Fuel Nozzle cap material

h. No. of fuel Nozzles / Compartment

i. Material of Air Nozzle

j. Recommended fuel particle size at the inlet of furnace (mm)

k. No. of ash drain pipes /Compartment

l. Ash drain pipe material

Fuel Feeding System

a. Type of feeders

b. Location

c. Number of feeders

d. Feeder Drive Rating

Overbed feeder Loading

e. Type of feed control system

f. Method of feed rate adjustment

g. Method of feed rate adjustment

h. Feeder motor capacity

Ducting Specification

a. Material of construction

b. Thickness (mm)

c. Blowdown Tank (common for CBD& IBD)

d. Material

Sample cooler

a. Type

b. Sampling Points

c. MOC of Shell

d. MOC of Coil

Online SWAS for Ph and conductivity only

Feed Water Pumps (1W + 1S) 20% Margin of flow & 5% on head over second safety valve set pressure

a. Pump Type

b. Fluid Temperature

c. Rated Flow

d. Differential head at rated Condition

e. Speed

f. Recirculation type

g. Intermediate low stage bleed for desuperheter.

DEAERATOR CUM STORAGE TANK

Deaerator

a. Type

b. Design standard

c. Storage capacity - from NL to LL

Design Conditions

a. Deaeration capacity

b. Design temperature

c. LP Steam pressure at pressure control valve inlet

d. LP steam temperature @ ( º C) :pressure control valve inlet

e. Temperature of incoming water

f. Deaerated Water temp.

g. Dissolved Oxygen in Deaerated water

h. Quantity of Steam required

i. Corrosion Allowance considered

j. Storage for normal capacity between NWL & LWL (Min 20 minutes storage)

k. support type

l. MOC of Shell,Dishedend & storage tank

m. MOC of Pipe nozzles

n. MOC of spray nozzle /trays

o. Internals

p. Piping between transfer pump and feedpump

FANS - 10% extra capacity for flow and Head.

a. Quantity/Boiler

b. Flow at MCR ( margin of 20% extra on MCR)

c. Flow at Test Block (TB)

d. Head at MCR

e. Head at Test Block (TB)

f. SPEED

g. DRIVE ( with star delta changeover system)

CHEMICAL DOSING SYSTEM

a. Type of system

b. Tank Capacity

c. Tank/Piping Material

e. Type of stirrer

f. Type of pump

g. No. of pumps

h. Capacity of the pump

i. Head developed by pump

j. Motor rating

k. Chemical to be dosed

FUEL STORAGE BUNKER

a. No. of Bunker

b. Type

c.Material to be stored

d.Material of construction

e.Storage volume of the bunker

f. Discharge gate type

g. SS Lining in Bunker Conical portion Considered

g. SS Lining in surge Considered

h. Thickness of Lining

i. Top cover (Chequered plate)

j. Supports

k. Valley angle (Degrees)

BED MATERIAL HANDLING SYSTEM

a. Bed material bunker

b. Bed material handling system

LIMESTONE HANDLING SYSTEM

a. Limestone material bunker

b. Limestone handling system

ELECTRO STATIC PRECIPITATOR

a. Type

b. Number of precipitator/Boiler

c. Number of gas path

d. Number of Electrical fields in series, in the direction of gas flow

e. Space between the centres of collecting Electrodes across the gas path

f. Nominal width x height of collecting electrodes per field, in the direction of gas flow

g. Nominal lengths of collecting electrodes per field, in the direction of gas flow

h. Total effective collecting area provided

i. Total number of HV TR units

j. Rating of each HV TR units

a). Collecting electrode plate

b). Emitting electrode

l. Flue gas flow

m. Gas inlet temperature

n. Inlet dust concentration (dry basis)

o. Collecting efficiency with all the fields in service

p. Collection efficiency with one field out of service

q. Outlet dust concentration 100 % Imported and 70%Imported+30% Lignite mix.

q. Outlet dust concentration with lime dosing 100 % Imported and 70%Imported+30% Lignite mix.

r. Guaranteed outlet dust concentration with First field out of service

s. Total power consumption of the ESP system for all fields

t. Specific collecting area

v. Casing thickness

w. Insulation material and density

x. Cladding material and thickness

y. Remote indication for KV and mA provided through transducer for each TR of Rectifier unit

z.ESP MCC/Rapper control panel/ TR set control panel bided

All safety interlocks for HV bus system and earthing switch considered/supplied

Predicted Boiler performace at various load for different fuel mix.

DESCRIPTION

Type of Boiler

Type of circulation

Type of support

No. of Boilers

Boiler design code

Boiler Predicted Performance

No of Boilers

Boiler Capacity (MCR)

Peak Capacity of Boiler

Steam temperature at Superheater outlet

Superheated steam control range

Steam pressure at superheater outlet

Minimum continuous rating of the Boiler with automatic controls

Feed water temperature at Economiser inlet

Excess air

Oxygen content in flue gas at Boiler outlet

Boiler efficiency based on G.C.V with 100% Imported coal

Fuel consumption

Lime stone consumption with 100% Imported coal and 70% Imported + 30% Biomass

Sox in the flue gas : Without lime dosing

Sox in the flue gas for 100 % Imported : With lime dosing

Sox in the flue gas with 70 % Imported+30% Biomass : With lime dosing

Boiler design for firing other fuels 100% Imported coal and 70% Imported + 30% Biomass on heat basis

Breakup Losses Breakup Losses Breakup Losses

a. Unburnt carbon loss

b. Sensible heat loss through ashes

c. Dry flue gas loss

d. Loss due to moisture and Hydrogen in fuel

e. Loss due to moisture in Air

f. Radiation Loss

g. Other loss - Manufacturer’s Margin

h.Unaccounted loss

i. Total losses

Flue Gas Temperature Flue Gas Temperature

a. Furnace temperature

b. Economiser inlet

c. Airpreheater inlet

d. Airpreheater outlet

e. APH outlet temperature with Petcoke firing

f. ESP outlet

g. Chimney outlet

Water Temperature

a. Economiser inlet

b. Economiser outlet

Ciculation ration of water

Air Temperature leaving Airheater

Air Pressure at

a. FD Fan outlet

b. Airheater inlet

c. Airheater outlet

d. Airbox

e. PA Fan inlet

f. PA Fan header

Flue Gas Pressure at

a. Furnace outlet

b. Superheater inlet

c. Superheater outlet

d. Economiser outlet

e. Airheater inlet

f. Airheater outlet

g. ESP inlet

h. ESP outlet

i. ID fan inlet

j. ID fan outlet

Flue Gas Velocities

a. Fluidised bed

b. Furnace

c. Primary Superheater

d. Secondary Superheater

e. Economiser

f. Air Preheater

Water Velocities

a. Economiser

b. Feed water line

Steam velocities

a. Primary superheater

b. Secondary Superheater

c. Main steam line

Steam Pressure Profile

a. At main steam stop valve

b. Superheater safety valve set pressure

c. Pressure drop across Primary Superheater

d. Drum Safety valve I set pressure

e. Drum Safety valve II set pressure

Auxiliary Power Consumption at MCR condition at MCC

Provided Heat Transfer Areas

a. Bed coil (Area is considered without ss studs. Bed coils are with SS studs)

b. Furnace

c. Primary Superheater

d. Secondary Superheater

e. Economiser

Boiler bank

pressure part area

f. Air pre heater

g. Total area

Boiler Construction Details

Drums

a. Internal diameter

b. Drum shell material

e. Drum dished end thickness

c. Drum dished end material

d. Type of drum support

e. Drum operating pressure at MCR

f. Drum Design pressure

g. No. of Direct level gauges on drum

h. Type of Steam Drier / Separator provided

Bed Tube Assembly

a. Type of tube arrangement

b. Tube size (OD x T)

c. Bed Tube material

d. Header size (OD x T)

e. Pitch

f. Stud material

Water wall Assembly

a. Type of construction

b. Tube size (OD x T)

c. Tube material

d. Header Size (OD x T)

e. Header material

f. Fin material and thickness

g. Water wall size (L x W)

h. Water Wall height from Bottom Header to Top Header

Convection Superheater

Primary Superheater

a. Type of flow

b. Arrangement

d. Tube size (OD x T)

e. Tube material

f. Inlet Header material

g. Tube pitch arrangement

Secondary Superheater

a. Type of flow

b. Arrangement

d. Tube size (OD x T)

e. Tube material

f. Header Size ( OD X T )

g. Inlet Header material

h. Tube pitch arrangement

Desuperheater

a. Type

b. Number

c. Material of pipe

Economiser

a. Tube size (OD x T)

b. Tube material

c. Header size (OD x T)

d. Header material

e. Casing material

Soot Blowers (Motorised)

a. Economiser zone Rotory type

b. SH Zone, Long rectractable

PRDS I , (for HP steam)

a. Inlet pressure

b. Inlet temperature

c. Outlet pressure

d. Outlet temperature( Tentative)

e. Outlet steam quantity (Tentative)

PRDS II , (for LP steam)

a. Inlet pressure

b. Inlet temperature

c. Outlet pressure

d. Outlet temperature( Tentative)

e. Outlet steam quantity (Tentative)

PRDS III . (Process steam bypass)

a. Inlet pressure

b. Inlet temperature

c. Outlet pressure

d. Outlet temperature( Tentative)

DSH for Process steam

e. Outlet steam quantity (Tentative)

Airheater

a. Arrangement and type

b. Tube size (OD x T)

c. Tube material

d. Flow medium

• Inside tubes

• Outside tubes

e. No. of blocks of Airheater

f. APH Dampers (Manual)

Fluidised Bed

a. Fluidised bed size

b. Bed area / Compartment

c. No. of Compartments

d. Bed plate material

e. Bed plate size (L x W)

f. Fuel Nozzle material

g. Fuel Nozzle cap material

h. No. of fuel Nozzles / Compartment

i. Material of Air Nozzle

j. Recommended fuel particle size at the inlet of furnace (mm)

k. No. of ash drain pipes /Compartment

l. Ash drain pipe material

Fuel Feeding System

a. Type of feeders

b. Location

c. Number of feeders

d. Feeder Drive Rating

Overbed feeder Loading

e. Type of feed control system

f. Method of feed rate adjustment

g. Method of feed rate adjustment

h. Feeder motor capacity

Ducting Specification

a. Material of construction

b. Thickness (mm)

c. Blowdown Tank (common for CBD& IBD)

d. Material

Sample cooler

a. Type

b. Sampling Points

c. MOC of Shell

d. MOC of Coil

Online SWAS for Ph and conductivity only

Feed Water Pumps (1W + 1S) 20% Margin of flow & 5% on head over second safety valve set pressure

a. Pump Type

b. Fluid Temperature

c. Rated Flow

d. Differential head at rated Condition

e. Speed

f. Recirculation type

g. Intermediate low stage bleed for desuperheter.

DEAERATOR CUM STORAGE TANK

Deaerator

a. Type

b. Design standard

c. Storage capacity - from NL to LL

Design Conditions

a. Deaeration capacity

b. Design temperature

c. LP Steam pressure at pressure control valve inlet

d. LP steam temperature @ ( º C) :pressure control valve inlet

e. Temperature of incoming water

f. Deaerated Water temp.

g. Dissolved Oxygen in Deaerated water

h. Quantity of Steam required

i. Corrosion Allowance considered

j. Storage for normal capacity between NWL & LWL (Min 20 minutes storage)

k. support type

l. MOC of Shell,Dishedend & storage tank

m. MOC of Pipe nozzles

n. MOC of spray nozzle /trays

o. Internals

p. Piping between transfer pump and feedpump

FANS - 10% extra capacity for flow and Head.

a. Quantity/Boiler

b. Flow at MCR ( margin of 20% extra on MCR)

c. Flow at Test Block (TB)

d. Head at MCR

e. Head at Test Block (TB)

f. SPEED

g. DRIVE ( with star delta changeover system)

CHEMICAL DOSING SYSTEM

a. Type of system

b. Tank Capacity

c. Tank/Piping Material

e. Type of stirrer

f. Type of pump

g. No. of pumps

h. Capacity of the pump

i. Head developed by pump

j. Motor rating

k. Chemical to be dosed

FUEL STORAGE BUNKER

a. No. of Bunker

b. Type

c.Material to be stored

d.Material of construction

e.Storage volume of the bunker

f. Discharge gate type

g. SS Lining in Bunker Conical portion Considered

g. SS Lining in surge Considered

h. Thickness of Lining

i. Top cover (Chequered plate)

j. Supports

k. Valley angle (Degrees)

BED MATERIAL HANDLING SYSTEM

a. Bed material bunker

b. Bed material handling system

LIMESTONE HANDLING SYSTEM

a. Limestone material bunker

b. Limestone handling system

ELECTRO STATIC PRECIPITATOR

a. Type

b. Number of precipitator/Boiler

c. Number of gas path

d. Number of Electrical fields in series, in the direction of gas flow

e. Space between the centres of collecting Electrodes across the gas path

f. Nominal width x height of collecting electrodes per field, in the direction of gas flow

g. Nominal lengths of collecting electrodes per field, in the direction of gas flow

h. Total effective collecting area provided

i. Total number of HV TR units

j. Rating of each HV TR units

a). Collecting electrode plate

b). Emitting electrode

l. Flue gas flow

m. Gas inlet temperature

n. Inlet dust concentration (dry basis)

o. Collecting efficiency with all the fields in service

p. Collection efficiency with one field out of service

q. Outlet dust concentration 100 % Imported and 70%Imported+30% Lignite mix.

q. Outlet dust concentration with lime dosing 100 % Imported and 70%Imported+30% Lignite mix.

r. Guaranteed outlet dust concentration with First field out of service

s. Total power consumption of the ESP system for all fields

t. Specific collecting area

v. Casing thickness

w. Insulation material and density

x. Cladding material and thickness

y. Remote indication for KV and mA provided through transducer for each TR of Rectifier unit

z.ESP MCC/Rapper control panel/ TR set control panel bided

All safety interlocks for HV bus system and earthing switch considered/supplied

Predicted Boiler performace at various load for different fuel mix.

UNITS

7 MW Normal condiion.

Constant pressure

Kg/cm2 (g)

As per ASME-TDP-1 (Latest)

Kg/cm2 (g)

GS17CrMo55

GS17CrMo511

X22CrMoV12.1

30CrMoNiV511

Chest GS17CrMo511 X22CrMoV12.1

Wrought/ Forged CS Shell and tin based Babbitt Lining

To be indicated by Supplier

m x m x m

Stainless steel after the filters up to the bearings.

MOP AOP EOP

ltr / min

kg/sq cm

Duplex type filters with online switchover & stainless steel element. The filter element size shall be 10 microns (nominal) or a size to meet the requirement of the turbine

Kcal / hr

centrifuge

Continuous shall be connected Permanently with main oil tank.

As per Turbine EPC Supplier

Separate or common for lube oil and control oil (as per the equipment EPC Supplier’s practice)

Stainless steel

2 x 100% duplex filter (replaceable cartridges shall be used for each filter) , the filter rating shall be 5 microns (nominal) or a size to meet the requirement of the turbine.

Meter

Cu.m3/hr

Automatic

Shell and Tube (SS-304) type

Labyrinth

Double acting eletro- hydraulic/pneumatic piston type

ASME SEC VIII Div. 1

ASTM A285 Gr.C

ASTM A285 Gr.C

ASTM A106 Gr.B

ASTM A285 Gr.C

ASTM A105

ASTM A193 Gr. B7

ASTM A193 Gr. 2H

Spiral wound SS 316 with graphite

Kg/Cm2 (g)

Kg/Cm2 (g)

Continuous and suitble for parallel operation

Yes/No

m x m x m

Brush less

Unitrol 1020

0.2(metering)

0.2S(metering)

Vacuum contractor

Mounting - plug in type

3 phase supply

FC + FCBC

Yes / No

Yes / No

Yes / No

Yes / No

UNITS

Kg/Cm2(g)

Controlled Extraction cum Condensing

Anticlockwise

Woodward Latest Model

m x m x m

Shell & Tube

Steam Jet Air Ejector

Kg/Cm2(a)

Synchronous; Brushless

TDPS Preffered

Yes/No

Yes/No

m x m x m

Brush less

ABB prefered

Digital

0.2(metering)

0.2S(metering)

100A for 30sec

Vacuum contractor

Simplex

Mounting - plug in type

3 phase supply

FC + FCBC

liters

ltr / min

kg/sq cm

Yes/No

Kcal / hr

Centrifugal

Horizontal

Shell & Tube

Welded/ Seemless

Admiralty Brass

Woodward Latest Model

Yes / No

Yes / No

Yes / No

Yes / No

UNITS/ DATA

Air/ Water

200 BHN mini

Net.Cu M/Hr

This includes manual knife gate valve, motorised rotary vane feeder and ash conditioner.

Telescopic chute

cub m/hr

cub m/hr

Meter

UNITS

mm x mm

mm x mm

V / HZ / Ph

BC-1, BC-2, BC-3

kg/Cu.m

Numbers.

Yes/No

Both Side

PRIMARY SCREEN/ SECONDORY SCREEN

Kg/Cum

mm x mm

(Yes / No)

Kg/Cum

Units

PULTRUDED FRP Induced draft Counter flow (RCC construction upto Basin Foundation)

mkcal/hr

Meters ( LXWXH)

Meters ( LXWXH)

Meters ( LXWXH)

Meters

Meters

Meters

415 V/3 Ph/50 hz

kW/rpm

cfm or m3/hr

Gear box

Pultruded FRP structural componenets

Pultruded FRP structure.

Corrugated FRP

Corrugated FRP

multi pass zigzag type Cellular PVC

MSHDG

Polypropelene

Polypropelene supported by MSHDG frame

Cast Alluminium Alloy / hollow cast FRP

HDG steel & SS 304 HARDWARE

HDG steel

Pultruded FRP ( Anti Skid type)

PVC mini V2 Bar

FRP Louvers must be properly designed to give uniform distribution of air with minimum pressure drop

Kg/hr/sq.m

Kg/hr/sq.m

Kw/cell

Boiler Supplier

In Door (TG Building)

415V, 50Hz AC, 3 Phase, Neutral

110V AC / 230V AC

M5 for Indoor operations

MAIN HOIST

To be decided based on turbine supplier recommendation

No. of Falls

steel core

Electro Hydraulic Thruster

Qty. Total / Driving

Shall be as per TG building layout

Shall be as per TG building layout

Cum/hr

Carbon Steel

ASTM A 743 Gr. CF8M

ST ASTM A276-410

ASTM A 276 Type 410

As per NEMA TR-1

As per IS 1180(Part - 2)

Resistance grounded

Solidly grounded

Electrolytic grade copper

Primary winding

Cable (Size: R X C x mm2)

Bus-Duct /Cable (Size: R X C x mm2)

Earth strip/ Cable

Window type (bar primary), Epoxy cast resin

Standby E/F and REF

5P15 and PS

Litres

Litres

Litres

NIFPS

45 (above average ambient temp)

40 (above average ambient temp)

Epoxy paint, shade RAL 7032

Yes/No

As per approved manufacturer’s list.

V/ph/Hz

Non effectively earthed (Thro NGR)

Indoor

Floor Mounted, Metal Clad, Drawout Type, Single Tier

Bottom

As per single line diagram

kV(rms)

kV(peak)

Copper

Color coded Heat shrinkable PVC sleeve. Bus bar joints with shrouds of 26kV insulation

Silver faced.

As per specification

kV, ph, Hz

Motor charged spring. Manual trip and close facility to be provided.

Shall be provided

kA(peak)

V, Phase

Cast resin bar primary

26.3 kA for 3 sec.

kA, 2.5 times of Ik

Ratio 50/ 1.

Cast resin

Star / Open

1.2 continuous,

Class ‘E’ or better

kV(rms)

kV(peak)

As per SLD enclosed

As per SLD enclosed

Numerical

By vendor at factory

IEC 61850/ MODBUS

UNITS/ DATA

3 Phase, 4 Wires

Solidly grounded

Fixed/ Draw-out

Single Front/ Double Front

Bottom

CRCA, Sheet Steel

min. 2 mm

min. 3 mm

3 mm thick sheet steel

4 mm thick aluminium

Air cooled (Natural)

7 tanks process for surface preparation

2 coats of epoxy based primer , powder coating

2 coats of epoxy based finish paint, powder coating

60 Micron

Anodised Aluminium

2 mm (min.)

Aluminium grade 6106 T6 /copper

Electrolytic grade

Yes, Colour coded, Heat shrinkable sleeves.

SMC/ DMC/ FRP/ Epoxy

Epoxy / SMC / DMC

65 kA for 1 sec

Copper

110V AC/ 230V AC +/- 10% through control transformer

110V AC/ 230V AC +/- 10%

110V AC/ 230V AC +/- 10%

Drawout Air Circuit Breaker

65 kA for 1 sec

O - 3 min.- CO - 3 min. - CO

Stored energy spring charged

watts

watts

watts

Yes / No

100 % Icu for all applications including motor starters

As per SLD

As per SLD

As per SLD

High rupturing

85 to 110 % of rated Volatge

# % rated voltage

85 to 110 % of rated Volatge

# % rated voltage

Cast resin wound / bar primary

Cast resin

Microprocessor based

Bimetallic / Electronic

Electromechanical / static

Electromechanical / static

Electromechanical / static

Electromechanical / Numerical

Yes / No

Yes / No

Incomer/Buscoupler -

By vendor at factory

As per SLD enclosed

As per SLD enclosed

Analog/ Digital

Analog/ Digital

Digital

Digital

Taut Band, 240 degree

min. 96 x 96 mm

min. 96 x 96 mm

IEC/ MODBUS

Yes / No

Dry type, Air cooled,vacuum impregnated

based on load, minimum 100 VA

110 V AC/ 230 V AC

+/- 5% in steps of 2.5 %

Clustered LED with min. 8 mm dia

Red/ Green/ Amber

White

Rotary, stayput

Pistol grip, T-N-C Switch, spring return to neutral

spring return

spring return

Stay put type, Mushroom head, turn to release

Thermostat with MCB

Cable chamber / Bus bar chamber

As per space heating requirement

Feeder protection

50Hz, IEC Standard, English language

Flush mounting

Screw type / plug-in type

Graphic display

English

samples per cycle

USB serial interface

MODBUS-TCP/IP

Parallel Redundancy Protocol (PRP)

Multi mode

PCC / MCC

As per SLD

As per SLD

As per SLD

watts.

Indoor

0.6 for Al, 1.0 for CU (A/mm2)

65 kA for 1 sec

105 kA(peak)

Static wt (Kgs)/ Dynamic wt / (Kgs) /Dimensions (MM)

Static wt (Kgs)/ Dynamic wt / (Kgs) /Dimensions (MM)

Width of Panel in mm ( single front /Double front)

UNITS/ DATA

As per Vendor List

Preliminary/Final

Non- Hazardous

Outdoor

Continuous

(Yes/No)

TEFC / TETV / CACA

A(Starting/ No load/ Full load)

% ( Full load)

KW (No load/ Full load)

KW (No load/ Full load)

Yes/ No

Yes/ No

Vacuum CB

Class F

Class B

ohms at 95°C

ohms at 95°C

2 nos. RTDs per phase (Duplex) (RTD shall be provided between the coil sides to correctly measure the winding temperature.)

2 nos. RTDs (1 per DE & NDE bearing) (Simplex)

Yes / No

3 nos. RTDs Duplex (one per phase) located at the base of the slots, placed 120° apart.

3 wire, PT-100

Squirrel Cage

Single/ Double

DOL / VFD

Constant Torque/ Constant Power

70°C over an ambient of 50°C

°C (Stator / Rotor)

°C (Alarm / Trip)

°C (Alarm / Trip)

Bottom / Side

250mV - In case of antifriction ball bearing 400mV - In case of sleeve bearing

1 phase 240 volts AC

Parallel

Descriptions

Name of Manufacturer.

Applicable Standard to which cable confirms

Type of cable

Voltage Grade.

Conductor detail

Conductor material

Nominal cross-sectional Area

Min Number-of strands in each conductor.

Shape of conductor

Screening on Conductor :

Type &-Material.

Approx. . Thickness

Continuous working temperature.

Insulation :

Material.

Nominal thickness

Screening on Insulation :

Non metallic part

Material / Type

Approx. thickness

Armouring :

Material.

Nominal dimension of Round wire

Outer Sheath :

Material.

Extruded or Wrapped

Thickness (Min.).

Colour of outer sheath

Approximate overall diameter.

Standard drum length

Non-standard drum length

Overall Quatity Tolerance

Continuous Current Rating for Standard IS Condition when Laid.

Direct in ground at 30°c

In-air at 40°c

Allowable max. cond. Temp. when carrying cont. rated current

Short Circuit Rating

Short Circuit-current rating for 1 Sec. duration

Allowable max. cond. Temp.-at the time of short circuit

Electrical parameters

Conductor DC Resistance at 20°C. ( Max.)

Conductor AC Resistance at 90°C( approx..).

Approx. Reactance-of-cable at 50HZ

Approx. capacitance of cable

Insulation Resistance.( Volume resistivity )( Min)

at 27 Deg.C

at 90 Deg. C

Marking detail (Embossing/printing)

Sequential marking of length

UNITS/ DATA

3 Phase, 4 Wires

As per Part II B

As per Part III

CRCA Sheet steel

IP 41 for indoor, IP55 for outdoor

min. 2 mm thick Anodised Aluminium

min. 2 mm

min. 3 mm

sheet steel for 3 core Cables and non magnetic for 1C cables.

Aluminium

Electrolytic

As per IS-13947

Yes, Colour coded Heat shrinkable sleeves.

SMC/DMC/ FRP/ Epoxy

SMC / EPOXY / DMC

Clustered LED type

Analog / Digital

Digital

spring return

Stay put type, Mushroom head, turn to release

2 coats of epoxy based primer, powder coating

2 coats of epoxy based primer, powder coating

7 tanks process for surface preparation

Shade 632 of IS-5

60 Microns

UNITS/ DATA

3 Ph, Squirrel Cage Induction Motor

Indoor / Outdoor

Volts, 3 Phase ± %

YES/NO

YES for LT VFD

Voltage Source Interver, sine wave PWM

IGBT (Third Generation)

150 % for 1 minute

YES / NO

YES / NO

YES (Using Thermistors / RTDs)

YES / NO (kW & Above)

Pot, Free Contact

Pot, Free Contact

Pot, Free Contact

4-20 mA Analog active

4-20 mA Analog active

Pot, Free Contact

Pulsed Pot. Free Contact

Latched Pot. Free Contact

Latched Pot. Free Contact

4-20 mA Analog active

RS-485 / 232 / Ethernet

Profibus / Modbus / LON

Copper cables / Fibre Optic

UNITS/ DATA

kVA, V, Hz

1 Ph. 2 Wire

Parallel Redundant Online UPS with

3 Phase, 4 Wire

230 V, ± 1 % on UPS (Free run); ± 10 % on Bypass

50 Hz, ± 1 % on UPS (Free run); ± 5 % on Bypass

Sinusoidal

6 pulse /12 pulse

IGBT / SCR - Diode Module

2 % RMS ( max.)

IGBT / SCR

A for msec

VRLA ( 2 V Per Cell )

As per ACDB feeder list

SFU - HRC Fuse / fast acting semiconducting device

As per ACDB feeder lis

2 mm thick CRCA sheet steel.

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