- BANGLADESH POWER DEVELOPMENT BOARD BIDDING DOCUMENT Single-Stage, Two-Envelope System FOR PROCUREMENT OF DESIGN, SUPPLY AND INSTALL FOR PACKAGE-1-CONVERSION OF 100 MW BAGHABARI GAS TURBINE POWER PLANT TO 150 MW COMBINED CYCLE POWER PLANT AND THE CONVERSION OF 2X35 MW SHAHJIBAZAR GAS TURBINE POWER PLANT TO 105 MW COMBINED CYCLE POWER PLANT ON TURNKEY BASIS LOT-2 CONVERSION OF 2X35 MW SHAHJIBAZAR GAS TURBINE POWER PLANT TO 105 MW COMBINED CYCLE POWER PLANT VOLUME 3 - SCHEDULES December, 2016
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3 1. Schedules Page Schedule-A Schedule-B Schedule-C Schedule-D Schedule-E Schedule-F Schedule-G Schedule-H Schedule-I Schedule-J Schedule-K Schedule-L Guarantees....5 Technical Data Sheet. 7 Drawings to be furnished with Contract..85 Delivery time 89 Tools and Appliances 91 Spare Parts......93 Deviation 107 Civil and Building Works...109 List of Subcontractor..111 Description of Training Programme 113 Mobilisation and demobilisation Schedule for Construction Equipment...115 Method of Transportation and Unloading of heavy Cargo..117
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5 Schedule A 1. Combined Cycle Guarantees The guaranteed performance of the complete Combined Cycle Power Plant at site condition (35 0 C, 1.013 bar, 98% Relative Humidity) and Generator power factor of 0.80 shall be as follows MCR Load Natural Gas Net Power Output, KW ---------- Net Heat Rate (LHV of fuel) at loads 100% 75% 50% At Ambient Air Temp.35 0 C, KJ/Kwh -------- -------- -------- i) Net Power Output Net power output shall mean the power output produced by Gas Turbine Generator and Steam Turbine Generator in Combined Cycle mode measured at the high voltage side of step up transformers. ii) Net Heat Rate Net heat rate shall mean the heat equivalent of the fuel consumed by complete Combined Cycle Plant per unit time, based upon the Lower Calorific Value, divided by the net power output as defined above. iii) Cooling Water Temperature Cooling water Temperature from cooling tower at inlet of Steam Turbine Condenser and auxiliary cooling water Coolers is to be of 38 0 C at site condition (35 0 C, 1.013 bar, 98% R.H). However, the net output of complete Combined Cycle Power Plant and Steam Turbine Generator shall not be less than the guaranteed figure at site condition. iv) The guarantee performance data are to be based on the proposed Heat Balance Diagram (will be submitted during detailed design stage) and Correction Curves and/or Tables (will be submitted during detailed design stage), which are to be submitted with this Contract and which are only to adjust the guarantee performance data, should the operating conditions during the performance tests differ from the above guarantee data. v) Starting and Loading Time The Steam Turbine Generator starting time to reach Full speed no load (3000 rpm) counting from Gas Turbine start-up command to be as follows (to be guaranteed) - Cold Start (from ambient Conditions) --------hr ------- min ( max 4 hours) - Warm Start (after 8 hrs shut down period) ------hr ------ min ( max 2 hours) The Steam Turbine Generator loading time up to MCR counting from Synchronisation -------- min, to be guaranteed.
6 Start-up and loading diagram of Combined Cycle up to MCR for each cold and warm start for the following cases shall be submitted HRSG and Steam Turbine simultaneously with GTG start-up. 3. Date of completion of Initial Commercial Operation The Initial Commercial Operation of the unit shall be completed within the period from Effective date of Contract Combined Cycle unit ------- days
7 SCHEDULE-B TECHNICAL DATA SHEET B-1 Existing Gas Turbine Generator and Ancillaries [The Tenderer have to fill up the following data to ascertain that they have been acquainted with the existing equipment] Description Data Gas Turbine Standard IEC -34 & IS -5422 Type Open Cycle, Single Shaft,Heavy Duty Industrial Package type Gas Turbine Model PG9171E Compressor Type Inlet Guide Vane Casing Split Combustor Type Fuel Nozzle No of Chambers Turbine Type No of Stages Shaft speed Generator Type TARI 1080-36F Drive KVA Volts KW P.F Log Frequency Voltage & frequency variation for continuous output Rpm Phase Connection Volts(Stator) Volts(Rotor) Amps (Rotor) Cooling Duty Cycle
8 Description Altitude Winding Insulation Class & Temperature rise Degree of Protection Year Excitation System (With all Auxiliaries) Type Volts Ampere KW Rpm Duty Cycle Insulation Class Excitation Permanent magnet generator Type KVA Voltage Ampere Hz Starting System A. Starting Motor Type Capacity Volts Freq. Sync. Speed Duty B. Torque Converter Type Model Specific Torque Lube Oil Pump & Motor Motor Capacity Service Factor Rpm Voltage Ampere Made PF Pump Head Capacity Speed Model Made In Impeller Diameter Emergency Lube Oil Pump DC MOTOR Data
9 Description Capacity Speed Volts Duty Type Made in Pump Head Capacity Model Impeller Diameter Made in Turbine Cooling Exhaust Frame Blower Blower Quantity Vibration Level Service Factor Model P.F Motor Quantity Capacity Volts Frequency Speed Made in Lube Oil System Main Lube Oil Pump Capacity Auxiliary Oil Pump Capacity Emergency Lube oil Pump Capacity Total Quantity of Oil In the System Type of Filter Degree of Filtration Lube Oil Grade A. Lube Oil Reservoir B. Lube oil Mist Separator Motor Voltage Speed Phase, Freq. C. Jacking Oil Pump Motor Capacity Volts Frequency Compressor Water wash Pump Model Head Speed Discharge Made Motor Capacity Speed Data
10 Description Made Atomizing Air Booster Comp. Type Model Speed Made in Cooling Water Module Motor Capacity Voltage Made in Fan Fan Dia Speed No. of Blade Quantity Cooling Air Fan Motor (Turbine Compartment) Capacity Voltage Speed Turning Gear (AC) Type Model Ratio Turning Gear (DC) Type Model Ratio Cooling Water Module Design Pressure Operating Fluid Dyty /Surface Full nof Water Manufacturer Cooling Water Pump Model Head Motor Capacity Pump Made in Discharge Air Intake System for Turbine Material of Intake Duct Type of air Filter Material of filter medium Max. Intake Velocity Amount of Air required for GT at ISO Type of Silencer Material of Absorber Total Air Flow throw air Filter Maximum pressure loss Inlet Air Filter Manufacturer Model No Data
11 Description Filter P/N 11 KV Generator Circuit Breaker Manufacturer Year of Manufacture Rated Maximum Voltage Rated Frequency Rated Continuous Current at 35 C Circuit Breaker Rated full-wave impulse with stand voltage (peak) Power frequency withstands voltage, 1min. Rated short circuit duty cycle Rated short circuit current, symmetrical Max asymmetrical short circuit peak current Short time current Interrupting time Earthing switch Rated peak withstand current (KA peak) Rated short time withstand current (KA rms) Operating time (s) Surge Protection equipment Metal oxide surge arrester Rated discharge current 8/20 micro-sec Line discharge according to IEE C62.11, IEC 99-4 Surge Capacitors Step up - Transformer Type Standard Type of cooling Rating H.V.(MVA) (ONAF/ONAN) No load Voltage H.V.(kV) No load Voltage L.V.(kV) Line Current (HV)(Amps)(ONAN/ONAF Line Current (LV)(Amps)(ONAN/ONAF Connection Symbol Guaranteed Impedance at Normal Tap Voltage % HV LV at 75Deg.C a) of top oil by thermometer b) of winding by resistance Insulation level (bushing) EHV- (LI/AC) EHV Neutral- (LI/AC) LV- (LI/AC) Vector group Type of taps provided Taps to be on Data
12 Description Range of taps Method of Tap charge control- Manual local Electrical local Electrical Remote Automatic Data Voltage Class kv (r.m.s) EHV LV EHV-N Unit Auxiliary Transformer Connection Symbol MVA No load Voltage H.V.(kV) No load Voltage L.V.(kV) Amps. at HV Side Amps. at LV Side Phase HV/LV Type of Cooling Insulation level HV (LI /AC) LV (LI/AC) HV Neutral LV Neutral Type of taps provided Taps to be on Range of taps Method of Tap charge control- Manual local Electrical local Electrical Remote Automatic Bushing HV (LI/SI/AC) LV (LI/AC) LVN (-/AC) Station Service Transformer KVA/MVA No load Voltage H.V.(kV) No load Voltage L.V.(kV) Amps HV Amps. LV Phase HV/LV Type of Cooling Insulation level HV (LI /AC) LV (LI/AC)
13 Description HV Neutral LV Neutral Type of taps provided Taps to be on Range of taps Method of Tap charge control- Manual local Electrical local Electrical Remote Automatic Bushing HV (LI/SI/AC) LV (LI/AC) LVN (-/AC) Existing Diesel Engine Description (3 MW) Manufacturer SACM Diesel Country France Capacity Year of Manufacturer Voltage RPM Existing Diesel Engine Description (125 KW) Manufacturer Alsthom Country France Capacity Voltage RPM Data B-2 Existing Gas Booster Compressor [The Tenderer have to fill up the following data to ascertain that they have been acquainted with the existing equipment] Sl. Description No 1 Capacity 2 Ambient Air Temperature 3 Relative humidity 4 Ambient Air Pressure 5 Minimum Inlet Pressure 6 Maximum Inlet Pressure 7 Minimum Gas Temperature 8 Maximum Gas Temperature 9 Maximum Volume flow 10 Minimum Volume Gas Booster No A Gas Booster No B Gas Booster No C
14 Sl. Description No flow 11 Outlet/Service Pressure 12 Outlet/Service Temperature 13 Motor Rated Capacity 14 Name of the Manufacturer Gas Booster No A Gas Booster No B Gas Booster No C B-3 Heat Recovery Steam Generator and Ancillary Equipment 3.1 General -Type of HRSG [Vertical/ Horizontal] -------------- -Model Number -------------- -Manufacturer of HRSG, Country -------------- 3.2 Performance (1) at MCR Maximum Continuous Rating at Hot Gas Input with Gas Turbine Generator base rating, kg/hr -------------- - Superheater exit pressure, bar -------------- - Superheater exit temperature, 0 C -------------- - Feed Water temperature at Economiser -------------- inlet, 0 C - Total Pressure loss through the -------------- steam generator, mm Aq. - Pressure loss though the -------------- superheater section, mm Aq. -------------- - Pressure loss though the -------------- Evaporator section, mm Aq. -------------- - Pressure loss though the -------------- economiser section, mm Aq. -------------- -Gas leakage through bypass damper -------------- - Heat absorbing rate Superheater section, kg/m 2 /hr -------------- Evaporator section, kg/m 2 /hr -------------- Economiser section, kg/m 2 /hr --------------
15 - Gas Temperature ---------------- Gas Turbine exhaust temp., 0 C ---------------- Superheater inlet, 0 C ---------------- Evaporator inlet, 0 C ---------------- Economiser outlet, 0 C ---------------- - Pinch point temperature, 0 C ---------------- - Approach Temperature, 0 C ---------------- - Gas Velocities Superheater section, m/sec ---------------- Evaporator section, m/sec ---------------- Economiser section, m/sec ---------------- - Exhaust gas temperature ---------------- at HRSG outlet, 0 C - Water temperature Entering economiser, 0 C ---------------- Leaving economiser, 0 C ---------------- - Design pressure for high ---------------- pressure portion, bar - Working pressure at superheater ---------------- outlet, bar - Working pressure at HRSG ---------------- steam drum, bar - Static head, drum water level to ---------------- economiser inlet, bar - Working pressure at economiser, bar --------------- (2) at Partial Load (Gas Turbine output at Site Condition) 100% 75% 50% 25% - Exhaust gas flow, kg/hr ------- ------- ------- ------- - Exhaust gas temp., 0 C ------- ------- ------- ------- - Steam Output, kg/hr ------- ------- ------- ------- - Superheater exit pressure, bar ------- ------- ------- ------- - Superheater exit temp., 0 C ------- ------- ------- ------- - Feed Water temp. at ------- ------- ------- ------- economiser inlet, 0 C - Pinch point temp., 0 C ------ ------- ------- ------- - Approach temp., 0 C ------- ------- ------- -------
16 Gas Temperature Superheater inlet, 0 C ------- ------- ------- ------- Evaporator inlet, 0 C ------- ------- ------- ------- Economiser outlet, 0 C ------- ------- ------- ------- 3.3 Operating Limit - Max. gas temperature at superheater inlet during start-up, 0 C ---------- - Max. superheater metal temperature at during start-up, 0 C ---------- - Max. drum metal differential temperature during pressure raising, 0 C ---------- - Max. rate of decrease in saturation temperature, 0 C ---------- - Max. water temperature before draining HRSG, 0 C ---------- - Max. superheater steam pressure, bar ---------- - Max. superheater steam temp., 0 C ---------- - Min. load for superheater spray, % ---------- - Max. casing design pressure, mm Aq. ---------- 3.4 Evaporator Section - Manufacturer, country ---------- - Heating surface, m 2 ---------- - Heat absorbing rate, kj/m 2 /hr ---------- - Method of joining long tubes ---------- - Method of fixing tubes to header or or drum ---------- - Tube outside diameter, mm ---------- - thickness, mm ---------- - Tube pitching, mm ---------- - Casing thickness, mm ---------- 3.5 Drum - Manufacturer, country - Construction
17 - Internal diameter, mm - Thickness, mm Length, mm Steam purifier, Manufacturer, country Type - Design pressure, bar Operating pressure, bar 3.6 Safety Valve - Manufacturer, country 1) for Drum - Type Number Size of valve, mm Capacity, kg/hr Design lifting pressure, bar 2) for superheater - Type Number Size of valve, mm Capacity, kg/hr Design lifting pressure, bar -Details of assessment of safety valve capacity, Ref. No. 3.7 Superheater - Manufacturer, Country - Type - Design Pressure, bar - Heating Surface, m 2 - Tube outside diameter, mm - Tube thickness, mm - Length, mm - Effective length per element, m - Method of arrangement - Number of elements
18 - Number of steam flow -Tube pitching -Max. design tube temp., 0 C -Tube class and finish -Method of fixing tubes to header -Type of tube support and material -Method of jointing long tube - Header Inlet Outlet Construction Inside diameter, mm Thickness, mm Material Particular of terminal point, Ref. No. 3.8 Superheater Steam Temperature Control Equipment - Description of Control equipment -- Control range -- 1) In case of surface or condenser type -- -Heating surface of cooling tube, m 2 -- -Outside diameter of cooling tubes, mm -- Thickness of cooling tubes, mm -- Diameter of shell inside, mm -- Thickness of shell, mm -- Type of joint -- Temperature of cooling water, 0 C -- 2) In case of spray type - Nozzle diameter, mm -- Diameter of sleeve, mm -- Length of sleeve, mm -- Water pressure of inlet, bar -- - Water temperature at inlet, 0 C -- - Maximum quantity of spray water, kg/hr -- 3.9 Economiser - Manufacturer, Country -- - Type --
19 - Design Pressure, bar - Heating Surface, m 2 - Tube outside diameter, mm - Tube thickness, mm - Tube Length, m -Tube arrangement -Tube pitching, mm - Tube class and finish Method of fixing tubes to header Type of tube support and material Header Outside diameter, mm Thickness, mm 3.10 Auxiliary Pumps (1) Circulating pump (Evaporator) - Manufacturer, Country - Type - Discharge flow, kg/sec - Speed, rpm - Power required, KW Material of Casing Impeller Shaft - Type of motor (2) Circulating pump (Economiser) - Manufacturer, Country - Type - Discharge flow, kg/sec - Speed, rpm - Power required, KW Material of Casing Impeller Shaft
20 - Type of motor -- (3) Others (if any), Tenderers should use additional sheet 3.11 Weights - Total steam generator (dry), kg -- - Total steam generator (operational), kg -- - Evaporator section, (dry), kg -- Superheater section (dry), kg -- Economiser section (dry), kg -- Casing, kg -- Supporting steel works, kg -- Flues and ducts, kg -- Soot blower, kg -- Instrument and control, kg -- Galleries and ladders, kg -- Insulation and lagging, kg -- Drum, kg -- 3.12 Materials - Drum -- - Drum plates, shell -- - Evaporator tube -- - Evaporator header -- - Superheater tube -- - Economiser tube -- - Soot blower supply piping -- - Insulation and lagging -- 3.13 Other information - Statement of min. load and duration, Ref. No. ----------- - Statement of min. time for start-up, Ref. No. ----------- - After 8 hours shut down ----------- - After 48 hours shut down ----------- - From cold condition ----------- (Note Information shall be furnished in graphic form showing gas entering temperature, steam temperature and steam pressure vs. time) - Statement of drum metal temperature and metal differential temperature during
21 start-up and shut-down. Ref. No. --------- --- - Statement of permissible forced cooling rates and any limitations Ref. No. -------- - Performance curves showing superheater temperature from min. load up to MCR Ref. No. --------- B-4 Steam Turbine and Ancillary Equipment 4.1 Steam Turbine -Type of steam turbine -------------- -Model Number -------------- -Manufacturer of steam turbine, Country -------------- - Rating at generator terminal, MW -------------- - Minimum safe continuous load, MW -------------- - Overload rating -------------- - Maximum load at 48 Hz for up to 30 min. duration -------------- - Speed, rpm -------------- - Steam Condition -------------- Temp. at turbine stop valve, 0 C -------------- Pressure at turbine stop valve, bar -------------- Design temp. at exhaust, 0 C -------------- Design vacuum press. at exhaust, mmhg -------------- - Number of bleed points -------------- - Number of exhaust -------------- - Guaranteed heat rate at rated output, kj/kwh --------- - Expected heat rate at max. expected capability, kj/kwh -------------- - Expected heat rate under turbine overload condition, kj/kwh -------------- - Type of governing, throttle or -------------- nozzle control system - Size (mm) and number of main steam inlet coections -------------- - Size (mm) and number of exhaust connections --------------
22 - Critical speed above 3000 rpm ----------- - Critical speed below 3000 rpm ----------- - Distance between bearing centres, mm ----------- - Max. steam pressure in wheel case at MCR, bar ----------- - Velocity compounded stage Mean diameter of moving blades, mm ----------- Clear height of 1 st moving blades, mm ----------- - Impulse stages Number of stages ----------- Mean diameter of 1 st moving blades, mm ----------- Clear height of 1 st moving blades, mm ----------- Mean diameter of last moving blades, mm ----------- Clear height of last moving blades, mm ----------- - Reaction stages Number of flows ----------- Number of stages per flows ----------- Mean diameter of 1 st moving blades, mm ----------- Clear height of 1 st moving blades, mm ----------- Mean diameter of last moving blades, mm ----------- Clear height of last moving blades, mm ----------- - Total actual annulus area last stage blades, m 2 ----------- - Minimum running clearance of blades or shrouding Radial clearance, mm ----------- Axial clearance, mm ----------- - Casing bursting diaphragm press, bar ----------- - Number of built-up diaphragm, ----------- - Speed at which turning gear rotates rotor, rpm ----------- - Number of branches required on auxiliary steam manifold and for what purpose ----------- - Description of blade protection from erosion, Ref. No.------ - Description of method of testing of blade harmonics, Ref. No. ----------- - Description of turbine pre-warming and start-up cycle, Ref. No. ----------- - Description of method of bolting casing halves, supporting individual casing,
23 provision to accommodate expansion and means of equalising differential expansion, Ref. No. --------- - Description of thermal treatment for turbine casings, Ref. No. ----------- - Description of thermocouples in turbine casing, Ref. No. ----------- - Maximum allowable loads on turbine casing At steam inlet, kg ----------- kg-m ----------- At extraction points, kg ----------- kg-m ----------- At exhaust, kg ----------- kg-m ----------- -Moment of Inertia, GD 2 of Rotor, (kg-m 2 ) ----------- - Type of thrust block ----------- - Description of on load testing of steam valve, Ref. No. ----------- - Description of start-up following on outage of few minutes, 8 hours and 48 hours, Ref. No. ----------- - Description of gland sealing arrangement, Ref. No. ----------- - Description of vacuum unloading and trip gear, Ref. No. ----------- - Description of low pressure unloading and trip gear, Ref. No. ----------- - Scheme for turbine drainage and automatic traps, Ref. No. ----------- - Material of construction for major components, Ref. No. ----------- 4.2 Speed Governing System - Type --------------- - Model Number --------------- - Manufacture, country --------------- - Steady state speed regulation, % --------------- - Max. dead band at rated speed, % --------------- - Speed changer synchronising, % --------------- - Speed changer governing range, % ---------------
24 - Range of speed droop, % --------------- - Permanent speed after full load has been rejected, rpm --------------- - Max. momentary speed after full load has been rejected, rpm --------------- - Turbine speed at which emergency governor operates, rpm (%) --------------- - Acceleration time, sec --------------- - Description of automatic turbine start-up system, Ref. No. --------------- 4.3 Lubricating Oil system (1) Main oil pump - Type --------------- - Manufacturer, Country --------------- - Driven by --------------- - Capacity of pump, lit/min --------------- - Lube oil pressure, bar ---------------(2) Auxiliary oil pump (full duty) - Type --------------- - Model No. --------------- - Manufacturer, Country --------------- - Speed of pump --------------- - Capacity of pump, lit/min --------------- - Pressure at which pump cuts in, bar --------------- - Brake horsepower, kw --------------- - Material of construction for major components, Ref. No. ---------------- - Complete description of operation ---------------- including performance curves of capacity vs suction pressure, Ref. No. (3)Ac motor driven flushing oil pump - Type ---------------- - Model No. ---------------- - Manufacturer, Country ---------------- - Speed of pump ---------------- - Capacity of pump, lit/min ---------------- - Pressure at which pump cuts in, bar ----------------
25 - Brake horsepower, kw --------------- - Material of construction for major --------------- components, Ref. No. - Complete description of operation --------------- including performance curves of capacity vs suction pressure, Ref. No. (4) DC motor driven flushing oil pump - Type --------------- - Model No. --------------- - Manufacturer, Country --------------- - Speed of pump --------------- - Capacity of pump, lit/min --------------- - Pressure at which pump cuts in, bar --------------- - Brake horsepower, kw --------------- - Material of construction for major --------------- components, Ref. No. - Complete description of operation --------------- including performance curves of capacity vs suction pressure, Ref. No. (5) AC & DC (back-up) motor driven jacking oil pump - Type --------------- - Model No. --------------- - Manufacturer, Country --------------- - Speed of pump --------------- - Capacity of pump, lit/min --------------- - Pressure at which pump cuts in, bar --------------- - Brake horsepower, kw --------------- - Material of construction for major --------------- components, Ref. No. - Complete description of operation --------------- including performance curves of capacity vs suction pressure, Ref. No. (6) Oil coolers - Manufacturer, country --------------- - Type --------------- - Effective surface, m 2 --------------- - Gross surface, m 2 ---------------
26 - Number of flows ---------------- - Number of tubes ---------------- - Internal diameter of tubes, mm ---------------- - Gauge of tubes material ---------------- - Tubes material ---------------- - Straight length of 'U', mm ---------------- Internal dia. of heater, mm ---------------- Material of shell ---------------- Material of water box ---------------- Heat transfer rate, kj/m 2 /hr ---------------- Mean temperature difference, 0 C ---------------- Duty, kj/hr ---------------- Circulating water flow rate, lit/hr ---------------- Oil flow rate, lit/hr ---------------- Inlet circulating water temperature, 0 C ---------------- - Outlet circulating water temperature, 0 C ---------------- Inlet oil temperature, 0 C Outlet oil temperature, 0 C ---------------- - Pressure drop, bar water-- oil ----- - Overall length, mm ---------------- (7) Start-up procedures with respect to oil temperature, Ref. No. ---------------- (8) Treatment to avoid acid attack on lubricating oil tank interior, pedestals oil wells, etc., Ref. No., ------------- (9) Complete description of oil purifier, Ref. No. ---------------- 4.4 Condenser and Auxiliaries (1) Condenser - Erected weight - Empty, kg ---------------- - Operating, kg ---------------- - Steam & water spaces flooded, kg ---------------- - Max. depth of hot-well, high water ---------------- level to top of condensate outlet, mm - Condenser duty, kj/hr ----------------
27 - Total effective surface, m 2 ---------------- - Circulating water required ---------------- - Circulating water velocity through tubes at design inlet temp. and flow, m/sec ---------------- - Max. permissible water pressure, bar ---------------- - Tube cleaning factor, % ---------------- - Heat transfer rate, kj/m 2 /hr ---------------- - Design circulating water temp., 0 C ---------------- - Condensate temperature leaving hot-well ( normal cir. water flow), 0 C ---------------- - Max. free oxygen in condensate leaving hot-well, cc/lit. ---------------- - Terminal temp. difference, 0 C ---------------- - Hot-well capacity, litre ---------------- - Hot-well storage, ---------------- - Temperature of gas vapour mixture leaving condenser, 0 C ---------------- - Condenser vacuum 100% 75% 50% 25% duty and 30 0 C inlet water, mm Hg ---------------- 100% 75% 50% 25% duty and 35 0 C inlet water, mm Hg ---------------- 100% 75% 50% 25% duty and 40 0 C inlet water, mm Hg ---------------- - Absolute pressure at turbine exhaust, mm Hg ---------------- - Circulating water friction loss between inlet and outlet flanges Tubes, m ---------------- Water boxes, m ---------------- Total, m ---------------- - Circulating water friction loss at inlet, m ---------------- - Circulating water friction loss at outlet, m ---------------- - Total number of tubes ---------------- - Effective tube length, m ----------------
28 - Tube materials - Tube O D and thickness, mm ---------------- - Tube sheet materials ---------------- - Tube sheet thickness, mm ---------------- - Shell material ---------------- - Shell thickness, mm ---------------- - Hot-well material ---------------- - Hot-well thickness, mm ---------------- - Water box material ---------------- - Water box thickness, mm ---------------- - Number of tube support plates --------------- - Tube support plate material ---------------- - Tube support plate thickness, mm ---------------- - Internal bolts, nuts and studs ---------------- - Circulating water inlet and outlet connections Size, mm ---------------- Flange rating ---------------- - Describe method of compensating for differential thermal expansion between tubes and shells, Ref. No. ---------------- - Describe steam inlet hood expansion joint and state allowable axial and lateral displacement, Ref. No. ---------------- - Describe manholes on water boxes, Ref. No. ---------------- - Size of steam hood equalising line, mm ---------------- Describe cathodic protection provided, Ref. No. ---------------- Itemised list of all special wrenches and tools required for maintaining and servicing the proposed equipment, Ref. No. ---------------- - Description of condensate control system and method of operation, Ref. No. ---------------- - Description of automatic sequential condenser back washing facility, Ref. No. ---------------- - Description of on -load condenser tube cleaning system and method of operation, Ref. No. ----------- (2) Condensate pumps - Manufacturer, country ----------------
29 - Type ---------------- - Model No. ---------------- - Total 'dry' weight of an assembled unit (pump coupling & drive) on the foundation, kg ---------------- - Total weight 'full of water' of an assembled unit on the foundation, kg ---------------- Total pump weight ( less driver and coupling), kg ---------------- - Required hoisting clearance (hoisting hook to pump mounting flange) to remove pump and motor, m ---------------- - Number of stages ---------------- - Design capacity, lit./hr ---------------- - Design total dynamic head, m ---------------- - Pump shut-off head, m ---------------- - Rated speed, rpm ---------------- - Specific speed, rpm ---------------- - Efficiency at design conditions, % ---------------- - Rated power at design conditions, kw ---------------- - Discharge velocity at design flow, m/sec ---------------- - Design suction temperature, 0 C ---------------- - Max. permissible increase in pump design head and/or capacity from specified values without change in price Head, m ---------------- Capacity, lit./hr ---------------- - Min. required flow when operating at rated speed, lit./hr ---------------- - Sealing water required Flow, lit./hr ---------------- Pressure, bar ---------------- - Pump material Mounting flange ---------------- Motor support ---------------- Coupling ----------------
30 Casing ---------------- Impeller ---------------- Impeller wear rings ---------------- Casing wear rings ---------------- Impeller shaft bearings ---------------- Shaft guide bearings ---------------- Shaft guide bearings retainers ---------------- Impeller shaft ---------------- Drive shaft ---------------- Shaft materials at bearings and stuffing box ---------------- Shaft sleeves ---------------- Stuffing box ---------------- Stuffing box packing ---------------- - Type, manufacturer & country, description of thrust bearing including lubrication, Ref. No. ---------------- - State Max. thrust and describe at what operating condition it occurs, Ref. No. ---------------- (3) Condenser vacuum pump - Manufacturer, country - Type - Model No. - Pump speed, rpm - Brake horsepower, kw - Condenser evacuation time from 760 mmhg to 260 mmhg abs., min. to 110 mmhg abs., min. - Maintaining capacity at 110 mmhg abs. per pump, lit/hr - Rated capacity, lit/hr - operating weight, kg - Construction & material of construction for major components, Ref. No. - Specification of cooling water and seal water required Quantity, lit/hr Pressure, bar - Complete description of operation including
31 performance curves of capacity vs suction pressure, Ref. No. ---------------- - Quantity of free air handled, lit/hr ---------------- - Inlet air and vapour pressure at 0 0 C (mmhg abs.) ---------------- - Inlet air and vapour temp. 0 C ---------------- - Itemised list of all special wrenches and flaring tools required to maintain and service the furnished the equipment, Ref. No. ---------------- (4) Steam jet air ejector - Manufacturer, country --------------- - Number of stages --------------- - Nozzle diameter, mm --------------- - Initial steam pressure, bar --------------- - Initial steam temperature, 0 C --------------- - Steam consumption, kg/hr --------------- - Maintaining capacity at 110 mmhg abs. --------------- - Complete description of operation including performance curves of capacity vs suction pressure, Ref. No. --------------- - Rated capacity (free air), lit/hr --------------- - Quantity of free air handled, lit/hr --------------- - Inlet air and vapour pressure at 0 C (mmhg abs.) -------------- - Inlet air and vapour temperature, 0 C --------------- 4.5 De-aerator - Weight of de-aerator section, empty, kg --------------- - Storage tank, empty, kg --------------- - operating weight of unit completely assembled, kg -------------- - Flooded weight of unit completely assembled, kg --------------- - Shipping weight, kg --------------- - Heaviest piece to be handled during erection weight & name, kg --------------- - Heaviest piece to be handled during maintenance weight & name, kg --------------- - Describe internal vent condenser, stating materials, path of steam, water and non-
32 condensable gases; length, thickness and diameter of distributor; number and size of spray valves, Ref. No. ---------------- - Proposals for minimising dissolved oxygen levels during start-up, Ref. No. ---------------- - Describe internal steam distribution path, Ref. No. ---------------- - Describe internal water distribution path, Ref. No. ------------- - Tray removal and/or access doors Number ---------------- Size and materials ---------------- - Manholes Number ---------------- Size and materials ---------------- - Describe anti-vortex baffling, Ref. No. ---------------- - Storage tank active capacity, lit. ---------------- - Height of stored water level measured from tank contains above capacity, m ---------------- - Deaerator section Shell thickness, mm ---------------- Head thickness, mm ---------------- - Storage tank section Shell thickness, mm ---------------- Head thickness, mm ---------------- - Tray, size Number ---------------- Thickness, mm ---------------- - Materials Deaerator shell ---------------- Storage shell ---------------- Trays ---------------- Internal compartments ---------------- All other internal parts ---------------- Spray valves ---------------- Impingement baffles ---------------- Antivortex baffles ---------------- - Describe number, location, type of
33 manhole and access doors, Ref. No. ---------------- - List of special tools provided, Ref. No. ---------------- - Pressure drop from steam inlet nozzle to storage tank steam space above stored water at design conditions, bar ---------------- - Temperature of deaerator effluent at design conditions, 0 C ---------------- - Static pressure required at inlet to water distribution at design conditions, bar ---------------- - Max. steam quantity leaving deaerator vents at design conditions, kg/hr ---------------- - Pressure drop across condensate inlet valves at design conditions, bar ---------------- B-5 Generator and Ancillaries (for Steam Turbine) 5.1 Generator -Manufacturer, Country -Type -KVA rating / power factor 0.8 -Continuous Output at 110% of rated voltage -Max. leading & lagging KVAR capability at pf -Rated voltage between lines, KV -Connection of armature winding -Rated Current, A -Rated frequency, Hz -Efficiency at pf 0.8, % at pf 1.0, % -Stator overloading, % -Critical speed, rpm -Max. torque when the stator is short-circuited, Nm -Generator Characteristics Instantaneous Max. short-circuit current at nominal voltage, A peak sub-transient reactance, Xd pu transient reactance, Xd pu synchronous reactance, Xd pu
34 negative sequence reactance, pu zero sequence reactance, pu field time Constant, Td 0 sec Transient time Constant, Td sec initial time Constant, Td sec -Moment of inertia GD 2 of rotor, Kg-m 2 -percent rise on voltage when full load is rejected and operating at pf 0.8, % pf 1.0, % -Telephone influence factor Balanced Residual - -Class of winding insulation Armature winding Field winding -Type of cooling -Short circuit ratio, (sat.) -Generator rated excitation requirements for operation at rated kva Excitation voltage, V ------- Excitation current, A ------- - Generator calculated losses at 100% Base rating Total generator iron loss, kw -------- Generator stator I 2 R loss, kw -------- Generator rotor I 2 R loss, kw -------- Generator stray load loss, kw -------- Generator windage loss, kw -------- Total generator loss, kw -------- -Generator weights Weight of rotor, kg -------- Weight of complete stator, kg -------- 5.2 Exciter (Brushless or Static) - Manufacturer, Country -------- - Type -------- - Rated output, kw -------- -Rated load field voltage at 0.80 pf/1.00 pf -------- -Rated exciter current at 0.80 pf./l.00 pf -------- - Exiter ceiling voltage, V -------- -Maximum continuous exciter current, A -------- -Excitation system voltage response ratio -------- 5.3 Automatic Voltage Regulator -Manufacturer, Country --------
35 - Type -------- - Description of AVR, Ref. No. -------- 5.4 Generator Protection (Manufacturer Cat. No. or Type) Relay Manufacturer ------- -Generator differential relay -------- -Generator ground over-current relay -------- -Field / rotor ground detection system -------- -Reverse power relay -------- -Loss of field relay -------- -Voltage restraint over-current relays -------- -Negative phase sequence relay -------- -Under/Over Frequency relay -------- - Synchro-Check Relay -------- - Auxiliary relays -------- -Lockout relays -------- 5.5 Generator Switchgear -Manufacturer, Country -------- -Circuit breaker Interrupting Media SF 6 Catalogue No. -------- Type -------- Closing current at 125 volts DC, A -------- Time to close, m sec -------- Tripping current at 125 volts DC, A -------- Time to trip, m sec -------- - Rating and capabilities Current rating, A -------- Voltage rating, V -------- Nominal 3 phase interrupting capacity, MVA -------- Maximum symmetrical interrupting capacity, ka -------- 3 second short time rating, ka -------- Closing and latching capability, ka -------- - Operating Mechanism ------- -Instruments and devices Manufacturer Type Current transformers Single ratio -------- Multi ratio -------- Potential transformers -------- Control and instrument switches -------- Indicating lights -------- -Lightning arresters -------- -Surge protection devices -------- -Type of bus insulation -------- -Type of bus supports -------- -Type of insulation on connections -------- -Size of completely assembled switchgear Length, mm -------- Width, mm -------- Height, mm -------- - Total weight of switchgear, kg -------- B-6 Mechanical Auxiliary Equipment
36 6.1 HRSG Feed Water Pump (1) Feed Pump - Manufacturer, country ---------- - Type ---------- - Model Number ---------- - Number of stages ---------- - Running speed, rpm ---------- - Critical speed, rpm ---------- - Pump capacity at design conditions, kg/hr --------- - Max. leak-off quantity, lit/hr ---------- - Pressure at pump discharge, bar ---------- - Pressure at outlet of non-return valve, bar ---------- - Min. NPSH, m ---------- - Bore of suction branch, mm ---------- - Bore of discharge branch, mm ---------- Type of branches, mm ---------- Min. diametrical clearance at specified temp., mm ---------- Type of coupling ---------- Pump automatic cut-in pressure, bar ---------- Min. load pump can operate, % of MCR ---------- (2) Feed Pump Motor - Manufacturer, country ---------- Type ---------- Model No. ---------- Frame size ---------- Speed at rated output, rpm ---------- Rated output, KW ---------- Nominal supply voltage, KV ---------- Frequency, Hz ---------- Full load currency, A ---------- Power factor at full load ---------- Class of insulation ---------- Quantity of cooling water required, lit/hr ---------- Max. temperature rise, 0 C ---------- Enclosure ---------- Type of bearings ---------- Full load torque, kg-m ---------- Starting torque in percent of full load torque, % ---------- Max. torque in percent of full load torque, % ---------- (3) Weight - Weight of pump shaft and impellers, kg ---------- Weight of pump complete, kg ---------- Weight of motor stator, kg ---------- Weight of motor rotor, kg ---------- - Weight of bedplate, kg ---------- (4) Materials - Pump casing ---------- - Pump shaft ---------- - Impellers ---------- - Guide vanes ---------- - Shaft sleeves ---------- - Wearing rings ---------- - Balance disc ----------
37 - Balance disc wearing plate ---------- - Grand packing ---------- 6.2 Circulating Water System (1) Circulating water pump - Manufacturer, country ---------- - Type ---------- - Model Number ---------- - Number of stages ---------- - Running speed, rpm ---------- - Critical speed, rpm ---------- - Pump capacity at design conditions, kg/hr ---------- - Pressure at pump discharge, bar ---------- - Bore of suction branch, mm ---------- - Bore of discharge branch, mm ---------- ---Min. diametrical clearance at specified temp., mm ---------- Type of coupling ---------- Type of thrust bearing ---------- - Distance between centre line of impeller and lowest water level, m ---------- - CW pump suction head loss, m ---------- (2) CW Pump Motor - Manufacturer, country ---------- Type ---------- Model No. ---------- Frame size ---------- Speed at rated output, rpm ---------- Rated output, KW ---------- Nominal supply voltage, KV ---------- Frequency, Hz ---------- Full load currency, A ---------- Power factor at full load ---------- Class of insulation ---------- Quantity of cooling water required, lit/hr ---------- Max. temperature rise, 0 C ---------- Enclosure ---------- Type of bearings ---------- Full load torque, kg-m ---------- Starting torque in percent of full load torque, % ---------- Max. torque in percent of full load torque, % ---------- - Overload capacity, % ---------- - Provision of anti-condensation heater ---------- - Provision of winding temperature indicators ---------- (3) Discharge Valve -Manufacturer, country ---------- - Type ---------- - Model No. ---------- - Bore, mm ---------- - Design pressure, bar ---------- - Test pressure, bar ---------- - Max. flow, lit/hr ----------
38 - Normal flow, lit/hr --------- - Opening time, sec --------- - Closing time, sec --------- - Valve actuation --------- (4) Reversing Valve -Manufacturer, country --------- - Type --------- - Bore, mm --------- - Model No. --------- - Design pressure, bar --------- - Test pressure, bar --------- - Max. flow, lit/hr --------- - Normal flow, lit/hr --------- - Reversing time, sec --------- - Valve actuation --------- (5) Cathodic Protection Equipment -Manufacturer, country --------- - Type --------- - Model No. - Nominal supply voltage, v --------- - Nominal supply frequency, Hz --------- - Nominal supply phase --------- Number of anodes --------- Material of anodes --------- - Max. anode current, A --------- (6) Pipework - Manufacturer, country ---------- Bore, mm ---------- Material ---------- Design pressure, bar ---------- Test pressure, bar ---------- Wall thickness, mm ---------- Details of lining, Ref. No. ---------- (7) Weight - Weight of pump & column pipe, kg ---------- Weight of pump complete, kg ---------- Weight of motor, kg ---------- Max. dynamic load on foundation, kg ---------- - Max. load on crane hook, kg ---------- (8) Materials - C W pump ---------- Suction of bellmouth ---------- Casing ball ---------- Diffuser ---------- Impellers ---------- Pump shaft ---------- Shaft sleeves ---------- Delivery bend ---------- Foundation ring ---------- Stuffing box packing ----------
39 - Discharge pipework -------- - Venting pipework -------- 6.3 Compressed Air Equipment (1) Air Compressor - Manufacturer, country -------- - Type -------- - Capacity, lit/hr -------- - Discharge pressure, bar -------- - Speed, rpm -------- - Efficiency at rated output, % -------- - Power required, kw -------- - Description of compressor (main components), Ref. No. -------- - Weight, kg -------- (2) Compressor Motor - Manufacturer, country -------- - Type -------- - Voltage, KV -------- - Speed at rated output, rpm -------- - Rating, KW -------- - Max. starting current as percentage of full load, % -------- - Efficiency, % -------- - Class of insulation -------- - Weight, kg -------- (3) Inlet Air Filter - Manufacturer, country -------- - Type -------- - Size -------- - Description, Ref. No. -------- (4) Moisture Separator - Manufacturer, country -------- - Type -------- - Size -------- - Capacity -------- (5) Automatic Drain Trip - Manufacturer, country -------- - Type -------- - Size -------- - Capacity -------- (6) Air Receiver - Manufacturer, country -------- - Capacity, lit -------- - Dimension, mm -------- - Thickness of shell plate, mm -------- - Type of construction -------- - Design pressure, bar -------- - Weright, kg -------- - Safety valve setting pressure, bar --------
40 B-7 132 kv Switchgear, Equipment (Steam Turbine Unit) 7.1 132 kv Circuit Breaker - Manufacturer, Country -------- - Type designation -------- - Number of poles -------- - Rated voltage, KV -------- - Maximum design voltage -Minimum voltage for rated interrupting capacity, KV -------- - Rated continuous current, A -------- - Rated frequency, Hz -------- - Rated insulation level Impulse withstand voltage, kv-peak -------- -Power frequency withstand voltage (1 mm.), KV -------- -Rated interrupting capacity, MVA -------- - Maximum interrupting current, ka -------- - Rated momentary current -------- - Rated duration of short-circuit, sec -------- - Rated making current, ka-peak -------- -Operating duty -------- - Operating time, m sec. -------- -Rated interrupting time, m sec -------- -Closing time, m sec -------- -Opening time, m sec. -------- -Minimum dead time, m sec. -------- -Reclosing time, m sec. -------- -First-pole-to clear factor At 100% breaking capacity -------- At 10% breaking capacity -------- -Out of phase breaking current At 2.0 times rated voltage, KA -------- At 2.5 times rated voltage, KA -------- -Creepage distance of the insulator, mm -------- -Weight of complete circuit breaker, Kg -------- -Type of operating mechanism -------- -Outline drawings, No -------- -Standard specifications to which the circuit breaker shall conform -------- -Attached type test report, No -------- 7.2 132 kv Current Transformer - Manufacturer, Country -------- - Type designation -------- - Rated voltage, KV -------- - Maximum design voltage, KV - Rated Primary Current, A -------- - Rated Secondary current, A -------- - Rated frequency, Hz -------- - Rated insulation level Impulse withstand voltage, kv-peak -------- - Power frequency withstand voltage (1 mm.), KV -------- - Number of cores --------
41 For metering service -------- For relaying service -------- - Accuracy Class -------- For metering service -------- For relaying service -------- - Rated Burden -------- For metering service, VA -------- For relaying service, VA -------- - Rated continuous thermal current, % - Short-time current rating,(1 sec), KA -------- - Creepage distance of insulator, mm -------- - Weight of single phase unit, Kg -Out line drawing, No -------- -Standard specification to which the CT shall conform -------- -Attached type test report, No -------- 7.3 132 KV Voltage Transformer - Manufacturer, Country -------- - Type designation -------- - Rated voltage, KV -------- - Maximum design voltage, KV -------- - Rated Primary Voltage, KV -------- - Rated Secondary Voltage, V -------- - Rated Tertiary Voltage, V -------- - Rated frequency, Hz -------- - Rated insulation level Impulse withstand voltage, kv-peak -------- - Power frequency withstand voltage (1 mm.), KV -------- - Number of cores -------- For metering service -------- For relaying service -------- - Accuracy Class -------- For metering service -------- For relaying service -------- - Rated Burden -------- For metering service, VA -------- For relaying service, VA -------- - Rated continuous thermal current, % -------- - Short-time current rating,(1 sec), KA -------- - Creepage distance of insulator, mm -------- - Weight of single phase unit, Kg -------- - Out line drawing, No -------- - Standard specification to which the PT shall conform ----- - Attached type test report, No -------- 7.4 132 KV Lightning Arrester - Manufacturer, Country -------- - Type designation -------- - Rated voltage, KV -------- - Discharge Class -------- - Maximum design voltage, KV -------- - Rated frequency, Hz --------
42 - Rated discharge current, KA -------- - Min. power frequency spark-over voltage -------- - Impulse protective level - Max. spark-over voltage for a standard full wave, KV peak -------- - Max. front wave impulse spark-over voltage, KV peak -------- - Max. discharge voltage at the rated discharge current, KV peak -------- - Creepage distance of insulator, mm -------- - Weight of single phase unit, Kg -------- - Type of operating counter -------- - Out line drawing, No -------- - Standard specification to which the LA shall conform -------- - Attached type test report, No -------- 7.5 132 KV Isolators - Manufacturer, Country -------- - Type -------- - Rated voltage, KV -------- - Rated normal current, A -------- - Rated short time withstand duration, 1 sec., KA -------- 3 sec., KA -------- Dynamic peak, KA -------- - Impulse withstand voltage Across the isolating distance, KV peak -------- To earth and between poles, KV peak -------- - Power Frequency withstand voltage, 1 min. Across the isolating distance, KV -------- To earth and between poles, KV -------- - Operating mechanism -------- - Number of auxiliary contacts -------- - Method of interlocking -------- - Creepage distance of insulators -------- - Weight of complete Isolator -------- - Out line drawing, No -------- - Standard specification to which the Isolator shall conform -------- -Attached type test report, No -------- 7.6 Steel Structure - Manufacturer, Country -------- - Standard specifications to which the -------- steel structure shall conform -Type -------- -Minimum thickness of members -------- - Outline drawings -------- 7.7 Busbar and Connectors - Manufacturer, Country --------
43 - Standard specifications to which the busbar and connectors shall conform -------- -Type of busbar -------- - Characteristics of bus conductor Material -------- Nominal sectional area -------- Construction of conductor -------- Calculated sectional area -------- - Ultimate minimum breaking strength, kg -------- - Outside diameter, mm -------- - Standard unit weight, kg/ m -------- - Calculated resistance at 20 0 C, ohm / Km -------- - Outline drawing of conductor, No. -------- - Outline drawing of connection, Nos -------- 7.8 Post Insulator - Manufacturer, Country -------- - Number of units in complete post insulator -------- - Diameter (max.), mm -------- - Length of each unit, mm -------- - Weight of complete post insulator, Kg -------- - Creepage distance, mm -------- - Min. Power frequency (dry) flash-over voltage, KV -------- - 50% lightning impulse (+ve), KV -------- - 50% lightning impulse (-ve), KV -------- - Max. vertical working load Tension, Kg -------- Compression, Kg -------- - Mechanical routine test load (tension), Kg -------- - Mechanical type test load (tension), Kg -------- - Vertical breaking load (tension), Kg -------- - Max. torsional working load, Kg-m -------- - Max. cantilever working load (complete post insulator), Kg -------- - Min. cantilever breaking load upright (complete post insulator), Kg -------- - Outline drawings -------- - Standard specification to which the Post Insulator shall conform -------- 7.9 Suspension Insulator Assembly - Manufacturer, Country -------- - Type -------- - Insulator materials - Characteristics of disc element Diameter Diameter, mm -------- Unit spacing, mm -------- Creepage distance, mm -------- Electro-mechanical failing load, Kg -------- Mechanical routine test load, Kg -------- Min. Power frequency flash-over voltage