RURAL POWER COMPANY LIMITED TENDER DOCUMENT

Transcription

1 RURAL POWER COMPANY LIMITED TENDER DOCUMENT FOR ENGINEERING,DESIGN, MANUFACTURING, INSPECTION, SUPPLY, TRANSPORTATION, CONSTRUCTION, ERECTION, INSTALLATION, TESTING AND COMMISSIONING OF MYMENSINGH 360 MW DUAL FUEL (GAS/HSD) COMBINED CYCLE POWER PLANT PROJECT ON TURNKEY BASIS. VOLUME 2 OF 2, PART B TECHNICAL PARTICULARS [Schedules & Data Sheets] REF PUR 020(FW/MYMENSINGH 360 MW/OTM)/ DATE JANUARY

2 1. Schedule Name Page Number Schedule-A Guarantees 1 Schedule-B Technical Data Sheet 5 Schedule-C Drawings to be furnished with Contract 112 Schedule-D Delivery time 117 Schedule-E Tools and Appliances 118 Schedule-F Spare Parts 121 Schedule-G Deviation 123 Schedule-H Civil and Building Works 124 Schedule-I List of Subcontractor 126 Schedule-J Description of Training Program 127 Schedule-K Schedule-L Mobilization and demobilization Schedule for Construction Equipment Method of Transportation and Unloading of heavy Cargo

3 Schedule-A Guarantees 1. Gas Turbine Generator Guarantees (Simple Cycle) The guaranteed performance of the Gas Turbine generating unit at site condition (35 0 C, bar, 98% Relative Humidity) and generator power factor of 0.80 shall be as follows Base Load Natural Gas Net Power Output, KW Net Heat Rate (LHV of fuel), 100% load 75% load 50% load At Ambient Air Temp C KJ/Kwh Base Load HSD Net Power Output, KW Net Heat Rate (LHV of fuel), 100% load 75% load 50% load At Ambient Air Temp C KJ/Kwh i) Net Power Output Net Power Output shall mean the Gas Turbine Generator(s) power output measured at the high voltage side of step up transformer (Delivery point as per PPA). The Simple cycle net Power output shall be 65% of Combined Cycle Net Power Output (Variation of ±5% will be allowed). ii) Simple Cycle Net Heat Rate Simple Cycle Net heat rate shall mean the heat equivalent of the fuel consumed by the gas turbine unit per unit time based upon the Lower Calorific Value, divided by the Simple Cycle net power output as defined above. The Net Heat rate of GTG unit shall be 150% of Combined Cycle Net Heat rate (Variation of ±5% will be allowed). iii) Fuel In so far as these performance guarantees are affected, the fuel shall be in accordance with or better than the analysis given in the Technical Specification, Annexure-1 Page 1

4 iv) Performance Correction Curves The following curves, which are necessary for correcting Power Output, Heat Rate and Turbine Inlet/Outlet Temperature from the test ambient condition to the guarantee reference condition, shall be furnished with the Contract. - Variation in barometric pressure - Variation in ambient temperature - Variation of generator efficiency with Power Factor 2. Combined Cycle Guarantees The guaranteed performance of the complete Combined Cycle Power Plant at Site condition (35 0 C, 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), 100% load 75% load 50% load At Ambient Air Temp C KJ/Kwh MCR Load HSD Net Power Output, KW Net Heat Rate (LHV of fuel), 100% load 75% load 50% load At Ambient Air Temp C KJ/Kwh i) Net Power Output Net power output shall mean the power output produced by Gas Turbine Generator and Steam Turbine generator Combined Cycle mode measured at the high voltage side of step up transformer (Delivery point as per PPA). 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. Page 2

5 iii) Cooling Water Temperature Cooling water Temperature from Hybrid cooling tower at inlet of Steam Turbine Condenser and auxiliary cooling water Coolers shall be less than 38 0 C at site condition (35 0 C, bar, 98% R.H). However, the net output of complete Combined Cycle Power Plant 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. iv) Starting and Loading Time The Steam Turbine 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 200 Minutes) Warm Start (after 8 hrs. shut down period) hr min (max 120 Minutes) The Steam Turbine loading time up to MCR counting from Synchronization min, to be guaranteed. Start-up and loading diagram of Combined Cycle up to MCR for each cold and warm start for the following case 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 Gas Turbine unit (Simple Cycle) days Gas Turbine and Steam Turbine unit (Combined Cycle) days 4. Data at the Site Condition (35 0 C, bar, 98% RH) a) Simple cycle Power output, measured at Generator terminal kw, at GT Base load kw, at GT Peak load Page 3

6 b) Total Auxiliary consumption (for Simple cycle Power output at GT Base load condition) kw c) Combined cycle Power output at MCR, Measured at Generator terminal kw d) Total Auxiliary consumption (for Combined Cycle Power output at MCR condition) kw Page 4

7 SCHEDULE-B TECHNICAL DATA SHEET B-1 Gas Turbine and Ancillaries 1.1 General Information -Type of Gas turbine Model Number Manufacturer of gas turbine, Country Min. heat value of gas required, KJ/Nm Normal gas pressure required, bar Number, type and arrangement of Combustion chambers, fuel nozzles, Flame detectors, etc Number of compressor stages Compressor pressure ratio Number of power turbine stages Number and type of bearings Starting system Type of GT control system Description of Speed governing system and fuel control system Description of over-speed trip system Compressor cleaning method Gas consumption (Max. Nm 3 /hr) With integration (Totalizer flow meter) -Description of cooling system Auxiliary power consumption, KW Moment of Inertia, GD 2 of Rotor, (kg-m 2 ) Performance Data at the Site Condition (35 0 C, bar, 98% RH) -Gross output at Site condition Natural Gas/HSD Base Load, KW Peak Load, KW Gross Heat Rate at Site Condition (on the basis of Generator terminal output and fuel gas LHV) Page 5

8 At Base Load, KJ/Kwh At Peak Load, KJ/Kwh Guaranteed rate of unit load change is Capable without structural damage, KW/min Noise at a distance of 100 meters (db) (in each octave band, see section 2, Vol. 2) -Critical speed above and below rated speed Turbine/Compressor Rotor, rpm Generator, rpm Fuel -Gas Turbine Base Natural Gas/HSD Peak Inlet Temp. 0 C Exhaust Temp. 0 C Air flow, Kg/sec Turbine Cooling air flow, % Exhaust gas flow, Kg/sec Exhaust Temp. of gas burning, 0 C Max. Exhaust Temp. limit of gas burning, 0 C Max. starting time required from standstill to full speed, min -Max. vibration limit, mm/sec Min. time required for applying full load to unit, From cold standby, min From warm shutdown, min Estimated firing hours at or below Base rating of gas burning, between Minor inspection, hours Normal inspection, hours Major overhauls, hours Estimated firing hours at Peak rating of gas burning, between Minor inspection, hours - Normal inspection, hours - Major overhauls, hours Page 6

9 -Estimated shutdown period, hours and Man-hours for Minor inspection -----hours-----man-hours--- Normal inspection -----hours-----man-hours--- Major overhauls -----hours-----man-hours a Estimated Performance under different Site conditions i) Power Rating at Gen. Terminal (For Natural Gas) ii) a. Ambient Temp C, KW b. Ambient Temp C, KW c. Ambient Temp C, KW d. Ambient Temp C, KW Power Rating at Gen. Terminal (For HSD) a. Ambient Temp C, KW b. Ambient Temp C, KW c. Ambient Temp C, KW d. Ambient Temp C, KW iii) Gross Heat Rate (Natural Gas ) 100% 90% 80% 70% 60% 50% 40% a. Ambient Air Temp.45 0 C, KJ/Kwh b. Ambient Air Temp.35 0 C, KJ/Kwh c. Ambient Air Temp.25 0 C, KJ/Kwh d. Ambient Air Temp.20 0 C, KJ/Kwh iv) Gross Heat Rate (HSD ) 100% 90% 80% 70% 60% 50% 40% a. Ambient Air Temp.45 0 C, KJ/Kwh b. Ambient Air Temp.35 0 C, KJ/Kwh c. Ambient Air Temp.25 0 C, KJ/Kwh d. Ambient Air Temp.20 0 C, KJ/Kwh Page 7

10 Base Peak v) Inlet and Exhaust Losses a. Ambient Air Temp.45 0 C Inlet loss, mm Aq Exhaust loss, mm Aq b. Ambient Air Temp.35 0 C Inlet loss, mm Aq Exhaust loss, mm Aq c. Ambient Air Temp.25 0 C Inlet loss, mm Aq Exhaust loss, mm Aq d. Ambient Air Temp.20 0 C Inlet loss, mm Aq Exhaust loss, mm Aq v) Consumption of Auxiliary Power Ambient Temp C, KW -- Ambient Temp C, KW -- Ambient Temp C, KW -- Ambient Temp C, KW -- Ambient Temp C, KW Materials -Compressor Moving blades --- Fixed blades --- -Combustion Chamber Liner --- -Transition piece --- -Turbine Moving blades Fixed nozzle Blades Coating Blade disc Shaft Page 8

11 1.4 Turning Gear -Intermittent or continuous rolling Speed, rpm Manual-Turning provided or not Normal Turning period after operation at Base & peak load, hours Lubrication Oil system -Main oil pump capacity, liter/min Aux. oil pump capacity, liter/min Emergency oil pump capacity, liter/min Total quantity of oil in system, liter Type of filter Degree of filtration, microns Manufacturer of filter, country Type of lubricant required Fuel System a. Liquid fuel system i) Fuel transfer skid -Make, country and Type of pumps Pump capacity (m 3 /h) Pump rating kw Pump Motor rating kw ii) Fuel forwarding skid -Make, country and Type of pumps Pump capacity (m 3 /h) Pump rating kw Pump Motor rating kw iii) Fuel filtering skid (duplex filter) -Make, country and Type of filter Degree of filtration iv) Atomizing air skid -Make, country and Type of compressor Compressor capacity (m 3 /h) Page 9

12 - Motor rating kw v) Main Fuel Tank capacity 5000 Tons each l (m) X D (m) X H(m) Total No. of main fuel tanks 3 at power plant site vi) Day Tank capacity 2000 Tons L (m) X D(m) X H(m) Total No. of Day tanks 1 at power plant site Vii) Fuel Tank Capacity 2000 Tons each--l (m) X D(m) X H(m) Total No. of Fuel tanks 2 at Shambuganj Railway Station Site (Above tanks includes loading-unloading pumps, flow measurement system with accessories, fire protection system and security system.) Fuel Forwarding Pumps - Required pipeline from Shambuganj station to plant site fuel tank (the tenderer shall specify the required length accordingly)---- Strainer - Filter - Valves - Piping associated with the above fuel tanks- Other miscellaneous equipment/materials - Necessary arrangements for fuel unloading system at plant site for Roadway (lorry) oil transportation - b. Gas Fuel System i) Normal operating pressure, bar Make, country and Type of filter Degree of filtration, microns Type of conditioner Make and Type of Flow meter Dimension of unit, mm Weight, Kg ii) Cyclone Separator Model, Make & Country ii) Gas RMS Make model and country - Regulation Devices Safety Devices Page 10

13 - Flow control device Dimension of unit, mm Weight, Kg Filters Measuring Equipment Auxiliary equipment (iii) Gas Booster Compressor (GBC) Model, Make & Country Compressor Type Make, Country Model Capacity Number of Compressor stages Suction Pressure Discharge Pressure Discharge Temperature Compressor Speed Compressor Motor Voltage/ Rating, kv/ KW - Motor Speed Power demand at rated output kw Drive motor rating kw Drive motor speed rpm Tenderers shall list the principal materials, and material Code -Type of lubrication Number and type of oil pumps Oil pump discharge pressure bar g Oil sump / storage / capacity Coolers Type Number Process fluid Flow kg/s Page 11

14 Temperature in C Temperature out C Air Intake system -Material of louvers Material of intake duct Intake duct surface treatment Type of air filter Primary Secondary (High efficiency filtration) Manufacturer of air filter, Country Material of filter medium Maximum intake velocity, m/s Maximum pressure loss, mm Aq Dust concentration at inlet, mg/m 3 Percentage of particles remaining at outlet, % 0 to 5 micron 5 to 10 micron 10 to 15 micron 15 to 20 micron -Type of silencer Material of sound absorber Manufacturer of silencer Amount of air required, m 3 /hr Exhaust System -Material of stack & Height Type (material, construction) -Gas path area at GT Exhaust, m 2 -Gas velocity (gas turbine Full Load) at GT Exhaust, m/s -Duct internal size (width by height) at HRSG entry, mm x mm -Design pressure, mbar a -Design metal temperature, C -Material -Surface treatment of stack plate Material of expansion joints Page 12

15 Material and thickness of liner Manufacturer of expansion joints Type of silencer Material of sound absorber Manufacturer of silencer Maximum pressure loss, mm Aq List of Turbine Trip Signal Ventilation Fan for Compartment Design pressure in each compartment, mm Aq -Number and location of ventilation fans Number and Type of air filters Fire Protection System -Number, Type and location of - fire detectors -Number and location of discharge - nozzles -Location of CO 2 gas cylinders -- -Number of CO 2 gas cylinders -- -Capacity of each cylinder, N/m3 -- -Filling pressure, bar - Pumps Weight and Dimension (L x W x H) Page 13

16 -Gas Turbine Package, 1000 Kg -- -Generator Package, 1000 Kg -- -Auxiliary Package, 1000 Kg -- -Control Package, 1000 Kg -- -Max. Shipping Weight, 1000 Kg -- -Max. Shipping Dimension (Name) --, mm Heaviest Piece during erection, 1000 Kg -- -Heaviest Piece during maintenance, 1000 Kg Page 14

17 B-2 Generator and Ancillaries GTG STG 2.1 Generator -Manufacturer, Country -- -Type -- -KVA rating / power factor 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 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 GD2 of rotor, Kg-m2 -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 Page 15

18 Armature winding Field winding -Type of cooling -Short circuit ratio, sat -Generator rated excitation requirements for Operation at rated kva Excitation voltage Excitation current - 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 cooling system Generator weights Weight of rotor, kg Weight of complete stator, kg Exciter GTG STG - Manufacturer, Country - Type - Rated output, kw -Rated load field voltage at 0.80 pf/1.00 pf -Rated exciter current at 0.80 pf. /1.00 pf - Exciter ceiling voltage, V Maximum continuous exciter current, A Excitation system voltage response ratio Page 16

19 2.3 Automatic Voltage Regulator GTG STG -Manufacturer, Country - Type - Description of AVR, Ref. No Generator Protection (Manufacturer Cat. No. or Type) GTG STG -Manufacturer ABB, Switzerland or Sweden/ Alstom, France/ Siemens, Germany -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 Page 17

20 2.5 Generator Switchgear GTG STG -Manufacturer, Country -Circuit breaker Catalogue No. Type Interrupting Media SF 6 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 second short time rating, ka Closing and latching capability, ka Operating Mechanism Instruments and devices (Manufacturer, Type) GTG STG 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 Page 18

21 - Total weight of switchgear, kg B-3 Heat Recovery Steam Generator and Ancillary Equipment 3.1 General -Type of HRSG [Vertical]/ [Horizontal] Model Number Manufacturer of HRSG, Country 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, C Feed Water temperature at Economizer inlet, 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 economizer section, mm Aq Gas leakage through bypass damper Heat absorbing rate Superheater section, kg/m 2 /hr Evaporator section, kg/m 2 /hr Economizer section, kg/m 2 /hr Gas Temperature Gas Turbine exhaust temp., C Superheater inlet, C Evaporator inlet, C Page 19

22 Economizer outlet, C Pinch point temperature, C Approach Temperature, C Gas Velocities Superheater section, m/sec Evaporator section, m/sec Economizer section, m/sec Exhaust gas temperature at HRSG outlet, C - Water temperature Entering economizer, C Leaving economizer, 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 economizer inlet, bar - Working pressure at economizer, bar (2) at Partial Load (Gas Turbine output at Site Condition) 100% 75% 50% 25% - Exhaust gas flow, kg/hr Exhaust gas temp., C Steam Output, kg/hr Superheater exit pressure, bar Superheater exit temp., C Feed Water temp. at economizer inlet, C - Pinch point temp., C Approach temp. C Gas Temperature Superheater inlet, C Evaporator inlet, C Page 20

23 Economizer outlet, C Operating Limit - Max. gas temperature at Superheater inlet during start-up, C Max. Superheater metal temperature at during start-up, C Max. drum metal differential temperature during pressure raising, C Max. rate of decrease in saturation temperature, C Max. water temperature before draining HRSG, C Max. Superheater steam pressure, bar Max. Superheater steam temp., 0C Min. load for Superheater spray, % Max. Casing design pressure, mm Aq Evaporator Section - Manufacturer, country Heating surface, m 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 - Tube thickness, mm - Tube pitching, mm - Casing thickness, mm Page 21

24 3.5 Drum - Manufacturer, country - Construction - 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 Superheater - Manufacturer, Country Page 22

25 - 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 - 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 Super-heater 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 Page 23

26 - 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 Economizer - Manufacturer, Country - Type - 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 3.10 Auxiliary Pumps Outside diameter, mm Thickness, mm (1) Circulating pump (Evaporator), if any - Manufacturer, Country - Type - Discharge flow, kg/sec - Speed, rpm - Power required, KW - Material of Casing Impeller Page 24

27 Shaft - Type of motor (2) Circulating pump (Economizer) - Manufacturer, Country - Type - Discharge flow, kg/sec - Speed, rpm - Power required, KW - Material of 3.11 Weights Casing Impeller Shaft - Type of motor (3) Others (if any), Tenderers should use additional sheet - Total steam generator (dry), kg - Total steam generator (operational), kg Evaporator section, (dry), kg Superheater section (dry), kg Economizer 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 Page 25

28 - Evaporator tube - Evaporator header - Superheater tube - Economizer 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 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 Page 26

29 - 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 stream inlet connections - Size (mm) and number of exhaust connections - Critical speed above 3000 rpm - Critical speed below 3000 rpm - Distance between bearing centers, mm Max. steam pressure in wheel case at MCR, bar - - Velocity compounded stage - Impulse stages Mean diameter of moving blades, mm -- Clear height of 1st moving blades, mm -- Number of stages Mean diameter of 1st moving blades, mm Clear height of 1st 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 1st moving blades, mm Page 27

30 Clear height of 1st 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 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, provision to Accommodate expansion and means of equalizing 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, GD2 of Rotor, (kg-m 2 ) Type of thrust block - Description of on load testing of steam Page 28

31 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 4.2 Speed Governing System components, Ref. No. - Type - Model Number - Manufacture, country - Steady state speed regulation, % - Max. Dead band at rated speed, % - Speed changer synchronizing, % - Speed changer governing range, % - 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 Page 29

32 - 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 - 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. Page 30

33 - 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 (6) Oil coolers including performance curves of capacity vs suction pressure, Ref. No. - Manufacturer, country Type Effective surface,m Gross surface,m 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 Page 31

34 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 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 Total effective surface, m Circulating water required Circulating water velocity through tubes at design inlet temp. And flow, m/sec Page 32

35 - 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, liter Hot-well storage, Temperature of gas vapors mixture leaving condenser, 0 C Condenser vacuum 100% 75% 50% 25% duty and 30 0 C inlet water, mm Hg % 75% 50% 25% duty and 35 0 C inlet water, mm Hg % 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 Tube materials - Tube O D and thickness, mm Tube sheet materials Tube sheet thickness, mm Page 33

36 - 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 equalizing line, mm Describe cathodic protection provided, Ref. No Itemized 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 Type Model No Total 'dry' weight of an assembled Page 34

37 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 Casing Impeller Impeller wear rings Casing wear rings Page 35

38 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 performance curves of capacity vs suction pressure, Ref. No Quantity of free air handled, lit/ hr Page 36

39 - Inlet air and vapors pressure at 00 C (mmhg abs.) Inlet air and vapors temp. 0 C Itemized 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 vapors pressure at 0 C (mmhg abs.) - Inlet air and vapors temperature, 0 C 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-condensable Gases; length, thickness and diameter of distributor; Page 37

40 Number and size of spray valves, Ref. No Proposals for minimizing 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 - Manholes Number Size and materials 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 - Tray, size - Materials Shell thickness, mm Head thickness, mm Number Thickness, mm Deaerator shell Storage shell Trays Internal compartments All other internal parts Spray valves Impingement baffles Antivortex baffles Describe number, location, type of manhole and access doors, Ref. No List of special tools provided, Ref. No Page 38

41 - 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) Refer to B-2 B-6 Mechanical Auxiliary Equipment 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 Page 39

42 Type of coupling Pump automatic cut-in pressure, bar Min. load pump can operate, % of MCR --- (2) Feed Pump Motor - Manufacturer, country (3) Weight 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, % 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 Page 40

43 - Wearing rings Balance disc Balance disc wearing plate Grand packing 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 center 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 Page 41

44 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 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 Page 42

45 -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 (7) Weight Bore, mm Material Design pressure, bar Test pressure, bar Wall thickness, mm Details of lining, Ref. No 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 bell mouth Casing ball Diffuser Impellers Pump shaft Shaft sleeves Delivery bend Foundation ring Stuffing box packing Page 43

46 - Discharge pipework Venting pipework Hybrid Cooling Tower - Manufacturer, country Type Capacity, m 3 / hr Cooling surface area, m Depression of Temp (at site condition), 0 C Inlet water temp. 0 C Outlet water temp. 0 C Air flow rate, m 3 / sec No. of Cell (including 25% additional cell) Hybrid Cooling Tower Basin Capacity, m Make up water requirement, m 3 /hr No. of Fans 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 Page 44