Tender Document for Repowering Project of Ghorasal 3rd Unit - BPDB

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2.30 Effluent Treatment Plant 2.31 Simulator for Power Plant Operation Training 2.32 Supply of International Standard Re-Powering Ghorasal 210 MW 3 rd Unit (Vol-2A of 2) 8
2. Scope of Work 2.0 Scope of Work. The work stated in this specification shall cover the complete design, engineering (including supply of all calculation & settings), manufacturing, inspection, testing, supply, delivery to the site, construction, erection installation, testing, commissioning, commercial operation and service of operation & maintenance for the first twenty four (24) months after satisfactory performance tests of Combined Cycle Generating Unit with Emergency Diesel Generator, Fuel Gas Booster Compressors and associated equipment at Ghorasal, Narsingdi, Bangladesh on full turnkey basis. The equipment provided shall be of proven type and design, having total net output at site condition (35 0 C, 1.013 bar, 98% relative humidity) of Re- Powered of Ghorasal 3 rd Unit with inclusion of GTG and HRSG consists of Two (2) heavy duty industrial outdoor packaged type gas turbine generator (without any ancillary equipment, such as water/steam injection, evaporator, chillier etc. for increasing power output), Two (2) heat recovery steam generator and existing steam turbine generator unit. Tenderer can propose 2:2:1 (multishaft) configuration CCPP. Aero-derivative type gas turbine shall not be considered The Tenderers will have to Supply Main (230 KV & 15.75 KV) and Auxiliary (6.6 KV & 0.415 KV) Equipment, Materials & Systems including Supply, Installation, Testing, Commissioning of Equipment and Control system (including pre-close check systems & inter-lock systems, Protection system, Metering System etc. accordingly, based on 2:2:1 configuration CCPP. Tenderers shall also fill the Price Schedule of Vol. 1 of 3, Annexure- 3 accordingly. The work shall be carried out in accordance with the conditions of this documents, and shall include but not necessarily be limited to the following major items. 2.1 COMBINED CYCLE POWER PLANT 2.1.1 General (1) Total Net power station output (base load) At site conditions (35 0 C, 1.013 bar, 98% relative humidity) :600-700 MW (2) Number of units a. Gas turbine unit :Two(2) identical units b. Heat recovery steam generator :Two(2) identical units c. Steam turbine unit :Existing One (1) 210 MW (3 rd Unit) (3) Main Fuel :Natural Gas (4) Operation mode a. Gas turbine unit :Base load as well as peak load. b. Combined cycle unit :Base load. Re-Powering Ghorasal 210 MW 3 rd Unit (Vol-2A of 2) 9
Page 1 and 2: BANGLADESH POWER DEVELOPMENT BOARD
Page 3 and 4: Section 1 Description of the Projec
Page 5 and 6: Section 2 Scope of Work Re-Powering
Page 7: 2.7 Other Electrical System 2.8 Eme
Page 11 and 12: s. Cooling and ventilating system.
Page 13 and 14: Evaporator and Super-heater of the
Page 15 and 16: There are 3 (Three) feed water pump
Page 17 and 18: No of heater Heating surface Steam
Page 19 and 20: Description of Sealing Oil Pump(AC)
Page 21 and 22: 0.4 kV bus, EDG will start and supp
Page 23 and 24: • Rated low voltage : 6.6 kV •
Page 25 and 26: l. One (1) lot 230 KV Control & Rel
Page 27 and 28: in his supply, and shall provide ne
Page 29 and 30: 2.30 Effluent Treatment Plant Efflu
Page 31 and 32: 3. Power Plant Arrangement 3.1 Gene
Page 33 and 34: 3.2 Guarantee The steam turbine gen
Page 35 and 36: shall be operated from central cont
Page 37 and 38: 3.3.6 Closed circuit cooling water
Page 39 and 40: The generators shall be connected t
Page 41 and 42: given of the outside of the enclosu
Page 43 and 44: 4.0 Gas Turbine and Ancillary Equip
Page 45 and 46: 4.3.2.1 Vibration Critical Speed Th
Page 47 and 48: 2. Compressor wash water quality To
Page 49 and 50: 4.3.2.9 Air Inlet System The air fi
Page 51 and 52: Section-5 Heat Recovery Steam Gener
Page 53 and 54: 5. Heat Recovery Steam Generator an
Page 55 and 56: 5.1.9 Steam Purging Following acid
Page 57 and 58: (2) Chemical Feed Pipe The chemical
Page 59 and 60:
5.2.4 Economiser The economiser sha
Page 61 and 62:
An approval system of safety valve
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(e) All special supporting hangers,
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5.2.10 Valves All valves shall be o
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Sensors for temperature, pressure,
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prevent sticking and leakage. Suita
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6. Existing Steam Turbine And Ancil
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Description of Shaft Turning Gear M
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RPM 1000 Current 222 Amps Stand by
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6.11 Valves 6.12 Generator There ar
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Power 22 KW Voltage 230/400 V(∆Y)
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RPM 1000 Current 53 A Description o
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Section 7 Gas Turbine Generator and
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7. Generator and Ancillary Equipmen
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aced, blocked and supported against
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discharge or suppress excitation fo
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(4) Safety shutters actuated by ins
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- Current transformer : Three (3),
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- Circuit breaker : One (1) for eac
Page 97 and 98:
8. TRANSFORMERS 8.1 General 8.1.1 R
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a. 230 KV CIRCUIT - lightning impul
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(3) Oil Preservation System: Oil im
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The full insulation shall be applie
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±8x1.25%. 8.4.2 Output Each auxili
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9. 230 Kv Outdoor Switchgear, Equip
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(3) Ratings a. Rated voltage : 245
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fittings between each phase and con
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sealed Electromagnetic type voltage
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k. Each current transformer shall b
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9.3.2 DESIGN CRITERIA The steel str
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e. Step-bolts : one (1) lot f. “R
Page 121 and 122:
Section 10 6.6 Kv Switchgear and Lo
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10. 6.6 kV SWITCHGEAR AND LOW TENSI
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Rated normal current Incoming and b
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Section 11 Control and Protection R
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11. Control and Protection Equipmen
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- Automatic synchronising equipment
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ee. AVR failure x ff. Emergency Tri
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One (1) lot One (1) lot One (1) lot
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(1) Pressure Measurement Pressure s
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11.11 DELETED. range of 85 % to 115
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shall be followed in the design of
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(namely that, of the approved DCS)
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The following functions must be rea
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11.11.7.5 Group Controls The auto-s
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The HP and LP steam pressure contro
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11.11.7.7 Operator Command and Supe
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(a) Commonality of equipment, facil
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Analog value storage of the Process
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Standard weather stations with all
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12. CABLING AND GROUNDING 12.1 Gene
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12.2.2. 6.6 kV XLPE POWER CABLES Th
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core type. The size of the conducto
Page 165 and 166:
Section 13 DC Power Supply System R
Page 167 and 168:
13.0 DC and UPS Systems The DC and
Page 169 and 170:
13.2 UPS Performance Static uninter
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14. Lighting And Small Power Supply
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c. The size shall be adequate to li
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The wall switches shall be of the e
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15. FUEL GAS HANDLING FACILITIES 15
Page 179 and 180:
Section 16 Fire Detection & Protect
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16. Fire Detection & Protection Fac
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mm diameter. The underground pipewo
Page 185 and 186:
17. Communication Facilities 17.1 G
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h. Operator intrusion into an estab
Page 189 and 190:
Ammeter for measuring the emitter c
Page 191 and 192:
• video matrix switcher and contr
Page 193 and 194:
18. Maintenance Facilities 18.1 Ove
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18.1.3 TYPE OF CRANE 18.1.4 RATING
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anchors and other electrical equipm
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18.1.10 SITE TESTS (1) Control and
Page 201 and 202:
Section 19 Tests and Inspections Re
Page 203 and 204:
19. Tests and Inspections 19.1 GENE
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19.2.4 GENERATOR 19.2.5 EXCITER All
Page 207 and 208:
"Voltage transformers” - General
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(3) Reliability Test Period a. The
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(4) Performance and Acceptance Test
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Insulation resistance test using 50
Page 215 and 216:
ound copies of all site test sheet
Page 217 and 218:
Section 20 Civil Works Re-Powering
Page 219 and 220:
20.6.11 Transportation 20.6.12 Curi
Page 221 and 222:
20.1.3 SITE INVESTIGATION The Contr
Page 223 and 224:
20.3 EARTHWORKS 20.3.1 GENERAL The
Page 225 and 226:
until the work has been inspected a
Page 227 and 228:
the piles. Due consideration shall
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casing in concrete or such other me
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a+b+e or a+b+c+f or a+b+d+f 20.4.4
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approved standard. When required by
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20.6.11 TRANSPORTATION 20.6.12 CURI
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In a flight of stairs Rise 3 mm In
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20.7.1.2 Aggregate Sub-base Materia
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warping or cracking. When placing t
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(14) days. Ponding of the surface o
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Man-holes, inspection chambers and
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Colour of paint shall be as directe
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This pump shall be operated in conj
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20.11 Ducts The concrete ducts to i
Page 253 and 254:
Section 21 Building Works Re-Poweri
Page 255 and 256:
21. Building Works 21.1 General The
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adopted standards or codes shall be
Page 259 and 260:
Outside temperature : 36 0 C Inside
Page 261 and 262:
(6) Welding Procedure (7) Paint Det
Page 263 and 264:
chips, gravel or crushed stone, or
Page 265 and 266:
pallets, and other hidden timber sh
Page 267 and 268:
21.5.9 Floor Laying (1) PVC Floorin
Page 269 and 270:
protection of the tiling from all d
Page 271 and 272:
Section 22 Spare Parts Re-Powering
Page 273 and 274:
22. Spare Parts 22.1 Spares & consu
Page 275 and 276:
BACKGROUND INFORMATION: Bangladesh
Page 277 and 278:
- Overhauling of all electrical mot
Page 279 and 280:
GENERAL CONDITIONS OF LTSA CONTRACT
Page 281 and 282:
8. LIMITATION OF LIABILITY 8.1 The
Page 283 and 284:
- Failing to pay the LTSA provider
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the Head of the power plant. 16. CO
Page 287 and 288:
Section 23 Appendices Re-Powering G
Page 289 and 290:
Annexure -1 ANALYSIS OF NATURAL GAS
Page 291 and 292:
Indicative Single Line Diagram of E
Page 293 and 294:
Re-Powering Ghorasal 210 MW 3 rd Un
Page 295 and 296:
Page 297 and 298:
Page 299 and 300:
Standards for Industrial Effluent o
Page 301 and 302:
Page 303 and 304:
Page 305:
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Tender Document for Repowering Project of Ghorasal 3rd Unit - BPDB

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