BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

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Section 5TransformersGhorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)44
5. TRANSFORMERS5.1 General5.1.1 Requirements for Characteristics5.1.2 Requirements for Construction-5.2 Generator Step-up Transformer5.2.1 Type and Ratio5.2.2 Output and Required Numbers5.2.3 Impedance Voltage5.2.4 Winding and Insulation5.2.5 On Load Tap Changer5.2.6 Cable Box5.2.7 Phase & Neutral Circuit Current Transformer5.3 Unit Auxiliary Transformer5.3.1 Type and ratio5.3.2 Output5.3.3 Impedance Voltage.5.3.4 Winding and Insulation5.3.5 Off Load Tap Changer5.3.6 Cable Box5.4 Station Transformer5.4.1 Type and Ratio5.4.2 Output5.4.3 Impedance Voltage5.4.4 Winding and Insulation5.4.5 Off Circuit Tap Changer5.4.6 Cable Box5.5 AccessoriesGhorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)45
Page 2 and 3: Volume - 2Technical RequirementsSec
Page 4 and 5: GHORASAL 200 MW to 300 MW GAS TURBI
Page 6: 2. Scope Of Work2.0 Scope of work2.
Page 9 and 10: 3. Generator switchgeara. Outdoor e
Page 11 and 12: Rated frequency: 50 HzRated nominal
Page 13 and 14: Lighting impulseWithstand voltage(1
Page 15 and 16: h. One (1) Lot Control and instrume
Page 17 and 18: 2.13 TestsThe Contractor shall be r
Page 19 and 20: Section 3Power Plant ArrangementGho
Page 21 and 22: 3.0 Power Plant Arrangement3.1 Gene
Page 23 and 24: 3.3.2.4 Compressor Wet Washing Syst
Page 26 and 27: The distillate fuel oil system shal
Page 28 and 29: 6. Sump tankThe sump tank allows dr
Page 30 and 31: provide necessary protection for ma
Page 32 and 33: 4. Generator And Ancillary Equipmen
Page 34 and 35: 4.1.4 Temperature RiseThe temperatu
Page 36 and 37: 4.1.12 Accessoriesa. Temperature de
Page 38 and 39: - Secondary wiring including cable
Page 40 and 41: 4.3.6 Voltage TransformerThe voltag
Page 42 and 43: 3) The rated service voltage shall
Page 46 and 47: 5. TRANSFORMERS5.1 GENERALThe trans
Page 48 and 49: . The tank shall be of the welded s
Page 50 and 51: The wiring shall be connected at th
Page 52 and 53: 5.3 UNIT AUXILIARY TRANSFORMER5.3.1
Page 54 and 55: h. Anchor devicei. Oil preservation
Page 56 and 57: 6. 230 kV OUTDOOR SWITCHGEAR, EQUIP
Page 58 and 59: -Power frequency withstand voltage(
Page 60 and 61: eaker.(6) Dielectric Test Voltagea.
Page 62 and 63: . Rated insulation level- Lighting
Page 64 and 65: f. Unless otherwise specified, the
Page 66 and 67: 6.3.2 DESIGN CRITERIAThe steel stru
Page 68 and 69: 6.4 INSULATORS AND WIRING MATERIALS
Page 70 and 71: Section 76.6 Kv SwitchgearAndLow Te
Page 72 and 73: 7. 6.6 kV SWITCHGEAR AND LOW TENSIO
Page 74 and 75: - Number of circuit :Determined by
Page 76 and 77: Section 8Control And ProtectionGhor
Page 78 and 79: 8. CONTROL AND PROTECTION EQUIPMENT
Page 80 and 81: - Automatic synchronising equipment
Page 82 and 83: ee. AVR failure xff. Emergency Trip
Page 84 and 85: can be seen through the window with
Page 86 and 87: Required no. of 6.6 kV and 415 V vo
Page 88 and 89: 8.10.3 CONTROL EQUIPMENT(1) Transmi
Page 90 and 91: The test block shall be of the back
Page 92 and 93: Section 9Cabling And GroundingGhora
Page 94 and 95:
9. CABLING AND GROUNDING9.1 GENERAL
Page 96 and 97:
9.2.4 CONTROL AND INSTRUMENT CABLES
Page 98 and 99:
9.4 CABLE ERECTIONConcrete lined ca
Page 100 and 101:
Section 10DC Power Supply SystemGho
Page 102 and 103:
10 DC POWER SUPPLY SYSTEM10.1 BATTE
Page 104 and 105:
float charge as well as boost charg
Page 106 and 107:
Section 11Lighting And Small Power
Page 108 and 109:
11. LIGHTING AND SMALL POWER SUPPLY
Page 110 and 111:
(ii)Three phase plug socketOutdoor-
Page 112 and 113:
Section 12Fuel Handling FacilitiesG
Page 114 and 115:
12. FUEL OIL SYSTEM AND HANDLING FA
Page 116 and 117:
from unloading base to the fuel tan
Page 118 and 119:
13. FIRE PROTECTION FACILITIES13.1
Page 120 and 121:
System of lock off to (but not exit
Page 122 and 123:
Section 14Communication FacilitiesG
Page 124 and 125:
14. COMMUNICATION FACILITIES14.1 GE
Page 126 and 127:
(2) General CommunicationWhen the o
Page 128 and 129:
(1) BatteryType of batteryCapacityN
Page 130 and 131:
15. MAINTENANCE FACILITIESPage15.1
Page 132 and 133:
15.1.4 RATINGThe rating of the cran
Page 134 and 135:
The main power supply shall have a
Page 136 and 137:
Static tests of all automatic seque
Page 138 and 139:
Section 16Tests And InspectionsGhor
Page 140 and 141:
16 TESTS AND INSPECTIONS16.1 GENERA
Page 142 and 143:
subjected to the following tests by
Page 144 and 145:
c. Stranded Conductors for Overhead
Page 146 and 147:
days from the receipt of the said n
Page 148 and 149:
circuit of unit motor control centr
Page 150 and 151:
Special measures may have to be tak
Page 152 and 153:
Checks shall be made of the local a
Page 154 and 155:
Section 17Civil WorksGhorasal 200 M
Page 156 and 157:
17.9 Sewage Works17.9.1 General17.9
Page 158 and 159:
17.1.4 SITE LABORATORYThe Contracto
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where directed by the Board extra s
Page 162 and 163:
approval regarding the re-measureme
Page 164 and 165:
igidly in position down to the lowe
Page 166 and 167:
on piles together with the apparatu
Page 168 and 169:
than 15 cm in size containing suita
Page 170 and 171:
aggregates shall be washed prior to
Page 172 and 173:
17.6.13 FORMWORK AND TIMBERINGFormw
Page 174 and 175:
he Contractor shall repair at his o
Page 176 and 177:
Sieve designationPercentage by(Squa
Page 178 and 179:
(b) Transverse Joints: The transver
Page 180 and 181:
17.7.2 Gravel SurfacingThe Contract
Page 182 and 183:
extended with sufficient number of
Page 184 and 185:
A written record of the drilling in
Page 186 and 187:
) Control EquipmentThe control equi
Page 188 and 189:
17.12.2 GatesSliding metal gates of
Page 190 and 191:
18 Building WORKS18.1 General18.1.1
Page 192 and 193:
18.1.4 RecordsThe Contractor shall
Page 194 and 195:
FrameRoofExterior wallPartition wal
Page 196 and 197:
18.5 Materials And Workmanship18.5.
Page 198 and 199:
(7) PaintPrior to delivery after sh
Page 200 and 201:
oof cladding shall be less than 1.1
Page 202 and 203:
. Wooden doorsPlywood for panelThic
Page 204 and 205:
The terrazzo is to be trowelled to
Page 206 and 207:
to suit. Stud shall be formed of ap
Page 208 and 209:
Section 19Spare PartsGhorasal 200 M
Page 210 and 211:
19. SPARE PARTS19.1 GENERALThe Cont
Page 212 and 213:
BACKGROUND INFORMATION:Bangladesh P
Page 214 and 215:
- Overhauling of all electrical mot
Page 216 and 217:
3. BASIS OF PRICE3.1 Basis of price
Page 218 and 219:
the delayed services or such other
Page 220 and 221:
13. GENERAL CLAUSES CONCERNING TERM
Page 222 and 223:
17. INSURANCEThe insurance includin
Page 224:
Appendixes20.1 Site Layout20.2 Grid
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BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

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