NATIONAL ALUMINIUM COMPANY LIMITED - Rites

More documents

Recommendations

Info

Insulation level Insulation class 1 minute dry power frequency withstand : 2.5 kV 1 minute wet power frequency withstand : 2.5 kV Support insulator Type : Non: hygroscopic SMC Maximum distance between supports Clearance : moulded/FRP To be worked out based on short circuit calculation. Phase to Phase Phase to earth Enclosure Material : AI (for >/= 3000 A) / MS (For < 3000A) Degree of protection (Minimum ) : IP52 – Indoor IP55-Outdoor Outdoor Thickness of material : 2.5 mm (minimum) Accessories Sea- Off bushing with wall frame (for wall crossing) : Only wall frame required Silica gel breather Space heaters Maximum temp allowed at max. ambient temp : Bus conductor Bus enclosure and support structure : 70˚C Technical Specification:Sec-6, Electrical : 1.1 kV : : 25.4m : 19.0m : Required : Required : 85˚C Page 26 of 97
Paint shade Phase crossover chamber/section : Exterior: Approved One set in one of the bus duct portion of each PCC/board. ERECTION, INSTALLATION ACCESSORIES All erection & installation accessories required for erection/installation of equipment are included in the scope of the tenderer. All the accessories and other erection materials required to complete the erection job in all respect shall be considered as part of the tenderer’s scope. Safety insulating mats of minimum thickness of 2 to 3 mm and of suitable voltage grade in front of all the PCCs/board and control panels shall be provided by the tenderer. 4.4 ELECTRIC MOTORS General All motors shall generally conform to IS 325 and CBIP publication No. 140. Motors shall run continuously at rated output with + 5 % variation in frequency and + 10 % variation in voltage and + 10 % combined ned variation of frequency and voltage (absolute sum). Motor shall not stall due to momentary drop in voltage up to 70 % of rated value and shall run satisfactorily for five minutes at a supply voltage of 75 % of rated value. The limiting value of voltage at rated frequency under which motor will successfully start and accelerate to rated speed with load shall be assumed to be a constant value of 80 % rated voltage throughout the starting period. All motors shall be supplied with foundation bolts (if app applicable), licable), drain holes with plugs. Motors shall be designed for 50oC ambient temperature. Motors supplied shall be complete with required double compression cable glands, crimp type cable lugs and first filling of lubrication, name plate, etc. Lifting fac facility ility to be provided for all HT motors and big size LT motors. Guards shall be provided to prevent accidental touch for couplings and for free shaft ends shall be provided. Degree of protection for motor and bearings shall be IP IP-55 55 for indoor and IP55 wit with rain canopy and weather proof construction for outdoor. Motor shall be suitable to withstand at least three successive starts from system cold condition and two starts from hot condition at normal system voltage and frequency. The drive motor shall have e at least 15 % margin over the maximum power requirement of the driven equipment after considering all losses, de de-rating rating due to temperature and specific site and operating conditions. Technical Specification:Sec-6, Electrical : Interior: yellow Black/white/light Page 27 of 97
Page 1 and 2:
NATIONAL ALUMINIUM COMPANY LIMITED
Page 3 and 4:
1.0 GENERAL M/S. National Aluminium
Page 5 and 6:
It is conveyed to the storage Yard
Page 7 and 8:
existing conveyor BC-104. 104. Coal
Page 9 and 10:
provided sufficient information is
Page 11 and 12:
Equipment and services covered unde
Page 13 and 14:
elow wagon tippler hopper including
Page 15 and 16:
3.1.24 First fill of all consumable
Page 17 and 18:
galleries, trestles, penthouses, Wa
Page 19 and 20:
Apron feeder will feed coal unloade
Page 21 and 22:
The LD shall be assessed on the bas
Page 23 and 24:
13.0 START-UP UP & COMMISSIONING SP
Page 25 and 26:
1.1. GENERAL Technical Specificatio
Page 27 and 28:
1.1.16 The offer shall be complete
Page 29 and 30:
The supply of conveyor galleries, t
Page 31 and 32:
1.2.15 Installation stallation and
Page 33 and 34:
After erection, the damaged portion
Page 35 and 36:
• Supply of all commissioning spa
Page 37 and 38:
(b) Guaranteed (rated) capacity: 12
Page 39 and 40:
• Guideline for wagon tipplers is
Page 41 and 42:
is activated, all conveyors will al
Page 43 and 44:
Wagon Tippler a). Motor O/L - not t
Page 45 and 46:
linking while the faulty conveyor /
Page 47 and 48:
automatic controls for positioning,
Page 49 and 50:
platform with a minimum accuracy of
Page 51 and 52:
A. Wagon Tippler Hopper Constructio
Page 53 and 54:
8.4.3 The arm shall be raised and l
Page 55 and 56:
10.5 DATA SHEET Capacity (TPH) : 15
Page 57 and 58:
12.4 DATA SHEET: DRIVE EQUIPMENT GE
Page 59 and 60:
Nos (Total 4 Nos in the Crane ffor
Page 61 and 62:
lifted over/by the side of other eq
Page 63 and 64:
14.3.3 Trolley wheels shall be of s
Page 65 and 66:
15.2.3 Transfer chutes shall be ade
Page 67 and 68:
shall be placed internal to the dri
Page 69 and 70:
2.3.4 Manual Operation (a) (b) 2.3.
Page 71 and 72:
supports, pumps, tanks, etc. as req
Page 73 and 74:
a. Pump casing may be axially or ra
Page 75 and 76:
(i) Base plates together with found
Page 77 and 78:
impregnated tar felt. The lap joint
Page 79 and 80:
3.3.0 Pipings & Fittings 3.3.1 Join
Page 81 and 82:
(j) Y Strainer 17.0 VENTILATION SYS
Page 83 and 84:
• IS:2312 :Propeller type AC Vent
Page 85 and 86:
17.5.22 Condenser capacity control
Page 87 and 88:
The media of the filter shall be ma
Page 89 and 90:
2.4.5 Condenser: Air cooled type 2.
Page 91 and 92:
) Suitable access staircase with sa
Page 93 and 94:
18.3 ADDITIONAL DESIGN CRITERIA a)
Page 95 and 96:
i) Gallery Trusses Span / 400 ii) T
Page 97 and 98:
i) Removal of bends, kinks, twists,
Page 99 and 100:
shall not be done in foggy weather.
Page 101 and 102: i. Pollution n Control Regulations
Page 103 and 104: i) Procedure for initial checking a
Page 105 and 106: (k.) All manufacturing, fabrication
Page 107 and 108: (v.) After final acceptance of indi
Page 109 and 110: y the Engineer shall not relieve th
Page 111 and 112: Each main and auxiliary item of pla
Page 113 and 114: (a) His organisation structure for
Page 115 and 116: 4.12.10 Welding procedure qualifica
Page 117 and 118: (c) Manufacturer / works test repor
Page 119 and 120: make modifications that may be nece
Page 121 and 122: endanger the safe operation of the
Page 123 and 124: The equivalent 'A' weighted sound p
Page 125 and 126: shall be done. In case of junction
Page 127 and 128: ELECTRICS FOR WAGON TIPPLER SYSTEM
Page 129 and 130: 1.5 Safety All equipment shall be c
Page 131 and 132: • Static and dynamic loading of t
Page 133 and 134: All cables Power cable, Control Cab
Page 135 and 136: Following power utilization standar
Page 137 and 138: Ammeter for Wagon Tippler, Apron fe
Page 139 and 140: • Relay should have heavy duty tr
Page 141 and 142: Air break, drawout type conforming
Page 143 and 144: Internal control wiring shall be by
Page 145 and 146: POTENTIAL TRANSFORMERS 1. Type 2. P
Page 147 and 148: Where such sealants or adhesives sh
Page 149 and 150: Specifications for miscellaneous ma
Page 151: Two numbers 50 x 6 mm GI flat earth
Page 155 and 156: Degree of protection for motor and
Page 157 and 158: The other technical particula parti
Page 159 and 160: stress, noise on communication syst
Page 161 and 162: CTs for back up earth fault (51N) a
Page 163 and 164: Suitable under-carriage carriage fi
Page 165 and 166: 21. Suitable for parallel operation
Page 167 and 168: • Sequence module • Zero speed/
Page 169 and 170: iii) LED status indication iv) BCD
Page 171 and 172: • The communication subsystem bet
Page 173 and 174: Static Transfer Switches The static
Page 175 and 176: 9. Continuous load/duration : As pe
Page 177 and 178: 4. A/C & ventilation RRoom 5. Perip
Page 179 and 180: The LDBs shall be fabricated from C
Page 181 and 182: The miniature circuit-breakers brea
Page 183 and 184: Outgoings : MCCB TPN of 32 A : 10 N
Page 185 and 186: type terminals for taking looping c
Page 187 and 188: The starter holders shall be of wel
Page 189 and 190: essentially have a 3 points suspens
Page 191 and 192: The wall thickness of each section
Page 193 and 194: While designing the earthing system
Page 195 and 196: Ring mains LT PCCs/board Control Pa
Page 197 and 198: Bidder shall include complete elect
Page 199 and 200: The VCB shall be indoor drawout typ
Page 201 and 202: front design. The distribution boar
Page 203 and 204:
Encl: IP-45 Control voltage - 220 V
Page 205 and 206:
1. Procedure mentioned in manufactu
Page 207 and 208:
Dispatch clearance shall be given b
Page 209 and 210:
The acceptance test on the system s
Page 211 and 212:
6. Functional test 7. Capacity test
Page 213 and 214:
SN IS Standard with Latest Amendmen
Page 215 and 216:
Page 217 and 218:
Page 219 and 220:
Page 221 and 222:
Page 223 and 224:
Page 225 and 226:
e prepared in Auto Cad (latest vers
Page 227 and 228:
plates under the conveyor galleries
Page 229 and 230:
specifically called for in drawings
Page 231 and 232:
preferably be not less than 4.5 cut
Page 233 and 234:
12.0 LOADING For consideration of l
Page 235 and 236:
or as directed by the Engineer. The
Page 237 and 238:
slowly to make a Slurry Mix. For pr
Page 239 and 240:
Dado in toilets and pantries shall
Page 241 and 242:
above e the ground except for rail
Page 243 and 244:
All standards, specifications, acts
Page 245 and 246:
1.0 GENERAL 1.1 The following provi
Page 247 and 248:
6.2 Before the Contractor connects
Page 249 and 250:
13.2 The Contractor shall have the
Page 251 and 252:
the site. Illumination of wagon tip
Page 253 and 254:
21.4 The Contractor shall provide e
Page 255 and 256:
(c) The testing schedule sh shall a
Page 257 and 258:
(j) The Contractor shall be respons
Page 259 and 260:
33.0 PAINTING All exposed metal par
Page 261 and 262:
37.4 The Contractor shall provide s
Page 263 and 264:
earing housing shall not exceed for
Page 265 and 266:
Technical Specification:Sec-8l v. C
Page 267 and 268:
All installation procedures shall c
Page 269 and 270:
55928 (Part 4) or BS 4232 or IS 147
Page 271 and 272:
5.0 FINISH PAINTS (F) Finish paint
Page 273 and 274:
SP - Surface preparation quality 2P
Page 275 and 276:
Transformer oil Fuel oil Coke oven/
Page 277 and 278:
LIST OF MANDATORY SPARES A. MECHANI
Page 279 and 280:
6.0 Electric Hoist 7.0 Manual Hoist
Page 281 and 282:
PDB/LDB/SLDB/AUX. PDB LT TRANSFORME
Page 283 and 284:
INFORMATIONS TO BE FURNISHED BY THE
Page 285 and 286:
HYD.POWER PACK DETAILS FOR WT Type
Page 287 and 288:
Excitation voltage Safe overload Ul
Page 289 and 290:
No.of wagon handled by Indexer Oper
Page 291 and 292:
iii) Shaft deflection at hub iv) La
Page 293 and 294:
13. Make, ratings, type of limit sw
Page 295 and 296:
Technical Specification:Sec-9,Misce
Page 297 and 298:
6. Equipment wise List of commissio
Page 299 and 300:
MCC WISE DATA Sl. No RELAYS METERS
Page 301 and 302:
4. Value of earthing resistance (pr
Page 303 and 304:
LIGHTING MAST General 1. Make : 2.
Page 305 and 306:
5.4 Centrifugal Fan a) Make & Model
Page 307 and 308:
j) Shaft power k) Drive details a.
Page 309 and 310:
1.0 FORMAT FOR GENERAL AND COMMERCI
Page 311 and 312:
8.0 LIST OF DRAWINGS ENCLOSED WITH
Page 313 and 314:
D) Fluid Coupling Schedule E) Idler
Page 315 and 316:
In case the Tenderer/ Contractor in
Page 317 and 318:
17 Lighting & Power panels 6. Preci
Page 319 and 320:
47. Signal and Instrumentation 5.KE
Page 321 and 322:
16. 4” dia portable motor operate
Page 323 and 324:
1.0 COMPLETION SCHEDULE Special Ins
Page 325 and 326:
(i) Bids that do not meet the quali
Page 327 and 328:
1.0 COST OF BIDDING 1.1 All direct
Page 329 and 330:
5.2 Any addendum thus issued will b
Page 331 and 332:
discrepancy between the quoted lump
Page 333 and 334:
. GENERAL CONDITIONS OF CONTRACT CO
Page 335 and 336:
. 1.00 APPLICATION Unless otherwise
Page 337 and 338:
. 2.22 `Writing’ shall include an
Page 339 and 340:
. 4.02 For Erection Supervision Ser
Page 341 and 342:
. American Petroleum Institute (API
Page 343 and 344:
. Dimensions of each package shall
Page 345 and 346:
. 11.0 INSURANCE 11.01 The Owner wi
Page 347 and 348:
. c) Drawing submission schedule in
Page 349 and 350:
. Erection schedule giving the sequ
Page 351 and 352:
. premises, the Contractor shall ob
Page 353 and 354:
. (I) Loads at which tests will be
Page 355 and 356:
. 24.02 Completion Certificate With
Page 357 and 358:
. 27.00 MAINTENANCE AND GUARANTEE -
Page 359 and 360:
. have the option and be at liberty
Page 361 and 362:
. him to the Contractor under the c
Page 363 and 364:
. 38.00 PROGRESS REPORTS AND PHOTOG
Page 365 and 366:
. The Purchaser; shall pay the Cont
Page 367 and 368:
. All registration and statutory in
Page 369 and 370:
. During the progress of work the C
Page 371 and 372:
. Before completion of erection, th
Page 373 and 374:
. his own cost for distribution to
Page 375 and 376:
. (iii) Final adjustment of foundat
Page 377 and 378:
. (a) The work procedures that are
Page 379 and 380:
. 44.18 Construction Management (a)
Page 381 and 382:
. 45.00 FOREIGN PERSONNEL 45.01 The
Page 383 and 384:
. For the purpose of appointing the
Page 385 and 386:
. The Contractor shall prepare and
Page 387 and 388:
. waiver of such provisions, rights
Page 389 and 390:
Tender Notice No. - …………...
Page 391 and 392:
Page 393 and 394:
Page 395 and 396:
Page 397 and 398:
Page 399 and 400:
IMPORTANT AGREED TERMS & CONDITIONS
Page 401 and 402:
Sl. Descriptions Vendor’s confirm
Page 403 and 404:
Sl. Descriptions Vendor’s confirm
Page 405 and 406:
SL. NO. REFERENCE OF NIT DOCUMENT D
Page 407 and 408:
Tender Notice No. - ……………
Page 409 and 410:
Page 411 and 412:
Page 413 and 414:
Page 1 of 2 ANNEXURE - VII PROFORMA
Page 415 and 416:
Tender Notice No. - …………. P
Page 417 and 418:
Tender Notice No. - …………..
Page 419 and 420:
Page 421 and 422:
Page 423 and 424:
Page 425 and 426:
1.0 General PACKING, MARKING, SHIPP
Page 427 and 428:
PACKING, MARKING, SHIPPING AND DOCU
Page 429:
PACKING, MARKING, SHIPPING AND DOCU
show all

NATIONAL ALUMINIUM COMPANY LIMITED - Rites

You also want an ePaper? Increase the reach of your titles

Delete template?

Save as template?