SPECIAL REPAIR/ REPLACEMENT OF OCB/VCB AT JHANSI CANTT UNDER GE JHANSI

Amount

Supply, installation, testing and commissioning of indoor type floor mounted HT 11 KV switchgear panel comprising of 02 Nos incoming VCBs, 01 No outgoing VCBs, 01 No bus coupler along with Instrument Panels and Instrument Transformers etc as per the detailed specifications given below complete enclosed in metal clad cubicle made out of 2.0 mm thick CRCA sheet with front and rear accessible doors with locking arrangement, dust and vermin proof, duly powder coated, totally enclosed, free standing floor mounting type, compartment based having protection IP4X externally and IP2X internally. Each panel shall be easily extensible on either side and should be provided with 3 phase 800 Amps copper bus-bar with heat shrink PVC sleeves insulation, continuous earth bus at the bottom of the panel capable for carrying full short circuit current for 3 sec including necessary internal copper connections, small wiring, AC / DC control wiring, HT/LT fuses etc complete. The panel shall be conforming to IEC 60295 & 60694/ IS:13227. Make: CG / Schneider / Siemens / Areva

BUS COUPLER: (a) Vacuum Circuit Breaker, Triple pole, 250 MVA, 13.1 KA for 3 sec, 11 KV, 50 Hz, 630 Amps, vertical isolation and horizontal draw out type, fitted with arc control device, interlocks, auxiliary switches, isolating contacts, emergency hand trip device, mechanical 'ON' & 'OFF' indicator and motor operated spring charged mechanism with manual charging of closing spring facility - 01 No. (b) Bus Trunking Chamber with 3 phase 800 Amps rated copper bus-bar with heat shrink PVC sleeves insulation - 01 Set (c) Indicating lamps with fittings to indicate breaker 'open', 'close', auto-trip' & 'spring charged' - 04Nos (d) Anti Pumping Relay - 01 No. (e) TNC Switch - 01 No (f) LR Switch - 01 No (g) Circuit breaker control handle - 01 No (h) Cubicle Illumination lamp with door operated ON/OFF switch-01 No (j) Anti-condensation tubular space heater with a thermostat & MCB. - 01No

Note for Item No. 1.00 to 1.03: (i) All the metering instruments, protection relays and control gear provided under these items should be SCADA compatible. (ii) Communication Port RS 232 for Local PC and RS 485 for Remote Operation in MODBUS Protocol shall be provided. (iii) The Contractor shall submit set of all drawings of the VCB Panel and its components in duplicate and get the same approved from GE before commencement of production. The contractor shall furnish all details and clarifications required if any for scrutiny and evaluation. Manufacture of material to be supplied shall be done strictly as per approved drawing. However, approval of drawing shall not absolve the contractor/supplier of his liability for ensuring correctness according to applicable standards & regulations.

Supply, laying, connecting, testing & commissioning in replacement of XLPE insulated, insulation screening with extruded semi conducting compound in combination with copper tape, cores laid up, PVC inner sheath, galvanized steel strip armoured and overall PVC sheathed electric power cables(heavy duty) with stranded aluminum conductor of cross sectional area 120 sqmm, 3 core, 11000 volts grade (Earthed) cable confirming to IS 7098 (Part - II) including taking down existing unserviceable HT cable of any description complete all as specified and directed. Make: Havells / Universal / Gloster / Polycab / Finolex/KEI

Material and Labour for Cable jointing kit for 11 KV (Earthed) grade cable for indoor end termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm complete all as specified and as directed. Make: Raychem / Denson / 3M

Material and Labour for Plain Cement Concrete (PCC) 1:2:4, type B1 using 20mm graded stone aggregate including necessary form work and finished even and smooth without using extra cement as in foundation / platform for 33 KV / 11 KV power transformer complete all as specified and directed.

Disconnecting all incoming and out going HT cables from HT 11 KV OCB / VCB panel, carefully dismantling the panel comprising of 11 KV OCB cubicles (06 Nos) and VCB cubicles (07 Nos) along with instrument panels, removing the BER OCB cubicles and shifting and depositing to MES E/M store yard, re-installing the existing VCB cubicles to either side of new 11 KV VCB panel (02 I/C + 01 B/C + 03 O/G) being installed under BOQ Item No. 01 here-in-before duly matching and connecting the existing bus bar with new panel directly or by inserting bus bar adapter in between as per site requirement, renewing the control wiring to match with the new panel, re-connecting all incoming and outgoing HT cables, calibrating the existing relays to match with new relays, painting of old VCB cubicles by spray painting of colour to match with the new panel including testing and commissioning for proper functioning of protection system complete all as specified and directed. Note: The quoted rate shall deemed to be inclusive of matching bus bars of both existing and new VCB cubicles either by directly connecting or by inserting new bus bar adapter box as per site requirement and nothing extra shall be paid on this account.

Shifting of 33 KV / 11 KV Power transformer of capacity 1.6 MVA from Caleb Vihar MRS to Tagore Line MRS by draining out the complete transformer oil, stored in cleaned containers, dismantling the radiator assembly, lifting and transporting to new location, re-assembling the complete transformer, re-filling the complete oil duly filtered / dehydrated with transformer oil centrifuge machine, re-installing on PCC platform, making all primary, secondary and control wiring connections and testing and commissioning for proper functioning complete all as specified and directed .

Servicing and overhauling of 33 KV PCOB Vacuum Circuit Breaker of any rating and any make by carefully drawing out the breaker from panel, degreasing and cleaning all moving parts, checking the condition of vacuum interrupters, male & female contacts, flexible connection, spring charging motor, gear assembly, tripping coil, timer, control wiring, operations of breaker both electrically and mechanically, inspecting all bolts, nuts, pins and collar pins etc, applying grease to all moving parts, gears and trolley and petroleum jelly to male & female contacts and re-assembling, refixing and testing for smooth functioning of breaker complete all as specified and directed.

Supply and install in replacement of HT 33KV outdoor, triple pole, Gang Operated Switch, Double Break, Rotating type, Horizontal mounting consisting of hot dip galvanized channel iron base, having 2 Nos. Post type Insulators in stack & 3 stacks per phase, copper alloy high pressure heavily tinned contact plated m.s.arcing horns capable of breaking the magnetizing current complete with down rod levers, couplings & operating handle with pad locking arrangements manufactured as per IS 9921 of rating up to 200 Amps including taking down existing unserviceable GOD of any description complete all as specified and directed. Make : Pactil / MEI / Jaipuria Brothers / Southern Switchgear / HEI / BHEL / ELPRO / Atlas / Rasthriya

Material and labour for earthing complete with galvanized iron earth plate electrode 600mm x 600mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 meters deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level connecting to GI strip 32x6 mm as earthing lead by means of bolts, nuts, check nuts and washers of galvanized iron or steel and earth wire protected by 50mm dia GI pipe medium grade and connected to pole structure/ panel board/earthing test point all as shown in electrical plate No. 3 of SSR Part-I(2009) and testing on completion complete all as specified and directed. Note :- The unit rate quoted shall also include for excavation, earth work in any type of soil, charcoal, salt, plain cement concrete 1:3:6 mix, Type C1 pit, 40mm thick RCC 1:2:4 mix type B1 cover reinforced with 8mm dia TMT bras @ 150mm C/C both ways, GI funnel with watering pipe, wire mesh, protection pipe, earth strip up to 7.50m long complete in addition to item No. 1(a) to (e) of preamble (Notes) under sub heading earthing, specified in SSR Part II

UNIVERSAL ENGG CO

PARAS BROTHERS

DURGAI ELECTRICALS

M/S SANTOSH CONSTRUCTION CO