SPL REPAIR/REPLACEMENT OF OH ABC CONDUCTOR CABLE TO UG CABLE ALONG WITH ASSOCIATED WORKS AND AUGMENTATION OF ELECTRICAL INFRASTRUCTURE AT AF STN JAMNAGAR UNDER GE (AF) JAMNAGAR NO. 1

Amount

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth ; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n. exc 10 sq m on plan and n exc 1.5 m in depth and getting out soft / loose soil.

Excavating in trenches, n exc 1.5 m wide and n exc 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5 m in depth and getting out hard / dense soil.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exc 25 cm.

Removing excavated material exc. 50m but n.exc 100 m and depositing where directed at a level n exc. 1.5 m above the starting point.

M&L for providing dry river sand as in sand cushioning to under ground PVC cable including punning down of sand in layer all as specified and directed. (Note: Work shall be executed as per clause 19.75 of standard schedule of rates part-1 (2009) for measurement purpose thickness of sand after punning down will be considered.)

Disconnecting & Taking down LT underground cable from trenches/wall etc, aluminium conductor of any size and core all as specified and directed.

Supply & laying LT underground cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 25 sq. mm 4 core laid in trenches / duct passing through pipe / duct or fixed on pole including lugs,thimbles and ferrules and connecting and testing etc complete all as specified & directed

Supply & laying LT underground cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 50 sq. mm 3.5 core laid in trenches / duct passing through pipe / duct or fixed on pole including lugs,thimbles and ferrules and connecting and testing etc complete all as specified & directed.

Supply & laying LT underground cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 120 sq. mm 3.5 core laid in trenches / duct passing through pipe / duct or fixed on pole including lugs,thimbles and ferrules and connecting and testing etc complete all as specified & directed

Supply & laying LT underground cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 185 sq. mm 3.5 core laid in trenches / duct passing through pipe / duct or fixed on pole including lugs,thimbles and ferrules and connecting and testing etc complete all as specified & directed

Supply & laying LT underground cable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volts grade, cross-sectional area 300 sq. mm 3.5 core laid in trenches / duct passing through pipe / duct or fixed on pole including lugs,thimbles and ferrules and connecting and testing etc complete all as specified & directed.

Note :- for items 7 to 11 excavation and earthwork, sand cushioning & cable covers will be measured and paid seperately.

Supply & lay ISI marked & conforming to IS - 5820 - 1970 unreinforced precast concrete cable cover Class LV, flat size 250 mm X 150 mm X 40 mm in trenches as protection to LT UG cable all as specified and directed.

Supply & laying LT underground cable XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured,electric power cables (heavyduty) with aluminium conductor, 11000 volts Earthed, grade cross sectional area 120 sq. mm 3 core laid in trenches / duct passing through pipe / duct or fixed on pole and connecting and testing etc complete all as specified & directed

Supply & laying ISI marked & conforming to IS - 5820 - 1970 unreinforced precast concrete cable cover Class HV , Type I , flat size 300 mm X 180 mm X 40 mm in trenches as protection to HT UG cable all as specified and directed

Supply and laying Tubes of bore 40 mm dia, 'Medium grade', galvanised, with all fittings; laid in trenches/ Floor / fixing on pole / wall complete & all as specified and directed.

Supply and laying in repairs Tubes of bore 40 mm dia, 'Medium grade', galvanised, with all fittings; laid in trenches/ Floor / fixing on pole / wall complete & all as specified and directed.

Material &Labour for Boring of holes under road, pavement, hard standing by trenchless technology using ultra sound technique and necessary machine including, Supply and Provision of HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure etc complete all as specified and directed.

Material and labour in replacement for provision of earthing complete with galvanized iron earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m deep below normal ground connected to galvanised mild steel strip 32 x 6 mm by means of bolts, nuts, check nuts and washer of galvanized steel, watering pipe of 20 mm bore galvanised iron medium grade and 40 mm bore galvanised iron light grade for earth strip protection including.....

.....all excavation, earth work in any type of soil, PCC pit in PCC 1:2:4 type B-1 and RCC 1:2:4, type B1 for precast chamber cover 50 mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 Kg / sqm), with charcoal, salt, funnel complete all as shown in the electrical plate No 3 of SSR part –I and testing on completion. Note : (i)Earth result after installation completely should be less than 5 Ohm . (ii)Quoted rates shall be deemed to include for earth strip with protection pipe of 7.5 M length

Material and labour for provision of earthing complete with galvanized iron earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m deep below normal ground connected to galvanised mild steel strip 32 x 6 mm by means of bolts, nuts, check nuts and washer of galvanized steel, watering pipe of 20 mm bore galvanised iron medium grade and 40 mm bore galvanised iron light grade for earth strip protection including.....

.....all excavation, earth work in any type of soil, PCC pit in PCC 1:2:4 type B-1 and RCC 1:2:4, type B1 for precast chamber cover 50 mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 Kg / sqm), with charcoal, salt, funnel complete all as shown in the electrical plate No 3 of SSR part –I and testing on completion. Note : (i)Earth result after installation completely should be less than 5 Ohm . (ii)Quoted rates shall be deemed to include for earth strip with protection pipe of 7.5 M length

Supply&Fix of weather proof bus bar chamber of suitable size made out of 3.15 mm thick CRCA sheet (out door type) and 40 x 40 x 5 mm angle iron frame with locking arrangement including provision of 04 No's of 600 mm long Aluminium bus bars of 400 Amps rated capacity mounted on insulated frames including connecting up incoming and out going cables complete with glands and lugs and chamber to be painted with two coats of aluminium paint over a coat of red oxide primer including mounting the chamber on suitable size of bolts, nuts including taking down existing unserviceable chamber of any description all as specified and directed.

Note for item No :- Bottom of bus bar chamber shall be kept 1200 mm above from natural ground level by providing PCC block masonry plinth with PCC block of mix 1:5:8 & plastering 10 mm thick in CM 1:6 including excavation & earthwork complete all as specified and directed. Quoted rate shall be deemed to include for this provision.

Supply&Fix of weather proof bus bar chamber of suitable size made out of 3.15 mm thick CRCA sheet (out door type) and 40 x 40 x 5 mm angle iron frame with locking arrangement including provision of 04 No's of 600 mm long Aluminium bus bars of 400 Amps rated capacity mounted on insulated frames including connecting up incoming and out going cables complete with glands and lugs and chamber to be painted with two coats of aluminium paint over a coat of red oxide primer including mounting the chamber on suitable size of bolts, nuts all as specified and directed.

Note for item No :- Bottom of bus bar chamber shall be kept 1200 mm above from natural ground level by providing PCC block masonry plinth with PCC block of mix 1:5:8 & plastering 10 mm thick in CM 1:6 including excavation & earthwork complete all as specified and directed. Quoted rate shall be deemed to include for this provision.

Supply and fix junction box of size 250 mm x 200 mm x 100 mm made of FRP with double stud hinged door locking, including MCB SP 06-32 amps ,'C curve '-02 N0s with DIN rail for mounting MCB including suitable connector for looping and duly sealed with rubber plugs, fixed on pole with necessary clamp, nut, bolt etc all as specified and directed.

Material & Labour for wiring with 2 run single core multistranded copper conductor cable, of size 1.5 Sqmm each, PVC insulated, sheathed, drawn through and including rigid non metallic PVC conduit with all necessary fitting and including one run single core multistranded copper conductor cable, of size 1.5 Sqmm, PVC insulated, sheathed, as earth wire, fixed from junction box to street light fittings including taking down old one complete. Note: 2 Runs of main cable, one run earth wire and rigid non metallic PVC conduit will be measured as one unit for payment

Taking down and Re-Fixing street light fitting of any size with MS clamp & GI bracket & connected accessories complete including junction box all as directed.

Supply & Fix MCCB 4 Pole, 415 V, 160 Amps with breaking capacity 36 KA with thermal magnetic protection unit.

Supply & Fix MCCB 4 Pole, 415 V, 400 Amps with breaking capacity 70 KA with thermal magnetic protection unit.

Supply, installing, testing and commisioning of LT cubical panel board 440 volts , 50 Hz , 3 phase , 4 wire , out door type weather, vermin, dust proof, front operated with adequate air ventilation at sides and back fabricated out of 3.15 mm thick CRCA sheet with double door shutter and locking arrangements cables trays cable lugs etc.including provision for taking out incoming and outgoing cables duly marked with relevetted letter plates of appropriate size for ech feeder cables danger board etc , suitable to accomodate and including the following mentioned fittings , floor mounted with PCC 1:2:4, type B1 platform of 50 cm height suitable nut bolts, washer etc. for grouting , and painting with powder coated epoxy finish of approved colour over a coat of red oxide primer with all accessories all as specified and as directed comprising the following:-

(i) Bus bar chamber consisting of four Nos copper bus bars duly sleeved of capacity of 600 Amps for phases and 300 Amps for neutral. Duly insulated with PVC sleeves RYB , mounted on heavy duty epoxy insulation in separate compartment. (ii) Multi functional digital type meter showing ampere , voltage PF phase to phase & phase to neutral . Make : secure /conserve/legrand (iii) LED type indicating lamps (RYB) with holders controlled by fuzes and swicthes . (make: siemen/L&T / Telematic)

(iv) Panel board internal wiring with suitable rated PVC insulated copper conductors. Note:- The LT panel board shall be made to suitable size to accommodate the following fittings and quotted Rate should included Excavation, earth work and pcc work,undelying fittings etc and all connected work complete include following :- (i) MCCB 500 Amps 4 pole 35 kA - 1 No (in coming) (ii) MCCB 200 Amps 4 pole 25 kA - 2 Nos (Out going) (iii) MCCB 160 Amps 4 pole 16 kA - 2 Nos (Out going)

Supply, installation, connection, testing and commissioning of outdoor type stepdown transformer converter duty type low losses as per ECBC of 315 KVA , 11/.433 KV, 3 PHASE, 50 HZ, ONAN cooled oil type transformer with corrugated on cuircuit tap links of rating +5 to -5% @ 2% by means of hand operated off load tap changing gear 393.80 KVA capacity transformer copper wound step down outdoor type 11000/433 volts (at no load) double wound oil immersed naturally ...../-

........./- cooled with external cooling tubes core type delta connected on primary on primary side (HV) and star connected on secondary side (LV) in accordance with vector symbol Dy-II (vector group) with neutral brought on secondary side (LV side) and having tapping to vary secondary voltage +/- 7.5 % to be changed the maximum temperature rise should not exceed 45 degree centrigrade in oil and 55 degree centrigrade in HV/LV winding when measured by resistance method after continuous full load run in ambient temp of 40 degree centrigrade all spcification as per IS-2026/IEC076 and BEE 5 star rating for less loss in transformer and the transformer shall be comprised with the following standard fittings :

(i) Pressure release valve

(ii) Thermometer pocket on tank cover

(iii) Oil temprature indicator with 2 contacts alarm & trip

(iv) Rating plate with terminal marking

(v) Two earthing terminals on tank and cover to facilitate fixing of GI earth strip

(vi) Oil level guage

(vii) Oil drain filter valve

(viii) Lifting lugs

(ix) Oil filter hole with cap/plug including connection complete

(x) Four plain solid cast steel detachable rollers

(xi) First fill of transformer oil confirming to relevant IS and testing upto 60 KV di-electric strength

(xii) One No cable box on LV secondary side consisting of 04 Nos porcelain bushing with bushing brass rods, nuts, washers.

(xiii) oil conservator tank

(xiv) Dehydrating breather with first filling of Dehydrating agent

(xv) Explosion vent

(xvi) Air release valve/plug

(xvii) Extra bushing for neutral outside the cable box and providing independent earthing for neutral and all connected items should be provided by the contractor all as specified and directed by Engineer-in-Charge.

Make :- BHEL/Siemens/Bharat Bijlee Ltd/ Crompton Greaves/Areva T&D India Ltd/ Schneider/ Alstom(GEC)/ABB ltd/C&S Electric Ltd/Power Ware/Oswal Transformers / ESE-NNAR TRANSFORMERS (P) LTD (BRAND) ESENNAR / Indian Transformers & Electricals.

Note :- (i) The erection, installation of transformer shall be done under the supervision of manufacturers auth rep & certificated to this office shall be submitted by contractor duly signed by auty rep of manufacturer & Engineer-in-Charge.

Supply and fixing of MCCB DB of 415 Volts, 4 way, with double door sheet metal enclosure for fixing TPN DB-VTPN as per IEC 61439-3 and reversible Door for IP 43 & 54 with 250 Amps rated copper busbar for each phase with provision of 2 neutral busbar, 2 earthbar with provision for MCCB as incomer (without MCCB ) and SP/TP MCBS as outgoing(without MCB) on flush to the wall including making thee hole in the wall and fixing thee DB including cement work and plastering complete all as directed Make: Havells Cat part DHDLVDRWGOF004 or equivalent of makes as in APPENDIX "B" NOTE:-MCCB & MCB shall be measured and paid for seperately.

Supply and fixing of MCCB DB of 415 Volts, 6 way, with double door sheet metal enclosure for fixing TPN DB-VTPN as per IEC 61439-3 and reversible Door for IP 43 & 54 with 250 Amps rated copper busbar for each phase with provision of 2 neutral busbar, 2 earthbar with provision for MCCB as incomer (without MCCB ) and SP/TP MCBS as outgoing(without MCB) on flush to the wall including making thee hole in the wall and fixing thee DB including cement work and plastering complete all as directed Make: Havells Cat part DHDLVDRWGOF004 or equivalent of makes as in APPENDIX "B" NOTE:-MCCB & MCB shall be measured and paid for seperately.

Supply and fixing MCB triple pole and neutral , 'C' Curve type capacity 63 Amps,10 KA, & 415 V.

Supply and fixing MCB single pole and neutral , 'C' Curve type capacity 20 Amps,10 KA, & 415 V.

Sukhi Electricals

Vijay Construction Co

Chamunda Kruparefrigeration