REPAIR/ MAINT OF LT CABLE WITH OTHER CONNECTED WORKS AT AF STN NAL

Amount

Excavation in any type of soil in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for cable trenches for laying of cable / pipes etc.and getting out in soft / loose soil including taking out old bricks complete all as specified and as directed. Note:- (i) Serviceable bricks shall be stacked for reuse and Old unservicable bricks shall be sold to contractor under Sch of credit. (ii) Existing sand cushioning shall not be removed. (iii) In case different strata is met with during excavation, contractor shall not claim extra on this account.

Returning, filling in trenches including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft / loose soil complete all as specified and as directed.

Removing excavated materials to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point all as specified and as directed.

M&L for sand cushioning by using fine sand (Tibba sand ) in two layers , first layer of 80mm thick before laying of cable and second layer of 150mm thick after laying of cable (total punned depth of sand shall be 180 mm after punning down) complete all as specified and as directed. Note: Punned thickness shall be measured for payment.

Material and labour well burnt old size sub Class ‘B’ bricks, laid flat, in trenches for cable protection complete all as specified and as directed.

All as per description of item No. 5.00 above but except bricks. Note:- Old servicable bricks retrived vide item No. 1 shall be re-used.

Taking out defective cable XLPE/PVC sheathed 1100 volt grade heavy duty armoured with aluminium conductor Cross sectional area 10 Sqmm, 4 core from trenches, from wall/poles/under floor etc, shifting serviceable cable for relaying or removing the unserviceable cable complete all as specified and directed. Note : (i) Excavation and earth work shall be measured and paid for separately (ii) Unit rate of this item is also includes the removal of GI pipe and cable joint etc. and nothing extra shall be admissible on this account. (iii) After taking out the cables from the trench, serviceability of cable shall be checked by the contractor in presence of the Engr-in-Charge and nothing extra shall be paid on this account.

Laying only XLPE insulated, armoured, heavy duty, 1100 Volts grade aluminium conductor cable Cross sectional area 10 Sqmm, 4 core in trenches or fixed to wall /passing through pipe / pole and testing complete all as specified and directed. Note : (i) Excavation & earth work, Brick protection and sand cushining shall be measured and paid for separately, (ii) Old serviceable cable obtained by taking out shall be re-used.

All as per description of item No. 8.00 above but Cross sectional area 16 sq mm, 4 core

All as per description of item No. 8.00 above but Cross sectional area 25 sq mm, 4 core.

All as per description of item No. 8.00 above but Cross sectional area 35 sq mm, 3.5 core

All as per description of item No. 8.00 above but Cross sectional area 50 sq mm, 3.5 core .

All as per description of item No. 8.00 above but Cross sectional area 70 sq mm, 3.5 core

All as per description of item No. 8.00 above but Cross sectional area 95 sq mm, 3.5 core

Supply and laying XLPE insulated, armoured, heavy duty, 1100 Volts grade aluminium conductor cable Cross sectional area 10 Sqmm, 4 core in trenches or fixed to wall / passing through pipe / pole and testing compete all as specified and directed Note : (i) Excavation & earth work, Brick protection and sand cushining shall be measured and paid for separately,

All as per description of item No. 15.00 above but Cross sectional area 16 sq mm, 4 core

All as per description of item No. 15.00 above but Cross sectional area 25 sq mm, 4 core.

All as per description of item No. 15.00 above but Cross sectional area 35 sq mm, 3.5 core

All as per description of item No. 15.00 above but Cross sectional area 50 sq mm, 3.5 core .

All as per description of item No. 15.00 above but Cross sectional area 70 sq mm, 3.5 core

All as per description of item No. 15.00 above but Cross sectional area 95 sq mm, 3.5 core

All as per description of item No. 15.00 above but Cross sectional area 150 sq mm, 3.5 core

S&F as in repairs LT Cable route indicator / cable joint marker made with Jodhpur stone of size 250 mm width x 150 mm depth x 900mm height size with top oval shaped, engraved with letters 'LT cable', letters painted with approved colour, embedded in ground including necessary excavation and earthwork all as specified and directed.

S&F bus bar chamber cubical inclined top out door type made out of 3 mm thick MS sheet of size 450mm x 300mm x 200 mm including aluminum busbar of capacity 200 Amps for each phase and 100 amps for neutral for incoming and out going. The panel shall be suitable for 415 volts, 50 Hz, 3 phase 4 wire system all as specified and directed. Note :- All other necessary arrangements for fixing of bus bar chamber ie earth work, PCC work and MS work for legs/holding of chamber shall deemed to be included in the unit rate quoted.

Supply and fixing sheet metal enclosure with powder coated Vertical TPN DB double door suitable for fixing 100 amp MCCB, IP 45 protection4 way insulated busbar assembly rating 200 Amps including MCCB 4 pole, 415 V, 100 A, 16 kA - 01 No complete all as specified and directed.

Supply and fixing as in repairs on load change over switch of capacity 100 Amp 415 volts 50 Hz for perimeter light including fixing in angle iron frame and with and incl two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Supply and fixing as in repairs on load change over switch of capacity 150 Amp 415 volts 50 Hz for perimeter light including fixing in angle iron frame and with and incl two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Supply and fix in replacement MCCB, 63 Amps, 4 pole, 415 Volts, rupturing capacity not less than 16 KA, Icu=100% with built in protection function for overload, short circuit and double break fast tripping mechanism complete with spreader link including thimbles, nuts, bolts, washers etc. making including incoming and outgoing connection complete all as specified and directed by Engineer - in - Charge.

Supply and fix in replacement MCCB, 100 Amps, 4 pole, 415 Volts, rupturing capacity not less than 16 KA, Icu=100% with built in protection function for overload, short circuit and double break fast tripping mechanism complete with spreader link including thimbles, nuts, bolts, washers etc. making including incoming and outgoing connection complete all as specified and directed by Engineer - in - Charge.

Supply and fix in replacement MCCB, 125 Amps, 4 pole, 415 Volts, rupturing capacity not less than 16 KA, Icu=100% with built in protection function for overload, short circuit and double break fast tripping mechanism complete with spreader link including thimbles, nuts, bolts, washers etc. making including incoming and outgoing connection complete all as specified and directed by Engineer - in - Charge.

S&F in replacement MCCB, 160 Amps, 4 pole, 415 Volts, rupturing capacity not less than 16 KA, Icu=100% with built in protection function for overload, short circuit and double break fast tripping mechanism complete with spreader link including thimbles, nuts, bolts, washers etc. making including incoming and outgoing connection complete all as specified and directed by Engineer - in - Charge.

Supply and fix in replacement MCCB, 200 Amps, 4 pole, 415 Volts, rupturing capacity not less than 16 KA, Icu=100% with built in protection function for overload, short circuit and double break fast tripping mechanism complete with spreader link including thimbles, nuts, bolts, washers etc. making including incoming and outgoing connection complete all as specified and directed by Engineer - in - Charge.

Supply and fix in replacement MCCB, 250 Amps, 4 pole, 415 Volts, rupturing capacity not less than 16 KA, Icu=100% with built in protection function for overload, short circuit and double break fast tripping mechanism complete with spreader link including thimbles, nuts, bolts, washers etc. making including incoming and outgoing connection complete all as specified and directed by Engineer - in - Charge.

M&L boring of road crossing of size 100mm bore at a depth not less than 1.00 metre by using machinery / equipments for passing pipes / cables etc. complete without damaging the surface including removing excavated soil to a distance n exc 50m complete all as specified and as directed. Note : (i) Location of boring holes shall be decided by the Engr-in-Charge as per requirement, nothing extra shall be payable on account of variation in length of crossing of road etc. (ii) During boring soil strata may be changed, hence nothing extra shall be paid to the contractor for boring of holes through different strata/different type of soil. Tenderer/bidder is hereby advised to keep in mind this aspect while quoting his rates.

Supplying and laying as in repairs 80 mm bore GI tubing light grade incl all accessories for pssing of cables for mechanical proctection, laid under Plinth / Floors/ Paths Culverts or fixed on wall or concealed in wall / floor or along poles or as street light poles or as street light mounting bracket with complete accessories such as bends / sockets / reducers / saddles incl necessary threading / drilling works all as specified and directed. Note:- Earthwork, wherever required, shall be measured and paid for separately.

S&F straight through cable joint kit by using M-seal Kastex cable accessories based on cast resin system ie (electrical insulation, mechanical protection and moisture imperviousness to the joint) for LV PVC / XLPE cable up to 35 sq mm x 3.5 / 4 core 1100 volt grade at site (technical / domestic area) complete all as specified and directed.

All as per description of serial item No. 36.00 here in before but for size of cable 50 sq mm x 3.5 core

All as per description of serial item No. 36.00 here in before but for size of cable 70 sq mm x 3.5 core

All as per description of serial item No. 36.00 here in before but for size of cable 95 sq mm x 3.5 core

All as per description of serial item No. 36.00 here in before but for size of cable 150 sq mm x 3.5 core

Material and Labour boring in soft / loose soil at a depth not less than 1.5 metre under road / PTT / pavement / hardstanding etc by using trenchless technology with use of ultra sounding technique & machinery equipments suitable for and including supply and laying HDPE pipe nominal outer dia 80mm, PE 80, PN-6, ISI marked confirming to IS : 4984-2016 with necessary fittings and accessories complete without damaging the surface complete all as directed. Note : (i) Location of boring holes shall be decided by the Engr-in-Charge as per requirement, nothing extra shall be payable on account of variation in length of crossing of road / PTT / pavement / hardstanding etc. (ii) During boring soil strata may be changed, hence nothing extra shall be paid to the contractor for boring of holes through different strata/different type of soil. Tenderer is hereby advised to keep in mind this aspect while quoting his rates.

Supply and fix as in repairs LED bollard light 10W pressure die cast powder coated housing with PC diffuser efficient high output LED with IP 66 protection including necessary fixing arrangement with PCC foundation at site complete all as specified and as directed by Engineer-in-charge .

M/s Rohit Construction Co.

B.K. ROY & SONS