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 hard / dense soil including taking out old bricks complete all as specified and directed by Engineer-in-charge . Note:- (I)Old unservicable bricks shall be sold to contractor under Sch of credit. (ii) Serviceable brickss stacked for reuse.

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 directed by Engineer-in-charge

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 directed by Engineer-in-charge

Material and labour sand cushioning using dry clean sand (Tibba Sand) for protection of underground cable, consolidated and compacted complete all as specified and directed by Engineer-in-charge

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

Laying only serviceable old bricks retrieved from item No 1 above

Taking out following defective cable XLPE/PVC sheathed 1100 volt grade heavy duty armoured with aluminium conductor of any Cross sectional area 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 brick/tile as cable protection, 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 here-in-before but Cross sectional area 16 sq mm, 4 core

All as per description of item No. 8.00 here-in-before but Cross sectional area 25 sq mm, 4 core.

All as per description of item No. 8.00 here-in-before but Cross sectional area 35 sq mm, 3.5 core

All as per description of item No. 8.00 here-in-before but Cross sectional area 50 sq mm, 3.5 core .

All as per description of item No. 8.00 here-in-before but Cross sectional area 70 sq mm, 3.5 core

All as per description of item No. 8.00 here-in-before 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 by Engineer-in-charge 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 here-in-before but Cross sectional area 16 sq mm, 4 core

All as per description of item No. 15.00 here-in-before but Cross sectional area 25 sq mm, 4 core.

All as per description of item No.15.00 here-in-before but Cross sectional area 35 sq mm, 3.5 core

All as per description of item No.15.00 here-in-before but Cross sectional area 50 sq mm, 3.5 core .

All as per description of item No.15.00 here-in-before but Cross sectional area 70 sq mm, 3.5 core

All as per description of item No.15.00 here-in-before but Cross sectional area 95 sq mm, 3.5 core

All as per description of item No.15.00 here-in-before but Cross sectional area 150 sq mm, 3.5 core

Supply and fix as in repairs LT cable route marker / LT cable joint marker made of Jodhpur stone 250mm x 150mm size, 900mm long, with top of oval shaped, two sides engraved with letters 'LT cable', letters painted with approved paint, embedded in ground including necessary excavation and earthwork complete all as specified and directed .

M&L for bus bar chamber cubical inclined top out door type made out of 3 mm thick MS sheet of size 450 x 300 x 200 mm including aluminum busbar fixed vertically in chamber of capacity 300 Amps for phase and 150 amps neutral for incoming and out going. The panel shall be suitable for 415 volts, 50 Hz, 3 phase 4 wire system (suitable for 01 incomer and 02 outgoing ) and all as specified and directed by Engineer-in-charge Note :- (i) Earth work, PCC work and MS works shall be included in the unit qouted rate . (ii) Cable gland of brass for different size of cable as per requirement for incoming and outgoing cable

Supply and fixing Vertical TPN DB double door suitable for fixing 125 amp MCCB, IP 45 protection with powder coated enclosure 4 way insulated busbar assemblyo rating 200 Amps including MCCB 4 pole, 415 V, 100 A, 16 kA - 01 No complete all as specified and directed.

Supply and fix in repair 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 primer complete all as specified and directed by Engineer-in-charge.

Supply and fix in repair on load change over switch of capacity 160 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 primer complete all as specified and directed by Engineer-in-charge.

Supply , install , testing and commissioning of junction box fabricated out of 3.15 mm thick CRCA sheet steel canopy at the top shall be provided . The junction box to be fix on the ground with PCC platform as per manufacturer recommendation .the junction box shall be of totally enclosed cubical type with IP-54 protection . The junction box should have hinged doors and locking arrangement at the rear and front . The junction box should be suitable for three phase 4-wire 415V, 50 cycles AC . The junction box should be treated with rust protection such as degreasing and painted with 2 coat of red oxide primer & standard colour . Knock out gland plates as applicable shall be provided in the junction box for incoming and outgoing cables . Bus Bars : TPN 300 Amp aluminium bus bar E91 grade , 1100 volts grade duly covered with heat shrinkable sleeves colour coded and bus bar insulators as per requirement . Adequate space inside the box shall be provided for bus bar & cable alley to accomodate the incoming and outgoing cables in a proper manner .All power connection shall be secured adequately with proper size of lugs. The Size of junction box shall be such as to accommodate the following : (i) MCCB 200 A, 4 Pole, 16 KA with adjustable electronic release (with release range 300-400A) -01 No (ii)TPN 300 Amp aluminium bus bar E91 grade , 1100 volts of size 30mm x 10 mm with suitable rating connector for cable termination and bus bar insulator as per requirement (suitable for three outgoing ) . (iii) Cable gland of brass for different size of cable as per requirement for incoming and outgoing cable

M&L boring of road crossing of size 100 mm dia at suitable depth not lss than 1 mtr by using machinery / equipments complete without damaging the surface for passing pipes / cables etc 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 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 passing 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 .

Material and labour 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 50 sq mm x 3.5 / 4 core 1100 volt grade at site (technical / domestic area) complete all as specified and directed by Engineer - in - Charge.. for the following sizes:- Make: Raychem / Denson/ M-seal.

All as per description of serial item No. 31.0 here in before but size from 70 sq mm to 150 Sqmm x 3.5 core

All as per description of serial item No. 31.0 here in before but size from 185 sq mm to 300 Sqmm x 3.5 core

Material and labour End cable joint kit (Indoor/outdoor) 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 upto 150 sq mm x 3.5 core 1100 volt grade at site (technical / domestic area) complete all as specified and directed .

All as per description of serial item No. 34.00 here in before but size from 185 Sqmm to 300 Sq mm x 3.5 core

Material and labour for boring in soft/ loose soil at a deapth not less than 1.5 metre under road/PTT/pavement/ Hard standing etc by usingof ultra sounding technique and mechinery equipments suitable for and including laying HDPE pipe nominal outer dia 150 mm PE 80 PN- 6 ISI marked all as per IS 4984/2016 including fittings complete without damaging the surface complete all as specified and directed by Engineer in charge Note :- (i) Location of boring holes shall be decide by the Enginer- 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 type of soil. Tender is hereby advised to keep in mind this aspect while quoting his rates.

RAJENDER ENTERPRISES