CERTAIN REPAIRS REPLACMENT TO LT DISTRIBUTION CABLES LIGHTENING PROTECTION EARTHING PITS AND LT DISTRIBUTION SYSTEM WITH CONNECTED ITEMS IN DOMESTIC AREA AT AF STATION LEH UNDER GE AF LEH

Amount

Excavation in trenches not exc 1.5m wide and and not exc. 1.5m depth wide in any type of soil for laying electric cables/pipes etc including getting out excavated earth and trimming the sides and bottoms of trenches , complete all as specificed and directed by Engineer-in-Charge.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick each, excavated soil in trenches after the cables have been laid and tested, complete all as specified and directed by Engineer-in-Charge.

Removing excavated soil to a distance not exceeding 50 meter and depositing where directed at a level not exceeding 1.50 meter above the starting point , complete all as specified and directed by Engineer-in-Charge.

Sand cushioning to under ground cable with clean dry sand locally available with layer of sand 8cm thick before laying of cable and 15 cm after laying of cable, complete all as specified and directed by Engineer-in-Charge. Note- For payment purpose punned thickness of 18 cm shall be measured against spread thickness of 23 cm as mentioned in para 19.75 of SSR Part-I.

Factory made unreinforced precast concrete cable cover LV type-1, flat, of size 250x150x40mm, laid flat and dry in trenches over the cable for protection, length perpendicular to the direction of cable adjacent to each other in and including taking down old unservicable cable cover, complete all as specificed and directed by Engineer-in-Charge.

LT under ground electric power cable crossed linked polyethylene ( XLPE) insulated, galvanised steel strip or wire armoured, ISI-7098 Marked, with aluminium conductor multi stranded , heavy duty 1100 Volts grade of size 120 sqmm cross sectional area, 3.5 core ,laid in trenches/ laid under floor or fixed naked with walls / on poles/ in ducts /in GI pipes etc. with and including MS Clamps, nuts , bolts, washers including jointing and testing complete and taking out unserviceable cable , complete all as specified and directed by Engineer-in- Charge. Note : Excavation, earth work, sand cushioning, protection bricks/ tiles/ block and pipe shall be measured and paid separately under appropriate items.

All as per item No 6 here-in-beforee but size 95 sqmm 3.5 core.

All as per item No 6 here-in-beforee but size 50 Sqmm 3.5 core

All as per item No 6 here-in-beforee but size 25 sqmm 4 core.

All as per item No 6 here-in-beforee but size 16 sqmm 4 core.

All as per item No 6 here-in-beforee but size 10 Sqmm 2 core.

Mild steel galvanized tubes light grade ISI marked 80mm bore laid in trenches / road crossing/ fixed to pole /walls/path/drain /floor etc in and including taking down old unservicable G I pipe ,compllete all as specified and as directed by Engineer-in-Charge.

Mild steel galvanized tubes light grade ISI marked 50mm bore laid in trenches / road crossing/ fixed to pole /walls/path/drain /floor etc in and including taking down old unservicable G I pipe ,compllete all as specified and as directed by Engineer-in-Charge.

Mild steel galvanized tubes light grade ISI marked 40mm bore laid in trenches / road crossing/ fixed to pole /walls/path/drain /floor etc in and including taking down old unservicable G I pipe ,compllete all as specified and as directed by Engineer-in-Charge.

Cable jointing kit for 1.1 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 4 core XLPE, armoured, Al conductor cable of size 25 Sqmm, complete all as specified and directed by Engineer-in-Charge.

Cable jointing kit for 1.1 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 35 Sqmm, complete all as specified and directed by Engineer-in-Charge.

Cable jointing kit for 1.1 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 50 Sqmm, complete all as specified and directed by Engineer-in-Charge.

Cable jointing kit for 1.1 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 70 Sqmm, complete all as specified and directed by Engineer-in-Charge.

Cable jointing kit for 1.1 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 95 Sqmm, complete all as specified and directed by Engineer-in-Charge.

Cable jointing kit for 1.1 KV grade cable straight through joints (tubular sleeve version) , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 25/50 Sqmm , complete all as specified and directed by Engineer-in-Charge.

Cable jointing kit for 1.1 KV grade cable straight through joints (tubular sleeve version) , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 70/150 Sqmm , complete all as specified and directed by Engineer-in-Charge.

Cable jointing kit for 1.1 KV grade cable straight through joints (tubular sleeve version) , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 185 Sqmm , complete all as specified and directed by Engineer-in-Charge.

Dressing of LT panels/Bus bars/Poles by excavating the cable loop, dressing of cable properly by cutting the damaged part and dressed with insulation tape, thimble, nuts, bolts and washers etc., complete all as specified and directed by Engineer-in-Charge. Note: Quoted Rates shall deemed to be inclusive of taking down the existing cables, dressing the cable properly with lugs, nuts, bolts washer etc. & refixing the same including excavation and earth work, returning filling and removal of surplus soils .

Cutting existing road/ PCC hard standing / pavement / drain for taking out / laying of underground cable and including necessary earth work and making good to match with the existing surface with PCC 1:2:4 type B-1 using 20mm graded aggregates including all excuation and earth work , complete all as specified and directed by Engineer-in- Charge. Note:- Only PCC shall be measured and paid separately.

Re-stretching of aluminium conductor any size and length complete including removing kinks and providing new binding wire /Jumper where required , complete all as specified and as directed by Engineer-in-Charge. Note : Length of each conductor to be measured separately for payment purpose.

MCCB 4 pole current rating 63 Amps 16 KA with fixed thermal and fixed magnetic setting , 415 Volts AC, 50 Hz, including connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable MCCB , complete all as specified and directed by Engineer-in-Charge.

MCCB 4 pole current rating 100 Amps 25 KA with fixed thermal and fixed magnetic setting , 415 Volts AC, 50 Hz, including connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable MCCB , complete all as specified and directed by Engineer-in-Charge.

MCCB 4 pole current rating 125 Amps 36 KA with fixed thermal and fixed magnetic setting , 415 Volts AC, 50 Hz, including connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable MCCB , complete all as specified and directed by Engineer-in-Charge.

MCCB 4 pole current rating 160 Amps 36 KA with fixed thermal and fixed magnetic setting , 415 Volts AC, 50 Hz, including connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable MCCB , complete all as specified and directed by Engineer-in-Charge.

MCCB 4 pole current rating 200 Amps 36 KA with adjustable thermal and adjustable magnetic setting , 415 Volts AC, 50 Hz, including connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable MCCB , complete all as specified and directed by Engineer-in-Charge.

MCCB 4 pole current rating 250 Amps 36 KA with adjustable thermal and adjustable magnetic setting , 415 Volts AC, 50 Hz, including connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable MCCB , complete all as specified and directed by Engineer-in-Charge.

MCCB 4 pole current rating 320/315 Amps 36 KA with adjustable thermal and adjustable magnetic setting , 415 Volts AC, 50 Hz, including connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable MCCB , complete all as specified and directed by Engineer-in-Charge.

On-load change over switch I-O-II 4 pole 415 volts 50 Hz of capacity 200 Amps including nuts bolts and washerand connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable Change over switch , complete all as specified and directed by Engineer-in-Charge.

On-load change over switch I-O-II 4 pole 415 volts 50 Hz of capacity 250 Amps including nuts bolts and washerand connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable Change over switch , complete all as specified and directed by Engineer-in-Charge.

On-load change over switch I-O-II 4 pole 415 volts 50 Hz of capacity 320 Amps including nuts bolts and washer and connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable Change over switch , complete all as specified and directed by Engineer-in-Charge.

On-load change over switch I-O-II 4 pole 415 volts 50 Hz of capacity 400 Amps including nuts bolts and washer and connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable Change over switch , complete all as specified and directed by Engineer-in-Charge.

Off-load change over switch side handle operated 4 pole 415 volts of capacity 100 Amps including nuts bolts and washer and connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable Change over switch , complete all as specified and directed by Engineer-in-Charge.

Off-load change over switch side handle operated 4 pole 415 volts of capacity 200 Amps including nuts bolts and washer and connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable Change over switch , complete all as specified and directed by Engineer-in-Charge.

Off-load change over switch side handle operated 4 pole 415 volts of capacity 400 Amps including nuts bolts and washer and connecting with existing system and cabling network and making good disturbed surfaces, testing in and including taking out unserviceable Change over switch , complete all as specified and directed by Engineer-in-Charge.

Aluminium strip 25 x 3.15 mm with saddles and fixing screws etc. for roof conductors and down conductors above ground in and including taking out unserviceable Aluminium strip , complete all as specified and directed by Engineer-in-Charge.

Copper strip of size 20 x 3.15 mm to interconnect the earth pit to equipment room including PVC shaddle as per sample approved complete all as specified and directed by Engr-in-Charge. in and including taking out unserviceable copper strip , complete all as specified and directed by Engineer-in-Charge.

Air termination single pointed aluminium rod, 12 mm dia, 300 mm long including mounting arrangment in and including taking down of old unserviceable air termination, single point of any type and size, complete all as specificed and directed by Engineer-in-Charge.

Air termination single pointed copper rod, 12 mm dia, 300 mm long including mounting arrangment in and including taking down of old unserviceable air termination, single point of any type and size, complete all as specificed and directed by Engineer-in-Charge.

Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw in and including of dismanteling of old unservicable test point bock , complete all as specified and as ditected by Engineer-in -Charge.

Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections conforming to Fe-410-S grade including necessary nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape and size as directed and including applying two coats of aluminium paint (under & finishing coats) over a coat of red oxide zinc chromate primer on exposed steel surfaces, supplied and fixed in and including dismantling of old cross arm, complete all as specified and as directed by Engineer-in-Charge.

Mild steel plates, chequered, 5mm thick Fe 410-W (Gde-E-250) quality-A cut to required shape and size including welding for existing cable duct cover at power houses in and including dismantaling of old duct cover ,complete all as specificed and directed by Engineer-in-Charge.

PVC line separator 4-way for LT over head line (ACSR Conductor) complete with locking arrangement as per sample as in replacment ,complete all as specified and as directed by Engineer-in-Charge.

Insulator Pin type, pocrcelain , vitreous, white , brown or green, insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut , 100 mm height, 65 mm dia. For 1100 volts grade in and including taking down old unservicable insulator ,compllete all as specified and as directed by Engineer-in-Charge.

Synthetic Rubber insulated mats 3 mm thick for voltage upto 3.3 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m as ijn replacement of old unservicable mat ,complete all as specificed and directed by Engineer-in-Charge.

Cutting and trimming of trees and branches to clear the over head line in the arc of HT/LT over head line feeders and removal of the trimmed branches of trees , complete all as specified and as directed by Engineer-in-Charge. Notes : (i). Any ACSR conductor damaged during the cuttings of trees / branches shall be repaired and jointed / fixed by the contractor, to the entire satisfaction of Engr-in-Charge, without any extra cost and nothing extra shall be admissible from the department on this account what-so-ever. (ii) The cutting / trimming of tree branches shall be done atleast 2.00 metre radius of OH line. (iii) The unit of measurement is 'SPAN' i.e. distance covered between two poles.

Earthing complete with galvanised steel plate earth electrode 600X600X6mm thick buried directly in ground (earth pit not less than 2.25 meter below ground level) with top edge of the plate not less than 1.5 metre below normal ground level connected to GI strip 32x6mm at two points by means of bolts and nut, check nut and washers including charcoal dust, common salt, necessary excavation in hard/dense soil, returning filling in and removal of surplus soil to a distance up to 50metres, PCC pit in 1:3:6 type CI (using 20mm grade stone aggregate) RCC 1:2:4 type B-1 (using 20mm grade stone aggregate ) 50mm thick pit cover, reinforced with 8mm dia TMT bars 75mm c/c, both ways MS handle 12mm dia, GI funnel, wire mesh and GI watering pipe of 20mm bore GI (light grade) and earth lead protection pipe 40mm bore (light grade) all as specified, directed and shown in electrical plate No 5 of SSR Part-I and testing ,including dismanteling of old unserviceable earthing , complete all as specified and as directed by Engineer-in-Charge. Note:(i) The unit rate includes earth lead and protection pipe up to maximum 7.5 metre from earth plate to earth point/test point. (ii) Earth pit shall be constructed minimum 1.00 metre away from earth.

Note : Schedule of credit to be deducted on acceptances of bid.Details of Schedule of credit is given in tender documents.

SUMEET TRADING CORPORATION

national engineering

R B TRADERS