REPAIR/MAINT OF HT EXTERNAL ELECTRICAL INSTALLATION AT ALONG MIL STN UNDER GE 872 EWS

Amount

Excavation in trenches in soft/ loose soil and getting out complete n.exc 1.5m wide and n.exc 1.5m in depth for foundation etc complete all as specified and as directed.

Returning, filling in (soil) including spreading, levelling, watering and well ramming in layers not exceeding 25 cm thick complete all as specified and as directed.

Removal of excavated material (soil) to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 m above the starting point complete all as specified and as directed.

M & L for sand filling in trenches with clean dry sand unwashed including gently pruning around cables complete all as specified and as directed.

Supply and laying un-reinforced precast concrete cable cover cass LV, Type - 2 flat size 250mm x 150mm x 40mm thick, concrete grade grade M-20 minimum complete all as specified and as directed.

Dismantling cross arms, MS channel, angle section, flat iron, MS rod etc complete all as specified and as directed.

M & L for Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed including two coats of aluminium paint over a coat of red oxide zinc chromium primer including preparation of surfaces complete all as specified and as directed.

S & F in replacement for Expulsion fuse single pole suitable for 11000 V of cap upto 25 Amp includimg taking down existing complete all as specified and as directed.

S & F in replacement of Pin type, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150 mm height, 150 mm dia for 11000 volts grade including taking down existing complete all as specified and as directed.

S & f in replacement of Disc type insulator, porcelain, vitreous 145mm high and 255mm dia ball and socket type, white, brown or green 'Two-in-series' assembly for tension with tension clamps for conductors, working pressure 11000 volts including taking down existingcomplete all as specified and as directed.

Supplying, laying, commissioning & testing HT underground cable 11000 volts grade, XLPE insulated, PVC sheathed heavy duty, armoured with multi stranded aluminium conductor all as per IS 7098(Part-I) 1998, laid in trenches, ducts, pipes or on poles, etc of the under mentioned type and sizes including taking out old unserviceable cables, protection pipes/bricks or precast concrete cable covers, etc complete all as specified and as directed. Note- Excavation and earth work returning, filling & removing of surplus measured and paid sepratly under relevent item of this schedule. (a) 95 Sqmm 3 Core

Supplying, laying, commissioning & testing HT underground cable 11000 volts grade, XLPE insulated, PVC sheathed heavy duty, armoured with multi stranded aluminium conductor all as per IS 7098(Part-I) 1998, laid in trenches, ducts, pipes or on poles, etc of the under mentioned type and sizes including taking out old unserviceable cables, protection pipes/bricks or precast concrete cable covers, etc complete all as specified and as directed. Note- Excavation and earth work returning, filling & removing of surplus measured and paid sepratly under relevent item of this schedule. (b) 120 Sqmm 3 Core

M&L for earthing complete with copper earth plate of size 600x600x3.15 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep below ground level) with top edge of the plate not less than 1.5 mtr below normal ground level connected to earth lead wire of copper strip of size 20 x 3 mm dia by means of nuts/bolts and washers, check nuts of galvanized iron or steel including 15mm dia GI pipe light grade upto 1.5 mtr below GL for protection pipe, excavation and earth work charcoal dust, common salt, PCC 1:3:6 type C-1 chamber with cover and RCC 1:2:4 type B-1 using 20mm graded stone aggregate reinforced with 6mm dia round bars @ 75mm c/c both way with MS handle 12mm dia PGI funnel and wire mesh all as shown in electrical plate No 5 of SSR Part-I connected to ear thing test point all as specified or indicated including testing on complete all as specified and as directed.

Supply and fix cable jointing kit for HT 11 KV grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 95 sqmm x 3 core complete all as specified and as directed.

Supply and fix cable jointing kit for HT 11 KV grade cable for outdoor heat shrink type end joint complete with jointing material and accessories suitable for 3 core XLPE armoured Al conductor cable of size 95 sqmm x 3 core complete all as specified and as directed.

Supply and filling new filtered and tested completely transformer oil confirming to IS 33593 ( 4 th revision ) suitable for transformer /Voltage Stabliser etc to the required level complete all as specified and as directed.

Supply and fixing breather assembly including SILICA GEL complete all as specified and directed.

M&L spray painting of transformer 11 KV/415 volts (100/200 KVA) indoor/outdoor type including cleaning, scraping of exposed surfaces and painting with single coat of synthetic enamel paint with shade as approved including writing MES number and machine number with black paint, letters 15mm wide and 50mm long complete all as specified and directed.

M&L spray painting of transformer 11 KV/415 volts (400 KVA) indoor/outdoor type including cleaning, scraping of exposed surfaces and painting with single coat of synthetic enamel paint with shade as approved including writing MES number and machine number with black paint, letters 15mm wide and 50mm long complete all as specified and directed.

Filtreration and centrifusing of transformer oil for improvement of die - electric strength of Transformer 11KV/415Volts installed in different location at Along Mil Stn by electrally operated oil Centrifusing Machine ,to achiev die - electric strength more than 60KV at 3 mm gap for 1 minute including Transformer Oil testing machine for mearurment of die - electric strength complete all as specified and as directed.

M & L for Synthetic insulating mat suitable for HT 11KV of size 2m x 1m x 25mm thick one side plain and the other side chequered, ISI marked complete all as specified and as directed.

M & L Lightening arrester expulsion type complete with all fitting, transmission class , discharge capacity 65 kilo amp suitable for 11000 volts complete all as specified and directed

Supply and fixing anti climbing devices comprising 2.24 mm dia galvanised steel 2 strand barbed wire with 2.00 mm dia bars wrapped spirally round pole to a length of .5 to 1.0 mtr clamped and properly secured or as ordered complete all as specified and as directed.

Supply and fixing of Air break gang operated switch triple pole mechanically operated out door with all fitting/ accessories mounted on and including 11 KV porcelain insulator and steel channel frame GI operating rod 25 mm dia of suitable length with operating mechanism worked from ground level vertically or horizontal operated as per site requirement including locking arrangement for operating handle complete suitable for current rating 200 Amps 11 KV working pressure with 15 Insulators complete all as specified and as directed.

M & L for Repair to earth pit & earth pit cover of instalation by using PCC 1:2:4 and plastering in CM 1:3 complete incl excavation returning and removal etc.all as directed by Engr-in charge.

M/s HALDER ENTERPRISE

STANDARD ELECTRIC WINDERS