SPECIAL REPAIR TO SHIFTING OF HIGH TENSION OH LINE(11KV) FROM MRS TO LOWER HILL SUB STN ANDALLIED WORKS AT CHAKABHAMA MIL STN

Excavation in trenches not exceeding 1.50 m wide and n.exc 1.5 m in depth for foundation of poles, cable etc, not exc 10 sqm on plan and getting out in Hard/dense soil including taking out brick protection etc complete all as specified and directed.

Excavation in trenches not exceeding 1.50 m wide and exc 1.5m and n.exc 1.5 m in depth for foundation of poles, cable etc, not exc 10 sqm on plan and getting out in Hard/dense soil including taking out brick protection etc complete all as specified and directed.

Returning filling with earth obtained from excavation including spreading watering and consolidation in layers not exceeding 25 cm thick complete all as specified and directed.

Removing surplus soil to a distance not exceeding 50 m and depositing at a level not exceeding 1.5 m above the starting point complete all as specified and directed.

M&L for sand cushioning to under ground cable in trenches in layers of 8 cm deep before laying the cable and 15cm deep after laying and stretching the cable complete all as specified and directed.

M & L Sub class 'B' bricks for protection of under ground electric cables, laid flat in trenches, abutting each other perpendicular to the direction of cable complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, Class LV, Type I, flat, size 450mm x 180mm x 40mm, for HT cable complete all as specified and directed.

M & L for PCC 1:4:8, type D-2, (using 40mm graded stone aggregate) as in foundation, filling and mass concrete for poles,transformers base etc complete all as specified and directed.

M & L for PCC 1:3:6, type C-2, (using 40mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and directed.

M & L for PCC 1:2:4, type B-1, (using 20mm graded stone aggregate) as in coping including necessary use & waste of form work complete all as specified and directed.

Dismantling of old, unserviceable HT/LT steel tubular pole / rail pole of any size with necessary demolition of concrete foundation including excavation, earth work as reqd complete all as specified and as directed.

M&L for erection and fixing of steel tubular swaged pole type 410 SP-55 (11.00 meter long) conferming to IS-2713 Part I to III 1980 with and including cast iron base plate, finial taper plug, nuts, bolts and washers etc. fread in PCC foundation duly painted. painted with two coats of Aluminium paint over a coat of red oxide primer with 30 cm of black,yellow and white paint upto 1.2 mtr including preparation of surface and including marking pole No on pole complete all as specified and directed.

M&L for erection and fixing of steel tubular swaged pole type 410 SP-31 (9.00 meter long) conferming to IS-2713 Part I to III 1980 with and including cast iron base plate, finial taper plug, nuts, bolts and washers etc. ficed in PCC foundation duly painted. painted with two coats of Aluminium paint over a coat of red oxide primer with 30 cm of black,yellow and white paint upto 1.2 mtr including preparation of surface and including marking pole No on pole complete all as specified and directed.

Supplying, laying, jointing & testing 120 sqmm 3 core XLPE insulated & PVC sheathed armoured HT cable, 11000 volts grade heavy duty with aluminium conductor laid in trenches/pipe/fixed on the wall etc complete all as specified and directed by Engineer-in-Charge.

Supplying, laying or fixing or passing through pipe, testing and commissioning XLPE insulated, steel tape / wire armoured heavy duty electric underground cable, 1100 volts grade with stranded aluminium conductor of following nominal cross sectional area :-

cross section area 95 Sqmm, 3.5 core

cross section area 120 Sqmm, 3.5 core

Dismantling of insulator of any type and size from existing poles after opening nuts, bolts and removing from site complete all as specified and directed.

M &L for Disc type insulator porcelain, viteous 145 mm high and 255 mm dia ball and socket type, 'Two-in-series' assembly for tension with tension clamps for conductors, working pressure 11 KV complete all as specified and complete all as speciied and as directed.

M &L for Pin tpye insulator, 11 KV, overall hight 240mm, and dia 240mm, with top 125 mm and neck 100 mm dia ,creepage distance 720 mm, conforming to Is-731/1971, complete all as specified and as directed.

Dismantling of existing unserviceable/undersize ACSR conductor (of any size) , jumper from overhead line, removing unserviceable materials from site of work complete all as specified and as directed.

Material and labour for Aluminum conductor steel reinforced (Rabbit type) for HT OH lines on poles and stretching the same with required span, standard sag and binding the conductor with pin/shackle insulator and jumpers with aluminum binding wire not less than 2.00mm dia, PG clamp etc complete all as specified and as directed

Dismantling undersize/defected cross-arms of M.S. channel or angle of any sections complete all as specified and as directed.

Material and labour for Cross arm 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 and inclusive of two coats of aluminium paint over a coat of zinc chrome primer complete all as specified and as directed.

Material and labour as in replacement for HT lightening arrestor expulsion suitable for 11000 Volts expulsion type complete with all fittings, transmission class, discharge capacity 65 Kilo Amps complete all as specified and directed.

Supply and fixing as in replacement for Danger notice plate of 25x20cm size and 1.6mm thick mild steel sheet, vitreous enamelled white, with letters (English & Hindi language), figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT pole complete all as specified and as directed.

Supplying, Fixing, Jointing and testing in replacement of unserviceable outdoor type heat shrinkable end termination joint suitable for 11 KV, XLPE insulated cable of size 95 Sqmm 3 Core complete material and labour including cutting the faulty outdoor end termination joint of any description and in any position complete all as specified and directed

Supplying, Fixing, Jointing and testing in replacement of unserviceable indoor type heat shrinkable end termination joint suitable for 11 KV, XLPE insulated cable of size 95 Sqmm 3 Core complete material and labour including cutting the faulty indoor end termination joint of any description and in any position complete all as specified and directed

M&L in repairs switches air break gang operated Triple pole, heavy duty, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 amps, 11000 volt complete, proper fixing on channel complete all as specified and directed.