SPECIAL REPAIR TO OVERHEAD ELECTRICAL LINE INCLUDING UG LINE FROM 33 KV MRS TO SITE C AT AF BORJHAR

Amount

SCHEDULE 'A' PART-I (B/R PORTION)

Excavating in trenches n exc 1.5m wide and n exc 1.5m deep and getting out in soft / loose soil complete all as specified and directed.

Excavating in trenches n exc 1.5m wide and depth beyond 1.5m but not exc 3.00m and getting out in soft / loose soil complete all as specified and directed.

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

Removing excavated materials (soils) to a distance not exc 50.00 mtr and depositing where directed at a level not exc 1.50 mtr above the starting point , complete all as specified and as directed.

Supply and spreading dry sand of approved quality for cushioning of UG cable laid in trenches complete all as specified and directed. (NOTE : For the purpose of Payment, Punned thickness of Sand Cushioning only shall be Measured and Paid for).

Supply and laying factory made un-reinforced precast concrete cable cover, class HV, type 1, flat, size 300mm x 180mm x 40mm complete all as specified and directed.

Laying only old serviceable PCC cable cover in trenches for under ground cable protection complete all as specified and directed. (Note:Old serviceable PCC cable cover obtained from taking down of cable shall be reused)

Dismantling of ACSR conductor from existing position on HT electric poles complete all as specified and directed.

Supply, stretching, fixing, testing and commissioning on existing/new HT electric poles, ACSR conductor of any type/ size suitable for HT overhead line such as Ferret/Dog including fixing to insulators with binding wire complete all as specified and directed.

Dismantling and taking down unserviceable MS cross arms bracings and supports, clamps, nut, bolts on existing HT poles complete all as directed.

Material and labour for mild steel cross arms, bracing, supports, clamps and back plates fabricated from structural steel section conforming to Fe-290(Gde E-165) including nuts,bolts, washers,welding,bending cold or hot , drilling holes for bolts in any shape/size as directed including painting with two coats of synthetic enamel paint of approved colour over a coat of red oxide primer including preparation of surfaces complete all as specified and directed.

Dismantling & taking out concrete HT pole of 11 mtr height including all acessories including dismantling of PCC and making good disturbed surfaces complete all as specified and directed.

Supply & errect truly vertical prestressed concrete pole, 11.0 metres long, 152mmx152mm at top and 152mmx260mm at bottom, class 9 embedded in PCC foundation complete all as specified and directed. (Note: Earth work and PCC in foundation/ coping shall be measured and paid for seperately)

Supply & fix danger notice plate of 1.6 mm thick mild steel sheet, vitreous enameled white with letter, figures and conventional skull & bones in signal red colour & fixed with MS clamps, bolts, nuts, of size 25 cmx 20cm for HT 11KV complete all as specified and directed.

Dismantling and taking down insulators any size/type/capacity at any position complete all directed.

Material and labour pin type porcelain insulator of size 150mm height, 150 mm dia, vitreous, white, brown or green including one galvanized mild steel spindle, two galvanized iron washer and one galvanized iron nut for 11000 volts grade complete all as specified as directed

Material and labour Disc type insulator , porcelain vitreous 145mm high and 255mm dia ball and socket type white, brown or green single disc assembly for tension with tension clamps for conductor working pressure 11000 volts complete complete all as specified and directed.

Material and labour loop type insulator , porcelain vitreous large size, with overall dimensions 90mmx140mm, clearance of hole 25.5mm white, brown or green complete complete all as specified and directed.

Supply and fix in repairs lightning arrestors, expulsion type complete with all fittings such as bolts, nuts, washers etc having transmission class, discharge capacity 65 kilo amp suitable for 11000 volts all as specified and directed.

Material and labour cardles, hexagonal/ rectangular, fabricated with galvanised steel wire 3.15 or 4mm dia complete all as specified and directed.

Material and labour anti-climbing device, spikes type fabricated out of MS. bars (round, square and flat) including nuts, bolts, washers and welding in two halves made to shape to suit the cross-section of the pole complete all as specified and directed.

Dismantling stay assembly complete including demolition of concrete and making good disturbed surfaces complete all as specified and directed.

Taking out old unserviceable 11KV, HT UG cable from existing trenches/duct/ HT poles of any cross sectional area including disconnecting, PCC covers, GI Pipe etc. of any descriptions, segregation of serviceable materials viz PCC cable cover, GI Pipes, UG cables etc. and keep in safe custody for re-use including necessary excavation and earth work complete all as specified and directed NOTE : Serviceable cable covers, cables and GI pipes shall be kept aside for re-use as directed by the engineer-in charge.

Material and labour stay assembly with diameter of stay rod 20mm complete with accessories as shown in electrical plate No 1 of SSR part-I-2009 complete (loop type insulator, stay clamps, excavation and concrete shall be measured and paid for seperately) all as specified and directed.

Supply, install, testing and commissioning of 11KV outdoor type Polymer based gang operated air brake switch, triple pole, suitable for verticle mounting complete with explusion fuses, GI operating rod of suitable length for operating mechanism worked from ground level complete in both OFF and ON positions, for current rating upto 200 Amps, each pole consist of galvanised steel base HT insulators as per BSS / ISS non ferrous knife and spring loaded contacts, bracing horns of adequate section to brake magnetizing current of the transformers. All ferrous parts hot dipped galvanised and non ferrous parts heavelly tinned to withstand weather including dismantling the existing unserviceable GOD complete all as specified and directed.

Supply, laying, jointing and testing of electric power cable, heavy duty 11KV (E) grade, XLPE insulated, screened, bedded, galvanised steel strip or wire armoured with aluminium conductor of cross sectional area of 185 sqmm, 3 core, laid in trenches/cable duct complete all as specified and as directed.

Supply and fix GI pipe light grade 80 mm bore for cable protection including all fittings laid in trenches or fixed on pole with suitable clamps including sealing ends of pipe with suitable bituminious wedge complete all as specified and directed.

Material and labour for cable jointing kit for 11KV (Earthed) grade cable, straight through heat shrinkable type joint with jointing material and accessories suitable for 120 Sqmm to 185 Sqmm 3 Core, XLPE armoured aluminium conductor cable complete all as specified and directed.

Material and labour precast cement concrete cable route indicator of size 150 x 50 x 600 mm for Under Ground cable embeded in ground enroute of cable duly engraved with cable type including necessary excavation and earthwork complete all as directed.

Material and labour for PCC (1:3:6) type C2 (using 40mm graded crushed stone aggregate) as in foundation filling and mass concrete complete all as specified and directed.

Material and labour for PCC (1:2:4) type B1 (using 20 mm graded crushed stone aggregates) as in coping including necessary formwork finished even and smooth without using extra cement complete all as specified and directed.

Earthing complete with GI earth plate electrode of size 60 cm x 60 cm x 6 mm thick buried directly in ground vertically at a depth not less than 2.25 m below normal ground level with top edge of earth plate at a depth not less than 1.5 m below normal ground level surrounded from all sides by 15 cm thick and packed layer of charcoal dust and common salt filled in alternate layers etc and connected to and including 4mm dia GI earthing lead upto 7.5 m by means of bolts, nuts, check nuts and washers made of GI and protected by light grade 15 mm bore GI pipe connected to main control board and GI pipe medium grade 20 mm bore for watering and including funnel, wire mesh, charcoal, salt etc RCC pit cover flush to earth pit 50 mm thick reinforced with 8 mm dia TMT bar 100 mm C/C and PCC chamber pit with PCC (1:3:6) type C1 (using 20 mm graded aggregate) including excavation and earthwork disposal of surplus soil to distance not exceeding 50 m) and testing after completion including taking down old unserviceable earthing all as specified and shown on plate No 3 of SSR Part-I 2009

M/S. SUBHAS CONSTRUCTION CO.

M/s Nice Traders