REPAIR/MAINT OF HT ELECTRIFICATION NETWORK HT CABLE HT EQUIPMENTS AND CONNECTED ITEMS AT AFS 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

Taking out / down existing unserviceable 11KV, HT UG cable from trenches/duct/ HT poles of any cross sectional area including disconnecting, including taking out PCC covers, GI Pipe etc. of any descriptions, segregation of serviceable materials viz PCC cable cover, GI Pipes, UG cables etc. and tracing the location of fault and keep in safe custody for re-use complete all as directed NOTE : (i) Earth work shall be measured and paid for separately under relevent items (ii) Serviceable cable covers, cables and GI pipes shall be kept aside for re-use

Laying only and jointing serviceable HT cable XLPE insulated with aluminium conductor of size from 95 to 185 sqmm, 3 core, 11000 volts grade in existing location complete all as directed. Note: Serviceable HT cable obtained from ser item No 2 shall be reused.

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 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 95 sqmm, 3 core, laid in trenches/cable duct complete all as specified and directed.

Supply and spreading dry sand of approved quality for cushioning of UG cable laid in trenches 8 cm deep before laying the cable and 15 cm thick after laying & streching the cable 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 HVP, type 1 with peak, 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.

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 complete all as specified and directed.

Supply and fix GI pipe light grade 100 mm bore for cable protection including all fittings laid in trenches or fixed on pole with suitable clamps complete all as specified and directed.

M&L for auguring under road, pavement, hard standing, runway lines by trenchless technology using latest boring technique and necessary machine for insertion of GI pipe of 100 mm and 80 mm bore complete all as as directed.

Returning, filling in soft/loose soil, including, spreading, levelling, watering and well ramming in layers not exc. 25 cm 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, jointing & testing cable jointing kit for 11KV (Earthed) grade cable, straight through cold 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.

Supply, jointing & testing cable jointing kit for 11KV (Earthed) grade cable, straight through cold shrinkable type joint with jointing material and accessories suitable for 50 Sqmm to 95 Sqmm 3 Core, XLPE armoured aluminium conductor cable complete all as specified and directed.

Supply, jointing & testing cable jointing kit for 11KV (Earthed) grade cable, out door end termination cold 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.

Supply, jointing & testing cable jointing kit for 11KV (Earthed) grade cable, out door end termination cold shrinkable type joint with jointing material and accessories suitable for 50 Sqmm to 95 Sqmm 3 Core, XLPE armoured aluminium conductor cable complete all as specified and directed.

Supply, jointing & testing cable jointing kit for 11KV (Earthed) grade cable, indoor end termination cold 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.

Supply, jointing & testing cable jointing kit for 11KV (Earthed) grade cable, indoor end termination cold shrinkable type joint with jointing material and accessories suitable for 50 Sqmm to 95 Sqmm 3 Core, XLPE armoured aluminium conductor cable complete all as specified and directed.

M & L for factory made precast PCC cable route indicator of size 150 x 50 x 600 mm duly engraved with letter 'LT or HT' for Under Ground cable including necessary excavation and earthwork complete all as specified and directed.

Dismantling of ACSR conductor from existing HT/LT overhead line at any position including binding wire without damaging of insulators etc. complete all as specified and directed.

Supply, stretching, fixing, testing & commissioning on HT/LT existing/new poles, ACSR conductor of any type/ size 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 HT/LT poles complete all as directed.

Material and labour for mild steel cross arms, bracing, supports, clamps and back plates fabricated from structural steel section 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 complete all as specified and directed.

Dismantling and taking down of unserviceable HT insulators any size/type/capacity and keeping aside for safe custody for further disposal complete all as specified and directed.

M&L 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 3300 volts grade complete all as specified and directed

M & L for Disc type insulator double disc insulator, porcelain vitreous 145mm high and 255mm dia ball and socket type white, brown or green one/two-in-series assembly for tension with tension clamps for conductor working pressure 11000 volts complete single disc assembly complete all as specified and directed.

M&L for painting to steel tubular swaged HT poles including cross arms, clamps and light brackets of any description after preparation of old painted surfaces with one coat of aluminium paint including marking pole No. as per existing and painting lower portion of pole in alternate layer of black and yellow shade with synthetic enamel paint up to 1.5m above coping complete all as specified and directed.

M&L for 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.

S&F 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 x 20cm for HT 11KV complete all as specified and directed.

Supply and fix in repairs lightning surge 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 complete 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 vertical 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, arcing horns of adequate section to brake magnetizing current of the transformers. All ferrous parts hot dipped galvanised and non ferrous parts heavily tinned to withstand weather including dismantling the existing unserviceable GOD complete all as specified and directed.

Supply and fix in repairs Polymer based dropout fuse unit complete set for 11 KV, HT single pole,outdoor suitable for current rating of 200 Amps including jumper connections with copper flexible designed jumper and testing and commissioning complete all as directed.

M & L for detecting carefully the fault location of HT UG cable of size 95 sq mm to 185 sq mm 3 core either HT cable fault locator machine or any other method and taking out the/remove the faulty portion of cable from undergound over all length respectively including meggering /connecting/testing on completion all as directed by Engr-in charge. Note:-(i) Excavation & earth work shall be deemed to be included in the unit rate of this item (ii) Straight throught joint for HT cable shall be measured and paid separately under respective item of this schedule (iii) Actual detected fault shall be paid under this item, Dummy located trail will not allowed or measured.

Cutting tree branches of dia 80 to 150 mm and cleaning upto 3 metre distance from conductor both side including removing the cutting branches to a distance exceeding 100mtr but not exceeding 250mtrs & depositing where directed 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 32 x 6 mm GI earth strip upto 7.5 m by means of bolts, nuts, check nuts and washers made of GI and protected by light grade 40 mm bore GI pipe connected to main control board and GI pipe medium grade 20 mm bore for watering and including funnel, wire mesh, RCC pit cover flush to earth pit 50 mm thick reinforced with 8 mm TMT bar @ 100 mm C/C and PCC chamber pit with PCC (1:3:6) type C1 (using 20 mm graded stone aggregate) including excavation and earthwork, disposal of surplus soil to a distance not exceeding 50 m) and testing after completion all as specified and shown on plate No 3 of SSR Part-I 2009 including taking down existing unserviceable earthing complete all as specified and directed.

M.S. Construction