Repair and maint of electric supply at Awantipur Grn undrer GE 861 EWS

Amount

Excavation in trenches not exceeding 1.5m wide and n.exc 1.5m deep and getting out in any type of soil for laying of cable, laying of pipes, foundation of poles etc, complete all as specified and directed.

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

Removing surplus soil to a distance n.exc 50m and deposited where directed at a level not exceeding 1.50 m above the starting point, complete all as specified and directed.

Sand cushioning to underground cables 8cm thick before laying cable and 15cm thick after laying and streching the cable, complete all as specified and directed. Note :- For payment purpose punned thickness shall be measured.

Supplying and laying in replacement unreinforced precast concrete cable cover, Class HVP, Type 2 with peak, size 450mm x 180mm x 40mm, complete all as specified and directed.

S&F in replacement for Cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 Sqmm 3 core complete all as specified and directed.

S&F in replacement Straight through joints for underground cable including jointing material, accessories and labour complete for 3 core XLPE armoured Aluminum conductor cable of size 70-95 Sq mm 3 core Make- M seal / Denson , complete all as specified and directed.

S&F in replacement of XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with aluminium conductor, 11000 volts, grade cross sectional area 95 sq. mm 3 Core, complete all as specified and directed. Note: Boring of hole for passing of cable through the road will be done by contractor without any extra payment.

S&F in replacement of galvanised strip 25x4mm, burried in ground upto 50 cm depth or fixed to wall with insulators etc for loop earthing including welding for joints complete all as specified and directed.

S&F in replacement and testing gang operated air breaker switch , triple pole, mechanically operated mounted on insulators and steel frame with operating mechanism worked from ground level using heavy duty GI pipe for current rating 200 Amps , out door type (confirming to IS specifications) HT 11 KV , tripple pole with fixed contacts of phosphorous and bronze and a set of drop out HT fuse assembly , fuse carrier fitting , 12 insulator type mounted on MS channel operating rod with pad lock arrangement complete all as specified and directed.

S&F in replacement for Disc type insulator, vitreous 145 mm high and 255 mm dia ball and socket type, white, brown or green two in series assembly for tension with tension clamps for conductors working pressure 11000 volts, complete all as specified and directed.

S&F in replacement 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 and inclusive of one primer coat, one under coat and one finishing coat of paint complete all as specified and directed.

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

S&F in replacement of lightening arrestors expulsion type complete with all fittings , suitable for volts 11000V and discharge capacity 65 Kilo Amps complete all as specified and directed.

M&L Earthing complete with GI steel earth plate electrode 600x600x6mm burried directly in ground not less than 2.25 mtr deep below normal ground level with top edge of earth plate not less than 1.5mtr below normal ground level connected to the Galvanised iron strip 32x6 by means of bolts, nuts, check nuts and washers of galvanised steel all as shown on electrical plate No 3 of MES Sch 2009 Part-I connected to earthing test point and testing on completion with and including necessary excavation and earthwork, earth electrode, earthing lead from electrode to eqpt/sub stn , adequated quantity of charcoal dust and common salt, test point, PCC (1:3:6) type C-1 using 20mm graded black trap/granite/basalt stone aggregate, 40mm thick cover reinforced with 8mm dia bar 4 Nos both way with 12mm dia round bar handle, GI light grade watering pipe 20mm bore with funnel and wiremesh and 15mm dia GI light grade earth lead protection pipe up to equipments max length 7.5 mtr complete all as specified and directed including dismantling old unserviceable. Note: On testing after completion if the desired resistance is not obtained the contrator shall redo the earthing without any extra cost to the department .

M&L in replacement GI tubing light grade 80 mm dia with all fittings laid in trenches or fixed on wall along pole for protection of electric cable complete all as specified and directed.

Supply and laying in replacement synthetic Rubber insulated mats 2.5 mm thick for voltage upto 11 kv for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety of sizes 2m x 1m complete all as specified and directed .

M&L Filtration of transformer oil of transformers step down 11KV / 0-433 V indoor/outdoor type installed at different sub stations/locations using filtration and heating equipment at site or in workshop by re-circulating transformer oil heating, dehydration and improving di-electric strength of the oil to withstand 45 KV When tested at 2.5mm gap including testing of oil as specified and directed. Note : Tools/ Plants,Transformer oil test kit shall be provided by the contractor at site for testing of oil.

M&L Filling in, with new transformer oil low viscosity of approved make as per IS-335 of 1993 and die-electric strength 45 KV when tested at 2.5mm gap complete all as specified and directed. Note:- The contractor has to submit the certificate from IS approved lab for desired value of dieelectric strength.

S&F in replacement breather assembly CI body of standard size filled with silica gel of transformer up to 200 KVA complete with nuts, bolts and washers complete all as specified and directed.

M&L for Strip opening of transformer and removing the top cover for draining the transformer oil and taking out the core alongwith HT/LT coil (windings) assembling the core after replacement of HT/LT coils heating varnishing, testing and housing accessories in transformer body and connection up filling in dehydrated new transformer oil and connecting, commissioning with existing electrical system HT/LT on load of capacity not exceeding 200 KVA including Testing down and refixing complete all as specified and directed. Note :- Transformer oil will be measured and paid seperately.

Taking down carefully and reinstallation of transformer step down 11KV/ 415 Volts complete outdoor/indoor capacity upto 250 KVA including transportation to the workshop and back at existing site complete all as specified and directed.

M&L for Winding of HT/LT coil of different type, capacity and make of transformer with approved quality supper enameled copper wire/ strips of approved make of Existing gauge and number of turns alongwith allied materials like cork sheet, fibre glass insulations, paper insulations, cotton/ Empire tape and tube wooden blocks bolts, nuts and washer (Brass) soldering and other packing material etc. complete all as required at site or directed.

M&L for replacement of HT Bushes porcelain, vitreous with brass spindle, threaded with washer, nuts, lock and rubber seal suitable for transformer of capacity up to 250 KVA complete all as specified and directed.

M&L for replacement of LT bushes porcelain 11KVA vitreous with brass spindle threaded with washers nuts, and rubber seal for indoor/outdoor transformer of capacity not exceeding 250 KVA complete all as specified and directed.

M&L for replacement of top gasket made of 3mm thick cork sheet with suitable holes including providing suitable size of bolts, nuts and washer for transformer top cover complete for any transformer of capacity upto 200 KVA all as specified and directed.

M&L for scraping the old painted surfaces ,removing dust and other deposited materials by scraping from HT tubular pole of up to 11 Mtr long, painting of pole with one coat of aluminium paint up to 1 Mtr from bottom and painting the rest of the pole using synthetic enamel paint including cross arms, cable protection pipe, clamps , complete all as specified and directed.

Taking out from trenches/poles/wall etc HT underground Cable PVC insulated sheathed with multistranded aluminium conductor armoured and relaying after fault rectification duly tested in trenches/Poles/Wall of HT underground Cable of any sizes including Earth work complete all as specified and directed.

M&L of arrangement of stand by transformer of capacity upto 250 KVA as existing transformer during the break down of any existing transformer installation and handling lifting & dismantling of Angle frame/plinth etc & same re-fixing at new location rate inclusive of necessary transportation, loading and unloading and T&P items as required at site complete all as specified and directed.

M&L for Shifting of transformer of capacity upto 250 KVA of any make from existing location to new location with carefuly handling lifting & dismantling of Angle frame/plinth etc & same re-fixing at new location rate including of necessary transportation, loading and unloading and T&P items as required at site complete all as specified and directed. Note : During Shifting any type of damage to parts will be made good by the contractor without any extra cost.

Notes :- An amount of Rs. 1,12,065.00 on account of Credit Schedule for Schedule 'A' Part-II shall be deducted from total quoted amount of BOQ to arrive at the contract sum.

M/S AK ENTERPRISES (BID ID -3241306)