REPAIR AND MAINT OF HT DISTRIBUTION SYSTEM AND ALLIED WORKS AT KHUNDRU UNDER GE 861 EWS

Amount

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr in depth and getting out in soft / loose soil for laying cables / pipes / poles etc, complete all as specified and directed.

Excavation in trenches beyond 1.5 mtr wide and not exc 3 mtr deep and getting out in soft / loose soil for laying of cables/ poles etc, complete all as specified and directed.

Removing excavated material (soil) to a distance upto 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point, 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.

M&L for dry river sand, laid in trenches for cable protection, as 15cm thick below the cable and 8cm thick above the cable, complete all as specified and directed. Note :- Punned thickness of sand shall be measured & paid.

Supply and laying in replacement reinforced precast concrete cable cover, Class HV, type 2, flat of size 450mm x 180mm x 40mm, complete all as specified and directed.

M&L for Plain cement concrete 1:4:8, type D-2 (using 40mm graded crushed stone aggregates) as in foundation, filling in and mass concrete of pole etc, complete all as specified and directed.

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

M&L for Plain cement concrete 1:2:4, type B-1 (using 20mm graded crushed stone aggregates) as in stay filling or pole coping etc including necessary formwork for rough finished surfaces, complete all specified and directed.

M&L for 80mm bore GI tubing light grade, laid in trenches or fixed on wall/ alongwith pole with suitable MS clamps made of flat iron 50x6mm thick for protection of electric cable, complete all as specified and directed.

Supply and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cable (heavy duty) with aluminium conductor, 11000 volts grade, cross sectional area 95 Sqmm 3 Core, laid in trenches, ducked, passing through pipe, fixed to poles and including taking up/ down existing unsv cable, complete all as specified and directed.

Supply, installation and erection in vertical position steel tubular swaged poles, type 410, SP-55 (11 meters long) with 300x300x6mm mild steel base plate continuously welded to pole, MS plate 3mm thick finial taper plug, bolts, nuts and screws, complete all as specified including factory painted with two coats of black bituminous paint internally through out and externally for embedded portion and applying two coats of aluminium paint over a coat of red oxide zinc chrome primer on remaining exposed surfaces and making alternate black and white strips of 30cm high with super enameled paint over a coat of red oxide zinc chrome primer upto 1.5 mtrs height from ground level / coping after erecting and including taking up/ down old unsv RCC pole, complete all as specified and directed. Note :- Excavation, PCC for foundation and earth work shall be measured and paid separately.

S&F in replacement of overhead ACSR conductor to HT overhead lines on existing poles with XLPE insulated AB cable 3 core x 95 Sqmm phase cores twisted around aluminium alloy insulated messenger conductor conforming to IS : 14255 including indentification of phase by ridges provided on the insulation of phase conductors 1 ridge for the 1st phase, 2 ridges for the 2nd phase and 3 ridges for the 3rd phase including accessories like Anchor Clamp, Suspension Clamp, Line connector, service clamp, insulation piercing connectors, (IPC for tap from bare lines) dead end, suspension clamp, I hook etc, complete all as specified and directed.

Supply, fixing, jointing and connecting aluminium conductor steel reinforecement and proper binding wires etc including taking dwon old unserviceable ACSR, complete all as specified and directed.

S&F in replacement of 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 coats of aluminium paint over a coat of red oxide primer, complete all as specified and directed.

S&F for straight through joints for underground cable including jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 Sqmm to 95 Sqmm, complete all as specified and directed.

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

S&F 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 sqmm to 95 Sqmm, complete all as specified and directed.

Supplying, fixing and testing gang operated air breaker switch (GOD), tripple 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, outdoor 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 Expulsion type drop out fuse with all accessories and contact insulator etc fixed on HT pole rating upto 25 Amps, suitable for 11 KV 3 Pole with two Nos insulators per pole including dismantling old unserviceable one, complete all as specified and directed.

S&F Pin type insulator, porcelain, vitreous, white brown including one galvanised mild steel spindle, two galvanised iron washer and one galvanised iron nut ,150mm dia and 150mm height for 11000 volts grade including taking down old unserviceable insulators, complete all as specified and directed.

S&F Disc type porcelain insulator 145mm height and 255mm dia ball and socket type, white, brown or green single disc assembly for tension with tension clamps for conductors working pressure 11 KV volts grade including taking down old unserviceable insulator. complete all as specified and directed.

S&F loop type porcelain vitreous white brown or green insulator with over all dimension 90x140mm clearance of hole 25.5mm including taking down old unserviceable insulator, complete all specified and directed.

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

M&L for ground HT cable route indicator, made out of GI plate 3mm thick and 6 inches dia duly marked with working voltage and route indicator, fixed with angle iron of size 25x25x3mm thick, 50cm long embedded in PCC 1:2:4 type B-1 of size 20x20x20cm in ground, complete all as specified and directed.

M&L for filling in with new stabilizers/ transformer oil, low viscosity of approved make as per IS-335 of 1992 and di-electric strength 50 KV when tested at 2mm gap, complete all as specified and directed.

M&L for filtration of AVR/ stablizers/ transformer oil of transformers step down 11KV/ 0-433 Volt, indoor/ outdoor type, ,installed at different sub stations/ locations using filtration and heating equipment at site by re-circulating transformer oil heating, dehydration and improving di-electric strength of the oil to withstand 40 KV for one minute including testing of oil, complete all as specified and directed. Note : Transformer oil test kit shall be provided by the contractor at site for testing of oil without any extra cost.

M&L for strip opening of transformer and removing the top cover for inspection, draining the transformer oil and taking out the core along with 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 connection with existing electrical system HT/ LT and commissioning compete on load of capacity not exceeding 250 KVA and including changing of top cover, nuts and bolts, complete all as specified and directed. Note :- (i) Transformer oil will be measured and paid separately under respective item of this BOQ

M&L for winding of HT/ LT coil of different type, capacity and make of transformer with approved quality super enameled copper wire/ strips of approved make of suitable gauge and number of turns along with allied materials like cork steel, fiber glass insulations, paper insulations, cotton/ empire tap and tube wooden blocks bolts, nuts and washer (brass) soldering and other packing material etc, complete all as specified and directed.

M&L for re-conditioning of LT coil of aluminium/copper wound transformer by turning the old paper insulations, strainghtening the entire LT strip providing new paper insulations of superior quality and making coil of suitable design as original, complete all as specified and directed.

S&F in replacement HT bushes porcelain, vitreous with brass spindle, threaded with washer, nuts, lock and rubber seal, suitable for transformer of capacity upto 200 KVA, complete all as specified and directed.

S&F in replacement LT bushes porcelain, vitreous with brass spindle, threaded with washer, nuts, lock and rubber seal for indoor/ outdoor transformer of capacity not exceeding 200 KVA, complete all as specified and directed.

S&F in replacement 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, complete all as specified and directed.

Supply only breather assembly plastic body of standard size filled with silica gel of transformer upto 200 KVA, complete all as specified and directed.

S&F in replacement of Lightning Arresters gapless metal oxide type, complete with all fittings, suitable for a system voltage of 11 KV and transmission class, discharge capacity 65 kilo Amps, complete all as specified and directed.

Taking down old jumper connection of 11 KV yard pole structure from line/ AB/ DO & refixing complete with new conductor including line tap, lugs & PVC alkdin/ pipe sleevs etc, complete all as specified and directed.

M&L for servicing and repair of HT panel of having VCB 11 KV rating of capacity current rating upto 400 Amps to 800 Amps of any make & type, servicing of VCB by cleaning contacts moving parts, removing dust particles from spout gear mechanism and moving parts, repair to motor, change spring mechanism, tighting of nuts & bolts of entire trolly components all as directed inserting in trolly, testing, commissioning putting on the supply on load, complete all specified and directed and scope of work includes with the followings :- (a) Inspection and cleaning breakers mechanism assembly & check proper operation and repair work. (b) Servicing & overhauling for proper operation of door interlock, interlocking plates and shutter assembly inside of panel. Permissible limits, re-adjust as recommended. (c) Check the mechanical ON/OF function, electrical & mechanical operation & damaged part of VCB. (d) Re-greasing with jelly of breakers mechanism, adjustment of various mechanism, setting as required, checking contact tightness, contact erosion pins, manually vaccum check of VCB. (e) Recking, rack out operation in test and service position of VCB trolly.

M&L for earthing complete with galvanised steel earth plate electrode 600x600x6mm buried directly in ground not less than 2.25 mtr deep below normal ground level with top edge of earth plate not less than 1.5 mtr below normal ground level connected to the galvanised iron strip 32x6mm size by means of bolts, nuts, check nuts and washers of galvanised iron and 32x6mm GI strip procter by provision of GI light grade pipe 40mm bore including provision of concrete pit in Plain cement concrete 1:2:4 type B-1, using 20mm graded stone aggregates with 40mm thick cover of RCC (1:2:4) reinforced with XPM weight not less than 4 Kg/ Sqm and 6mm dia bar handle, excavation and earth work in any type of soil, charcoal dust and slat light grade GI watering pipe 20mm bore with funnel and wire mashand medium grade GI protection pipe 15mm bore 5 mtr long and GI strip upto main earthing of pole complete all as shown in electrical plate No. 03 of MES Sch 2009 Part-I, complete all as specified and directed. Note :- (i) Main earthing strip from earth plate electrode to test point upto length of 7.5 mtr length shall deem to be included in the unit rate quoted against this item. (ii) GI protection pipe & earthing lead beyond 7.5 mtr shall be measured and paid for separately under appropriate item. (iii) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to the department.

Notes :- An amount of Rs. 1,05,955.50 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.

CHINAR CONSTRUCTION TRADERS (BID ID -3078322)