REPAIR AND MAINT OF HT DISTRIBUTION SYSTEM AND ALLIED WORKS AT KHUNMOH, KHREUH AND SHER-E-SHALI GRN 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.

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. Note :- During Cable passing through or laying by roads, boring of road will be done by contractor without any extra cost.

All as per Ser item No. 09.00 here-in-before, but of cross sectional area 70 Sqmm 3 Core.

Supply, laying, testing and commissioning HT UG cables XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11/ 6.6 KV grade (earthed), of size 3 core 120 Sqmm, laid in trenches / poles/ wall, complete all as specified and directed.

Supply, laying, testing and commissioning HT UG cables XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11/ 6.6 KV grade (earthed), of size 3 core 95 Sqmm, laid in trenches / poles/ wall, complete all as specified and directed.

Supply, laying, testing and commissioning HT UG cables XLPE insulated, screened PVC bedded galvanised steel strip or wire armoured electric power cable, heavy duty with aluminium conductor 11/ 6.6 KV grade (earthed), of size 3 core 70 Sqmm, laid in trenches / poles/ wall, complete all as specified and directed.

Supplying and laying synthetic rubber insulated mat 2.50mm thick for voltage upto 11 KV for electrical purpose as per IS : 15652-2006, (superseeding IS : 5424) suitable for electrical shock safety of sizes 2m x 1m, 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 70 Sqmm to 95 Sqmm, 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 120 Sqmm to 185 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 70 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 70 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 120 sqmm to 185 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 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.

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.

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 post type insulator with all accessories and contact insulators etc., fixed on HT pole channel with GOD or other rating above 10 and upto 25 Amps, suitable for 11 KV grade including taking down old unserviceable insulator, complete all as specified and directed.

Supply and erecting stay assembly complete with accessories as shown in electrical plate No. 1 including stay clamp, loop insulator, dia of stay rod is not less than 16mm including taking down old one, complete all as specified and directed. Note :- Excavation and concrete work measured and paid separately.

Taking down and reinstall transformer step down 11KV/ 415 Volts complete outdoor/ indoor of capacity of 25 to 300 KVA including transportation to the workshop and back, complete all as specified and directed.

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

All as per Ser item No. 27.00 here-in-before but above 160 KVA upto 300 KVA.

M&L for filtration of 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 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.

Disconnecting HT/ LT side electrical connection carefully existing 11 KV/ 440 Volts stepdown transformer of any capacity, draining out of existing transformer oil after filtration, dehydration and measuring the die-electric strength not less than 45 KV at 2mm gap including reinstallation of transformer satisfactory on its original position, connecting, testing and commissioning, complete all as specified and directed by Engr-in-Charge.

M&L for filling in with new transformer oil, low viscosity of approved make as per IS-335 of 1992 and di-electric strength 45 KV when tested at 4mm gap, 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 160 KVA, complete all as specified and directed.

All as per Ser item No. 33.00 here-in-before but exceeding 160 KVA upto 250 KVA.

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 160 KVA, complete all as specified and directed.

All as per Ser item No. 35.00 here-in-before but exceeding 160 KVA upto 250 KVA.

M&L in replacement breather assembly CI body of standard size filled with silica gel of transformer upto 300 KVA, complete all as 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 for protection of electric cable, complete all as specified and directed.

M&L for 100mm bore GI tubing light grade, laid in trenches or fixed on wall/ alongwith pole with suitable MS clamps made of flat iron for protection of electric cable, complete all as specified and directed.

M&L for earthing complete with using GI wire 4mm dia as a earth lead and galvanized steel earth plate electrode of size 60cm x 60cm x 6mm thick, burried directly in ground vertically to a depth not less than 2.25 mtr deep below ground level with top edge of the earth plate not less 1.5 mtr below normal ground level, filled around with alternate layers of charcoal dust and salt and connected to earth lead wire by means of bolts, nuts, check nuts and washers of galvanized iron or steel and thimble and other ends of the earth wire, connected to pole and protected by galvanized iron pipe light grade 15mm bore and watering pipe 20mm bore light grade with funnel and wire mesh, PCC 1:3:6 type C-2 in chambers, RCC 1:2:4 type B-1 in pit cover, reinforced with 8mm dia deformed bars @ 15cm c/c both ways including necessary excavation and earth work including taking out old earthing, complete all as shown in electric plate No. 3 of MES SSR Part 1 and testing after completion. Notes :- (a) PCC chamber shall be constructed at least 0.50 mtr away form the earth electrode and pipe for watering. (b) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to the department.

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.

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.

S&F in replacement galvanised iron strip of size 32mm x 6mm, burried in ground upto 50cm depth or fixed to wall with insulators etc. for loop earthing including welding for joints, complete all as specified and directed. Note :- Earth work will be measured and paid separately under relevent items of this BOQ.

M&L for preparation of old painted surfaces, removing dust and other deposited materials on HT tubular pole of 11 Mtr long by scraping and applying one coat of synthetic enamel paint up to 1 Mtr from bottom and painting the rest of the pole including cross arms, clamps etc, complete all as specified and directed. Note :- Colour and pattern of the paint shall be decided by Engr-in-Charge.

Taking out from trenches or taking down from poles/ walls of HT UG cables of any size, PVC insulated sheathed with multistranded aluminium conductor armoured and relaying/ re-fixing in same location & position after fault rectification with testing, complete all as specified and directed.

M&L for scraping old paint with sand paper and preparation of surfaces of transformer of any capacity, outdoor/ indoor type and applying two coats of smoke grey synthetic enamel paint by spray machine complete and including making good condition of name plate and writting MES/SM number with the letters 100mm height with systhetic enamel paint, complete all as specified and directed.

Arrangement of standby transformer, copper winding upto 250 KVA during the breakdown / servicing of any existing transformer including transportation, machinery, installation and taking down existing transformer at any location as directed by EIC, 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 carefully handling lifting and dismantling of angle frame/ plinth etc and same re-fixing at new location rate including of necessary T&P and making working condition, complete all as specified and directed. Note :- During Shifting any type of damaging parts will pay by the contractor without extra cost.

Distmantling and taking out PCC HT pole fixed in any position and removal from site and taken in credit, 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 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 in replacement anti climbing device, comprising 2.24mm dia galvanised steel 2-strand barbed wire with 2mm dia barbs wrapped spirally round poles, to a length of 0.5 to 1.0 meter clamped and properly secured or as ordered, complete all as specified and directed. Note :- Clamps measured and paid separately under relevant item of this BOQ.

Dismantling of existing old unserviceable ACSR conductors of any size and type and S&F new ACSR conductors including stringing through existing RCC/ steel poles, fixing in insulators, jumpers with polythene pipes and aluminium binding wire etc, complete of all as specified and directed. Note :- Rates for alumnium tape, binding wire shall be deemed to include in quoted rates.

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 11/ 6.6 KV 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/ 6.6 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 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 300 KVA, complete all as specified and directed.

Supply, jointing and connecting galvanised steel wire 3.15mm dia with cradles hexagonal/ rectangular, complete all as specified and directed.

M&L for coarse aggregates of 20mm including required size of depp 45 cm and wide at different places, around HT pole structure / feeder panel etc., complete all as specified and directed.

M&L for fine aggregates (fine sand) for laying depp 40cm at different places, around HT pole structure / feeder panel etc., complete all as specified and directed.

Cleaning of all 11 KV Yard, 2/4 Pole structures with cutting & removing all grasses, bushes, soil and waste material and through away from the site, levelling 11 KV Yard area, spraying of anti fungus/grass chemical, complete all as specified and directed. Note :- Each cleaning shall be measured and paid.

M&L for painting of 11 KV 415 Volts transformer of any capacity, outdoor/ indoor type with two coats of smoke grey synthetic enamel paint after cleaning and removing dust & dirt and preparation the surface with sand paper complete including writting MES/SM number on transformer body with the letters 100mm height with systhetic enamel paint, complete all as specified and directed.

Trimming/ Cutting of tree branches from any height and type of trees in route of HT/ LT over head line or near to the HT/ LT over head line as per the direction of Engr-in-charge and cleaning of site. Notes :- (a) Span from one pole to next pole will be measured as one unit/ job. (b) Any damage cause due to contractor's labour will be rectified by the contractor without any extra cost to Govt. (c) T&P such as ladder, rope, cutter, axes and other required tools shall be provided by the contractor. (d) The work shall only be carried out after written shut down from concerned official(s) / AGE E/M.

M&L for making bore/ hole to road/ path/ hardstanding for provision of GI pipe 80-100mm bore for passing cable including making good the disturbed surfaces to match with existing surface, complete all as specified and directed.

M&L for maint free safe earthing system (set of four electrod to be used as grid for equipment earthing) each pit complete with 01 Number UL 467 approved / CPRI tested copper bonded (copper cladded earth rod with 250 microns of copper cladding) earth rod with 17.2mm dia 3000mm long electrode buried in ground to bore holes 120mm dia vertically to a depth not less than 3.50 mtr deep below normal ground level or 'L' shape in case of rocky condition (2 ft deep and 8 ft horizontol) with top edge of earth electrode at a depth not less than 500mm below normal ground level, provision of copper bus bar of size 200mmx25mmx6mm for inter connection with copper earth lead strip of size 25mm x 3mm and further connected to test point terminal block, complete all as directed. Each earth pit shall be include minimum 50 Kg (two bags of 25 Kg each) NABL Lab Certified back fill compound and 6 Kg (two container of 3 Kg Each) NABL Lab Certified conductive gel compound for filling bore holes with mother soil mixed in 1:3 ratio (one part of back fill compound and three part of mother soil), so as to achieve earth resistance below 1.0 Ohm including exacavation of polypit chamber with polyplastic pit cover (cost of poly pit chamber with polyplastic pit cover shall be deemed to be included in the quoted rates) including dismantling old UNSV earthing and removal thereof, complete all as specified and as directed by Engineer-in-charge. Make : Dhruva Technology Pvt Ltd/ Pragati/ Ashgel Electrode or equivalent. Notes : (a) Copper strip beyond test point shall be measured and paid separately (b) Contractor shall give guarantee of minimum 5 yrs for the earting carried out by him. (c) The quoted rates shall be included test point made of phosphorous bronze of size 75x75x25mm, drilled and screwed including 3 Nos 8mm dia 25mm long brass nuts and bolts. (d) Any other fittings /fixtures if technically required for archieving desired results (if not included above) shall be provided by contractor without any extra cost to Govt. (e) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to Govt.

M&L for repair to road after laying of protection pipe for cable/ water pipe with 150mm thick (compacted thickness) water bound macadam with crushed course stone aggregates (granite, trap, basalt) of grading 2 (63 to 40mm size), spread, rolled and consolidated to required gradient and camber using 8 to 12 tonne power roller and providing 75mm consolidated thick premixed bituminuous macadam using 4% binder content of paving bitumen of Grade VG-30 by weight of total mix and preparing BM surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finaly fanning the cleaned surface with gunny bags to remove all loose dirt etc and applying evenly a priming / tack coat with bituminous primer @ 5 Kg / 10 Sqm of paving bitumen Grade VG-10 and provide 40mm thick (consolidated thickness) bituminous premixed carpet with 0.27 Cum of stone chippings mixed with 14.6 Kg of binder (paving bitumen) and applying liquid seal coat @ 9.8 Kg per 10 Sqm blinded with 0.09 Cum stone chippings 6.3mm size and rolled with8-10 tonne power roller to uniform smooth surface, complete all as specified and directed.

M&L including Engineer / Technician to calibrate/ servicing the VCB in Sub Stn of make Cromption Greevs as exist to trip immediately in case of fault (overload current / earth fault) and replace minor parts i.e HRC fues 2 Amps, indicator lamp, control wiring if required at site and make them 100% serviceable throughout the year including servicing of VCB, oiling, greasing, cleaning with blower from inner and outer side, decarburizing of the links with CRC spray, Magger test (IR Value) E-RYB, RY-YB, BR-RR, Y'Y', B'B' (Contact Resistance) of vacume interupter RYB in on condition outside of panel. Checking of lubrication of various interlock and checking serviceability of all mechanical parts, complete all as specified and directed. Notes :- (i) The above job will be carried out at perodicity of three month common of work i.e 1st time within three month from the commencement of work and 2nd time within six months. (ii) The rates for changing of minor parts shall be deemed to include in quoated rates.

S&F in replacement TNC switch as per existing make & specifications, suitable for VCB 400 Amps, 11 KV including necesarry connection & testing, complete all as specified and directed.

S&F in replacement closing coil assembly as per existing make & specifications, suitable for VCB 400 Amps, 11 KV including necesarry connection & testing, complete all as specified and directed.

S&F in replacement triping coil assembly as per existing make & specifications, suitable for VCB 400 Amps, 11 KV including necesarry connection & testing, complete all as specified and directed.

S&F in replacement indicator bulb 20 watt 1100 volt as per existing make, suitable for VCB 400 Amps, 11 KV including necessary connection & testing, complete all as specified and directed.

S&F in replacement breaker phase barrier suitable for VCB/ RMU 11000 volts, 400 Amps rating 13.1 KA including necesary connection and testing as per existing make and specification, complete all as specified and directed.

S&F in replacement earthing contact assembly suitable for VCB/ RMU 11000 volts, 400 Amps rating 13.1 KA including necessary connection and testing as per existing make and specification, complete all as specified and directed.

S&F in replacement motor with gear assembly single phase 230 volts suitable for VCB/ RMU 11000 volts, 400 Amps rating 13.1 KA including necessary connection and testing as per existing make and specification, complete all as specified and directed.

M&L for testing and commissioning of currect transformer & calibration of 11 KV HT control relay panel for OVR current & earth fault protection by primary and secondary ejection method and submitting test repost to EIC, complete all as specified and directed.

S&F in replacement base assembly of existing VCB including neccesary connection and testing as per existing make and specification, complete all as specified and directed.

S&F in replacement digital ammeter with shunt suitable for VCB 11000 volts, 400 Amps, complete all as specified and directed.

S&F maintenance free batteries 12 volt 180 AH including taking down old unserviceable bettery, complete all as specified and directed.

S&F in replacement battery charger of 24 V with boost charging and trickle facility and Amp and Volt meter, complete all as specified and directed.

Notes :- An amount of Rs. 1,86,990.00 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.

FIRDOUS AHMAD BABA (BID ID -3152146)

CHINAR CONSTRUCTION TRADERS (BID ID -3145850)