REPAIR AND MAINTENANCE OF HT OVER HEAD UG CABLES, TRANSFORMERS, VCBs AND CONNECTED WORKS AT JINDRAH UNDER GE (ARMY) DHAR ROAD

Amount

Taking out defective/unserviceable HT cable 11 KV of size 95 sqmm to 120 sqmm 3 core from roads/trenches required at site, complete all as specified and as directed.

Meterial and labour for dismantling reinceforce cement concrete pole /Iron poles/struts of any size and type including breaking of concrete cutting of mild bars of any size from below the ground level up to 60 cm depth and all items removing from site, complete all as specified and as directed . Note : i) Excavation & earth work included in the quoted rate by the tenderer. ii) T&P will be provided by the Contractor. No extra payment will be made for it.

Excavation in trenches n exc 1.5 mtr wide and n exc 1.5 meter in depth for foundation, laying of cable, pole etc or for shafts, wells, cesspits, manholes pier holes etc not exc 10 sqm on plan and not exc. 1.5 m in depth and getting out in soft/loose soil, complete all as specified and as directed.

Returning, filling in including spreading, levelling, watering and well ramming excavated soil in layers not exceeding 25 cm thick each, back in trenches after cables have been laid and tested, poles, stays, struts have been errected and tested , complete all as specified and as directed.

Removing excavated surplus (soil) obtained from excavation to a distance not exceeding 50 metre and depositing where directed at a level not exceeding 1.5 metre above the starting point, complete all as specified and as directed.

Material and Labour for reinforced precast concrete cable cover, class HV, type 2 with peak, size 450mm x 230mm x 50mm, complete all as specified and as directed.

Supply and laying dry river sand to be laid in 8 cms before laying of cable and 15 cms above cable in trenche as cable cushioning and covering, complete all as specified and as directed. Note: for payment purpose punned thickness shall be measured

Supply and laying double wall corrugated pipe (DWC) confirming to IS 14930 Part-I of size 120 mm outer dia and 103.5 mm inner dia including taking down unsv old pipe, complete all as specified and directed.

Dismantling and taking down of 80 mm bore steel water tubing galvanized light grade, with all fittings & fixtures (ISI marked) laid in trenches or fixed along walls/poles or in any position, complete all as specified and as directed .

Supply and laying of 80 mm bore steel water tubing galvanized light grade, with all fittings & fixtures (ISI marked) laid in trenches or fixed along walls/poles or in any position, complete all as specified and as directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 95 sq mm complete all as directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 volts grade, of size 3 core 120Sqmm, complete all as specified and as directed.

Material and Labour 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 95 sqmm, complete all as specified and as directed.

Material and Labour for Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm, complete all as specified and as directed.

Dismantling/Taking down air break gang operated switches vertical/horizontal mounted including insulators and operating mechanism for repair/ replacement of broken/worn out components and insulators etc, complete all as specified and as directed.

Supply and fixing of HT 11 KV, out door type gang operated air-break switch suitable for horizontal or vertical mounting fixed type complete with 9 insulators of rating upto 200 Amps, complete all as specified and as directed.

Material and Labour for Earth continuity conductor or main earthing lead fixed to wall on or recess or chasses or buried in ground or fixed to poles or any other indicated situation for loop earthing etc for transformer any capacity as required 32mmx 6mm galvanised iron strip, complete all as specified and as directed.

Meterial and labour for cement concrete type B1 1:2:4 with using 20mm graded crushed stone aggregate as in foundations for pole coping or any other work, complete all as specified and as directed.

Meterial and labour for cement concrete type C2 1:3:6 with using 40 mm graded crushed stone aggregate as in foundations for pole or any other work, complete all as specified and as directed.

Meterial and labour for cement concrete type D2 1:4:8 with using 40 mm graded crushed stone aggregate as in foundations for pole or any other work, complete all as specified and as directed.

Material and Labour for painting to steel surface over 10 cm width or girth of any description, new or previously untreated surface with two coats of aluminium paint over a coat of red oxide primer, complete all as specified and as directed.

Taking out old unsv lightning arrestor 11 KV with connected items, complete all as specified and as directed.

Material and Labour for lightning arrestor comprising of seald hollow porcelain housing consisting of stack of zinc oxide dires encasulated in heat shrinkage sleeve distribution class , rated voltage 12 KV(Rms) discharge capacity 65 KA, line discharge class-1 complete with bracket and connection, complete all as specified and as directed.

Material and Labour for Aluminium strip 25 x 3.15mm with saddles and fixing screws etc. for roof conductors and down conductors above ground incl taking down old strip, complete all as specified and as directed.

Material and labour for making test point for lightning arrestor by providing of four numbers procelain insulator fixed on wall through rowal plug, rectangular block of size 75mmx75mmx25mm made of phosphorus bronze or gun metal mounted over the insulator in horizontal shape, connecting the earth strip and down lightning conductor with the help of copper or brass nuts, washers over the phosphorus bronze blockincluding material and labour for making enclosure for test point made of mild steel steet of 1.6mm thick of size 250mmx250mmx250mm in box shape, openable from front side with locking arrangement,handle etc mounted/grouted into wall covering to the test point including taking down old one, complete all as specified and as directed.

Dismantling cross-arms of M.S. channel or angle sections etc. complete all as directed.

Material and labour for structural steel work conforming to grade Fe-410S as in cross arms, bracing, 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 coat of zink chrome primer and two coats of aluminium paint, complete all as specified and directed.

Dismantling insulators any type, any size, complete all as specified and as directed.

Material and Labour for Pin type, porcelain, vitreous, white,brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150mm height,150mm dia for 11000 volts grade, complete all as specified and as directed.

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

Material and Labour for Loop type insulator, vitreous porcelain,white, brown or greenof size 90mmx 140mm and clearance of hole 25.5 mm, complete all as specified and as directed.

Dismantling stay assembly, complete all as specified and as directed.

Supply and fixing of stay assembly complete comprising of 20mm dia, 40cm long stay bow rod 20mm dia x 1.8 Mtr long galvanised stay rod threaded and with nuts including 300mm x 300mm x 6mm thick plate GI, stay wire, stay clamps and necessary clamps for any type of pole etc as shown on plate No. 1 on page 495 of SSR Part-I, 2009 complete all as specified and directed. Note : Loop type insulator, excavation and concrete work shall be measured and paid separately.

Material and Labour for cement concrete type C2, 1:3:6 (40 mm graded aggregate) including casting blocks with and incl for cable route indicator of size 150mm dia round plate 2mm thick with stand of angle iron approx 75mm long including engraving the type of supply in the cable as directed for indicting the routes of HT under ground cables, laying the blocks along the route of the cables all as specified and directed.

Supply and fixing of 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 complete including taking down old notice plate, complete all as specified and as directed.

Material and Labour for cutting road/path way (concrete) any type including excavation returning in spreading, leveling , well ramming in layers, soiling with stones, WBM 7.5 CM thick and laying premix carpet 25mm thick using ready mix patch mate material, including rolling and compection of path work, complete all as specified and as directed.

Material and Labour for Earthing complete with Galvanised steel earth plate electrode of size 60cmx 60cm x 6mm thick electrode buried directly in ground (earth pit not less than 2.25 meters deep below the normal ground level) with top edge of the plate not less than 1.5 m below normal Ground Level connected to GI earth wire 4 mm dia by means of bolts, nuts, check nuts and washers and earth lead protected by 15mm dia GI pipe medium grade connected to main distribution board/ earthing test point all as shown on electrical plate No-03 of SSR Part-1 and all as specified including testing on completion.Note: The unit rate shall also include for excavation, earth work in hard/dense soil, plain cement concrete 1:3:6 mix, Type C1 pit, 40mm thick RCC 1:2:4 mix type B1 cover reinforced with 8mm dia TMT bars @ 150mm c/c both ways , GI funnel with watering pipe 20 mm dia, wire mesh, salt and charcoal, protection pipe for earth lead upto 7.50m long complete in addition to item No 1 (a) to (e) of preamble (notes) under sub heading earthing, specified in SSR part-II earth lead wire and protection pipe beyond 7.5m shall be measured and paid separately, complete all as specified and as directed.

Material and Labour for Earthing complete with Galvanised steel earth plate electrode of size 60cmx 60cm x 6mm thick electrode buried directly in ground (earth pit not less than 2.25 meters deep below the normal ground level) with top edge of the plate not less than 1.5 m below normal Ground Level connected to galvanised iron strip 32×6mm as earthing lead by means of bolts, nuts, check nuts and washers and earth strip protected by 40mm dia GI pipe medium grade connected to main Panel point all as shown on electrical plate No-03 of SSR Part-1 and all as specified including testing on completion.Note: The unit rate shall also include for excavation, earth work in hard/dense soil, plain cement concrete 1:3:6 mix, Type C1 pit, 40mm thick RCC 1:2:4 mix type B1 cover reinforced with 8mm dia TMT bars @ 150mm c/c both ways , GI funnel with watering pipe 20 mm dia, wire mesh, salt and charcoal, protection pipe for earth strip upto 7.50m long complete in addition to item No 1 (a) to (e) of preamble (notes) under sub heading earthing, specified in SSR part-II earth strip and protection pipe beyond 7.5m shall be measured and paid separately, complete all as specified and as directed.

Material and labour for toping of new transformer oil after heating and having dielectric strength not less than 60 KV complete all as specified and directed by the Engineer-in-Charge. Note : The transformer oil shall be supplied in sealed barrels of 210 Ltr capacity each of approved make duly marked with IS-335 on barrel. The barrel will be checked in presence of JE, Engineer-in-Charge and contractor for soundness of seal. Test report and purchase voucher shall be brought and produced by contractor before incorporation in work and the copy of the same shall be kept on record duly defaced by the Engineer-in-Charge.

Inspection, preventive maintenance, repair and testing of 11 KV VCB/OCB Panel with breaker as under :- (a) Cleaning of all chambers in panel like breaker, Bus bar, Spout etc by CRC. (b) Tightness, cleaning of all hardwares in all chambers (c) Greasing of all mechanical interlocks and breaker mechanism, movable parts. (d) Applying Jelly in isolating contact, spout connections (e) Rack in - Rack out operation and setting. (f) Setting of wheel assembly of breakers. (g) ON/OFF & Snatch gap setting. (h) Tripping test in overload and earth fault position by external current injecting Kit on both primary & secondary sides (j) Meggar testing between phase to phase and phase to earth in ON / OFF position both complete all as specified and directed. Note :- Inspection, maint, repair and testing of VCB/OCB rates are included in the same item. minor items such as Small nut, bolt, washer, wiring adjustment and minor parts are deemed to be inculded in the above quoted rate.

Material and labour for erection of steel tubular swaged pole 11 mtr long with cast iron base plate, finial taper plug, bolts, nuts and screws as specified type 410 SP 55, including factory painting with anti corrosive paint internally complete and externally up to planting depth, alternative Yellow & Black strips of 30 cm height upto 1.5 mtr above ground level, complete all specified and directed. Note: Excavation and earth work, GI pipe shall be measured and paid for separately under respective items.

MAMTA ENTERPRISES (BID ID -3276086)

Usha Engineering Co. (BID ID -3276127)

K S BUILDERS (BID ID -3275620)