REPAIR AND MAINT TO HT ELECTRIC INSTALLATIONS AND DISTRIBUTION NETWORK AT NABHA UNDER GE SOUTH PATIALA

Amount

Dismantling and taking out old broken prestressed concrete poles in any location and of any size complete all as specified and as directed.

Taking down old aluminium conductors including GI wire, insulators of any type from poles in any location complete all as specified and as directed.

Dismantling cross arms of MS channel or angle section etc. from poles /2 pole/ 4 pole structures complete all as specified and as directed.

Dismantling stay assembly complete (including demolition of concrete and excvation) with accessories all as specified and as directed .

Supply and errecting prestressed concrete pole 11 mtr long 152mmx152mm at top and 152mmx260mm at bottom of class 9, including painting with five strips of 30cm each black and white paint in alternate strips from the top of coping of pole upto1.5mtr height complete, spray painting with two coat of synthetic enamel paint of superior quality complete all as specified and directed.

Supply and fixing in repair 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,150 mm dia for 11000 Volts grade complete all as specified and as directed.

Supply and fixing in repair Disc type insulator, porcelain,vitreous 145mm high and 255mm dia ball and socket type white brown or green single disc assembly for tension with tension clamps for conductors working pressure 11000 Volts complete all as specified and as directed.

Supply and fixing stay assembly complete with accessories as shown in electrical plate No1 with 20 mm dia stay rod, stay wire and loop insulator complete all as specified and as directed. (Excavation and concrete shall be measured and paid separately)

Supply and fixing in repairs high tension lightning arrestor expulsion type suitable for 11000 Volts complete with all fittings transmission class discharge capacity 65 Kilo Amps complete all as specified and as directed

Supply and fixing in repairs triple pole mechanically operated (GOD) mounted on 12 insulators and steel frame with operating mechanism worked from ground level of 11000 volt grade for current rating 200 Amps with dropout fuse (barrel type) of capacity 40 Amps, made out of copper complete all as specified and as directed.

Supply and fixing in repair dropout fuse (barrel type) of capacity 40 Amps, made out of copper suitable for 11 KV HT supply GOD mounted on 2 pole / 4 Pole structure as per existing specifications complete all as specified and as directed.

Supply laying & testing cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminum conductor, 11000 Volts grade, of 95 Sq mm 3 core after removing old unserviceable PILCA/XLPE cable & cable covers etc complete all as specified and as directed.Note:- (Excavation, earth work,sand cushioning and cable cover will be measured and paid separately).

Supply and fixing in replacement Cable Route Indicator suitable to indicate route of 11 KV HT Cable. Route indicater madeout of CI Elecptical Shape duly embossed the letter "HT UG CABLE" mounted on 12 mm dia, 70 cm long MS rod, including necessary excavation and grouted the indicator in 20cm x 20cm x 60 cm (LXBxH) cement conctete 1:2:4 type B-1using 20 mm graded stone aggregates.concrete shall be 20 cm above the ground level and 40 cm below the the ground level complete all as specified and as directed .

Supply and fixing in repair 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 to 95 sqmm complete all as specified and as directed.

Supply and fixing in repair cable jointing kit for 11 KV (Earthed) grade cable for outdoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 70 to 95 sqmm complete all as specified and as directed.

Supply and fixing in repairs 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 as directed.

Supply and fixing in replacement danger notice plate 11 KV of 1.6 mm thick mild steel sheet vitreous enamelled white with letters figures and conventional skull and bones in signal red colour and fixed with MS clamps out of flat iron 50x4mm, bolts and nuts of approved size for HT 25x20cm size complete all as specified and as directed.

Material and labour for aluminium conductor,steel reinforced (weasel,Ferret,monk),stringing,streaching and binding with insulator, on existing RCC/steel HT/LT Poles including providing of necessary jumpers, connecting all existing incoming and out going connections with aluminium binding wire of 14 SWG on insulators complete all as specified and directed.

Material and labour 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 and inclusive of one primer coat one under coat and one finishing coat of paint complete all as specified and as directed.

Supply and fixing galvanised steel wire 4 mm dia for continuous earth conductor in earthings, making cradles in hexagonal / rectangular shape as per site requirement to guard HT over line complete all as specified and as directed.

Material and labour for painting to existing PCC poles 11 Mtr long long with one coat of synthetic enamel paint in alternate strips of black and yelow colours 30 cm height each,total 05 Nos, commencing form the top of PCC coping and marking pole No with paint of colour as approved, incuding painting of cross arms, nut bolts, clamps etc fixed on pole with two coats of aluminium paint complete all specified and as directed. Notes:- (i) Numbering shall be hand written only, size of letter shall be 80X10mm (Height x width).(ii) Taking Proper shut down of Electric Supply will be responsibility of contractor for deploying painter on site/poles.

Servicing of HT VCB 630 Amps,11 KV including calibration/ setting of all parameters and repairs of VCB of Crompton Greaves make 2013 model complete incl cleaning and greasing and replacement of unserviceable parts, replacement of unsv copper wiring as per existing and testing for satiafactory operation and smooth functioning as per manufacturer's standards complete all as specified and as directed. Notes :- (i) Spares shall be measured and paid seperately. (ii) Servicing shall be carried out by authorised rep of OEM.

Supply only 220 Volts AC/DC spring charging motor suitable for VCB (CG Make) 11 KV complete all as specified and as directed

Supply only fuse of rating upto 40 Amps, 500 Watt AC IS:13703 ISI mark suitable for 11 KV VCB circuits complete all as specified and as directed

Supply only VCB indicator lamps LED type as per existing colour code and making all connections as per existing complete all as specified and as directed

Supply only sprout (RYB) & insulators at VCB HT Cable entry point and outgoing point as per existing suitable for 11 KV VCB complete all as specified and as directed.

Supply only Al Strips 20x4 mm size heavy duty of suitable length (upto 1 mtr length) at VCB HT Cable entry point including drilling wor for making holes nut, bolts and washers suitable for 11 KV VCB duy insulated with sleeves complete all as specified and as directed.

Material and labour for earthing in repairs complete with galvanised steel earth plate electrode 600x600x6mm thick buried directly in ground not less than 2.25 m deep below ground level) with top edge of earth plate not less than 1.5 m below normal ground level, connected to galvanised earth strip 32x6 mm thick by means of bolts, nuts, check nuts and washers of galvanised iron or steel suitable size GI Pipe for protection of GI Strip and Watering pipe 15 mm dia with funnel all as shown in electrical plate No. 4, connected to machinary /panel complete including PCC pit in PCC(1:3:6) type C-1, pre cast RCC nominal mix cover slab reinforced with 8 mm dia mild steel TMT bars 15cm c/c and suitable handle of 10 mm dia round bar including necesary excavation earth work in soft/loose soil and disposal of soil to a distance n.exc 50m complete all as specified and as directed.

All as per item No. 28 here-in before but using GI Strip 25x4 mm complete all as specified and as directed.

All as per item No. 28 here-in before but using GI wire 4 mm dia complete all as specified and as directed.

Material and labour for complete removal of old paint and primer by scratching, rubbing from transformer 100 to 250 KVA capacity of any make and size including XPM wire mesh complete,applying by spray painting machine with two coat of synthetic enamel paint of first quality dark grey/ivory colour over a coat of red oxide primer and marking SM No complte as directed complete all as specified and as directed.

All as per item serial no 31 here-in-before but 315/400 KVA, capacity transformers complete all as specified and as directed.

Disconnecting the electric connections of incoming and outgoing cable and taking down the defective transformers indoor/ outdoor type 11 KV/433 Volts of capacity 200 KVA to 400 KVA from any position by hiring Crane service for lifting up & down and arranging suitable size vehicle for transporting to auth workshop for rewinding of transformer, repairs, shifting back the same to site after repairs and installing & testing at original position complete all as directed, connecting up, commissioning and testing. Notes : (a) The item includes for draining out transformer oil, opening up transformer taking out core, HV and LV windings to detect faults, reassembling the transformer after necessary repairs including replacement of top rubberised/ fiber gasket and worn out fastners such as nuts, bolts and washers for fixing of top covers (b) Spare parts i.e HT/ LT insulated copper winding, HT, LT Brass rod shall be measured and paid separatelty. (c) Proper care should be taken during dismantling/transportation of the transformer,if the transformer is damaged due to the neglegency,contractor shall be responsible for the same andcost of the same will be paid by the contractor at no extra cost.

Material and labour for replacement of burnt defective HT copper coil of existing size, winding with superior quality enamelled copper winding wire/strips of approved make of suitable size/guage and number of turns matching with the existing impendence and insulated including all allied materials such as cork sheet, fiber glass insulation/paper insulation/Lathoride paper, cotton, empire tape and wooden blocks, bolts, nuts & washers (Brass) soldering/welding and other packing material etc required for entire winding of coils complete all as specified and as directed .

All as per serial item no.34 here-in-before but defective LT copper coil complete all as specified and as directed.

Supply only HV brass rods with porcelian bushing, nuts, bolts, washers gaskets suitable for 250 KVA to 400 KVA transformer of any type complete all as specified and as directed..

Supply only LV brass rods with porcelain bushing , nuts, bolts, washers gaskets suitable for 250 KVA to 400 KVA transformer of any type complete all as specified and as directed. .

Supply and fixing in replacement of air breathers transparent type suitable for transformers 11 KV / 433 Volts of capacity up to 200 KVA duly filled silica gel granuals 1 Kg complete all as specified and as directed.

Supply and fixing in replacement of air breathers transparent type suitable for transformers 11 KV / 433 Volts of capacity 250 to 400 KVA duly filled silica gel granuals 2 Kg complete all as specified and as directed.

Supply and fixing Copper strip of 40x8 mm size cutting in length with fastners as per site requirement including drilling, making hole in the strip suitable for connecting to HT/LT Side rod of transformer complete all as specified and as directed.

Material and labour for servicing of transformer by arresting leakages by tightning nuts, bolts, replacement of unsv gasket, worn out washer of top cover and LV bushings, HV bushings etc complete all as specified and as directed.

Dehydration and filteration of transformer oil of transformer any capacity indoor/ outdoor type with dehydration machine including checking of dielectric strength of transformer oil before and after dehydration complete all as specified and as directed. Note :- Dielectric strength should be 50-60 KV for 1 mm gap.

Supply and topping up the transformer oil for transformer of appropriate grade confirming to IS- 335 with latest amendments suitable for 11 KV/433 Volts step down transformer complete all as specified and as directed. Note:- Dielectric strength test report alongwith purchase voucher will be submitted by contractor to Engr-in-Charge.

Excavation in trenches not exceeding 1.5 mtr wide and not exceeding 1.5 mtr depth for foundation of poles, struts,stays and laying of cables etc and getting out in soft/lose soil complete all as specified and as directed.

All as per item No. 44 here-in before but depth exceeding 1.5 m and not exceeding 3 m complete all as specified and as directed.

Returning filling in including spreading, levelling, and well ramming, in layers not exceeding 25 cm each layer in soft/lose soil complete all as specified and as directed.

Removing surplus excavated material from site not exceeding 50 mtrs from starting point and depositing where directed at level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

Material and labour for laying clean dry fine river sand in trenches /ducts for bedding and cushioning to cable, 8 cm thick before laying the cable and 15 cm thick after laying the cable including punning down the sand to over all 18 cm thickness, levelling and consolidation complete all as specified and as directed. Note:- (i) Consolidated/ punned thickness of sand will be measured for payment purpose. (ii) Sand shall be same as specified for plastering work.

Material and labour for laying un-reinforced precast concrete cable covers conforming to IS-5820-1970, class HV, type 1 flat of size 300mm x 180mm x 40mm laid in trenches as protection to cables complete all as specified and as directed.

Supply and fixing in repair GI tube light grade 80 mm bore in trenches/ along poles under roads/floor etc complete all as specified and as directed.

Material and labour for trenchless drilling or boring by mechanical means without damaging the existing road/PCC for passing 80 mm bore GI pipe for cable protection complete all as specified and as directed.

Material and labour for cement concrete type C2 1:3:6 using 40 mm graded stone aggregates as in foundations, filling and mass concrete complete all as specified and as directed.

Material and labour for cement concrete 1:2:4 type B1 using 20 mm graded stone aggregate as in platform, filling and mass concrete, coping to new/existing pole etc, including necessary form work if required and applying two coats of white wash to exposed surfaces of coping/platform including dismantling/ demolition of the existing concrete complete all as specified and as directed.

Material and labour for replacement synthetic Rubber insulated mats 25 mm thick for voltage upto 11 KV for electrical purpose as per IS 15652-2006, (superseding IS 5424) suitable for electrical shock safety for voltage upto 11 KV (size 2x1m) complete all as specified and as directed.

Supply and fixing in replacement Copper Thimbles heavy duty suitable for HT XLPE Cable 95 Sqmm, 3 Core duly crimped by crimping tool with suitable size of nuts, bolts and washers all as specified and as directed.

Supply and fixing in replacement Aluminium Thimbles/Lugs heavy duty suitable for LT XLPE Cable 185/240 Sqmm, 3.5 Core duly crimped by crimping tool with suitable size of nuts, bolts and washers all as specified and as directed.

Material and labour for periodical cutting / trimming of branches of trees along, above and below the HT/ LT overhead lines upto 03 mtrs of the conductors including removing the same and dumping complete all as specified and as directed. Note :- Periodicity schedule shall be fixed by the Engr-in-Charge.

Disconnecting HT and LT Cables of transformer 11/.433 KV (in the AOR of Nabha Mil Stn) upto 400 KVA cap and shifting of transformer within the S/S or to another S/S by means of suitable vehicle including lifting by crane/hydra and reconnecting the HT/ LT cables including tightening of nut bolts complete all as specified and as directed. Note :- Cost of hiring Hydra Crane for lifting & vehicle for transportation shall be deemed to be in included in the quoted rate.

Attending day to day HT/ LT electrical repair work (in the jurisdiction of AGE EM Nabha Cantt) as intimated by Engineer in Charge/ JE/ SBA by deploying dedicated team of adequately qualified electricians and helpers having good knowledge and experience of HV / LV line and fault rectification for attending the complaints like replacement of HT fuse wire/ replacement of HT jumper/re-laying of cable after excavation for extension of loop for making connection with LT Panel or pole/ repair of GOD male / female contact / repair maintenance of HT OH line and fault finding/ Balancing of load on each transformer. Notes : - (i) Earth work required for job shall be measured under respective item of Schedule.(ii) Contractor shall provide all T&P including safety equipment such as Bamboo ladders, screw drivers, wire /cable cutters with blades, multi meters, cutting pliers, torch lights etc for protection of the tradesman including safety dress, hand gloves, rubber boots, safety belt, helmets, complaint register, Job Card and necessary transportation required for attending complaints/ faults / brakedowns (iii) On intimation of any type of fault tripping of HT / LT switch gear incomer as well as outgoing feeder, the contractor shall be responsible to locate the fault by deploying tradesmen, helpers required as per the gravity/ nature of the work involved to restore the power supply and communiate with SBA on duty and getting permit card for working on HT lines, deposit the permit card after rectification of fault within a reasonable time as directed by the Engineer in Charge.

Material and labour for Earthing complete for ( VCB at MRS) with Copper Plate galvanised steel earth plate electrode 60 × 60 cm.× 3.15mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to 20x3 mm copper strip as earth lead by means of bolts, nuts, check nuts and washers of copper all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified and as directed.

Material and labour for Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc. as required 20x3 mm size Copper strip complete all as specified and as directed..

Jawandha Enterprises (BID ID -3379846)

The Rahul Vig (BID ID -3383024)

bharat contrectors (BID ID -3375901)

NARINDER KUMAR SONS (BID ID -3376809)