REPAIR TO HT OH LINES, TRANSFORMERS AND HT SWITCH GEAR AT ZONE A UNDER GE 862 EWS

Amount

Material and labour in replacement for high tension lightning arrestor, expulsion type suitable for 11 KV with all fittings of transmission class, discharge capacity 65 Kilo Amps and testing including removing old unserviceable item, complete all as specified and directed.

Material and labour in replacement for high tension lightning arrestor, expulsion type suitable for 33 KV with all fittings of transmission class, discharge capacity 65 Kilo Amps and testing including removing old unserviceable item, complete all as specified and directed.

Supply and fixing drop out fuse unit expulsion type for outdoor air break gang operated switch, single pole, mounted on and including insulators for 11 KV working pressure, fixed to and including channel with nuts, bolts and washers etc,synthetic bounded fuse carrying tube with line taps and suitable for current carrying capacity 200 Amps, testing including removing of old unsv items, complete all as specified and directed.

Supply and erecting in replacement of truely vertical position steel tubular swaged pole, 11 metre long, complete with mild steel base plate 6mm thick of size 300mm x 300mm, B-118 finial taper plug, bolts, nuts, washers and screws, type 410 SP-55 including drilling of holes of required size and nuts for fixing of cross arms, painting with two coats of aluminium paint over a coat of red oxide primer and two coats of black bituminous paint for portion embedded in concrete, painting five black and white bands at lower portion of pole each of 300 mm height at 300mm spacing including taking down of old existing broken/cracked pre stresed concrete pole 11 metres long complete all as specified and directed. (Note : Excavation, earth work and PCC in foundation of poles, coping etc shall be measured and paid separately under respective items of Sch 'A').

Supply, laying, testing and commissioning in replacement HT cable 11 KV grade, XLPE insulated (earthed) screened, PVC bedded, galvanized iron strip armoured with stranded aluminium conductor cable of cross sectional area 120 sqmm; 3 core, ISI marked with IS:7098 (part-II) as amended upto date in trenches/ ducts/ through pipes etc and making connection by providing suitable aluminium lugs with proper crimping, including removal of old unserviceable defective cable of any size and capacity complete all as specified and directed Note :- (i) Excavation & Earth work, sand cushioning, cable cover and protection pipe shall be measured and paid separately. (ii) The cable shall be in one length unless otherwise directed by the GE. (iii) Make of cable:- Polycab/Havells/KEI/Finolex

S&F cable jointing kit in replacement for 11 KV (earthed) grade cable for indoor termination heat shrink type joint complete with and including jointing material and accessories suitable for 3 core XLPE armoured aluminium cable of size 120 Sqmm, also including connecting with single thimbles etc after disconnecting of electric supply including removing burnt out jointing kit etc, complete all as specified and directed.

S&F cable jointing kit in replacement for 11 KV (earthed) grade cable for outdoor termination heat shrinkable type joint, complete with and including jointing material and accessories suitable for 3 core XLPE armoured aluminium cable of size 120 Sqmm, also with and including connecting single thimbles etc after disconnecting of electric supply including removing burnt out jointing kit etc, complete all as specified and directed.

M&L cable jointing kit in replacement for 11 KV (earthed) grade cable for straight through heat shrinkable type joint, complete with and including jointing material and accessories suitable for 3 core XLPE armoured aluminium cable of size 120 Sqmm, also with and including connecting single ferrules/thimbles etc after disconnecting of electric supply including removing burnt out jointing kit etc, complete all as specified and directed.

Supply and laying in replacement unreinforced precast factory made concrete cable cover, class HV, Type -I, flat, size 300 mm x 180mm x 40mm, ISI marked complete all as specified and directed.

Material & labour in replacement for GI tubes, "light grade", 100 mm bore with and including all fittings laid in trenches/road crossing/floors etc for cable protection, complete all as specified and directed. Note: Excavation and earth work shall be measured and paid for separately.

M & L for construction of platform for installation of transformer of size 3000x2500x1500mm complete all as specified and shown in Drg No CE/TD-1129/96 sheet 1/2 all as specified and as directed. Note:-PCC, brick work, steel work & fencing shall be as specified in drgs. Whatever mentioned in drgs, The external surface above the ground shall be plastered in CM 1:4 15mm thick & finished with two coals of white wash. Steel work shall be painted with two coals of synthetic enamel paint over a coat of red oxide primer.

Filtration & Dehydration of transformer oil in distribution transformer, servo voltage stabilizers, isolation tramsformer and HT OCBs (at different locations) using ON-LINE electrically operated filtration plant to achieve dielectric strength minimum 50 KV/ 4mm including testing of oil before and after dehydation and also topping up of the transformer oil upto required level, complete all as specified and directed. Note:-(i) Supply onlyTransformer oil for top-up shall be measured and paid separately. (ii) The quoted rates shall also be deemed to include for submission of test reports for testing of transformer oil as specified above. (iii) Quantity payable under the item shall be the Qty of oil filtered and dehydrated at site only.

Supply only transformer oil conforming to IS 335-1993 (Make : 'Savita', 'Power Oil', APAR) having di-electric strength minimum 50 KV/4mm, complete all as specified and directed.

Disconnecting of LT and HT connection carefully from the existing Transformer of capacity 50 KVA to 100 KVA , 11KV/433 volts of any make/type, taking down/remove from existing site. Transporting the transformer from various locations to the workshop for carrying out repair work, opening of top cover and decanning of transformer oil, checking of connections internally,dismantling of core and remove HT/LT coil for replacement, replacing burnt HT and LT bushing and studs and soldering and brazing the connections including removal of sediments, carbon deposits at bottom of transformer tank, on core, on winding, tightening of all connections etc, including fixing new breather assembly of adequate capacity, cleaning of oil tank and rectification of leakage problem and renewal of all gaskets and assembling and filling back of tranformer oil (after filtration and dehydration of transformer oil at work shop for required value) including top up of transformer oil upto required level and after repair the transporting the same back to the same site including installation and connecting of HT and LT side connection of transformer and charging the transformer contd to item No-14.01

including testing it upto proper functioning complete all as specified and directed by Engineer-in-Charge. Note : (i) The contractor will take down and refix the transformer at site located at various location as directed by Engineer-in-charge. (ii) The rate deemed to including transportation of transformer Jammu workshop and back. (iii) T & P required for taking down and refixing of transformer deemed to be included in the rate quoted by contractor, Rewinding of HT & LT coils and oil shall be measured and paid separately under erlevant items and cost of gaskets, nuts and bolts etc. will be deemed to be included in this above item quoted rate. (iv) Repair/rewinding of transformer carried out by authorized workshop only. (v) Spare parts required for maintenance measured and paid separetely in respective items. (vi) Supply of Transformer oil for top up will be measured and paid separately but labour cost for top up transformer oil will be deemed to be included in this above item quoted rate. .

All as per serial item No 14 above but for transformer of capacity more than 100 KVA and upto 315 KVA complete all as specified and directed.

Replacement of burnt defective HT copper coil of different type capacity winding from transformer with and including superior quality enamelled copper winding wire of approved make of suitable size/guage and number of turns matching as per original winding of transformer including all insulating papers and material required for making of coil all as specified and directed by Engineer-in-Charge.

Replacement of burnt defective LT copper coil of different type capacity winding from transformer with and including superior quality enamelled copper winding strips of approved make of suitable size/guage and number of turns matching as per original winding of transformer including all insulating papers and material required for making of coil all as specified and directed by Engineer-in-Charge.

Material and Labour for brass terminal studs and bushing with brass check nuts including all accessories for primary (HT) side of transformer capacity 50 KVA to 160 KVA, 11KV/433 volts of any make/type including removing of old unserviceable items and testing complete all as specified and directed. Note:- This item shall not be applicable for item No 14 & 15.

Material and Labour for brass terminal studs and bushing with brass check nuts including all accessories for primary (HT) side of transformer capacity above 160 to 315 KVA, 11KV/433 volts of any make/type including removing of old unserviceable items and testing complete all as specified and directed. Note:- This item shall not be applicable for item No 15.

Material and Labour for brass terminal studs and bushing with brass check nuts including all accessories for secondary (LT) side of transformer capacity 50 KVA to 160 KVA, 11KV/433 volts of any make/type including removing of old unserviceable items and testing complete all as specified and directed. Note:- This item shall not be applicable for item No 14 & 15.

Material and Labour for brass terminal studs and bushing with brass check nuts including all accessories for secondary (LT) side of transformer capacity above 160 to 315 KVA, 11KV/433 volts of any make/type including removing of old unserviceable items and testing complete all as specified and directed. Note:- This item shall not be applicable for item No 15.

M & L for servicing and maintenance of HT VCB 630 Amps to 800 Amps, one incoming-four out going panel including checking of contacts, lubrication of mechanism, cleaning, tightening , Insulation resistance test for existing rated HT breaker, Tightening of all control wiring panel, repair to manual/electrical closing/trippping. Opening of panel back covers, removing of Bus bar, removing of PT, removing of CT's, cleaning of all bus bar, CT chamber and heating up chamber to remove moisture pressure test with pressure test kit complete testing of breaker, checking mechanism of fixed and moving contacts and removing carbon deposits and overhauling of spring charged mechanism and operation of indicators are correctly showing the ON/OFF and spring charged / discharged system, cleaning the surfaces of insulators, fasten the bolts fixed in interrupting units, mechanism linkages, replacing all unserviceable parts like CT, PT, vaccum inetruprures /any mechanism etc. lubricating and greasing the mechanism of moving parts and reparing of trip push button assembly including testing and calibration of protection relays and contd to item No-22.01

reconnecting back the VCB and testing complete all as specified and directed. Note:- The quoted rates shall also be deemed to include for submission of test reports for testing as specified above

M & L for servicing and maintenance of HT OCB 800 Amps, one incoming and four outgoing panel including checking of contacts, lubrication of mechanism, cleaning, tightening , Insulation resistance test for existing rated HT breaker, Tightening of all control wiring panel, repair to manual/electrical closing/trippping. Opening of panel back covers, removing of Bus bar, removing of PT, removing of CT's, cleaning of all bus bar, CT chamber and heating up chamber to remove moisture pressure test with pressure test kit complete testing of breaker, checking mechanism of fixed and moving contacts and removing carbon deposits and overhauling of spring charged mechanism and operation of indicators are correctly showing the ON/OFF and spring charged / discharged system, cleaning the surfaces of insulators, fasten the bolts fixed in interrupting units, mechanism linkages, replacing all unserviceable parts CT, PT /any mechanism etc. lubricating and greasing the mechanism contd to item No-23.01

of moving parts and reparing of trip push button assembly including testing and calibration of protection relays and reconnecting back the OCB and testing complete all as specified and directed. Note:- (a)The quoted rates shall also be deemed to include for submission of test reports for testing as specified above. (b) Draining, refilling and filtration of oil for required value is deemed into quoted rates.

PCC 1:4:8 (nominal mix) type D-2 using 40mm graded crushed stone aggregates, as in foundation filling and mass concrete for poles and stay/ installation paths etc complete all as specified and directed.

PCC 1:2:4 (nominal mix) type B1 using 20mm graded crushed stone aggregate, as in coping of poles and the like complete including weathering, slightly rounded or chamfered angles and throating with & including necessory form work required, complete all as specified and directed.

PCC 1:3:6 (nominal mix) type C-2 using 40mm graded crushed stone aggregates, as in foundation filling and mass concrete for poles and stay/installation paths complete all as specified and directed.

Material and labour for synthetic insulating mat of 2 mtr x 1mtr x3 mm thick in replacement complete all as specified and directed.

Material and labour for cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections conforming to Fe-290 Gde E-165 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 red oxide primer coat and two coat of silver paint all as specified and directed.

M&L for plates chequered channels, Fe 410-W (Grade-E-250 ) quality ''A ' ,square/rectuangular cut or notched (ordinary and counter sunk) forming holes, with out any attachment, of appropriate size of cable duct all as specified and directed by Engineer-in-Charge.

Material and labour for painting of HT 4 pole structure consisting of steel tubular poles, bracing, cross arms, channels, clamps, supports, nuts, bolts with two coats of Silver paint over a coat of red oxide primer after preparing the existing external surfaces and marking of nomenclature of pole with black paint and including making alternate strips each of 30 cm height with black and red synthetic enamel paint upto 1.50 mtr height from top of PCC copping, complete all as specified and directed.

Material & labour for painting of HT two pole structure consisting of steel tubuler poles and connected steel sections such as bracing, cross arms , channels, supports, clamps , nuts , bolts of any type with two coat of aluminium paint over a coat of red oxide primer after preparing the old painted external surfaces and marking of nomenclature of pole with black paint and including making alternate strips each 30 cm with black and red synthetic enamel paint upto 1.50 mtr height from top of PCC copping, complete all as specified and directed.

Material & labour in repairs for HT Danger notice plate of size 25x20 cm made out 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 and including M.S. clamps, bolts and nuts of approved size, complete all as specified and directed.

Supply and fix in replacement of 11 KV air break gang operated device of rating 400 amps, 3 Pole, vertical type, mechanically operated, mounted on and including 11 KV porcelain insulators and steel frame with operating machanism worked from ground level with and including GI tubing 25 mm bore light grade and providing ACSR conductor jumpers duly crimped with lugs, connected to existing 11 KV supply and testing and including removing old unserviceable items complete all as specified and directed.

Supply and fix in replacement 33 KV air break gang operated device of rating 400 amps/600 amps, 3 Pole, horizontal mounting, mechanically operated, mounted on and including 33 KV porcelain insulators and steel frame with operating machanism worked from ground level,copper flat terminals, connected to existing 33 KV supply and testing and including removing old unserviceable items complete all as specified and directed. Make:- Jaipuriya or equivalent to makes specified in PS. Note for Item Nos 33 & 34 : Steel work (channels for GOD)for installation of above items to Pole(s) shall be measured and paid separately.

Material and labour in repairs for earthing complete with galvanised steel earth plate electrode 600mmX 600mmX 6mm thick buried directly in ground vertically ( earth pit not less than 2.25 metres deep below ground level) with top edge of plate not less than 1.5 metres below ground level, connected to and including galvanised iron strip of size 25 X 4 mm from earth electrode to test point or up-to 7.5mtr whichever is less by means of GI bolts, nuts, check nuts and washers all as per electrical plate no 3 of SSR Part-I provision of G I Pipe 40mm bore eight grade for protection of GI strip and GI watering pipe of 20 mm bore medium grade, GI funnel with wire mesh,including char-coal, salt packed all around the earth electrode plate in layers, PCC earth pit chmaber of size 30cmx30cm made of 1:3:6 type C1, with suitable handle, angle iron made of frame out of angle iron of size 40x40x4 mm, excavation, earth work in any strata and returning filling, removal of surplus soil and testing for required value complete all as specified and directed.

Stay assembly complete in replacement with accessories and GI stay rod 20 mm dia 1900 long, stay plate 300mm x 300mm x 6mm, galvanised thimbles, 400mm long stay bow and GI nuts, washers including loop type insulators, vitreous porcelain, white brown or green of large size with overall dimensions 90mm x 140mm, clearance of hole 25.5mm, etc and all other accessories as shown in electrical plate No 1 on Ser Page No 495 of MES Schedule Part-I (2009) complete including dismantling stay assembly complete all as specified and directed. Note : Stay clamp, Stay wire, excavation and earth work and concrete for stay pit shall be measured and paid separately.

Supply and fixing in replacement of disc type insulators, porcelain vitreous white brown or green, 145 mm high and 255mm dia ball and socket type, two-in-series assembly for tension with tension clamps for conductor having working pressure 11000 Volts including taking down existing cracked/unserviceable disc type insulator complete all as specified and directed.

Supply and fix in replacement 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 working pressure 11000 Volts grade of HT line including taking down existing cracked/unserviceable pin type insulator complete all as specified and directed.

Supply and fix in replacement disc type insulators, porcelain vitreous white brown or green, 145mm high and 255mm dia ball and socket type, single disc assembly for tension with tension clamps for conductor having working pressure 11000 Volts including taking down existing cracked/unserviceable disc type insulator complete all as specified and directed.

Cradles, hexagonal/rectangular, fabricated with galvanised steel wire 3.15 or 4mm dia including taking down old unserviceable wire complete all as specified and directed.

M & L in replacement for fibre glass discharge rod 11 KV complete all as specified and directed. Make:- Jaipuriya / Pactil / Atlas or equivalent to makes specified in PS.

M & L in replacement for fibre glass discharge rod 33 KV complete all as specified and directed Make:- Jaipuriya / Pactil / Atlas or equivalent to makes specified in PS.

M & L in replacement for electrical rubber hand gloves 11 KV complete all as specified and directed Make:- Jaipuriya equivalent to makes specified in PS

M & L in replacement for electrical rubber hand gloves 33 KV complete all as specified and directed Make:- Jaipuriya / Pactil / Atlas/ BHEL or equivalent to makes specified in PS.

Supply and fix in replacement of aluminium conductor, steel reinforced (ACSR) of following sizes as in overhead conductor including fixing aluminium tapes for binding including dismantling of old conductor of any size and capacity complete all as specified and directed: - (a) 6/1 x 3.0 - Ferret (b) 6/1 x 2.59 - Weasel (c) 6/1 x 2.11 - Squirrel Note: The weight of the conductor shall be determined as stipulated in Preamble (b) on Page 406 of SSR-2010 Part-II (Rates).

Excavation in trenches not exceeding 1.5 mtr wide and not exc 1.5 mtr depth for laying of cables, pipe lines, protection pipes and foundations etc and getting out in any type of soil complete all as specified and directed.

Returning filling in soil including spreading leveling watering and well rammimg in layer n exc 25 cm complete all as specified and directed.

Removing excavated material (soil) not exceeding 50m and deposition where dircted at a level not exceeding 1.50m above the starting point, all as specified and directed.

Dry sand cushioning to UG cable 8 cm thick before laying and 15cm thick after laying complete all as specified and directed. Note:- 1.Dry fine sand of best available quality shall be used. 2.Punned thickness shall be made and paid.

Rough excavation , not exceeding 1.5 m deep and getting out in any type of soil complete all as directed by Engr-in-charge.

M&L for Hard core of broken stone/boulders of gauge n exc 63mm deposited spreed and leveled in layers n exc 15cm thick watered and rammed to a true surface, complete all as specified.

Cutting / trimming of tree branches under OH HT electric line including cleaning upto 1.00 mtr horizontal distance on both sides of OH electric line from ground level of the poles including removing all creepers small bushes and tightening/strecthing of HT overhead conductor etc of under OH line upto 60 mitre each span complete all as specified and directed. (Note: Materials i.e safety harness, T&P like Axies, Daw, rope and the like will be provided by the contractor without any extra cost to the Govt).

Replacement of stay wire stranded 7/3.15mm including stay clamp and fixing arrangement complete all as specified

M/S NARAYAN CONSTRUCTION

M/S Chib Engineers