85960 REPAIR / SERVICING AND MAINTENANCE OF HT TRANSFORMER, HT CABLE, GOD, 2 POLE STRUCTURES, LIGHTENING ARRESTER AT CHSC, UOT CHSC, 4 RMC QTRS, ALC QTRS, EME QTRS IN THE AREA OF AGE E/M-II UNDER GE (SOUTH) PUNE

Amount

M&L for dismantling of HT unserviceable steel poles of any size including taking out of embedded portion of poles from concrete after necessary demolition of concrete foundation and disposal of the same all as specified and directed.

M&L for dismantling cross-arms of MS channel or angle sections etc. complete and setting aside for re-use and removing unserviceable /rusted crossarms and accessories from Site, complete all as specified and directed.

M&L for dismantling air break gang operated swtches vertical/ horizontal mounted including insulators and operating mechanism for repair/replacement of broken/worn out components and insulators etc.and keeping serviceable gang operated switches in safe custody for re-use and removing unserviceable gang operated switch from Site, complete all as specified and as directed.

M & L for dismantling of HT Lightning Arresters of any type/rating with all fittings complete all as specified and directed.

Supply, erecting & fixing Steel tubular swaged pole, 11.0 metres long complete with cast iron base plate, finial taper plug,bolts, nuts and screws as specifed type 410 SP-55 complete all as specified & directed. [Note: Excavation & earthwork, cement concrete, etc. will be measured and paid separately under relevant Items of this Schedule]

S & F 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 including two coats of aluminium paint over a coat of red oxide zinc chrome primer including preparation of surfaces complete all as specified & as directed.

Fixing only serviceable Cross arms, bracings, supports, clamps and back plates etc. as obtained from srl item No 02 here-in-before including two coats of aluminium paint over a coat of red oxide zinc chrome primer after necessary preparation of surfaces complete all as specified & as directed.

S & F in replacement aluminium conductor, steel reinforced (ACSR) jumper of length 1.5 mtr to 3 mtr with ends crimped with lugs and necessary nuts, bolts and washers, connectors including straining, binding and fixing to insulators/fuse units and providing PVC sleeves for jumpers where necessary complete all as specified and as directed.

S&F in replacement compression/crimping type sleeve joints for jointing conductors/jumper connections upto 10 mm dia conductor wire including treatment with conducting jelly complete all as specified anmd as directed.

S & F transmission class, discharge capacity 65 Kilo Amp of rating 11 KV including connecting with earth lid with necessary nuts, bolts etc. complete all as specified and as directed.

S & F switch air break, gang operated, triple pole, 11000 Volts grade and current rating upto 200 Amps, mechanically operated, mounted on insulator and steel frame with operating mechanism worked from ground level complete all as specified and directed.

S & F in replacement DO fuse element 11 KV ratings, 10-50 Amps Capacity complete all as specified and directed by Engineer In charge.

S & F in replacement drop out expulsion fuse assembly single pole 25 to 50 Amp capacity, 11000 Volts grade including taking down old unserviceable one complete all as specified and directed.

M & L for testing and fault locating of HT underground cable with the help of cable fault locating machine at site complete all as specified and directed by Engineer In charge. Note - The quoted rate shall deemed to be included the cost of transportaion of machine to and from site and any rental charges for the machine. Locating of faults at one site will be measured as one Job irrespective of the number of faults. Rectification of fault will be measured and paid separately under relevant items seperately

M & L 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 directed.

All as per item No. 15.00 above but heat shrinkable outdoor termination joint of size 120 to 185 Sqmm size complete all as specified and directed.

M&L for cable jointing kit for 11 KV (earthed) grade cable for indoor termination cold shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm including taking out old one complete all as specified and directed.

M&L for 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 95 Sqmm including taking out old one complete all as specified and directed.

M & L for cable jointing kit for 11 KV grade (earthed) 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 95 Sqmm including taking out old one complete all as specified and directed.

All as per item No 19.00 above but heat shrinkable straight through joint of size 120 to 185 Sqmm size complete all as specified and directed.

Taking out old unserviceable HT cables including protection pipes of any description from trenches/poles/transformers of any size and removing unserviceable materials from site complete all as specified and as directed. Note - Excavation & earthwork shall be measured & paid separately under relevant items.

Supply, Laying, Jointing, commisssioning & testing in replacement HT UG cable XLPE insulated, earthed, screened, PVC bedded, armoured heavy huty electric cable with aluminium conductor, 11000 Volts grade of size 95 sqmm drawn through pipe or laid in trenches, fixed on poles etc. complete all as specified and as directed.

All as ser per item No 22.00 above but size of cable 120 Sqmm x 3 core complete all as specified and directed.

Excavating in post holes (or similar holes) each n exc 0.5 Cum getting out, returning, filling in and ramming earth or broken rubble mixed with earth around, in layers not exceeding 25 cm in soft and loose soil complete all as specified and as directed.

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

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc 25 cm in soft/loose soil complete all as specified and directed.

Removing excavated material (soil) n.exc.50m and depositing where directed at a level n.exc. 1.5 m above the starting point complete all as specified and directed.

M&L for laying double wall corrugated HDPE pipe, UV stabilized of size 120X103 mm (ODX ID), IS-16205 for cable protection laid in trenches or fixed to walls complete all as specified and as directed.

M & L for plain cement concrete 1:4:8 type D2 (40mm graded aggreagate) for sub base of poles, complete all as specified and as directed.

M & L for plain cement concrete 1:3:6 type C2 (using 40mm graded aggreagate) for foundations/filling mass of poles, stay assembly, struts, etc. complete all as specified and as directed.

M & L for plain cement concrete type B1 (1:2:4) (20mm graded stone aggreagate) as in coping of poles including necessary form work complete all as specified and as directed.

S & F in replacement for 80 mm dia GI pipe ‘light grade’ with all fittings for protection of cable laid on road crossing, drain crossing, laid in floor or fixed to iron structures/poles complete all as specified and directed.

M & L for Boring of holes under road, pavement, hard standing by trenchless technology using ultra sounding technique and necessary machine including HDPE pipe of 150 mm dia suitable for 0.4 mpa working pressure complete all as specified and directed.

M & L for cable route indicator for HT UG cable with cast iron plate circular or rectangular showing (HT UG cable 11000 V) with angle iron support of size 50X50X6 mm, minimum 0.4 mtr length including fixing nuts and bolts complete all as specified and as directed.

M & L for Repair/maint/servicing in situ of 11 KV gang operated mechanical air break switch 200/400 Amps capacity including replacing defective pars if any and greasing the moving parts with silicon grease complete all as directed. Note - Spare parts/materials replaced (if required) during servicing will be measured and paid seperatelly under relevant items of the schedule as supply only.

S & F in replacement moving contact blade for air break switch GOD for 11 KV complete all as specified and directed.

S & F in replacement fixed contact jaw for air break switch GOD for 11 KV complete all as specified and directed.

S & F in replacement tinned copper flexible jumper 200 Amp for air break switch GOD for 11 KV complete all as specified and directed.

S & F in replacement MS jumper carrier for air break switch GOD for 11 KV complee all as specified and directed.

S & F in replacement fixed back connector for air break switch GOD for 11 KV complee all as specified and directed.

M& L for Testing and Checking for tripping of 11 KV HT OCB, MDO Type, Rated Current 400A through IDMT over current and earth fault microprocessor based relay intented in service by primary current injection in CT and resetting time of relay at rquired overload and earth fault current to ensure proper function of relays trip coil, control circuit etc during fault condition complete all as specified and directed.

M & L for overhauling of 11 KV HT OCB, MDO Type, Rated Current 400A by dismantling of operating mechanism parts, thoroughly cleaning with cleaning agent and replacing worn out moving parts if any, reassembling of parts including thorough cleaning of the panel board, main bus bar , de carbonizing all joints of bus bar, CTs, Pts spouts metal parts and making OCB perfect operating in manual mode including all routine and preventive maintenace complete all as specified and directed. (Note :- (i) Requirement of any major Spare parts used during servicing will be measured and paid separatelyunder relevant items, however minor spare parts like not, bolts, washers, screws, control wiring etc shall deemed to be included in quoted rate)

S & F in replacement of TNC switch, 220 VDC, suitable/compatible for operation of existing 11 KV OCB Breaker including dismantling of existing one complete all as directed.

Supply and Toping up of Insulation oil, suitable/compatible to Existing OCB 11 KV HT, di-electric strength not less than 50 KV including draining out the burnt oil complete all as specified and as directed.

M & L for trimming of tree branches around the 11 KV Substation/Distribution yard to clear the approach including removing of nest, wild grass creepers, unwanted vegetation, etc and dispose off from site at least twice during the contract period or as and when directed by Engineer-in Charge complete all as specified & directed.

Surface dressing of installation area by removing of grass, creepers, etc from the roof of the building, in fencing and surrounding area of installation building complete all as specified and directed.

M & L for loose filling of aggregates of gauge up to 40 mm all-round the transformer platform complete all as specified and directed.

S & F in replacement danger notice plate of 1.6 mm thiick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps,. Bolts and nuts of approved size, for HT 25X20 cm size complete all as specified and as directed

M & L for Dehydration and filtration of transformer oil at different locations in situ with filtration machine and heating system to get Di-electric strength of oil above 40 KV per milimeter minimum without disturbing the power supply system complete all as specified and as directed. (Note: Any requirement of transformer Oil for filling/topping up shall be measured and paid separately under relevant items)

Supply, filling & toping up new transformer oil up to desired level complete all as specified and as directed. [Note: Dielectric strength of oil shall not be less than 50 KV while toping up.]

M&L for opening top cover from transformer of capacity 50 KVA to 750 KVA at site for replacement of old unserviceable spares/components & reassembling & testing complete all as specified and as directed by Engr-in-Charge: - (Note:- Unserviceable spare/components parts shall be measured and paid separately here-in-after under relevant item)

S & F in replacement of LT Bush insulators as per existing size and shape for 315 to 750 KVA capacity transformers complete all as specified and directed.

S & F in replacement of LT Bush insulators as per existing size and shape for 100 to 300 KVA capacity transformers complete all as specified and directed..

S & F in replacement of LT stud (metal parts) as per existing size and shape for 315 to 750 KVA capacity transformers complete all as specified and directed.

S & F in replacement of LT stud (metal parts) as per existing size and shape for 100 to 300 KVA capacity transformers complete all as specified and directed.

S & F in replacement of gasket (set of four) for LT bushing as per existing size & shape complete for the 315 to 750 KVA capacity transformers complete all as specified and directed.

S & F in replacement of gasket (set of four) for LT bushing as per existing size & shape complete for 100 to 300 KVA capacity transformers complete all as specified and directed.

S & F in replacement of top cover gasket set as per existing size and shape complete for 315 to 750 KVA capacity transformers complete all as specified and directed.

S & F in replacement of top cover gasket set as per existing size and shape complete for 100 to 300 KVA capacity transformers complete all as specified and directed.

S & F in replacement Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity 315 to 750 KVA, 11/0.433 KVolts transformers complete all as specified and as directed.

S & F in replacement Ceramic Bush insulators on HT side as per existing size, shape and specification for capacity 100 to 300 KVA, 11/0.433 KVolts transformers complete all as specified and as directed.

S & F in replacement brass spindle on HT side as per existing size, shape and specification for capacity 315 to 750 KVA, 11/0.433 KVolts transformers complete all as specified and as directed.

S & F in replacement brass spindle on HT side as per existing size, shape and specification for capacity 100 to 300 KVA, 11/0.433 KVolts transformers complete all as specified and as directed.

S & F in replacement of temperature gauge of range 0 to 200ºC for indication of temperature rise in transformer oil for transformers upto 750 KVA capacity complete all as specified and directed.

S & F in replacement of breather assembly including silica gel for transformer up to 750 KVA capacity complete all as specified and directed.

S&F of 32 mm dia gun-metal drain valve of transformer as per existing one complete all as specified and directed.

All as per serial item No 67.00 here-in-before but 25mm dia complete all as specified and directed.

All as per serial item No 67.00 here-in-before but 20mm dia complete all as specified and directed.

M & L for preparation of old painted steel or iron surfaces of 100 KVA to 300 KVA transformer by scrapping with steel wire brush/scrapper emery paper etc and applying two coats of synthetic enamel smoke grey paint over a coat of red oxide primer (painting shall be done by spray machine) including writing of SM No, MES No etc. at prominent place/location of transformer with black synthetic enamel thick paint in white back ground complete all as specified and directed [Note: The contractor shall sought for shut down of power supply from the Engr-in-Charge before commencing the work, and shall intimate and restore electric supply as early as possible after completion of the work]

All as per ser item No. 70.00 here-in-before but transformer capacity 315 KVA to 750 KVA complete all as specified and directed.

M & L for disconnection of HT/LT connection, earthing lead and taking down carefully defective Transformer of capacity of 100 to 750 KVA, 11 KV/433 Volt from 2/4 pole structure/Platform including transportation to factory/ workshop and draining out existing transformer oil, opening the top cover of the transformer, by removing nut, bolts, washer etc and lifting the core and winding after removing LT/HT spindle with bushing and cleaning the yoke and winding/core,spindle bushing and replace the worn out nut, bolts, washer gaskets etc with provision of cork sheets of 6mm thick (best quality) and filling the transformer oil which was removed earlier, through stream line filter after dehydration and back to site after necessary repair & lifting of Transformer to its original position including necessary testing complete all as specified and directed. (Note:- (i) Gasket set, LT/HT side ceramic bushing, spindle for HT/LT side, rewinding, dehydration of oil shall be measured and paid separately under respective items. (ii) The cost includes the cost of transportation of transformer from and back to site and any damage occured during transportation shall be the responsibilty of the contractor and necessary Insurance of transformer may be got done by contractor at his own cost to avoid any mishappening during transportation and a copy of same shall be submitted.)

M & L for rewinding of HT/LT coil of transformer any capacity using appropriate size super enamelled copper wire and HT insulation material suitable for working voltage 11 KV complete all as specified and directed.

S&F in replacement for off load tap changer suitable for transformer of capacity 100 to 300 KVA complete all as specified and directed.

S&F in replacement for off load tap changer suitable for transformer of capacity 315 to 750 KVA complete all as specified and directed.

M & L for preparation of old painted surfaces and removing dust and other deposited material by scraping from Steel tubular poles of upto 11.00 metre length, cross arms brckets and applying 2 coats of aluminium paint to all steel surfaces, including MS clamps ,cable protection pipe bracket fitted with street light fittings etc and including Zebra colour of painting from 1.5 mtr height from the top of caping/ bottom of pole as per site condition and numbering of poles complete all as specified and as directed by Engr-in –charge Note: Zebra colour will be applied by synthetic enamel paint of black/yellow colour as approved in alternate layer of 30 cm height of each layer.

All as per ser item no 76.00 above but 2 pole structure complete all as specified and directed.

All as per ser item no 76 above but 4 pole structure complete all as specified and directed.

M & L for earthing complete with galvanised steel earth plate electrode 600X600X6 mm thick buried directly in ground preferably vertically in ground with top edge not less than 1.25 mtr deep below normal ground level connected with and including galvanised iron wire 4 mm dia as earthing lead by means of nuts bolts and washers of galvanized iron protected by 15mm dia (medium grade) GI tubing, funnel, wire mesh, 20mm bore GI tubing (light grade) watering pipe , including concrete pit in PCC (1:3:6) type C-1, precast RCC (1:2:4) type B-1 cover slab of size 350x350x50mm reinforced with 8mm dia TMT bars @ 15cm c/c in both ways and 10mm dia MS handle (01 No) of suitable size, charcoal and salt in alternate layers necessary excavation and earth work in soft/loose soil all as shown in Electric plate No. 3 of SSR part-I and testing on completion complete all as specified and as directed.

M & L earthing complete with galvanised steel earth plate electrode 600 x 600 x 6mm thick, burried directly in ground (earth pit not less then 2.25m deep bellow ground level) with top edge of the plate not less then 1.5m deep below normal ground level connected to galvanised iron strip of 32 x 6mm earth lead by means of bolt, nuts, washers of galvanised steel earth strip protected by and including GI pipe 40mm dia bore (light grade) and conncted to main test point as directed and including concrete pit in PCC(1:3:6)type C-1 precast RCC(1:1.5:3)type A-1 cover slab 54 x 5 cm reinforced with 4mm dia TMT bars @ 150 mm c/c both ways with one handle for lifting made out of 8mm dia TMT bar embedded in precast cover slab funnel wire mens 20mm bore GI pipe (medium grade) for watering charcoal and salt in altemate layers, including necessary excavation and earth work in any type of soil complete all as shown on electrical plate No. 3 of SSR part-I complete all as specified.

Rama Electricals (BID ID -3460127)

Star Electrical (BID ID -3460132)

SBS Enterprises (BID ID -3460938)