REPAIR AND MAINT OF HT 11 KV NETWORK INCLUDING TRANSFORMER SWITCH GEARS AND CONNECTED ACCESSORIES AT KHATIPURA AND HOSHIYAR SINGH MARG AREA UNDER (GE SOUTH) AT JAIPUR MIL STN

Amount

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation etc or for shafts, wells, cess pits, manholes, pier holes, laying cables erection of poles / struts/stays etc not exceeding 10 Sqm on plan, not exceeding 1.5 metre in depth and getting out in any type of soil. .etc complete all as specified and directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm in any type of soil. .etc complete all as specified and directed.

Removing of excavated material (soil) to a distance not exceeding 50 metres and depositing where directed at a level not exceeding 1.50metre above the starting point. .etc complete all as specified and directed.

Supplying and laying un-reinforced precast cable covers class HV, type I, flat, size 300mm x 180mm x 40mm.etc complete all as specified and directed.

M & L Sand cushioning to XLPE underground cable with screened and washed sand and punning to provide a required cover.etc complete all as specified and directed.

Taking out old unserviceable HT cable of following sizes and protection cover:-

(a) 95 Sq.mm, 3 core

(b) 120 Sq.mm, 3 core

(c) 185 Sq.mm, 3 core

Dismantling and taking down existing HT insulators of any type and size etc complete all as specified and directed.

M&L Disc type insulator, Porcelain, vitreous brown, white or green single disc assembly, 145mm high and 255mm dia ball & socket type, for tension clamps for conductors, working pressure 11000 volts. etc complete all as specified and directed.

M&L pin type, porcelain, vitreous brown, white or green insulator (HT), 150mm height and 150 mm dia, 11000 volts grade including one galvanised MS spindle, two GI washers and one GI nut etc complete all as specified and directed.

Supply of post insulator with GI post for holding fixed/moving contact assembly including fixing arrangement suitable for Air break gang operated switch 200 Amps, 11000 volts grade. etc complete all as specified and directed.

Supply & fixing or laying galvanised steel tubing light grade 100mm bore (ISI marked) for protection of underground cable on poles / walls under road crossing etc including dismantling & taking down existing pipe etc complete all as specified and directed.

M&L for trimming of tree branches upto 75mm dia to clean the route of HT/LT over head conductors in switch yards and open joints upto 3m from the conductors including removing the cut branches from site and depositing at places not exceeding 50m etc complete all as specified and directed. NOTE: (i) One/more tree branches covering 3m shall be considered as one unit. (ii) The frequency of trimming of tree branches shall not be less than 2 months

M&L earthing complete as per electrical plate No 3 of MES SSR Part-I with galvanised steel earth plate electrode 600 mmx600mmx6mm, buried directly vertically in ground in a pit depth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level connected to and including galvanised iron or steel earth strip 25mm x 4mm by means of bolts, nuts check nuts and washers of galvanised iron or steel. Earthing strip shall be protected by galvanised iron or steel pipe 40 mm bore light grade and connected to continuous earth wire on pole / test point. Watering pipe shall be 20 mm bore GI medium grade. The earthing shall be of inclusive of excavation & earth work in any type of soil, charcoal, salt, funnel PCC pit and RCC cover complete all as specified & tested complete. NOTE:- (i) The concrete pit shall be made in PCC 1:2:4 type B-O, using 12.00 mm graded crushed stone aggregate 40mm thick precast cover slab of RCC (1:2:4), type B-1, using 20mm graded crushed stone aggregate with suitable MS handle in lieu of CI cover. Reinforcement in cover shall be of 8mm dia TMT bars laid @150mm c/c both ways. (ii) Quoted shall include the cost of 7.5 metre GI pipe for protection of earth wire. (iii) Quoted shall include cost of 7.5 metre earth lead wire. (iv) Earth electrode shall be surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides.

M&L earthing complete as per electrical plate No 3 of MES SSR Part-I with galvanised steel earth plate electrode 600 mmx600mmx6mm, buried directly vertically in ground in a pit depth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level connected to and including galvanised iron or steel earth strip 32mm x 6mm by means of bolts, nuts check nuts and washers of galvanised iron or steel. Earthing strip shall be protected by galvanised iron or steel pipe 40mm bore light grade and connected to continuous earth wire on pole / test point. Watering pipe shall be 20 mm bore GI medium grade. The earthing shall be of inclusive of excavation & earth work in any type of soil, charcoal, salt, funnel PCC pit and RCC cover complete all as specified & tested complete. NOTE:- (i)The concrete pit shall be made in PCC 1:3:6 type C-1, using 12.5mm graded crushed stone aggregate 40mm thick precast cover slab of RCC (1:2:4), type B-1, using 20mm graded crushed stone aggregate with suitable MS handle in lieu of CI cover shown in electrical plate No 3 of MES SSR Part-I shall be provided. Reinforcement in RCC cover shall be of 8mm dia TMT bars laid @150mm c/c both ways (ii) Quoted shall include the cost of 7.5 metre GI pipe for protection of earth wire. (iii) Quoted shall include cost of 7.5 metre earth lead wire. (iv) Earth electrode shall be surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides.

M&L earthing complete using copper plate electrode 600 mmx600mmx3.15mm, buried directly vertically in ground in a pit depth not less than 2.25 metres below ground level with top edge of earth plate at a depth not less than 1.5 metre below normal ground level connected to and including copper earth strip 20mm x 3mm by means of bolts, nuts check nuts and washers of galvanised iron or steel. Earthing strip shall be protected by galvanised iron or steel pipe 40mm bore light grade and connected to continuous earth wire on pole / test point. Watering pipe shall be 20 mm bore GI medium grade. The earthing shall be of inclusive of excavation & earth work in any type of soil, charcoal, salt, funnel PCC pit and RCC cover complete all as specified & tested complete. NOTE:- (i) The concrete pit shall be made in PCC 1:2:4 type B-O, using 12.00 mm graded crushed stone aggregate 40mm thick precast cover slab of RCC (1:2:4), type B-1, using 20mm graded crushed stone aggregate with suitable MS handle in lieu of CI cover. Reinforcement in cover shall be of 8mm dia TMT bars laid @150mm c/c both ways. (ii) Quoted shall include the cost of 7.5 metre GI pipe for protection of earth wire. (iii) Quoted shall include cost of 7.5 metre earth lead wire. (iv) Earth electrode shall be surrounded by adequate quantity of charcoal dust and salt to a packed thickness of 15 cm on all sides.

Supply, laying and commissioning XLPE insulated screened, PVC bedded galvanised steel strip or wire armoured electric power cables (heavy duty) with aluminium conductor 11000 volts grade IS-7098 marked, suitable for HT 11 KV (E) System laid in trenches/ ducts/ encased in GI pipe/ fixed to poles including jointing & testing complete all as specified and directed of following cross sectional area cable (Earthed):-

(a) 95 Sq.mm, 3 core

(b) 120 Sq.mm, 3 core

(c) 185 Sq.mm, 3 core

M&L for boring of existing road/path for laying of GI pipe protection for UG cable including making good disturbed area/surface etc complete all as specified and directed.

M&L for cable end termination, jointing kit, HT 11 KV grade, heat shrinkable, outdoor type complete with jointing material suitable for HT XLPE cable 3 core 11 KV grade etc complete all as specified and directed of following sizes :-

(a) 50 to 95 Sq.mm x 3 core

(b) 120 to 185 Sq.mm x 3 core

M&L for cable end termination, jointing kit, HT 11 KV grade, heat shrinkable, indoor type complete with jointing material suitable for HT XLPE cable 3 core 11 KV grade etc complete all as specified and directed of sizes 120 to 185 Sq.mm x 3 core.

M&L for cable, jointing kit, HT 11 KV grade, heat shrinkable, straight through type complete with jointing material suitable for HT XLPE cable 3 core 11 KV grade etc complete all as specified and directed of sizes 120 to 185 Sq.mm x 3 core.

S&F of lightening arrestor expulsion type complete with all fittings transmission class discharge capacity 65 KA suitable for 11000 volts including taking down old unserviceable etc complete all as specified and directed.

Supply, installing, testing and commissioning of Air break, gang operated, triple pole switch, outdoor, horizontal / vertical mounting type (ISI marked), mechanically operated, mounted on insulators and MS frame work with operating mechanism worked from ground level with locking arrangements including Godrej pattern 65mm pad locks with two keys, complete suitable for HT 11 KV, 50 Hz AC supply including necessary electric connections complete including taking down old unserviceable etc complete all as specified and directed by Engineer-in-Charge of following rating :-

(a) 200 Amp rating complete with fuse carriers and HT fuse elements.

M&L for dismantling and taking down unserviceable HT gang operated air break switch any type & size including all accessories from HT feeder two/four pole structure for repair/replacement including oiling and greasing of mechanical moving parts, smoothing and polishing of electric contacts with providing conducting jelly on contacts re-fixed the same in position including connection after necessary repair/replacement of unserviceable part etc complete all as specified and directed. NOTE: New spare/components shall be measured and paid separately

M&L for painting two coat of aluminium paint on members of HT steel structure (for bus bar and GOD of single transformer) over one coat of red oxide with brush/spray at site including scrapping and preparation of surface etc complete all as specified and directed.

S&F of metallic (brass/alloy steel) fixed contact set single pole including fixing screwed nuts and washers suitable for air break gang operated switch of cap 200/400 amp 3 pole 11000 volts grade including taking down etc complete all as specified and directed.

S&F of metallic (brass/ alloy steel) moving contact set single pole including screws, nuts and washers suitable for air break gang operated switch of capacity200/400 Amp 3 pole 11000 volts including taking down etc complete all as specified and directed.

Supply only flexible copper straps including fixing screws, nuts and washers suitable for air break gang operated switch 200/400 amps 11000 volts for single phase including taking down etc complete all as specified and directed.

M&L for shifting of trolley mounted step down transformer of any capacity any location within the station to location of defective transformer and connecting to HT cable 11000 volt in coming from existing source and LT outgoing cables etc complete all as specified and directed by Engineer-in-Charge. NOTE: T&P required for loading, unloading, shifting transporting the trolley mounted transformer back to E/M yard is deemed to be inclusive of the quoted rate.

M&L for Dehydration /filtration of transformer oil existing transformer installed at site with portable plant to improve the dielectric strength 60 KV including testing of dielectric strength after dehydration and filtration at site.etc complete all as specified and directed. NOTE: Pre-heated oil shall be topped up as required at site before the process; oil will be measured and paid separately under respective item.

Supply & filling of transformer oil in transformer installed/ at site for toping up the level of oil having dielectric strength 60 KV during filling after initial filtration conforming to IS-335. etc complete all as specified and directed. NOTE: Transformer oil shall be supplied in sealed container and empty barrel of transformer oil will be deposited by contractor in E/M store yard.

S&F breather with silica gel in replacement (for transformer of any type/cap) complete with end fitting etc complete all as specified and directed by Engineer -in-Charge

M&L for Opening of transformer cover at site for carrying out repairs such as replacement of bushing rods gasket etc and re-assembling with new gasket after carrying out required repairs etc complete all as specified and directed. NOTE: Bushing rods shall be measured and paid separately.

M&L for disconnecting of defective transformer (indoor/outdoor type) 11KV/433 volts copper/ Aluminium wound from power mains and dismantling the same from 2/4 pole structure/ platform mounted and transporting the same to authorised workshop in the presence of rep of GE and opening the transformer cover, draining out of transformer oil and keep safely for reuse after filtration, assembling, removing of the burnt parts ie tape, paper insulating strings etc gently and carefully, washing of the dust, rust and dirt from all parts including taking out HT/LT leg coil core tank and cooling tubes, painting the inner side tank by zinc chromate paint and preparing the same for re-assembling after carrying out required repair and installation on existing 2/4 pole structure/ platform with necessary fixing arrangement including connecting up electrically, commissioning and testing etc complete all as specified and directed by Engineer-in-Charge and specified in particular specification of the following capacity :-

(a) 63 KVA to 125 KVA capacity

(b) 150 KVA to 250 KVA capacity

(c) 315 KVA to 400 KVA capacity

NOTE: (i) Repair cost is deemed to be included in the quoted rate; and Unserviceable items required to be replaced shall be measured and paid separately. (ii) The burnt transformer oil will be contractor property & any new oil will be measured and paid separately under respective item. (iii) The coils and the oil shall be inspected for repair/replacement by department rep detailed by GE.

Supply only following parts for indoor /outdoor transformer :-

(a)HT/ LT leg coil with insulation for copper wound transformer of any type / capacity including rewinding.

(b) HT/ LT leg coil with insulation for Aluminium wound transformer of any type / capacity including rewinding.

Supply only HT porcelain bushing complete with brass/tinned copper rod with nuts and gasket set complete for following cap transformer :-

(a) 63 KVA to 125 KVA capacity

(b) 150 KVA to 250 KVA capacity

(c) 315 KVA to 400 KVA capacity

Supply only LT porcelain bushing complete with brass/tinned copper rod with nuts and gasket set complete for following cap transformer :-

(a) 63 KVA to 125 KVA capacity

(b) 150 KVA to 250 KVA capacity

(c) 315 KVA to 400 KVA capacity

M&L for Painting of transformer of following capacity with two coats of synthetic enamel paint of grey colour by spray complete including preparation of old surfaces, removing, cleaning of oil, grease etc. complete all as specified and directed by Engineer in Charge of following capacity :-

(a) 63 KVA to 125 KVA capacity

(b) 150 KVA to 250 KVA capacity

(c) 315 KVA to 400 KVA capacity

Supply & fixing HT Jumper not more than 2 Metres long in repair/replacement on existing OH circuit/two Pole/four Pole Structure etc including ACSR Conductor (Weasel) using PG clamp /lugs, fasteners etc as per site requirement. etc. complete all as specified and directed

M&L for refilling fresh Silica Gel into the breather including removal of unserviceable item. etc. complete all as specified and directed

M&L for Surface Dressing/Cleaning of various 11 KV Sub-Stations free from vegetation of any type including trimming of tree branches, bushes, creepers, etc. complete all as specified and directed Note: The frequency of surface dressing shall not be less than 2 months

M&L for MS work such as angle iron fencing post struts and flat iron fillets etc of grade Fe-310-0, including drilling holes, punching, splitting ends to secure chain link fencing or fixing of barbed wire to posts including all necessary cutting, welding drilling, bolting or riveting etc and including bands strap support for chain link, steel screw as required,flat iron strip fixed to secure the fencing on posts complete and rolled mild steel Framed work as in Gates of angle or other section with gusset plates, rails, braces, etc., complete, drilled for fixing of steel sheeting or other covering, Doors etc. to be prepared for hanging or sliding with & including either hooks & hinges or steel hanging door fittings (exclusive of steel sheeting or other covering, running rails & guides) & hanging; also fastening & fixing complete GDE Fe 410-0 or Fe 310-0 including taking down old fencing etc. complete all as specified and directed

Supplying and spreading of stone aggregate 40-63 mm size in sub-stations/electric yards including levelling etc. complete all as specified and directed

S&F of chain link fencing of size 80mm x 80mm, 4mm dia including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc including provision of binding wire and taking out old fencing etc. complete all as specified and directed .

M&L for dismantling damaged/ perished locking arrangement of GOD and making new locking arrangement with provision of 65mm Godrej lock with 2 keys etc. complete all as specified and directed .

M&L for relaying HT cable of any type and size.

M&L for relaying of PCC cable cover of any type and size.

M&L for fault locating in HT/LT cables of any type/size using precision machine vehicle mounted for pin point location of fault below ground level on requirement for etc complete all as specified and directed by Engr-in charge.

M&L for painting two coat of aluminium paint on steel structural members of HT 2 pole PCC structure over one coat of red oxide with brush/spray at site including scrapping/ removing paint from old surfaces and preparation of surface etc complete all as specified and directed by Engr-in charge.

M&L painting to HT PCC poles with two coats yellow and white paint alternatively all around the pole from the bottom of the pole as straps for identification of pole. The height of the strap shall be 30cm and number of straps shall be 05 Nos etc complete all as specified and directed by Engr-in charge.

S&F HT fuses 5 Amps to 50Amps etc complete all as specified and directed by Engr-in charge.

Schedule of Credit

Lakshmi Enterprises

DIVYA ASSOCIATES

M/S Anil Enterprises