PERIODICAL MAINTENANCE AND REPAIR TO DISTRIBUTION TRANSFORMERS AND OIL FILTERATION, TOPPINGUP ETC AND ELECTRIC CABLES, JOINTS UNDER AGE E/M-I UNDER GE CENTRAL KIRKEE

Amount

M & L for filtration/dehydration transformer oil of transformer voltage grade 11/0.433 KV, capacity 100 KVA to 630 KVA indoor/outdoor type, pole mounted / plith mounted in situ till achieve dielectric strength min 40 KV complete all as specified and directed. Note for item No 1 & 2 :- Required machinery for filtration of oil is included in the quoted rate

M&L for opening of top cover in situ or at wksp by unscrewing all nuts, bolts & washers, draining out transformer oil upto required level and keeping in clean container for replacement of HT/LT bushings, for lifting of core assy, for cleanning/repair and refixing complete with new cork sheet gasket, existing/new nuts, bolts & washers for transformer indoor/outdoor type, refilling of oil complete all as specified and directed. (Note:- HT/LT bushings, Studs, Nuts, bolts & washers required new mesured here-in-after as separate item.) for transformer capacity 100 KVA to 630 KVA, 11/0.433 KV volts grade.

M&L for replacement of transformer HT porcelain bushing outdoor/indoor type in situ/wksp suitable for 11 KV grade complete with brass stud, rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 100KVA to 200 KVA, 11/0.433 KV transformer complete all as specified and directed. Note:(a) Opening of top cover measured separately (b) Brass stud will be measured separately

M&L for replacement of transformer HT porcelain bushing outdoor/indoor type in situ/wksp suitable for 11 KV grade complete with brass stud, rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 250-315 KVA, 11/0.433 KV transformer complete all as specified and directed. Note:(a) Opening of top cover measured separately (b) Brass stud will be measured separately

M&L for replacement of transformer HT porcelain bushing outdoor/indoor type in situ/wksp suitable for 11 KV grade complete with brass stud, rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 400-630 KVA, 11/0.433 KV transformer complete all as specified and directed. Note:(a) Opening of top cover measured separately (b) Brass stud will be measured separately

M&L for replacement of transformer LT porcelain bushing indoor/outdoor type in situ/wksp suitable for 1100 volts grade complete with rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 100-200 KVA, 11/0.433 KV transformer complete all as specified and directed. Note:(a) Opening of top cover measured separately. (b) Brass stud measured separately

M&L for replacement of transformer LT porcelain bushing indoor/outdoor type in situ/wksp suitable for 1100 volts grade complete with rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 250-315 KVA, 11/0.433 KV transformer complete all as specified and directed. Note:(a) Opening of top cover measured separately. (b) Brass stud measured separately

M&L for replacement of transformer LT porcelain bushing indoor/outdoor type in situ/wksp suitable for 1100 volts grade complete with rubber bush, washers, nuts, checknuts and cork sheet gasket for the rating of 400-630 KVA, 11/0.433 KV transformer complete all as specified and directed. Note:(a) Opening of top cover measured separately. (b) Brass stud measured separately

M&L for replacement of brass stud suitable for LT 1100 volts grade with con & rubber washer, double Brass nuts & brass washer at both end of stud for Transformer cap 100-200 KVA complete all as specified and directed.

M&L for replacement of brass stud suitable for LT 1100 volts grade with con & rubber washer, double Brass nuts & brass washer at both end of stud for Transformer cap 250-315 KVA complete all as specified and directed.

M&L for replacement of brass stud suitable for LT 1100 volts grade with con & rubber washer, double Brass nuts & brass washer at both end of stud for Transformer cap 400-630 KVA complete all as specified and directed.

Taking out manually defective transformer of capacity 100-630 KVA from its position upto road n. exc 30 mtr and transportation by vehicle to nearby workshop and re-installation at original position after repair or Shifting of transformer from present location to other/original location due to site requirement all as specified and directed. (Note: a) Rate deemed to included for necessary HT/LT cable/ACSR, earthing connection after installation)

M & L for lifting up carefully transformer core after dismantling carefully terminal connections from core to HT/LT bushings, tap changer assy, drainout all oil and keeping in clean container, dismantling all HT & LT coils from core for rewinding, and reassembling complete with HT/LT coils to core, required necessary numax paper insulation, insulating press board, precompressed board size of 6mm/3mm/1.5mm/1mm, varnishing, heating to achieve insulation level not less than 1000 mega ohms at both HT & LT side, core at transformer chamber, tap changer assy, terminal connection, top cover with new cork sheet gasket, required existing/new nuts, bolts & washers, filling transformer oil, testing after repair complete all as specified and directed for the 100-630 KVA, 11/0.415 KV transformer. (Note:- Opening of top cover, Rewinding of HT/LT coils, transformer oil, nuts, bolts & washers, HT/LT busings, required new mesured separately under appropriate item)

M&L for rewinding of HT coils suitable for 11000 volts grade with new DPC/super enamelled copper wire having Class-F insulation as per existing size and turns for capacity of transformer 100-630 KVA complete all as specified and directed.

M&L for rewinding of LT coils suitable for 1100 volts grade with new DPC /super enamelled copper strip having Class-F insulation as per existing size and turns for capacity of transformer 100-630 KVA complete all as specified and directed.

Supply only mild steel screw bolts (machine made) with hexagonal head at one end and screwed the other with washer and one hexagonal nut n. exc 5 cm long and 5 to 10 mm dia of neck complete all as specified and directed.

M&L for replacement of Tap changer assembly having 7 position of transformer including dismantling and taking out old unserviceable one and dismantling all winding terminal connections and reconnection after replecement complete upto transformer capacity 630 KVA 11/0.433 KV complete all as specified and directed.

M & L for replacement of silica gel grains in the breather assembly of transformer complete all as specified and directed.

M & L for replacement of breather assembly made with polycarbonate base and clear acylic glass of size min 50mm dia, min 120 mm long for transformer complete all as specified and directed.

M & L for replacement of transformer temperature gauge dial type having temprature range 0 to minimum 120 degree celcius complete all as specified and directed.

M&L for painting of transformer outer surface in situ/wksp with one coat of synthetic enamel paint using sprayer for transformer capacity 100-630 KVA after preparation of old painted surfaces. (Note : (i) During process of painting, transformer will be under shut down for the period and the rate deemed to be included for running the sprayer machine with own arrangement by contractor. (ii) After completion of painting HT/LT outdoor bushing, cable termination joint, Oil inspection glass and name plates to be made clean using volatile cleanner) complete all as specified and directed.

M&L for Aluminium strip 50mmx10mm, 120mm long, drilling hole to both end according to stud dia, and fixing to LT terminal of Transformer for cable connection complete all as specified and directed.

M&L for writing letters or figure (block, english) of size 40mmx40mm on Transformer indicationg Serial No/MES No number using black synthetic enamel paint complete all as specified and directed.

Supply and fixing chain link fencing 3.15 mm dia wire, hot dipped galvanised chain link fencing with zinc coating, including line wire, any type of standards, rails straing bolts etc including provn of binding wire including dismantling and taking down unserviceable one (2.55 Kg per sqm with 2''x2'' mesh of 3.15 mm dia wire) Note:- Angle iron/steel sections shall be measured and paid separately under relevant items of sch "A" complete all as specified and directed.

M&L for mild steel work of angle fixed independently for fencing post and others confirming to Gde Fe 410-A incl cutting to dead end length where required, notching, drilling, fitting and/or welding or connecting with bolts and nuts incl dismantling taking down unsv one complete all as specified and directed.

M&L for TMT bars 10mm dia and over cut to length, bent to shape required, including cranking, bending spirally for hooping for columns hooking ends or as in horizontal bar for fixing in fencing and binding with and including mild steel wire (anealed) not less than 0.9mm dia or securingwith clips complete for support of chain link fencing incl dismantling taking down unsv one all as specified and directed.

M&L for hardcore of guage n.exc. 63 mm , deposited, spread and levelling in layers n. exc. 15 cm thick,watwered and rammed to a true surface complete all as specified and directed.

M&L for PCC (1:3:6) type C-2 (using 40mm graded stone aggregate) as in foundation for filling in, mass concrete for foundation of Pole, Transformer, Panel board, stay, post top lantern, repairs to road cutting, drain, path etc complete all as specified and directed.

Supply,laying, testing and commissionnig of UG HT cables, 11000 volts grade, 3 core 95 sqmm (Earthed), XLPE insulated and PVC sheathed, steel wire armoured, with multi stranded aluminum conductor, heavy duty conforming to IS - 7098 part-II 1985, cables laid in trenches/ducts/under plinth floors passing through pipes etc, fixed on wall complete all as specified and directed.

Supply,laying, testing and commissionnig of UG HT cables, 11000 volts grade, 3 core 150 sqmm (Earthed), XLPE insulated screened, PVC bedded and PVC shealhed, steel wire armoured, with multi stranded aluminum conductor, heavy duty conforming to IS - 7098 part-II 1985, cables laid in trenches/ducts/under plinth floors passing through pipes etc, fixed on wall complete all as specified and directed.

Supply,laying, testing and commissionnig of UG HT cables, 11000 volts grade, 3 core 185 sqmm (Earthed), XLPE insulated screened, PVC bedded and PVC shealhed, steel wire armoured, with multi stranded aluminum conductor, heavy duty conforming to IS - 7098 part-II 1985, cables laid in trenches/ducts/under plinth floors passing through pipes etc, fixed on wall complete all as specified and directed.

Supply,laying, testing and commissionnig of UG HT cables, 11000 volts grade, 3 core 240sqmm (Earthed), XLPE insulated screened, PVC bedded and PVC shealhed, steel wire armoured, with multi stranded aluminum conductor, heavy duty conforming to IS - 7098 part-II 1985, cables laid in trenches/ducts/under plinth floors passing through pipes etc, fixed on wall complete all as specified and directed.

Supply and fixing of cable jointing kit 11 KV (earthed) grade cable for Outdoor Termination (Heat shrink) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed.

Supply and fixing of cable jointing kit 11 KV (earthed) grade cable for Outdoor Termination (Heat shrink) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 120 Sqmm to 185 Sqmm complete all as specified and directed.

Supply and fixing of cable jointing kit 11 KV (earthed) grade cable for Outdoor Termination (Heat shrink) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 240 sqmm to 300 sqmm complete all as specified and directed.

Supply and fixing of cable jointing kit 11 KV (earthed) grade cable for indoor Termination (Heat shrink) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 95 sqmm complete all as specified and directed.

Supply and fixing of cable jointing kit 11 KV (earthed) grade cable for indoor Termination (Heat shrink) type joint complete with jointing material and all accessories for 3 core XLPE armoured aluminium conductor cable of size 120 sqmm to 185 sqmm complete all as specified and directed.

Supply and fixing of cable jointing kit 11 KV (earthed) grade cable for indoor Termination (Heat shrink) type joint complete with jointing material and all 240 Sqmm to 300 sqmm complete all as specified and directed.

Material and labour for crushed stone dust sand cushioning to underground cables in trenches including spreading, levelling, hand punning and consolidating, complete all as specified and directed. Note :- Thickness after punning down shall be measured and paid.

Supplying and laying un-reinforced precast concrete cable cover, class HV, Type 2 flat, size 300mm x 180mm x 40mm complete all as specified and directed.

Excavation in trenches n. exc 1.5 m wide and n. exc 1.5 mtr depth n exc 10 sqm on plan and getting out in soft/loose soil complete all as specified and as directed.

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

Removing excavated material( soil) to a distance not exceeding 50mtr and depositing where directed at a level not exceeding 1.5mtr above the starting point complete all as specified and as directed.

Supply , Installation,testing and commissioning of HT feeder pillar box outdoor type of size 1.0x1.0x0.6 mtr made out of 3.0 mm thick MS sheet with aluminium bus bar chamber 22/11KV for one incomming and two outgoing cable connections including HT insulators etcduly mounted on angle iron frame , legs to be embedded 30 cm below ground level and 60 cm above the ground level complete all as specified and directed.

M & L for Earthing complete with galvanised steel pipe electrode, 40mm bore, medium grade, 3 mtr long buried directly and vertically in ground with top edge at ground level after making bore hole of size not less than 300 mm dia and 3.0 Mtr long using suitable mechanical drilling rig (for drilling near the specified bldg), connected with galvanised steel strip earthing lead of 25x4mm dia all as shown in Plate No-2, connected to the earthing test point, concrete pit in PCC 1:3:6 type C-2with RCC precast pit cover slab 400mmx400mmx80mm with handle for lifting made out of 8mm dia MS rod, funnel, wiremesh, 15 mm dia light grade GI tubing for protection of GI wire 4mm dia, charcoal and salt in alternate 150mm thick layers around GI earth pipe, including necessary returning filling in & removal all as specified or indicated in SSR Part-I, including testing to achieve earth resistance value as per IS specification on completion complete all as specified and directed.

M/S. Niksun Electro-Infra Private Limited