CWEK-40/2020-21

Amount

Material and labour for loading, unloading, transportation to factory premises of burnt/defective distribution transformer of capacity 350/400 KVA, 11 KV/433 volts 3 phase from AGE E/M Yard, opening of top cover of faulty transformer,taking out the core assembly and removing burnt out windings, dehydrating the core assembly, reassembling transformer after repair, replacement of complete gasket set, draining out the transformer oil including cleaning and varnishing ,refilling the oil duly filtered/dehydrated, topping up with new oil, carrying out routine tests, including transportation back to site, testing and commissioning of the repaired transformer at site on full load after making cable and earthing connectons complete all as specified and directed (MES No-06Y/1178-TR/13) Note :- (a) The quoted rate quoted for the item includes the following :- (i) Arrangement of manpower, tools and plants and Recovery vehicle for transportation and shifting of transformer to work shop and back. (ii) Toping up of transformer oil, replacement of transformer oil as required basis under intimation to the department. (Transformer oil will be measured and paid seperately). (iii) Re-winding of defective winding of transformer, if required will be carried out under this item . (iv) Winding material shall be measured and paid separately under respective items . (v) Any damage occurred to transformer during the process of disconnecting/taking down/transportation, shall be made good by the contractor to the entire satisfaction of the Engr-in-Charge at no extra cost. (vi) The checking / finding of fault shall be carried out in presence of rep of Accepting officer

Ditto- all as per serial Item No 1.00 here an above but distribution transformer of capacity 315 KVA (MES No-02Y/1008-TR/0,06Y/1082-TR/99, 02Y/8088-TR/01)

Ditto- all as per serial Item No 1.00 here an above but distribution transformer of capacity 250KVA ( MES No-06Y/1035-TR/00, 06Y/1036-TR/00)

Ditto- all as per serial Item No 1.00 here an above but distribution transformer of capacity 200 KVA (MES No-06Y/1041-TR/00)

Ditto- all as per serial Item No 1.00 here an above but distribution transformer of capacity 160 KVA (MES No-02Y/1011-TR/01)

Ditto- all as per serial Item No 1.00 here an above but distribution transformer of capacity 63 KVA (MES No-06Y/1115-TR/08,06Y/1080-TR/00,06Y/1114-TR/08)

Ditto- all as per serial Item No 1.00 here an above but distribution transformer of capacity 25 KVA (MES No-06Y/1081-TR/99)

Material and labour for rewinding of LT side winding with copper strip of suitable size/ gauge, fixing the coil in position in core assembly and making connection as per existing pattern including providing insulation, varnish etc complete all as specified and directed.

Material and labour for rewinding of HT side coil with supper enamelled Copper wire of suitable size/ gauge, fixing the coil in position in core assembly and making connection as per existing pattern including providing insulation, varnish etc complete all as specified and directed.

Material and labour for painting the outer surface of the transformer / Servo Voltage stabilizer applying two coats of synthetic enamelled paint after preparing the surface by rubbing old paint and making the surface dust and oil free and cleaning the bushes, name plate etc including writing MES/ SM No with enamelled paint complete all as specified and as directed for fransformer of rating 50 KVA to 630 KVA (Indoor/ outdoor type).

Material and labour for transformer oil for topping up or for replacement in Transformers / Servo voltage stabilizer complete all as specified and as directed. Make: Power oil/ Savita Note: Oil shall be in company sealed barrel having BDV not less than 40KV including dehydration to achieve the required di-electric strength and Transformer oil topping up or replacement should be done on existing installation place on same day.

Transformer oil filteration and dehydration by Ultra High Vaccum Double stage machine to remove impurities from oil such as moisture, dirt, air and other gases and to improve BDV upto 60KV at 2.5mm air gap complete all as directed. Note: Transformer oil filteration and dehyration by Ultra High Vaccum double stage machine shall be done on existing installation place on same day. Contractor will submitt test certificate of di-electric strength of transformer oil.

Supply and replacement of silica gel only with fresh blue co/ oured complete all as specified and as directed.

Supply and fixing in replacement Tap changer switch suitable for Transformer 63 KVA to 200 KVA, complete all as specified and as directed.

Supply and fixing in replacement Tap changer switch suitable for Transformer capacity 250 KVA to 630 KVA, complete all as specified and as directed..

Supply and replacing HT/LT side cable box cover plate made out of MS sheet of 16 SWG complete with nuts, bolts washers suitable for indoor / outdoor type transformer of capacity 63 KVA to 400 KVA, complete all as specified and as directed..

Material and labour for painting for sheet metal enclosure of LT panels/ installation boards/ fire stand with two coats of synthetic enamel paint after prepration of old painted surface, complete all as specified and directed .

Material and Labour for new earthing complete with galvanised earth plate electrode 600mm x 600mmx 6mm thick surrounded by charcoal and salt, buried directly in ground vertically in a pit of depth not less than 2.25m below ground level with top edge of the earth plate not less than 1.5m below normal ground level connected to GI earth strip of size 32X6mm dia by means of bolts, nuts, checks nut and washers made out of galvanized iron or steel, earth strip protected by galvanized steel pipe 40mm dia (light grade) and connected to main switch or main control board all as shown in electrical plate of SSR Part-I & including necessary excavation and earth work. The rate also include charcoal & salt in alternate layers, 20mm dia GI pipe (light grade) for watering, protection pipe, funnel, wire mesh, RCC cover etc, complete, all as specified or indicated and as directed including testing on completion. Note : The quoted rate shall include the cost of earth work, GI pipe for watering, GI protection pipe, funnel, wire wesh, RCC cover, etc. complete. RCC cover shall be 50mm thick in 1:2:4 type B-1 using 8mm bars @10cm c/c both way with MS handle 10mm dia made to shape. GI strip and GI pipe beyond 7.5 mtr length form earth electrode shall be measured and paid separately..

Material and labour for GI strip of size 32x6mm as earth continuity conductor burried in ground or drawn in pipe or fixed to wall on saddle, complete all as specified and directed .

Material and labour for fixing GI funnel complete with wire mesh for earthing water pipe, complete all as specified and directed .

Material and labour for each pit cover of size 450X450X50mm thick in RCC M-15 (Nominal mix) using 20mm graded stone aggregate with mild steel TMT reinforcement bar of 10mm dia @ 150mm centre to centre both ways, MS handle 10mm dia made to shape complete all as specified and as directed.

Disconnecting LT cable/ busbar and earthing connetions of Servo voltage stabilizer of capacity 400 KVA, 3 phase from floor with the help of Crane to carry out overhaulling of servo voltage stabilizer comprising of the following:- (i) Draining out oil from chamber. (ii) Opening top cover, disconnecting winding connectio from bushing and taking out carefully core assembly complete with winding. (iii) Checking compactness of core & tighening the same where required. (iv) Chemical washing of winding to remove dirt, dust & carbon particles. (v) Cleaning of oil tank to remove oil sludge followed by painting of inner surface to tank with zinc chromate base paint. (vi) Refixing of core & winding assembly and making connection with HT/LT bushing. (vii) Replacement of worn out gaskets & nut/ bolts. (viii) Refilling of oil duly filtered/ dehydrated/ fresh oil( to be measured & paid separately under respective items). (Note: Overhauling of Servo voltage Stabilizer should be done on existing installation place on same day).

Ditto- all as per serial Item No 22.00 here an above but 100 KVA, complete all as specified and directed

Ditto- all as per serial Item No 22.00 here an above but 50 KVA, complete all as specified and directed

Supply and fixing in replacement of MC TRMS PCB complete all as specified and directed.

Supply and fixing in replacement of Contactor 100 Amp, 3 Phase complete all as specified and directed

Supply and fixing in replacement of 3.00 Kg motor sync complete all as specified and directed

Supply and fixing in replacement RC complete all as specified and directed

Supply and fixing in replacement Carbon bush complete all as specified and directedall as specified and directed

Supply and fixing in replacement of closer sheet complete all as specified and directed

Supply and fixing in replacement of 20kg motor sync complete all as specified and directed

Supply and fixing in replacement of Carbon roller essy complete all as specified and directed

Supply and fixing in replacement of Tag & Tail assy complete all as specified and directed

Supply and fixing in replacement of PCB Relay (1003) complete all as specified and directed

Supply and fixing in replacement of flip flop complete all as specified and directed

Supply and fixing in replacement of Time delay relay complete all as specified and directed

Supply and fixing in replacement of limit switch (B4C) complete all as specified and directed

Supply and fixing in replacement of Motor 40Kgs Complete all as specified and directed

Supply and fixing in replacement of power contractor complete all as specified and directed

Supply and fixing in replacement of Aux contractor 4 Nos + 4NC 44W, 230V AC complete

Supply and fixing in replacement of Aux contractor 6 Nos +2NC 62W, 110V AC complete. Note: Replacement of the accessories in serial item No 41.00 to 51.00 shall be carried out by the authorised service Engineer.

Material and labour in replacement of HT 11 KV bush insulator suitable for distribution transformer of any type and of size upto 200 KVA to 315 KVA complete, all as specified and as directed.

Material and labour in replacement of HT 11 KV bush insulator suitable for distribution transformer of any type and capacity 400 KVA to 630 KVA complete, all as specified and as directed.

Material and labour in replacement of LT bush insulator suitable for distribution transformer of any type and of size upto 200 KVA TO 315 KVA complete, all as specified and as directed.

Material and labour in replacement of LT bush insulator suitable for distribution transformer of any type and capacity 400 KVA to 630 KVA complete, all as specified and as directed.

Material and labour in replacement of HT bush rod made out of brass with nut bolt and washer suitable for distribution transformer of any type and of size upto 200 to 315 KVA complete, all as specified and as directed.

Material and labour in replacement of HT bush rod made out of brass with nut bolt and washer suitable for distribution transformer of any type and capacity 400 KVA to 630 KVA complete, all as specified and as directed.

Material and labour in replacement of LT bush rod made out of brass with nut bolt, rubber packing and washer suitable for distribution transformer of any type and of size upto 200 KVA to 315 KVA complete, all as specified and as directed.

Material and labour in replacement replacement of LT bush rod made out of brass with nut bolt, rubber packing and washer suitable for distribution transformer of any type and capacity 400 KVA to 630 KVA complete, all as specified and as directed.

Supplying and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (Heavy duty) with aluminium conductor, 11000 Volts grade, cross sectional area 95 Sqmm 3 core, suitable for 11 KV earthed system, in trenches, floors, ducts passing through pipe for road crossing etc, including connecting & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc shall be measured & paid for separately)

Supplying and laying XLPE insulated, screened, PVC bedded, galvanised steel strip or wire armoured, electric power cables (Heavy duty) with aluminium conductor, 11000 Volts grade, cross sectional area 185 Sqmm 3 core, suitable for 11 KV earthed system, in trenches, floors, ducts passing through pipe for road crossing etc, including connecting & testing, complete, all as specified and directed. (Note : Excavation, earth work, brick protection, sand cushioning and GI pipe etc shall be measured & paid for separately)

Material and labour for Cable jointing kit suitable for HT 11 KV (Earthed) grade cable outdoor end termination, Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 120 to185 sq mm, complete, all as specified and as directed.

Material and labour for Cable jointing kit suitable for HT 11 KV (Earthed) grade cable outdoor end termination, Heat shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 50 to 95 sq mm, complete, all as specified and as directed.

Material and labour for straight through cable joint (heat shrinkable) suitable for 3 core ,11 KV (Earthed) Under ground, XLPE cable of size 120 to 185 sq mm including joint testing, complete, all as specified and as directed.

Material and labour for straight through cable joint (heat shrinkable) suitable for 3 core ,11 KV (Earthed) Under ground, XLPE cable of size 50 to 95 sq mm including joint testing, complete, all as specified and as directed.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth for foundation, shafts, man holes,for under ground cable / erection of poles, stays etc not exceeding 10 Square metre on plan and getting out in hard/dense soil, complete, all as specified and as directed.

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

Removing excavated soil to a distance not exceeding 50 metre and deposited where directed at a level not exceeding 1.5m above the starting point, complete, all as specified and as directed.

Material and Labour for Fine and dry sand cushioning for underground cable by providing a layers of sand 8cm deep before laying and 15cm deep after laying the cable including tretching the cable, complete all as specified and as directed . Note - Punned thickness of sand layer shall be measured and paid to contractor.

Material and labour for sub class brick laid dry width wise across the cable in trenches for protection of cable complete all as specified.

Note:- Amount of credit of Rs. 3,70,451.00 for retrieved materials is mentioned in Schedule of Credit Page No. 26 of tender documents in pdf form which will be deducted offline while acceptance of tender.

M/S Noor Mohammad Shalla

M/S Khan Hussain & Co.

M/s Habib Electronics