Repair maintenance of 11 KV Transformer and allied work under GE (N) Ahmednagar

Amount

M & L for repair of LT Panel board of any size with replacing the unserviceable MCCB,MCB,switch fuse unit , change over ,Busbar,etc jointig cable with proper lugs ,nut , bolt and washers, cleaning the panel by using of CRC Soluation and repairing thhe panel door by using hinges and repairing the lock system, welding etc painting the LT Panel wit one coat of primer & two coat of synthetic enamel paint as approved or etc complete all as specified and directed by Engineer-in-Charge Note:(i) MCCB,MCB,Switch fuse unit and change over switch measured and paid separately under relevant item of this BOQ (ii) Labour for MCCB, MCB, Switch fuse unit and change over switch measured and paid separately. (iii)Rate of new Busbar, lugs,CRC Solution,nut,bolt, painting etc and washers are deemed to be included in quoted rates.

Supply and fix in for replacement rewirable switch fuse unit,of sheet metal , triple pole and neutral, 415 Volts grade, 32 Amps capcity including neccssary connection with suitable size of copper cable etc complete all as specified and directed by Engineer-in-Charge MAKE: CAT No#DTPN032 OF Indoasian .or its Equvalent makes mentioned in list of makes in Appendix `C'

All as Per item No 2 (here-in-before) but 63 Amps capcity etc complete all as specified and directed by Engineer-in-Charge MAKE: CAT No #DTPN063 OF Indoasian or its Equvalent makes mentioned in list of makes in Appendix `C'

All as Per item No 2 (here-in-before) but 100 Amps capacity. MAKE: CAT No #DTPN100 OF Indoasian or its Equvalent makes mentioned in list of makes in Appendix `C'

Supply and fix in existing panel board for replacement of Switch Disconnector fuse (Cubical with HRC Fuse) Tripple pole and neutral 100 Amps ,415Volt,50HZ,AC 23A, conforms to IS:13947-3, fixed in existing Panel and connecting etc complete all as specified and directed by Engineer-in-Charge. MAKE: CAT No SK95571 of L&T its Equvalent makes mentioned in list of makes in Appendix `C'

Supply and fix in in existing panel board for replacement of Switch Disconnector fuse (Cubical with HRC Fuse) Tripple pole and neutral 200 Amps ,415Volt,50HZ,AC 23A, conforming to IS:13947-3, fixed in existing Panel and connecting etc complete all as specified and directed by Engineer-in-Charge MAKE: CAT No SK95607 of L&T its Equvalent makes mentioned in list of makes in Appendix `C'

Supply and fixing in existing panel board for replacement MCCB, 4 Pole, 400 Amps , with breaking capacity 36 KA , fixed type(HBC Series),adjustable type thermal setting 70-100% and magnetic adjustable 5-10 times AC 415 volt ,50 HZ conforming to IEC:60947-II/IS:13947-II and connecting all as directed. MAKE: CAT No Legrand Cat Part No DPX3 630, 422007 ofr its Equvalent makes mentioned in list of makes in Appendix `C'.

All as per item No 7 here in above but 200 Amps 25 KA breaking capacity. MAKE: CAT No Legrand Cat Part No DPX3 250, 420218 of its Equvalent makes mentioned in list of makes in Appendix `C'.

All as per item No 7 here in before but 100 Amps 25 KA breaking capacity. MAKE: CAT No Legrand Cat Part No DPX3 250, 420215 of its Equvalent makes mentioned in list of makes in Appendix `C'.

All as per item No 7 here in before but 63 Amps 25 KA breaking capacity. MAKE: CAT No Legrand Cat Part No DPX3 160, 420053 of its Equvalent makes mentioned in list of makes in Appendix `C'.

Material and labour for earthing complete with galvanised steel earth plate electrode 600 x 600 x 6.0 mm thick, buried vertically in ground (Each pit not less than 2.25 mtrs deep below normal ground level with top edge of plate not less than 1.50 M below normal ground level) connected to GI strip 32 x 6 mm , by means of bolts, nuts, and check nuts and washers etc encased in GI protection pipe 40 mm dia light grade pipe for protection of GI earth strip both to be provided to the extet of 7.5 meters, all as shown on electrical plate No 3 of MES SSR - 2004 Part - I, GI protection pipe buried in ground, laid under floors / plinths or mixed on walls / pole etc or concealed in walls etc; with provision of mixture of charcoal dust and common salt packed upto minimum 150 mm all around the earth plate, including PCC 1:2:4 type B-1 earth pit with M.S angle iron frame, cast iron cover with locking arrangement, with GI 20 mm dia medium grade pipe and MS funnel with wire mesh for watering arrangement, including necessary excavation and earth work in any type of soil / strata and testing on completion complete all as specified and directed. Note:- i) Cost of GI strip 32 x 6 mm and protection pipe 40 mm dia is deemmed to be included in rate quoted ii) Excavation and returning filling of Soil any type is deemed to be included in rates.

S&F in replacement of drop out fuse unit, explusion type for out door air break gang oprated switch, single pole mounted on and including insulators for 11 KV working pressure fixed to and including MS channel with nuts, bolts and washer etc synthetic bounded fuse tube complete with line capcity suitable for current carrying capacity upto 100 Amps all as directed including taking down old one all as specified and as directed by Engineer-In-Charge

Repair / Overhauling of air break switch by replacing stationary and moving contacts, flexible copper chord, GI nuts, bolts etc including alingment for smooth functioning from ground level all as required at site and all as specified & directed by Engineer-In-Charge

Supply & fix LT line seperator 3/4 lines made of high quantity PVC material to provide 300 mm distance between phase to phase and neutal or as per sit reuirement as directed by Engineer-in-charge

Decanning the transformer oil from leaking transformer by opening the stop valve.Checking for leakages, arresting the leakages, replacing cork sheet gasket 5 mm thick,bushing,washer, HV/LV Road,tapchanger gasket, reassembling the transformer completely refilling transformer oil, connecting HT / LT connection Make: Supreme & Co Pvt Ltd Sanjay casting and Engineers, Mahalaxmi cable & Conductor. NOTE:(i) Spares required shall be measured and paid separately under relevant. (ii) Topping of transformer oil will be measured and paid separately. (iii) Gasket, cork sheet,washers are deemed to the quoted rates.

Material only in replacement of silica gel including cleaning the breather etc complete all as specified and directed by Engineer-in-Charge.

Material only in replacement, breather assembley with silica gel Make: Supreme & Co Pvt Ltd Sanjay casting and Engineers, Mahalaxmi cable & Conductor etc complete all as specified and directed by Engineer-in-Charge.

Material only in replacement of HT bushing, porcelain vitreous brown body suitable for 11 KV as per IS 3347 etc complete all as specified and directed by Engineer-in-Charge.

Material only in replacement of LT bushing, porcelain vitreous brown body 1100 V grade as per IS 3347 etc complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of HV rod, brass, 12 mm dia, 300 mm long with brass nut, 2 Nos and washers etc complete all as specified and directed by Engineer-in-Charge.

Supply only in replacement of LV rod, brass, 15 mm dia, 300 mm long with brass nut 2 Nos and washers etc complete all as specified and directed by Engineer-in-Charge.

M & L for taking down carefully transformer of following capacity, any make, any type from pole / plinth/ base, disconnecting HT & LT side connections, earthing strip of transformer, supporting angles, cross arm, shifting / transporting transformer carefully from the site to the workshop minimum 30 Kms from site opening the top cover of the transformer, bushing,removing the tap changer, conservator,breather assembly, draining of oil from the transformer, lifting the core complete taking out defective coils from the core, cleaning the tank and reassembling the transformer after carrying out the repairs/replacement of worn out part, ovening the complete unit till to get desired megger value, transporting returning back to the site installing re-commissioning and testing of the transformer at its original place, connecting up HT & LT sides, earthings, supports / cross arms etc all as directed by EIC (Note : (i)Spares, Rewinding of transformer if will be measured and paid separately under respective items . (ii) Reinsulation & heating of coil is including of quoted rate. (ii) Insulating oil will be measured and paid separately. (iii) Painting of transformer is including of quoted rates

(a) Transformer of capacity 50/100KVA

(b) Transformer of capacity 200/250 KVA

(c) Transformer of capacity 300/315 KVA

(d) Transformer of capacity 400/500 KVA

Rewinding of old/burnt out coils of transformer by super enamelled copper winding wire/strips of appropriate size of superior quality including insulating, varnishing, heating, coil in position and charging completely etc complete all as specified and directed by Engineer-in-Charge.

Rewinding of old/burnt out coils of transformer by super enamelled Aluminium winding wire/strips of appropriate size of superior quality including insulating, varnishing, heating, coil in position and charging completely etc complete all as specified and directed by Engineer-in-Charge.

Supply & filling new insulating oil conforming to IS 335 for transformer etc complete all as specified and directed by Engineer-in-Charge.

Labour only for dehydration filtration and cleaning of transformer oil of 33 KV / 11KV power transformer / distribution transformer / HT switchgear till achievement of die-electric-strength of 56 KV for new insulating oil and 45 KV for existing oil at 2.5MM Gap etc complete all as specified and directed by Engineer-in-Charge. Note : Toping of Transformer oil shall be measured and paid separately.

Excavation in trenches not exc 1.5 meter wide and not exc. 1.5 mtr in depth for laying of under ground cable, pole foundation and stays etc and getting out in hard / dense soil etc complete all as specified and directed by Engineer-in-Charge.

Excavation in trenches not exc 1.5 mtr wide and not exc. 1.5 mtr in depth for laying of under ground cable, pole foundation and stays etc and getting out in soft/disintergrated rock etc complete all as specified and directed by Engineer-in-Charge.

All as per item No 31 above but exc 1.5mtr depth and exc 1.5mtr wide but not exceding 3 m deep.

Returning and filling in, including spreading and levelling, water and well remming in layers not exc. 25cm all as specified and directed by Engineer-in-Charge.

Removing excavated soil to a distance not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point etc complete all as specified and directed by Engineer-in-Charge..

Supply, laying, testing & commissioning of HT 11 KV (Earthed) XLPE insulated screened PVC bedded, electric power cable (heavy duty) with aluminium conductor 11000 volts grade,circular screened with extruded semi conducting compound in combination with copper tape , inner sheath of PVC tape galvanized steel strip flat , around and overall PVC sheathed, armoured conforming to IS 7098 Part II, 1985 amended upto date, of size 3 core 95 Sqmm, ISI marked, laid in trenches or passing through pipes/ducts including taking down old cable of any size etc complete all as specified and directed by Engineer-in-Charge. Note :- 1. Excavation and earthwork , sand cushioning , GI pipe, cable protection will be measured and paid for separately 2. Cable shall be tested at high voltage test before & after laying. 3. No straight through joint will be permitted inside pipe or duct. 4. Cost of straight through if any deemed to be included in cost of cable.

All as per item No 2 (here-in-before) but size of cable 120 sqmm 3 core.

All as item No 2 (here-in-before) but size of cable 150 sqmm 3 Core

Supply & lay HDPE pipe 75mm bore for laying of HT cables etc complete with all accessores all as specified and directed by Engineer-in-Charge.

Material and labour for spray painting the LT Steel tubular pole,9/11 mtr. 2 Pole & 4 Pole structure with two coats of synthetic enamel paint including prepartion of surfaces,Scraping the old paint and writing pole No in Black letter under yellow circle all as directed by Engineer-in-Charge.

Material and labour for spray painting the 11 KV transformer of any capacity with two coats of synthetic enamel paint including prepartion of surfaces,Scraping the old paint and writing SM MES No in Black letter all as directed by Engineer-in-Charge.

An amount of Rs 1,48,390.00 shall be deducted from BOQ on account of schedule of credit

M/s Renuka Enterprises

Maruti Abhiyantriki

AZAD SERVICES

R. T. Saluji