ADDN/ALTN OF 250 KVA TRANSFORMER ALONGWITH CONNECTED ITEMS AT CHUNNI LAL VIHAR BLDG NO P-01 UNDER GE (UTILITIES) UDHAMPUR

Amount

Supply, installation. Testing, commissioning of oil cooled copper wound step down BIS marked & BEE 2 star labelled" transformer of capacity 250 KVA PCC plat form mounted outdoor type with latest feature complete with standard fitted HT 11 KV 3 phase, LT 433 V 3, phase 4 wire , 50 C/S oil immerse, naturally coooled externally cooling tube delta connection on primary HT 11 KV side and star connection on secondary LT 433 V with tapping at +-/2.5% to +- 5% & +- 7.5% on HV side and to be changed by means of hand operated off load tap changing gear including first filling of new transformer oil of dilectric strength not less than 55 KV with all fitting and accessories such as LT box with cable gland, HT box with cable gland. Silica gel, breather, oil level indicator gauge drain out valve ( oil tank) exhaust vent air release valve temp gauge, cast iron wheel et comply with EEL-3 IS 1180-2014 with amendment 1,2&3 vaild till 30.03.2022 having total losses @ 50% load 920 W & total losses@100% load 2700 W. Following items/ Accessories included in this rate therefore no any extra cost will be paid for this items complete as in repairs and deposited to MES store complete all as specified and directed by Engr-inCharge. (i) Name, rating & diagram plate (ii) Off circuit tap changing switch (iii) Earthing terminals (iv) Lifting lugs (v) Oil drain valve with plug (vi) Oil filter valve with plug (vii) Conservator with oil filling hole (viii) Thermometer pocket ix) Air release plug (x) Silicagel breather (xi) Removable inspection opening (xii) Explosion vent

Srl item No 01 Contd … Note : a) Construction of plinth/platform for transformer 2 m height x 2.5 m width x 2.5 m length including morum filling and PCC at top 10cm thick (1:2:4) and PCC foundation with 1:4:8 (80cm width x 2.7 m length in square foundation 25cm height all as per drawing provided by the department including plastering to exposed walls and white wash. Providing MS Channel on top of size 75x40x8 mm of 1.5 m in lenght for rolling to transformer including chain link fencing of wire mesh 150x 100 size made out of GI Wire of height 1.5 m fixed with the help of MS Strip 25x6 mm and including MS angle 75x45x6mm thick nos post by means of drilling holes at the distance of 30cm and fixed with the help of suitable nut, bolt and washer. The length of the MS angle iron not less than 2.25m, top of the pad to the shape of 60degree including 3 nos for inserting barbed wire including 03 runs of barbed wire and including provision of gate of size 1.5mx 0.9m made out of MS angle iron 50x 50x6 mm and MS bar 12 mm dia for meshing the gate and locking arrangements including PCC goundation 1:2:4 type B-1 for posts complete all as specified and directed. b) Necessary chain link fencing required around Stabiliser/ Transformer are inclusive of above price. Provision of 4 no rubber mats Synthetic 2mx1mx0.5m at near the surfaces of Plinth of transformer. Note: Pre -commisioning, inspection of transformer shall be carried out by rep of Accepting offr and T&P for the inspection shall be arranged by contractor, cost of the T&P etc for testing shall deemed to be included in the unit rate.

Supply installation, testing and commissioning and testing factory made and tested (CPRI type test certified ) LT feeder pillar box ( KIOSK ) out Each door type, floor mounted, compertmantalised suitable for 415 Volts 3 phase 4 wire, 50 Hz AC supply system, dust and vermin proof made of 3.15mm CRCA MS sheet with digital Volt meter Ammeter with CTS Led lamps RYB for all incomers & outgoings base frame of 50x50x6mm angle iron powder coated, having front and rear openeable hinged double door shutters with aprons for cable entry and Steel handle proper locking arrangement e.g godreg double locking system with three nos of keys complete including taking down old U/S LT panel/ busbar with following: Incoming:- ( a ) MCCB 250 amps, 4 pole. 50Hz .415 V with rupturing capacity 35/36 KA - 01 No L&T / Scineiders / C&S / ABB or Equivelent ( b ) Bus bar electrolytic grade copper 400 amps 4 pole and supported on Non - hygroscopic, non carbonising, corrosion resistance SMC insulators not less than 1 Mtr long mounted on insulators for incomming supply 01 No. Outgoing:- ( a ) MCCB 100 amps, 4 pole 35/36 KA with adjustable thermal over load release 50 Hz, 415 volts grade 04 Nos. Note- (i) Rate quoted is deemed to be inclusive of PCC foundation / pedestrian and connected earth work. (ii ) Panels shall be placed above 0.6 mtr of ground level (iii ) Outgoing MCCBS shall be fed with solid busbar connectors. ( iv ) Cables shall be terminated using gun metal / SS glands. (v) cable glands for incoming LT cable 185 sqmm - 1 Nos and out going cables 50 sqmm -02 Nos and 35 sqmm - 02 Nos is deemed to be included in quoted rates. (vi) cable glands for incoming LT cable 240 sqmm - 1 Nos and out going cables 185 sqmm -01 Nos and 95 sqmm - 02 Nos is deemed to be included in quoted rates.

Supply & fix for XLPE insulated, armoured, aluminium conductor cable, 11000 volts grade, heavy duty, cross sectional area 150 sq mm ,3 core, laid in trenches/ducts/through pipe complete all as specified and as directed by Engr-in-Charge.

Supply and Laying along the poles or passing through pipes or laid under floor of through walls etc jointing and testing LT Cross Linked Polythene Insulated (XLPE insulated) galvanized steel strip armoured electric cable 1100 volt grade heavy duty ISI marked with aluminium conductor and overall served with an outer sheath of PVC, of cross sectional area 120 Sqmm 3.5 core , complete all as directed. (Note : Excavation, earthwork, Pipe for cable protection to be measured and paid for separately)

M&L for providing earthing with Copper earth plate electrode 600 x 600 x 6 mm buried directly in ground (earth pit not less than 2.25 M deep below ground level) with top edge of the earth plate not less than 1.5 M below ground level connected to Copper strip 32 x 6mm thick for earthing lead fixed by means of nuts,bolt,washers etc connected to earth test point complete all as specified in electrical plate No 3 of SSR-2009 part 1, including necessary excavation and earth work in any type of soil, comman salt, charcoal dust, 40 mm dia light grade GI pipe for protection to earth lead, GI water pipe 20mm dia with funnel &wire mesh, PCC pit with CI cover and frame etc complete all as specified and directed by Engr-in-Charge. Note: - (i) All the joints shall be made with welding to get proper conductivity. (ii) On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge.

M & L for providing earthing with GI earth plate electrode 600 X 600 X 6mm buried directly in ground (earth pit not less than 2.25M deep below ground level ) with top edge of the earth plate not less than 1.5M below ground level connected to GI strip 25 x 4 mm thick for earthing lead fixed by means of nuts,bolt,washers etc connected to earth test point complete all as specified in electrical plate NO 3 of SSR1996 part 1 ,including necessary excavation and earth work in any strata of soil,comman salt, charcoal dust, 40 mm dia light grade GI pipe for protection to earth lead, GI water pipe 20mm dia with funnel &wire mesh , PCC pit with CI cover and frame etc all as specified and directed by Engineer-in-charge. Note:- All the joints shall be made with welding to get proper conductivity. Note: On testing after completion of earthing, if desired earth resistance is not obtained, the earthing will be re-done by the contractor at his own risk & cost to the entire satisfaction of Engineer-in-charge

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 120 to 185 sqmm complete, all as specified and directed by Engr-in-Charge.

Material and Labour for construction of plateform for transformer 2.5m (wide)x 2.5m (long) & 1.5m (height) including moorum filling, earth work in brickwork any type of soil, brick work in CM (1:6) and PCC at top 10 cm thick (1:2:4) type B-1 and foundation with 1:4:8 type D-2, 25cm thick all as per drawing including plastering to exposed walls and white wash, providing MS channel on top of size 75x40x8mm of 1.5m length for rolling to transformer, including chain link fencing of wire mesh 150x100 size made out 4mm dia GI wire of height 1.5m fixed with the help of MS strip 25x6mm on and including MS angle iron 75x45x6mm thick 12 Nos post by the means of drilling holes at the distance of 30cm and fixed with the help of suitable nut, bolt and washer, the length of MS angle iron not less than 2.25m top of post bend to the shape of 60 degree including 03 Nos cuts for inserting barbed wire including 03 run of barbed wire and including provision of gate of size 1.5mx0.9m made out of MS angle iron 50x50x6mm and MS bar 12mm dia for meshing to the gate and locking arrangement complete all necessary for work, complete all as specified and as shown on drawing No. CEUZ/TD/1516/15 sheet 1/1.

Supply and fixing of danger notice plate board of size 250 mm x 200mm for HT 11000 volts system made of 1.6 mm thick mild steel sheet , vitreous enamelled white , with letters, in english hindi or urdu and conventional skull and bones in signal red colour and fixed with MS clamps ,bolts,nuts of approved size, complete all as specified and as directed by Engr-in-Charge.

Supply and fixing Steel tubular swaged pole erected to truly vertical or planted as strut complete with 6 mm thick MS Base plate,welded to pole,finial taper cap, bolts, nuts, screws, 11 m long, type 410 SP - 55,including drilling of holes of required size for fixing of cross arms,painting the exposed surfaces of pole with two coats of aluminium paint over a coat of red oxide zinc chrome primer and with two coats of black bituminous paint on the portion embedded in concrete, and marking pole no. with black paint at suitable height all as specified and directed by Engineer-in-Charge.Note:- The earthwork, PCC foundation, steel clamps, MS Cross arms & bracing of angle iron etc will be measured and paid separately under relevant items of Sch ‘A’.

Supply and Fix lightning arresters expulsion type complete with all fittings suitable for 11000 volts grade conforming to IS-3070 part-I, transmission class, discharge capacity 65 kilo amp, complete all as specified and as directed by Engr-in-Charge.

Supply and Fixing Air break gang operated switches 12 instulators type with drop out fuses assembly mounted on MS Channel with operating mechanism works from ground level suitable for 11000 volts, 200 Amps, including Gl pipe handle, clamps bolls, nuts, jumper wire connecting with stranded conductors with locking arrangement, complete all as specified and as directed by Engr-in-Charge.

Plain cement concrete 1:3:6 type C-2 using 40mm graded crushed stone aggregates as in foundation, filling and mass concrete, complete all as specified and as directed by Engr-in-Charge.

Plain cement concrete 1:2:4 type B-1 (using 20 mm graded stone aggregate) for coping of poles, complete all as specified and directed by Engr-in-Charge.

Supply and fixing Route indicator 750X200X200mm with slant embosed facing including earth work and grouting 600mm below ground level, complete all as specified and as directed by Engr-in-Charge.

Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections ( flat, angle, channel) including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of aluminium paint complete all as specified and as directed by Engr-in-Charge.

Excavating in trenches, not exceeding 1.5 m wide and exceeding 1.5 m in depth; for foundation, trenches for laying of cable etc. and getting out in any type of soil, complete all as specified and as directed by Engr-in-Charge.

Returning filling in (soil) including spreading leveling watering and well ramming in layers not exceeding 25cm thick, complete all as specified and as directed by Engr-in-Charge.

Removal of excavated material (soil) to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and as directed by Engr-in-Charge.

Precast unreinforced concrete cable cover (ISI marked) class HV, TYPE 1, flat, size 300mmx180mmx40mm conforming to IS-5820 (1970), for protection of under ground cable, complete all as specified and as directed by Engr-in-Charge.

Dry coarse sand as cushioning to under ground cable provided with layer of 8 cms deep before laying the cable and 15 cms deep after laying and stretching the cable, punned to 18 cm thick complete all as specified and as directed by Engr-in-Charge. NOTE: only punned thickness shall be measured for payment purpose.

FANGALIA TRADERS

PREM NATH KHAJURIA AND SONS

MOHAN LAL AND SONS

Electromech Engineers