PROVN OF UPGRADATION OF 50 KVA TRANSFORMER TO 160 KVA TRANSFORMER ALONGWITH LT CABLING IN JCOS/OR GOVT MD ACCN (URAN VIHAR) AT 1 (I) R O FLT UNDER GE RANCHI

Amount

Disconnecting carefully existing transformer electrical and earthing connections both of HV and LV side and deposting the same to the store yard of AGE E/M Namkum/LPH. (Cost of transportation ia deemed to be included in the rate Quoted)

Supply, connect, installation, testing and commissioning of transformer step down 11(0.433 KV outdoor type supply, copper wound 160 KVA capacity, AC, 3 phase, 50 Hz, oil immersed, naturally cooled, delta connected on primary side (11 KV HV side) and star connected on secondary side (433 volts LV) in accordance with vector group DYN-11 with neutral brought out on secondary side with tapping at ± 2.5%, ± 5%, ± 7.5% off load tap changer gear in steps of 2.5% including initial oil fill to appropriate level and all standard fittings, all as per IS-1180 part-1 (1989) and testing & commissioning, mounted on & including platform of size 3x3Mx1M high (Outer dimension) built with 150mm thick PCC 1:5.10 type E2 in foundation extending 150mm on both sides of wall, wall 380mm thick of RR stone masonry brought to courses built in CM 1:6, 450mm below GL & 945 mm above GL duly pointed with raised pointing in CM 1:3 on exposed faces & flush pointed in same mortar as the work proceeds on faces in contact with soil, floor of 55 mm thick PCC 1:2:4 type B-1 laid in bays over 100 mm thick hard core over approved earth filling all as specified & directed. CA number, Name of the JE, Two years warranty end date are to be endorsed in the eqpt with visible letters of 10m ht. The unit rate for transformer includes the cost of following accessories/ fittings and all timed routine and necessary services & maint to be carried though the OEM for two years. (i) Non-detachable rating and terminal marking plate (ii) Earthing terminals with lugs-02 Nos (iii) Lifting hook for main tank and top cover (iv) Thermometer pocket with cap alongwith dial type thermometer-01 No (v) Externally hand operated o 'off' circuit tap changing device with locking (vi) Oil conservator tank with fitting hole, drain plug, prismatic oil level guage (vii) Silica gel dehydrating breather charged with silica gel (viii) Top filter valve with plug (ix)Drain valve with plug (x) Air vent (xi) Explosion vent (xii) Unidirectional rever roller-04 Nos (xiii) HV bushing- 03 Nos (xiv) LV bushing- 04 Nos (xv) Radiators (xvi) Terminal connection on HV bushings (xvii) Terminal connection on LV side (xviii) Additional neutral seperately brought outside with LV cable end box with bush insulator for neutral earthing (xix) First fill of oil (xx) Base channel 100 x 50 mm, 460 mm long with holes to make them suitable for fixing on a platform

M & L for Cable jointing kit for 11 KV (Earthed) grade cable for indoor termination heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm, complete all as specified and directed.

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 able of size 50 sqmm to 95 sqmm, complete all as specified and directed.

M&L Cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3.5 core XLPE armoured aluminium conductor cable of size 50 sqmm to 95 sqmm, complete all as specified and directed.

Supply and laying cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 Sqmm 3.5 core, complete all as specified and directed.

Supply and laying cable XLPE Insulated screened PVC bedded, galvanized steel strip or wire armored, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 95 Sqmm 3 core

S&F steel work such as in cross arms angle iron bracing supports, clamps and back plate fabricated from MS section confirming to grade FE- 410-0 or Fe- 310-0 including nuts, bolts, washers bending cold or hot drilling holes bolts in any shape or size as indicated or directed included of one prime coat, one under coat & one finishing coat of aluminium paint, complete and all as specified and directed.

M&L pin type porcelain, vitreous, white brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut , 150 mm height, 150 mm dia for 11000 volts grade.

S&F disc type insulator, porcelain, vitreous 145 mm high and 255 mm dia ball and socket type, white, brown or green Two-in-series' assembly for tension with tension clamps for conductors, working ressure 11000 volts

M&L steel tubular swaged poles complete with cast iron base plate final taper plug, bolts, nuts & screws as specified type 41 SP-55, 9 mtr long including painting of poles with two coats of aluminium paint over a coat of primer two coats of black bituminous paint in embedded portion complete all as specified and directed

M&L stringing and fixing of aluminium conductor steel re-inforced (ACSR) on HT poles including binding wire complete all as specified and directed at site. (rabbit type ACSR conductor)

M&L for Earthing complete with galvanised steel earth plate electrode 600mm×600mm× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less than 1.5 metres below normal ground level, connected to galvanised MS strip 32x6mm connected to earth plate electrode by means of bolts, nuts, check nuts and washers including 50mm bore light grade GI protection pipe all as shown in electrical plate No. 3 of MES schedule Part I with & including PCC 1:3:6 type C1 pit with 40mm thick cover of RCC 1:2:4 B1 reinforced with welded steel wire fabric not less than 4 Kg per Sqm watering arrangement with 20mm GI medium grade pipe ISI marked, GI funnel with GI mesh, filling with mixture of common salt & charcoal necessary excavation and earth works in any type of soil including test point, testing & commissioning complete. (Two each for transormer neutral, body,LT pannel )

Excavation in trenches, not exceeding 1.5 Mtr wide and not exceeding 1.5 Mtr in depth in loose / soft soil and getting out for laying of LT UG cable including levelling bottom surface complete all as specified and directed.

M&L sand cushioning in trenches including watering and consolidation as in cable protection complete all as specified all as per SSR Part-I

M&L sub class 'B' bricks, laid flat in trenches with width equal to width of the brick for the protection of under ground cable complete all as specified and as specified in SSR Part-I

Returning and filling including spreading, levelling, watering and well ramming in layers not exceeding 25 Cm thick complete all as specified and directed.

Removing of excavated material to a distance not exceeding 50 Mtrs and depositing where directed at a level not exceeding 1.5 Mtr above the starting point complete all as specified and directed.

M&L PCC 1:2:4 typeB-1 using 20 mm graded broken stone aggregate as in mass concrete in coping of existing and new PCC/steel poles etc complete all as specified and directed .

M&L PCC (1:3:6) type C-2 using (40mm) graded stone aggregates as in foundation filling and mass concrete (for foundation bed concrete in poles or any other directed site)

M & L GI tube, `light grade',, 80mm with all fitting; laid in trenches/with pole complete all as specified and directed.

Bihar traders