PROVISION OF 100 KVA TRANSFORMER WITH THREE PHASE ELECTRIC SUP AND CONNECTED INFRA AT SEER UNDER GE 861 EWS

Amount

Supply, installation, testing and commissioning of highly energy efficient, out door type oil immersed naturally cooled (ONAN) transformer, copper wound type of capacity 100 KVA as per latest IS code/specification conforming to IS-1180, Level-II with off load tap changover on primary side to vary secondary voltage within limit (+) 7.5% to (-) 7.5% in step to 2.5% including standard fittings and first filling of transformer oil as per IS-335 of 1980 with cooling system. The transformer shall be provided with cable termination box to terminate outdoor type termination of suitable size on HT side 11 KV & LT side 1100 volt. Transformer step down ratio 11000 volts/433 volts, 3 phase , 4 wire impedance as per oil type, ONAN cooled suitable for outdoor installations and double wound core type with cold rolled grain oriented silicon shell insulated laminations and clamped to minimize vibration for full load current and with stand the thermal and electromagnetic stresses arising due to the through fault current vector group shall be DYN 11 including supply of all standard fittings/fixtures and comprising of the following and all specified and direced :- (a) HT cable termination box. (b) LT cable termination box. (c) Rating and diagram plate (d) Earthing terminal (e) Lifting lugs (f) Oil level indicator with minimum level marking. (g) Thermometer pocket. (h) Conventional conservator with oil filling hole with cap and drain cum sampling valve. (j) Air release plug. (k) Silica gel breather. (l) Off circuit tap changer with locking provision. (m) Bi-directional rollers. (n) Jacking pads. (o) Radiators/Fins and all (Epoxy painted). (p) Danger notice board.

S&F Steel tubular swaged poles 11 meter long, type 410, SP-55 with 300mm x 300mm x 6mm mild steel base plate, finial taper plug, bolts, nuts and screws duly painted with two coats of anti-corrosive paint internally and externally complete including alternate black and yellow strips of 30cm each of synthetic enamel paint upto 1.50 metre from GL and remaining external portion of pole painted with aluminium paint including writing number complete all as specified and as directed.

S&F 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 50 to 95 Sqmm 3 core complete all as specified and directed.

S&F GOD triple pole 11000 Volts, mechanically operated, mounted on insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 Amps with dropout fuse complete all as specified and directed.

S&F 11 KV Polymer composite pin insulater 12KV,5kn Lighting impulse 75KV positive and 80KV negative,creepage distance 320mm Pin type insulator CD, 840 mm dia ball and socket type, white, brown or green two in series assembly for tension with tension clamps for conductors working pressure 11000 volts complete all as specified and directed.

S&F Disc type insulator, 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 pressure 11000 volts complete all as specified and directed.

S&F Cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections 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 paint complete all as specified and directed.

S&F Danger notice plate of 1.6mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT, 25x20cm size complete all as specified and directed.

Supply and laying (using 20mm thick graded crushed stone aggregate) all around of the HT pole/ feeder panel/station etc of bed 45cm thick, complete all as specified and directed.

S&F lightening arresters expulsion type complete with all fittings , suitable for volts 11000 volts and discharge capacity 65 Kilo Amps complete all as specified and directed.

S&F Galvanised stay strand, size 7/4 mm 50x8mm stay clamp guy insulater (2nos) anchor plate (200x200x6mm) nut s-bolts, 2nos turn-bulkles,1.8m long 16mm diameter solid GS stay road & 7/4mm dia GI standed wire complete all as specified and directed.

Supply, laying and testing 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, complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, 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.

M&L Earthing complete with GI steel earth plate electrode 600x600x6mm burried directly in ground not less than 2.25 mtr deep below normal ground level with top edge of earth plate not less than 1.5mtr below normal ground level connected to the Galvanised iron strip 32x6mm by means of bolts, nuts, check nuts and washers of galvanised steel all as shown on electrical plate No 3 of MES Sch 2009 Part-I connected to earthing test point and testing on completion with and including necessary excavation and earthwork, earth electrode, earthing lead from electrode to eqpt/sub stn , adequated quantity of charcoal dust and common salt, test point, PCC (1:3:6) type C-1 using 20mm graded black trap/granite/basalt stone aggregate, 40mm thick cover reinforced with 8mm dia bar 4 Nos both way with 12mm dia round bar handle, GI light grade watering pipe 20mm bore with funnel and wiremesh and 15mm dia GI light grade earth lead protection pipe up to equipments max length 7.5 mtr complete all as specified and directed. (i) On testing after completion if the desired resistenance is not obtained the contrator shall redo the earthing without any extra cost to the department .

M&L plinth for transformer of size 3m x 3m x 1 m above ground level and 0.30m in foundation, including excavation in any type of soil for foundation, including brick work with sub class B bricks, pcc work, earth filling work, platering work etc for placing of transformer complete all as specified and directed.

Supply, installation, commissioning and testing of LT Outdoor type panel board (factory made of approved CPRI) suitable for (LXHXW) Floor mounted double door outdoor type made out of CRCA sheet 3.15 mm thick dust proof, powder coated from both side, individual door, factory locking system with two side ventilation suitable for working on 415 volt AC supply including bus bar chamber and Aluminium bus bar of capacity 250 Amps rating for phase and neutral mounted on hygroscopic insulator fixed in a separate bus bar chamber separate compartment for incoming and outgoing feeder prewired with suitable size of Aluminium conductor cable including fitted on 50x50x6mm angle iron channel with PCC (1:3:6) bedding upto a height of 45cm above ground level and 30cm foundation complete all as specified and directed and provision of lugs and bushing for housing the following:- (i) Aluminium bus bar 250 amps for phase & neutral-04 Nos (ii) MCCB 4P 160 Amps, 25 KA - 01 No (Incoming) (iii) MCCB 4P 100 Amps, 25 KA- 01 No (Out going) (iv) MCCB 4P 63Amps, 36 KA - 01 No (Out going) (v) MCB DP-20Amp-5 Nos (vi) MCB DP-32Amp-5 Nos (vii) MCBs-DP-40Amp-2 Nos (viii) MCBs-TPN-63Amp-3 Nos (ix) MCBs-TPN-32Amp-2 Nos (x) Panel should have additional space along with suitable din rail for mounting of 10 nos, SP/SPN MCBs (xi) Multi functional digital Voltmeter and ampere meter including suitable and appropriate CTs-01 Set (xii) Indicator lamp (LED R-Y-B)- 01 Set

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep and getting out in any type of soil for laying of cable complete all as specified and directed.

Excavation in trenches beyond 1.5m but not exceeding 3 metre deep and getting out in any type of soil for laying of cable complete all as specified and directed.

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

Removing surplus soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.50 m above the starting point, complete all as specified and directed.

Sand cushioning to underground cables 8cm thick before laying cable and 15cm thick after laying and streching the cable, complete all as specified and directed. Note : For payment purpose punned thickness 18cm shall be measured.

Supplying and laying unreinforced precast concrete cable cover, Class HV, Type 2, flat, size 450mm x 180mm x 40mm, complete all as specified and directed.

Supplying and laying unreinforced precast concrete cable cover, Class LV, Type 2, flat, size 300mm x 180mm x 40mm, complete all as specified and directed.

Supply, laying, jointing and testing in trenches, 80mm dia galvanized iron water tubing light grade (ISI marked) including provision of all necessary steel fittings/ accessories complete all as specified and directed.

Electromech Engineers (BID ID -3479901)

M/s BUTT BROTHERS (BID ID -3474214)