PROVN OF 02X 100 KVA SERVO VOLTAGE STABILIZER 3 PH AT HANGER AND PROVN OF 315 KVA TRANSFORMER WITH CONNECTED SERVICES IN DINJAN MIL STATION UNDER DINJAN MIL STN

Amount

Supply & fixing 3 phase servo controlled voltage stabilizer of capacity of 100 KVA (conforming to BIS 9815:Part 1: 1994) for automatic operation, rated frequency 50 Hz, naturally oil cooled, indoor type with protection, unbalanced type, copper wound, metallic body duly powder coated with lifing hooks-02 nos and digital display of volt/amp meter etc & designed for input variation between 340V to 480V with output voltage stabilizer at 415 with accuracy ± 2.5% and speed of correction 8 Volts per second at 430 V and of 100 KVA, with relay free smooth and silent operation, having no distortion in wave form, response time not to exceed 20 milli seconds, sensitivity (+/-) 1% and having efficinacy more than 95 %, complete all as specified and as directed.

M & L for earthing complete with galvanised steel plate earth electrode 600 mm X 600 mm X 6 mm 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 earthing lead of 32 mm X 6 mm galvanised mild steel strip by means of bolts, nuts, check nuts and washers of galvanised iron from earth plate to test point upto 7.5 metre including all as shown in electrical plate No. 3 of SSR Part I (2009) including necessary concrete chamber in cement concrete M15 (Nominal Mix) using 20 mm nominal size coarse aggregate, precast RCC cover slab in cement concrete M15 (Nominal mix) using 20 mm nominal size coarse aggregate of size 40 cm X 40 cm X 5 cm reinforced with 8 mm dia TMT bars @ 150 mm c/c with one handle for lifting made out of 8 mm dia bar, GI funnel, GI wire mesh filter, 20 mm dia GI pipe medium grade for watering, 40 mm dia GI pipe medium grade for protection of earthing lead, charcoal or coke and salt in alternate layers including necessary excavation and earth work in any type of soil/ strata and testing complete all as specified and as directed by the Engineer-in-charge.

Supplying & laying in trenches 100 mm nominal bore, medium grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3 core with reduced neutral conductors (3½ core), nominal cross sectional area of main conductor 185 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

S & F cable jointing kit for 1100 V (Earthed) grade cable for straight through heat shrink type joint, indoor/ outdoor type complete with jointing material and accessories suitable for 3 core with reduced neutral conductors (3½ core) XLPE armoured aluminium conductor cable of size 185 sqmm complete all as specified and as directed.

Supply and fixing 32 mm X 6 mm galvanised mild steel strip for horizontal conductors and down conductors including suitable design of fixing components of galvanised steel as per fig 28 of IS 2309: 1989 complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or water supply pipes lines etc or not exceeding 10 sqm on plan and not exceeding 1.5 m in depth and getting out in soft/ loose soil complete all as specified and as directed.

Excavating in trenches not exceeding 1.5 m wide and exceeding 3 m but not exceeding 4.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. or for cable laying or not exceeding 10 sqm on plan and exceeding 3 m but not exceeding 4.5 m in depth and getting out in soft/ loose complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25 cm in soft/ loose/ hard/ dense soil complete all as specified and as directed.

Removing excavated material (soils) not exceeding 50 m and depositing where directed at a level n exc. 1.5 m above the starting point

Supply & spreading in trenches dry river sand cushioning to underground cable in trenches including spreading, levelling hand punning down complete all as specified and directed Note:- Depth of sand cushioning will be measured after punning down and levelling the sand properly.

S & F XLPE cable end termination, heat shrinkable, outdoor type complete with jointing material and accessories suitable for voltage 11 kV (Earthed), 3 core 95 sqmm complete all as specified and as directed.

S & F gang operated air break switch, three poles, outdoor type, nominal system voltage 11 kV, rated voltage 12 kV, rated normal current 200 Amps, rated frequency 50 Hz, rated one minute power frequency withstand voltage between (i) earth & poles 28 kV (rms) (ii) across the isolating distance 32 kV (rms), rated lightning impulse withstand voltage (i) to earth and between poles 75 kV (Peak) (ii) across the isolating distance 85 kV (Peak), Rated short-time withstand current 25 kA for 3 seconds, rated peak withstand current 63 kA for climatic conditions at the site, mechanically operated mounted on insulator and steel frame with operating mechanism worked from ground level for current complete all as specified and as directed.

Supply and erection of lightning arrestor explusion type suitable for 11 kV continuous operating voltage (3 phase) with rated voltage 24 kV (rms) with nominal discharge capacity of 65 kA and complete with galvanised clamping arrangements, GI bolts, nuts, washers etc. complete as specified and as directed. Note- Lightning attester shall be able to withstand wind load of 196Kg/Sqm and seismic acceleration of 0.39g.

M & L in replacement for precast PCC cable route indicator duly marked and painted for HT/LT cables of size 80x25x7.5 cm with suitable size of base, embossed with lettering "MES HT/LT Cable", complete all as specified and as directed.

M & L for danger notice plate of 1.6 mm thick mild steel sheet, vitreous enamelled white, with letters, figures and conventional skull and bones in signal red colour and fixed with mild steel clamps, bolts and nuts of approved size, for HT, 250 mm X 200 mm complete all as specified and as directed.

Supply, laying and testing cross linked polyethylene (XLPE) insulated, PVC sheathed cables for working voltages 11 kV, three phase, earthed system, 3 core, screened, armoured power cable, 95 sqmm of nominal area of conductor, aluminium conductor, ISI marked as per IS 7098 (Part-II): 2011 laid in trenches or under floors making all connections with necessary glands lugs bushing including taking down complete all as specified and as directed.

Supply, laying, jointing, testing and commissioning cross-linked polyethylene (XLPE) insulated cable for working voltages of 1100 V, PVC sheathed, armoured, 3 core with reduced neutral conductors (3½ core), nominal cross sectional area of main conductor 70 sqmm, stranded aluminium conductor, ISI marked as per IS 7098(Part-I): 1988 including cable glands, lugs etc. to suit the cable size and to be laid in trenches, fixed along pole, under floors, through GI pipe laid under floors/roads, through concealed GI pipe along wall etc. complete all as specified and as directed.

Supplying & laying in trenches, in road cutting and along pole 80 mm nominal bore, light grade, galvanised coated steel tube conforming to IS 1239 (Part-1): 2004 including all fittings conforming to IS 1239 (Part-2): 2011 complete all as specified and as directed.

M & L for steel tubular swaged pole 410 SP-55 (11.0 metre long) seamless type, including CI base plate, finial taper plug, bolts, nuts & screws as per IS 2713 Part -I & II including painting with two coats of bituminious paint over a coat of red oxide zinc chrome primer on exposed portion and making strips of width 30 cm upto 1.5 m from the ground level in black and yellow shade in alternate layer including numbering of poles using two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer and two coats of anticorrosive paint over a coat of red oxide primer to embedded portion of pole including making good to match existing area complete all as specified and as directed. Note- Earthwork shall be measured and paid seperately. Volume occupied by steel pole shall be deducted to derive the quantity of PCC.

M & L for cement concrete in foundation, filling and mass concrete in M7.5(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete in foundation, filling and mass concrete in M10(Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and as directed.

M & L for cement concrete M10 (Nominal Mix) using 20 mm nominal size coarse aggregate in pole coping or roof kerbs or mud stops, rounded or chamfered on edges complete all as specified and as directed.

M & L for cross arms, bracings, supports, clamps, back plates and stay clamp 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 applying two coats of aluminium paint over a coat of red oxide primer complete all as specified and as directed.

Supply & laying unreinforced precast concrete cable cover class HVP type 1, with peak shape, dimension 300 mm X 180 mm X 40 mm and 65 mm peak thickness as per IS 5820: 1970 complete all as specified and directed.

M & L for laying of bricks locally available sub class 'B' bricks (old size) for cable protection cover laid flat and dry in trenches over the cable perpendicular to the direction of cable all as directed.

Supplying, installing, connecting, testing & commissioning of distribution transformer out door, step down copper wound having primary side of HT 11 KV & secondary for 3 phase 433 volts, 4 wire 50 Hz capacity of 315 KVA and energy efficient level-3 as per IS 1180 of 2014 part-I with the following specification :- (i) No load voltage ration-11/0.433 KV (ii). Nos of Phases-Three (iii) Type of cooling ONAN (iv) frequwncy 50 Hz (v) Vector group-DYN 1 (vi) two earthing terminals for body earthing and two additional for neutral brought out on a bushing (vii) first fill of oil, oil level guage indicating oil level minimum and maximum (viii) Lifting lugs (ix) rating and terminal marking plates, (x) dehydrating breathing device which would not permit ingress of rain water and insects (xi) drain-cum-sampling valve (3/4'' nominal size thread) preferably steel with plug (xiii) Thermometer pocket (xiii) oil filling hole (1-1/4'' nominal size thread) with cover (xiv) Connection-Delta/Star (xv) Temperature rise in oil-45 degree centigrade (xvi) temperature raise in winding - 55 deg centigrade (xvii) % in step of + or -ings-copper wound (xviii) high voltage/off load tap changing (+or- % or as per relevant specified and as directed.

Garg Brothers

ms singh construction

STANDARD ELECTRIC WINDERS

RIA CONSTRUCTION