AUGMENTATION OF ELECT SUP WITH 250KVA TRANSFORMER AT HARSHAN ENCLAVE AT PANGODE MILITARY STATION TRIVANDRUM

Amount

Supply, install, connect, test and commissioning of three phase out door type, platform/plinth mounted 250 KVA, distribution transformers, energy efficiency Level 3, BEE 5 star rated, step down, oil cooled, prime grade core, copper double wound with standard fittings, HT 11 KV/0.433 KV, 3 phase four wire 50 HZ with off load tapping on (+/-2.5%, (+/-) 5%, (+/-) 7.5% at HT side by hand operated, vary secondary voltage within limit complete all as per IS 1180, part-I, 2014 and IS 2026 part-II. HT & LT side with terminal boxes, The maximum temp rise 40 deg in oil and 45 deg in HV/LV winding when measured by the resistance method after continuous full load run in ambient temperature of 50 deg, including comprises the following standard fittings & accessories as per manufacturer's instruction.

(i) Lifting lugs, top cover lugs. (ii) Earthing terminals. (iii) Coservator with oil gauge glass, oil filling hole, with plug & drain plug. (iv) Transformer drain valve (v) Bi directional plin roller (vi) Explosion vent with diaphragm (vii) Thermostate pocket (viii)Air vent plug (ix)Silica gel breather (x) Rating & diagram plate inpection cover terminal making plte (xi) Cooling radiator (xii) LV neutral bushing brought out for external earthing (xiii) First fill of EHV grade transformer oil

Supply and install HT 11 KV outdoor type gang operated air break switch suitable for horizontal or vertical mounting with drop out fuse and operating mechanism worked from ground level having 9 insulators of rating upto 200 Amps etc complete all as specified and directed.

M&L for expuision fuse unit 11 KV,dropout,mounted on insulators,upto 25 Amps capacity all as specified and as directed etc complete all as specified and directed.

Supply and fixing lightening arrestor HT 11 K, expulsion type, transmission class and discharge capacity 65 KA complete with all fittings etc complete all as specified and directed.

S & F pin type porcelian & Vitreous white brown or green insulator including one galvanised mild steel spindle two galvanised iron nut 150mm height 150mm dia for 11000 volts etc complete all as specified and directed.

M & L for cross arms , supports clamps and back plate, fabricated from structural steel section including nuts, bolts, washers ,welding, bending cold or hot drilling holes for bolts in any shapes or sizes as indicated or directed and inclusive of one primer coat,one under coat and one finishing coat coat of paint etc complete all as specified and directed.

M&L for earthing galvanised steel earth plate electrode 600X600X6.00mm thick burried directly in ground (earth plate not less than 2.25 mtr deep below normal ground level with top edge of the plate less than 1.5 mtr below normal ground level) connected to GI strip 32x6 mm by means of bolts, nuts, check nuts, and washers, of galvanised iron or steel including GI pipe light grade 40 mm bore for protection of earth lead,GI funnel and wire mesh etc complete all as shown in Electrical plate No 3 of SSR 2009(part- I)including necessary excavation earth work, form work.earth pit of size 450X450X300 mm of PCC M-15 (Nominal mix)using stone aggregate earth pit cover of PCC and 20 mm bore light grade GI pipe for watering and charcoal dust,common salt, and connected to test point 7.5 mtr from earth pit including testing etc complete all as specified and directed.

Supply and laying HT XLPE insulated screened PVC bedded galvanised steel strip wire armoured electric power cable (heavy duty) with strandard aluminium conductor 11000 volts grade of size 3 core 95 sqmm etc complete all as specified and directed.

S & F cable jointing out kit for 11 KV grade cable for outdoor termination heat shrink type joint complete with jointing mtrl and accessories suitable for 3 core XLPE armoured AIuminium conductor cable of size 95 sqmm etc complete all as specified and directed.

Supply and laying LT XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable (heavy duty) 1100 volts grade with standard aluminium conductor of size 3.5 core 240 Sqmm etc complete all as specified and directed.

M & L for cable gland suitable for LT 1100 Volt 240 sqmm 3.5 core etc complete all as specified and directed.

Supply and lay GI pipe light grade of size 100mm dia etc complete all as specified and directed.

All as per item No 12 here-in-before but for 80mm dia

S&F as in repair Automatic Power Factor Correction (APFC) Panel 5 step for 3 Phase, 415 V & 50 Hz and system of capacity 50 KVAR with APFC relay(IPFC CS 1001) 1 CT, incoming MCCB 4 Pole, 415 V, Adjustable type, 160 Amps with breaking capacity 36 KA, suitable contactors, MCB SP,MCB TPN ,Indicators for RYB, bank ON/OFF, system internal wiring,capacitors (1x2KVAR,1X3KVAR, 1X5 KVAR, 1X10 KVAR. 2X15 KVAR) powder coated panel CPRI approved ,IP 66 protection dust and vermin proof etc complete all as specified and directed.

Material and labour for brick work with old size sub-class ‘B’ bricks, straight or curved on plan exc 6.00 metre mean radius, built in cement mortar 1:6 etc complete all as specified and directed.

Supply only Chain Link galvanised fencing any size type and etc complete all as specified and directed.

M & L for Plain cement concrete [1:3:6] type C2, using 40mm graded stone aggregate as in foundation of poles,filling etc complete all as specified and directed.

M & L for Preparation of new steel and iron surface of any description over 10cm in width or girth and applying 2 coats of synthetic enamel paint over a coat of red oxide primer etc complete all as specified and directed.

Excavation in post holes in soft/loose soil, each not exceeding 0.5 Cum, getting out, returning filling in and ramming earth or broken rubble mixed with around earth in layers not exceeding 25 cm thick, watering and removing surplus spoil to a distance not exceeding 50 m and making good surface etc complete all as specified and directed.

M&L for Mild steel work of E-165Gde [Fe -290] as in angle iron fencing posts,steel gate including cutting, tops to shape as directed, bent to shape, drilling holes, notching for wire etc, etc complete all as specified and directed.

Fixing only chain link fencing including line wires, any mesh, size and type to any type of standards, rails, straining bolts, etc. including provission of binding wire etc complete all as specified and directed.

S & F Mild steel screw bolts 8mm (machine made) with hexagonal or square heads at one end screwed the other, screwed both end to be fitted with washers and one hexagonal or square nut, n exc 5cm long etc complete all as specified and directed.

S & F Mild Steel round bars Fe-290,Gde E-165, as reinforcement, 10 mm dia and over cut to length bent to Shape required, incl cranking, bending sprally for hooping for columns hooking ends and binding with and incl mild steel wire (annealed) not less than 0.9mm dia or securing with clips etc complete all as specified and directed. (Weight of binding wire clip shall not be considered for measurement and payment purpose).

Excavation in trenches in Soft/loose soil not exceeding 1.5M wide and not exceeding 1.5 M depth for foundation etc complete all as specified and directed.

Returning, filling in riddled soil including spreading, levelling watering and well ramming in soft/loose soil in layer not exc 25cm etc complete all as specified and directed.

Removing surplus soil to distance not exc 50 mtr and depositing where directed at a level exc 1.5 mtr above the starting point etc complete all as specified and directed..

Supply and lay bricks, common burnt clay building bricks, sub-class 'B' etc complete all as specified and directed.

Supplying and laying un-reinforced precast concrete cable cover, class HV, Type-I, Flat, size 300mm X 180mm X 40mm etc complete all as specified and directed.

Supply and fill Moorum/red bajri in floors or pavings laid in layers not exceeding 15 cm thick spresd levelled and rammed including watering etc complete all as specified and directed.

M&L for 15 mm thick rendering (5 + 10mm) in double coat in CM 1:4 etc complete all as specified and directed.

M&L for applying two coats of cement base paint on plastered surface, including preparation of surfaces and priming with alkali resistant priming paint etc complete all as specified and directed.

Supply and fillings stone aggregates of gauge 40 mm to 80 mm in floors or pavings laid in layers not exceeding 15 cm thick spresd levelled and rammed including watering etc complete all as specified and directed.

MONA GENERATOR SEVICES PVT. LTD.

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