Provision of 200 KVA 3 Phase Voltage Stabilizer for Bldg No P 192 at NCN Goa and Provision of water supply to ashore accommodation for inliving sailors at Goa under GE Gomantak Vasco

Amount

Surface excavation n.exc (not exceeding) 30 cm deep and averaging 15cm in deep and getting out in soft/disintegrated rock complete all as specified and directed.

Excavation in post holes (or similar holes) each n exc 0.5 cum, getting out returning filling in and ramming earth or broken rubble mixed with earth around in layers not exc 25 cm, watering and removing surplus soil to a distance n exc 50 m and making good surface as in soft/disintegrated rock complete all as specified and directed.

M&L for hard core of broken stone or boulders gauge not exc 63 mm, deposited, spread and levelled in layers n exc 15 cm thick, watered and rammed to a true surface complete all as specified and directed.

M & L 40 mm thick cement concrete B-1, 1:2: 4 as in floor (using 20 mm graded aggr) incl finished the concrete surface with broom finished when the concrete is green complete all as specified and directed.

M & L PCC type C-2, 1:3:6 (using 40mm graded aggregate) in foundation filling or mass concrete, for fixing of posts/ poles etc complete complete all as specified and directed.

S&F roof trussed framed, trussed, purlins, crane gantries, rails and fastenings and heavy brackets framing (Beam, tee, angles, channel or flat sections) including distance pieces, cleats etc. (Fe- 410-W (Gde E-250 quality A) complete all as specified and directed.

M&L for preparation of new steel surfaces of any description, over 10 Cm in width or girth, not otherwise described and apply two coat of Anti corrossive paint over a coat of anti corresive primer complete all as specified and directed.

M&L for pre painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding fixed with self tapping screws complete all as specified and directed.

Excavation in trenches in soft/disintegrated rock, n. exc. 1.5 m wide and n. exc. 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n. exc. 10 sqm on plan and getting out complete all as specified and as directed.

M&L for plain cement concrete 1:4:8 type D-2 (using 40mm graded stone aggregate) as in foundation, filling & mass concrete complete all as specified and directed.

Returning filling in including spreading watering and well raming in layer excedding 25 cm each in any type of soil complete all as specified and directed.

M&L for precast cement concrete block masonry, type C-1 (1:3:6) (20 mm graded aggregate) with solid blocks, exc 10 cm in width and setting in CM 1:6 complete all as specified and as directed.

M&L for rendering 15 mm thick on brick work or concrete surfaces in cement mortar 1:6 finished even and smooth without using extra cement complete all as specified and directed.

M&L for applying two coats of cement base paint over a coat of alkali resistant primer on new surfaces of walls including preparation of surface complete all as specified and directed.

Removing excavated rock/soil exc 50m but not exc 250m and depositing where directed at a level n exc 1.5 m above the starting point complete all as specified and directed.

M&L for 100 mm thick Cement concrete 1:3:6, type C-2 (using 40mm graded stone aggregate) as in sub base of floor etc. complete all as specified and directed.

Supplying, installing, testing and commissioning of static voltage stabilizer for automatic IGBT controlled (unbalanced load), Microprocessor based Digital three phase, 4 wire, Air cooled, outdoor type & designed for input variation between 340 V to 480 V with output voltage stabilized at 415 volt with accuracy ± 1%(P-P) complete all as specified and directed with following :-

Specifications:- (1) Type - IGBT Static Voltage Stablizer (Out door type) (2) Input Voltage Range 340V - 480 V, AC Three phase. (3) Output Voltage : 415± 1% (Phase to Phase}+) adjustable. (4) Rated Freq 50 HZ (5) Wave form distortion : Nil (6) Response time not to exceed 10 miliseconds. (7) Duty cycle : Continous 100% loading at lowest input voltage for indefinite time. (8) Rate of correction : Greater than 5000 volts/sec, the said voltage regulator should sense as well as correct any voltage sag/ fluctuation within 20 miliseconds, i.e one wave form. (9) Overload capacity : 125%, it should be able to take startup load with high in rush currents. (10) Efficiency : Greater than 96% at 100% and highest voltage input. (11) Type of load - Three phase unbalanced type. (12) Digital display voltmeter /Ampmeter. (13) Cooling type: Air Cooled. (14) Protections: (i) MCCB/MCB for overload & short circuit protection. (ii) Intelligent bypass & Manual bypass arrangement.

(15) Voltage regulations shall be performed by IGBT driven PWM inverter operating at around 20 KHZ switching frequency with typical voltage correction time of 20 ms (one cycle for 50 Hz supply) so that output voltage complies with the rquirements of ITIC curve for regulated voltage supply to electronic machinery. (16) Voltage regulation should be achieved by super imposition of PWM wave on incoming wave, without anti brake in the power path. (17) Static voltage regulator should use only static parts for real time voltage correction. It should not use any such moving parts like relay or brush which limits the rate of correction of voltage regulation. (18) There should be no mswitching in the power path, current interruption, transition or step changes duiring voltage reulation. (19) Capacity 200 KVA. (20) Warranty 5 years . Make :Volina, Sinetrac or equivalent

M/L for earthing complete with copper earth plate eletrode 60cm x 60cm x3.15mm thick buried directly in ground vertically (earth pit not less than 2.25 mtr below ground level) with top edge of plate not less than 1.5 mtr below ground level connected to copper strip 20 x 3 mm by means of bolts, nuts, check nuts and washers etc. including strip protection pipe 40 mm dia upto 7.5 m length, all as per electrical Plate No. 3 of SSR Part-1 Including neccessary excavation in disintergrated and hard soil and 20 mm dia GI pipe with funel for watering PCC earth chamber 100mm thick RCC cover 40mm thick (1:2:4) type B-0 using 12.5 mm graded stone aggregate reinforced with 6 mm dia round bar @ 75 mm C/C both ways with MS handle 8 mm dia, plastering 15 mm thick CM (1:6) externally upto 150mm below ground level, and earth test point and testing in presence of Engr -in -Charge.

Supply, Laying, joining & testing LT XLPE Insulated & sheathed armoured electric cables with multistranded aluminium conductor cable 1100 volts grade, laid in trenches/ ducts or fixed to poles/walls or laid under roads/ paths/ drains/ culverts duly encased in galvanised steel pipe of suitable sizes including cable gland of suitable sizes & aluminium lugs for connection cross- sectional area 240 Sq mm 3.5 Core complete all as specified and directed.

Excavation in trenches in hard/dense soil, n exc 1.5 m wide and n exc 1.5m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n exc 10 sqm on plan and getting out complete all as specified and as directed.

Supply & laying double walled corrugated (DWC) HDPE full rounded pipe conforming to IS 16205 Pt-24 of approved colour complete with fittings for cable protection of size 75 mm inner dia and 90 mm outer dia complete all as directed.

Supply and laying GI tubing medium grade 80 mm bore with all fittings such as nipple, bend, elbow, union etc. for passing through cables laid under the floor, along the wall or along the pole complete all as specified and directed .

Excavation over areas, n.exc 1.5 m deep and getting out in soft/disintegrated rock complete all as specified and directed.

Removing excavated rock/soil to a distance exc. 1.50 Km but not exc. 5 Km and depositing where directed at a level n exc 1.5 m above the starting point complete all as specified and directed.

M&L RCC M-30 (Design mix) using 20mm graded stone aggregate as in foundations, including rafts, footings, foundation beams, plinth beams, bases for columns, etc. basements slabs, under reamed piles and mass concrete and similar works complete all as specified and directed.

M&L RCC M-30 (Design mix) using 20mm graded stone aggregate as in columns, pillars, piers, posts and struts and similar works complete all as specified and directed.

M&L for RCC (Design mix) , M-30 (20mm graded stone aggregate) in Beams, lintel bands, cantilevers etc complete all as specified and directed.

M&L RCC M-30 (Design mix) using 20mm graded stone aggregate as in slab supported on wall, beams and coloumns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves and similar works complete all as specified and directed.

M&L for RCC M-30 using 20mm graded stone aggregate as in fins, fascias, louvers, parapets, and railings exc. 60 cm in height, newels, balustrade, and the like complete all as specified and directed.

Use and Waste Formwork to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter for flat rough finish surface of concrete complete all as specified and as directed.

Use and Waste Formwork to sides of pillars, posts, struts, piers, columns and stanchions for square, rectangular or polygon rough finished surface of concrete complete all as specified and as directed.

Use and Waste Formwork to sides and soffits of floor or roof beams, beam haunchings, girders, bressummers, lintels, cantilevers, shelves including supports, overhangs, etc. also splays between floors and beams, etc. for flat rough finish surface complete all as specified and as directed.

Use and waste Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200m thick (Horizontal or sloping) for flat rough finish surface complete all as specified and as directed.

Use and waste Formwork to fins, louvers, fascia for rough finished surfaces of concrete complete all as specified and as directed.

M&L for Mild steel TMT bars 10 mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with the including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and as directed.

M&L Mild Steel TMT bars 5mm dia and over upto and including 10mm dia in stirrups, spacers and binders, cut to length, bent to shape required including cranking, bending spirally for hooping for columns and binding with and including mild steel wire (annealed) not less than 0.9mm dia complete all as specified and directed.

M&L for rendering 10 mm thick in cement mortar 1:3 on on concrete surface finished even and smooth without using extra cement complete all as specified and directed.

M&L 5 mm thick rendering in cement mortar 1:3 on ceiling finished even and smooth without using extra cement complete all as specified and directed.

M&L for preparation of new plastered surfaces and applying two coats of weather proof exterior emulsion paint on brick/concrete surfaces over a coat of alkali resistant primer complete all as specified and directed.

S&F mild steel framed work such as grills, gratings etc. with ends of bars shouldered and/or riveted, or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walk ways, railings, framework of water tanks and similar work conforming to Fe-290 Gde E-165 complete all as specified and directed.

Supply, fixing, laying & testing CPVC pipes 20 mm outer dia SDR 11 including Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors/trenches complete all as specified and directed

Supply, fixing, laying & testing CPVC pipes 25 mm outer dia SDR 11 including Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors/trenches complete all as specified and directed

S&F 25 mm diameter Ball brass valves high pressure with polythene float and flynut complete screwed for iron pipe or brass ferrule and fixed as specified.

S&F 25 mm bore gun metal gate valve with iron wheel head, screwed both ends for iron pipe complete all as specified and directed.

S&F Rotational moulded Polyethylene (HDPE) Water Storage Tank 2000 Litre Capacity (Cylindrical Vertical with Closed Top), Black in Colour, hoisted and fixed in Position, fixed with tank nipple, union complete all as specified and directed.

M&L for 75 mm thick cement concrete 1:3:6 type C-2 (using 40 mm stone graded crushed stone aggregate) as in plinth protection including necessary foamwork surface finished even and fair including forming construction (dummy) joints 6 mm wide & 10 mm deep and filled with filler at an interval not exceeding 3 metre and at change of direction complete all as specified and directed.

M&L for 100 mm thick Cement concrete 1:4:8, type D-2 (using 40mm graded stone aggregate) as in sub base of floor etc. complete all as specified and directed.

M&L for 100 mm thick cement concrete 1:2:4 type B-2 using 40 mm graded stone aggregate as in floor finished even and fair without using extra cement complete all as specified and directed.

M&L for preparation of new or previously untreated surfaces of steel or iron of any description over 10cm width or girth, not otherwise described and applying two coats of synthetic enamel paint over a coat of red oxide primer complete all as specified and directed.

Supply, fixing, laying & testing 80 mm dia (Nominal bore) galvanised iron water tubing 'heavy grade' with and including all GI fittings such as flanges, unions, reducer sockets, socket reducing bends, elbows, tee, checknuts, caps, plugs etc. fixed complete to walls and ceilings or laid in floors/trenches complete all as specified and directed.

Supply, fixing, laying & testing CPVC pipes 40 mm outer dia SDR 11 including Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors/trenches complete all as specified and directed

S&F Cast iron 80 mm bore sluice valve class PN-1.6 heavy duty both end screwed conforming to IS-14846 2000 ISI marked with stainless steel spindle and iron wheel head complete with rubber gasket packing, nuts, bolts and washers as required at site all as specified and directed.

S&F Cast iron non return valve ISI marked 100 mm dia heavy duty both end flanged with suitable size of nut bolt washer complete all as specified and directed.

M&L for construction of valve pit of size 900 x 900 x 1200 mm ( internal dimensions of the chamber), removing the unserviceable material at a distance not exceeding 50 Mtr and constructing new vlave pit with following specifications:- (i) PCC 1:4:8 type D-2 (using 40 mm graded stone aggregate) 75 mm thick in foundation. (ii) Precast cement concrete block masonry, type C-1 (1:3:6) (20 mm graded aggregate) with solid blocks, exc 10 cm in width and setting in CM 1:6 (iii) 15mm thick plaster internally and on top in CM 1:6 and 15 mm thick in CM 1:4 extrnally upto 15 cm height or upto GL. (iv) Flooring 40mm thick in PCC 1:2:4 type B-1 (using 20 mm graded stone aggregate) (v) PCC coping 40 mm thick in PCC 1:2:4 type B-1(using 40 mm graded stone aggregate) (vi) Angle iron frame 40 x 40 x 6 mm thick for cover and mild steel 3 mm thick plate in cover with locking arrangement, handle and necessary hinges etc, . (vii) Two coat of synthetic enamelled paint over a coat of red oxide primer on steel surface.

Cutting of existing GI/Steel/CPVC/CI tubing of 40-50mm dia/size in position for taking branch connection including insertion of new tee, elbow, reducer etc. equal and any other accessories as required at site or directed.

M/S G.N.POWAR (BID ID -3063304)

M/S P S BABU (BID ID -3063651)

M/S DUBAL CONSTRUCTION (BID ID -3063443)