PROVN OF RAIN WATER HARVESTING FOR KALIMATA AREA OF MAHAR AT LEBONG UNDER AGE (I) DARJEELING

Amount

Supply installation testing and commissioning of filtration plant as per manufacturer's drawing design of min capacity 6,000 GPH confirming to IS 2062 vertical type, single or double deck provided with face piping, valves, filter, under bed plate system fitted with PVC strainer, pressure gauges, man hole, hand hole, air vent systems, air compressure of suitable capacity for back wash complete as per following specification.

(a) Pressure Filter: Vertical singledeck and multi grade type.

(i) Capacity : 6000 GPH

(ii) Shell : 1800mm diaX1500mm height

(iii)Thickness : Body-6mm, Disc-8mm, Bed plate-10mm

(c) Material of construction : Mild Steel ISS-2262

(d) Frontal face pipeline: To be fabricated from 80mm ERW (MS) Pipes medium grade, Valve in frontal Pipeline 80mm butterfly valve flange less finish.

(e) Media : sand & Gravells, Qty- 95 CFT appx.

(g) Under bed System : Perforated Plate fitted with push fit type PVC strainer, Qty- 250 Nos (appx) made of LDPE.

(h) Pressure Gauge and sampling Clock : 02 sets, for raw water and filter water.

(j) Air Compressor : Air compressor 6 cfm, as per OEM specification fitted with 1.0 HP, 440 Volts AC Motor, 1500 RPM including Air receiving tank, V belt, Belt guard, auto cut off switch, safely valve etc complete all as specified and directed. Make: Make and Model as pe OEM

(k) Design Pressure: confirming to IS 2825, Test pressure- 4.5Kg/Cm², Working pressure- 3.5Kg/Cm².

(l) CI alum pot & soda pot with brass fittings- 14 ltrs.

[Note : chlorine testing kit with coloured ample and operation & maintenance manual etc complete all as specified and directed. Make- RMCO/ Thermax/ Milton Ray/ Potter & Watts As per E-in-C guideline

S&F Compact universal Stequa 411 AE refill applicator (stequa pack pro) of the following specifications: Multi-cavity 100 L water treatment station with proportional dose adjustment options. The system shall be of diaphragm-free, Agitator free, tube based self-priming fluid delivery drive unit to prevent air /vapour locks and dry-run problems. Fluid release up to 5 LPH independent of back pressure up to 7 Bars Erosion-enabled system for controlled release of Chlorine with accurate output reproducibility Integrated plug & play system operating on single phase 230 V 50 Hz power source Including refills of plastic cylindrical sealed disposable sanitiser refill containing solid Chlorine for disinfection of drinking water, with arrangement for controlled release of disinfectant in water, suitable for operation through recommended dosing system. Replacement indication: visual & weight variation Water contact orifice design: Sealed when dry, exposed upon immersion Operation type: Non-contact, non-inhalatory Cylinder dia: 2.5 inches ± 0.5 inches; Cylinder height: Minimum 10.0 inches ± 0.5 inches complete all as specified and directed. Make- DACLIBAC/ Milton Ray/ RMCO/ Potter Watts

Design Fabrication, Supply and Installation of Factory assembled, Factory Tested HYPN System made of 2 nos Vertical Multistage Inline Pump (1 W + 1 SB) for Water Transfer through on line Filtration unit at 2 different Head. Pumpset should contain common Skid fitted with a common panel equiped with suitable size VFD with Pressure Transmitter & PLC with HMI Touch Screen Display. MAkE:- Kiloskar Brothers Ltd/ Lubi Industries/ KSB Pumps Ltd/ Wilo (mother & Plantt Pumps Pvt Ltd.

Installation:- In door ( Inside Shade)

Pump Type: Vertical Multistage Inline Pump ( 1 W + 1 SB ) MAkE:- Kiloskar Brothers Ltd/ Lubi Industries/ KSB Pumps Ltd/ Wilo (mother & Plantt Pumps Pvt Ltd.

Location:- Pump House

Source of Water :- Stream Water Natural Source through sedimentation tank

No. Outlets: Single Outlet

Casing: Material of Construction, CI

Impellers: Material of construction: SS 304

Shaft: SS 304

Type of Bearing: Ceramic/Tungsten Carbide

Pump RPM : 2900 RPM

Motor Efficiency: IE2

Enclosure: IP 55

Seal material: Carbon/SiC/SS316/EPDM

Insulation Class: F

Motor RPM : 2900 RPM

Type of Motor : 3 Phase Squirrel cage Flange Mounted Induction TEFC Motor .

Motor Insulation: High grade PVC suit ambient Temperature.(0 to 35 Deg.C)

No. of Poles: 2 Nos.

Supply Voltage : 415 + 10%

Cycles/Sec. : 50 Hz + 5%

Accessories: Y Strainer, Gate Valve, vibration isolators, base plate, Suitable dia. piping with Non return valve, Butterfly valve as connected to a common header for Suction & Delivary of suitable dia prefferred 3" . pipe including flange, nut, bolt, washer, gasket, piping support etc complete.

Pressure gauges at delivary & Pressure Transducer

Mounting Frame

Logic: The pumpset will start at sensing Pressure drop from preset Pressure in PLC ( Programable Logic Controller ) & according it's comand

Approximate Power Requirement = 10.0 HP (approx) for Each Pump

Pump Duty Condition: 40M3/Hr (2 Pump Cumulative Flow) at 85 Mt head.

REQUIREMENT OF PUMP (1R +1S)

DIAPHRAGM VESSEL

Supplying, installation testing & commissioning of vertically mounted MS Epoxy coated fixed diaphragm type pressure vessel (PN-16) 1 @ 100 litres capacity spherical or as per manufacturer recomedend with bottom supports for test.

CONTROL PANNEL as per Manufacture recommendation with dry run protection, Variable Frequency Drive, as per requirement alternet running, at peak demand all pump will run at a time to coverup the Pressure drop as well as constant flow, Control Switch for automatic ON-OFF etc complete with necessary PCC base work etc including connection of control panel from existing LT FPB (not more than 8mtr distance) and necessary pumbing work etccomplete all as specified and as directed.

Excavation in trenches in Soft/loose soil not exceeding 1.5 mtr width and not exc 1.5 mtr deep incl removing vegitation, shrubs, roots etc in plane/terrain surface as per site for laying of pipeline etc and getting out all as specified and as directed. [Excavetion for underground portion of pipeline only]

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

Removing surplus soil to a distance 150mtr and deposit where directed at alevel not exceeding 1.5 mtr above the starting point.

M&L for providing, cement concrete (1:2:4), type B-1 (using 20mm graded stone aggregate) in roof kerbs or mud stops, rounded or chamfered on edges, complete all as specified and directed.

M&L for 80 mm bore “medium grade” galvanised steel (GI) pipe with all fittings/clamps and laid in trenches, wall and floors complete all as specified and as directed.

S&F jointing and testing of cast iron Sluice Valve ISI mark (PN-1.6) of size 80 mm bore confirming to IS 14846-2000, flanged ends drilled having stainless steel spindle with cast iron wheel at top complete with nuts, bolts, washers and gaskets complete all as specified and as directed.

M&L for hardcore using broken stone or boulders of gauge n exc. 63mm, 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 for plian cement concrete type D-2 1:4:8 , using 40mm graded curshed stone aggregate as in mass concrete filling.(such as in sunken floors , raising floors at entry), complete all as specified and directed.

M&L for 40mm thick plain cement concrete(1:2:4), type B-1, (using 20mm graded stone aggregate) as in sub-base, sub-floors, floors, pavings, roof treatment etc., finish cement concrete surface even and smooth without using cement extra cement, complete all as specified and directed.

M&L for providing cement concrete (1:2:4), type B-0, (using 12.5 mm graded aggregate) as in coping /parepet wall/bed plate /Kerb stone etc. with plain fair faces including chamfers, weathering, slightly rounded or chamfered angles and throating, including necessary form work, complete all as specified and directed.

M&L for 75 mm thick plain cement concrete(1:3:6), type C2 (40 mm graded stone aggregate) as in flooring, plinth protection, hard standing, path etc including finish the surface even and smooth with using extra cement, complete all as specified and directed.

M&L for brick work with sub class 'B' bricks , using old size bricks, straight or curved on plan exc 6 m mean radius built in cement mortar (1:4), complete all as specified and directed.

M&L for brick work with flyash bricks , using old size bricks, straight or curved on plan exc 6 m mean radius built in cement mortar (1:6), complete all as specified and directed.

M&L for 15 mm thick rendering in cement mortar (1:6) on stone masonry surfaces or surfaces other than fair faces of brick work, rendering finished even and smooth (without using extra cement), complete all as specified and directed.

M&L for 15 mm thick rendering in cement mortar (1:4) with mixing water proofing compound on stone masonry surfaces or surfaces other than fair faces of brick work, rendering finished even and smooth (without using extra cement), complete all as specified and directed. Note: Water proofing compound will be measured and paid separately

upply only integral water proofing compond, all as specified and as directed.

Use and waste of formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping), rough finished surfaces of concrete on flat surface, complete all as specified and directed.

Use and waste of formwork to sides and soffits of floor or roof beams, beam haunchings, girders, bressummers, lintels, cantilevers, shelves including sup- ports, overhangs, etc. also splays between floors and beams, etc., rough finished surfaces of concrete on flat surface, complete all as specified and directed.

Use and waste of formwork to edges of concrete flats, treads, breaks in floors, window cills, concrete railings, openings in concrete walls, floor and roofs n exc 20 cm wide and sides of RCC / PCC bands in walls, horizontal or sloping and similar work exc 10cm but n exc 20cm wide, rough finished surfaces of concrete on flat surface, complete all as specified and directed.

M&L for reinforced cement concrete M-25 (design mix) using 20 mm graded stone aggregates in beams / band, cantilevers, bressummers, lintels over 1.5m span, complete all as specified and as directed.

M&L for reinforced cement concrete M-25 (design mix) (using 20mm graded stone aggregate) in Slabs supported on walls, beams and columns ub floors, roofs, landings, balconies, canopies, deck slabs and in the shelves and the like, complete all as specified and 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 mild steel wire (annealed) not less than 0.9 mm dia or securing with clips, complete all as specified and directed.

M&L for 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, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, all as specified and as directed.

M&L for mild steel TMT bars 6mm to 8mm dia, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips, complete all as specified and directed.

M&L for prepration of new plastered or unplaster surfaces of wall , applying wall care putty upto 1mm thick as required (Multipurpose mixer shall be used for uniform and proper mixing of putty) and applying two coats of emulsion distemper (white or coloured) by using auto-roller, complete all as specified and directed as per manufacturer's instructions.

M&L for preparation of new plastered or unplastered surface of wall and applying two coats of cement paint over a coat of alkali resistant priming paint, complete all as specified and directed.

S&F of rolled mild steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161- 1979 grade St.-240, complete all as specified and directed.

M&L for preparation of new steel surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer, complete all as specified and directed.

S&F Pre-painted Galvalume Aluminium Zinc coating GI based semi-corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering, fixed with self tapping screws as specified complete all as specified and directed.

S&F Pre-painted Galvalume Aluminium Zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering, fixed with self tapping screws as specified complete all as specified and directed.

S&F of second class hard wood plain, solid, straight chowkats and frames, wrought, framed rebated on the solid, rounded or chamfered, put together with glue pinned at joints, complete all as specified and directed.

M&L for second class hard wood, 35mm thick plain, framed, panelled shutters (any number of panels), with panels of timber flat on both sides (feather edged), or of veneered particle board medium density, wood particle board with commercial face veneers: supplied and fitted to chowkats, complete all as specified and directed.

S&F of 100mm size butt hinges, medium weight, cold rolled mild steel, and fixed, all as specified and directed.

S&F of 300 mm long aluminium alloy, anodised sliding door bolts with haps staple(bolt type), and fixing clips of sheet, cast or extruted sections and fixing bolt and sliding bolts of extruted sections or cast aluminium alloy and fixed, complete all as specified and directed.

S&F of 250mm long aluminium anodised, barrel tower bolts of extruded section and fixed, all as specified and directed.

S&F of 150 mm size aluminium handles, cast type, anodised, all as specified and directed.

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

Supply & fixing for UPVC pipes (Sch-80) 150mm bore complete all as specified and as directed by Engineer-in-Charge

Supply & fixing for UPVC pipes (Sch-80) 100mm bore complete all as specified and as directed by Engineer-in-Charge

M&L for plain cement concrete (1:4:8) bed, type D2, (using 40mm graded stone aggregate) to drain pipes 150mm bore including packing under, and haunching against the sides of pipes after they are laid and tested, complete all as specified and directed.

M&L for plain cement concrete (1:4:8) bed, type D2, (using 40mm graded stone aggregate) to drain pipes 100mm bore including packing under, and haunching against the sides of pipes after they are laid and tested, complete all as specified and directed.

S&F PVC (SWR) gutter drain pipe 180mm bore complete all as specified and directed.

S&F 180mm PVC (SWR) joint socket as in gutter drain pipe complete all as specified and directed.

&F of 180mm bore PVC (SWR) joint tee, complete all as specified and directed.

S&F 180mm PVC (SWR) joint tee with end cap as in gutter drain pipe complete all as specified and directed.

S&F of 110mm PVC (SWR) drain pipe single socketed in any length with rubber ring joints fixed to walls, complete all as specified and directed.

S&F of 110mm bore PVC (SWR) bends any radius, complete all as specified and directed.

S&F of 100mm dia stack clamps out of 50mmx5mm flat iron and 16mm dia round iron stays including bolts and nuts and securing ends of stays to ball or roof all as specified and directed.

S&F of bands, straps, supports or stays for rainwater, ventilating pipes, including bolts, if required: hooks (stay), heavy, for large gates; hook and pintle hinges: large hasps and staples; chains; hand made sliding bolts; clamps; hold fasts; wall ties; hooks for hanging fans; plain angle cleats for securing purlins to wood trusses or rafters; knee piece inserts; two way and three way straps, plate washers and similar small articles conforming to Fe-290 Gde-E-165, complete all as specified and directed.

S&F of framed brackets of angles or tees with web and flanges cut to shape, drilled and countersunk for screw, including bending and welding angles, as necessary, gusset plates, riveting, etc.. n exc 10 kg each brackets, conforming to Fe.290.Gde-E-165 (Brackets over 10 kg each to be measured under 'Structural Steel'), complete all as specified and as directed.

M&L for preparation of new steel surfaces of any description over 10 cm width or girth and applying two coats of synthetic enamel paint over a coat of red oxide, zinc chrome primer, complete all as specified and directed.

M&L for preparation of new plastered or unplastered surfaces of walls and applying two coats of white wash on walls, complete all as specified and directed.

S&F of rotational moulded polyethylene water storage tanks of capacity 5000 litres 3 layer (cylindrical vertical with closed top) hoisted and fixed in position all as specified in SSR Part-l and directed.

Note 1:- (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum / amendments and general condition of contracts before entry / quoting the rates. Note 2:-The contract sum shall be arrived at after deducting amount of schedule of credit from the total quoted amount.

BIMAL BHATTRAI (BID ID -3478391)

TSHERING WANGYAL BHUTIA (BID ID -3477321)

RAI CONSTRUCTION (BID ID -3481391)

JALAPAHAR HARDWARE (BID ID -3479892)

Janata Enterprises (BID ID -3480151)

THUKKEPA & PANGDOK (BID ID -3480731)

GEETA CONSTRUCTION (BID ID -3478446)