Providing, Fixing of 250 LPH capacity RO plant with IRFP and Construction of Platform, Shed for RO Plant near 120 men Jawan barrack of SHQ BSF Siliguri, NBF.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift up to 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift up to 1.5 m.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:2:4 (1 cement : 2 coarse sand(zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in: Cement mortar 1:6 (1 cement : 6 coarse sand)

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in superstructure above plinth level up to floor V level in all shapes and sizes in : Cement mortar 1:6 (1 cement : 6 coarse sand)

Half brick masonry with common burnt clay F.P.S. (non modular) bricksof class designation 7.5 in foundations and plinth in : Cement mortar 1:4 (1 cement : 4 coarse sand)

Providing and fixing Ist quality ceramic glazed wall tiles conforming to IS: 15622 (thickness to be specified by the manufacturer), of approvedmake, in all colours, shades except burgundy, bottle green, black of any size as approved by Engineer-in-Charge, in skirting, risers of steps and dados, over 12 mm thick bed of cement mortar 1:3 (1 cement : 3 coarse sand) and jointing with grey cement slurry @ 3.3kg per sqm, including pointing in white cement mixed with pigment of matching shade complete.

Structural steel work riveted, bolted or welded in built up sections, trusses and framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

Providing and fixing 1mm thick M.S. sheet door with frame of 40x40x6 mm angle iron and 3 mm M.S. gusset plates at the junctions and corners, all necessary fittings complete, including applying a priming coat of approved steel primer. Using M.S. angels 40x40x6 mm for diagonal braces

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete. Hot finished welded type tubes.

Providing and laying Ceramic glazed floor tiles of size 300x300 mm(thickness to be specified by the manufacturer) of 1st quality conforming to IS : 15622 of approved make in colours such as White, Ivory, Grey, Fume Red Brown, laid on 20 mm thick cement mortar 1:4 (1 Cement :4 Coarse sand), jointing with grey cement slurry @ 3.3kg/sqm including pointing the joints with white cement and matching pigment etc.,., complete.

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50 mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm) with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length upto 12 metre or as desired by Engineer-in-charge. The sheet shall be fixed using self drilling /seIf tapping screws of size (5.5x 55 mm) with EPDM seal, complete upto any pitch in horizontal/ vertical or curved surfaces, excluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

12 mm cement plaster of mix :1:6 (1 cement: 6 fine sand)

15 mm cement plaster on the rough side of single or half brick wall of mix :1:6 (1 cement: 6 fine sand)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work.

Finishing walls with Premium Acrylic Smooth exterior paint with Silicone additives of required shade New work (Two or more coats applied @ 1.43 ltr/10 sqm over and including priming coat of exterior primer applied @ 0.90 litre/10 sqm)

Providing and fixing G.I. chain link fabric fencing of required width in mesh size 50x50 mm including strengthening with 2 mm dia wire or nuts, bolts and washers as required complete as per the direction of Engineer-in-charge. Made of G.I. wire of dia 4 mm

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge. : Internal work - Exposed on wall 25 mm nominal outer dia .Pipes.

Providing and fixing PTMT bib cock of approved quality and colour.15 mm nominal bore, 165 mm long, weighing not less than 110 gms

Providing and fixing of 250 LPH RO Plant with 2 No. of FRP Filter Vessel (Size 13"/54") make Tata With 20±05 NB Multiport Valve 02 Nos Make (Initiative/flow tech/Innox), Product Description - 01 no Filter set up - SS frame For Vessel & Ro assemly both, High Pressure Pump 01 No. (Make CRI /Lubi), 01 No Feed Pump of 0.50 HP (Make Cri/Inotech/Kirlosker), 01 No. 40/40 Membrane Make (Aqua/ Bluesafe gold/Vontron/Filmtech), 01 no. Membrane Housing SS /FRP, 01 No.UV Set (250 LPH) Make Alpha, 02 No.of Jumbo Candel Housing Blue safe, Flow Meter 02 Nos (600 LPH), Pressure Meter 01 (make Flow Tech ), Auto Cut 01 Nos ,Water Storage tank 500 ltr with all connection like Ball valve & Tank Nipple etc White colour Make 4 Layer/syntex/Supreme/ Vectus with Pipe & Pipe Fittings complete set for Filter Make Finolex/SS/Prince/Supreme & Electrical Wiring full and Including Electric Pannel Make L&T/ Havells/Anchor supply Fitments as Per ground requirement Make Supreme, Copper Alkaline Cartage 01, Raw water Storage Tank 1000 Ltr Etc all as per Direction of Engineer Incharge.

Providing and Supplying Water Testing Report fron ISI Certified Lab as applicable Parameters as per direction of Engineer-in-Charge.