Repairing of RO Water Purifiers of 500 Ltr hours capacity at BOP Maluapara and BOP Tungi of 32 Bn BSF under SHQ BSF Krishnanagar

Amount

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth, lead up to 50m and lift up to 1.5m,as directed by Engineer-in-Charge. All kinds of soil

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)

Centering and shuttering including strutting, propping etc. and removal of form for : Foundations, footings, bases of columns, etc. for mass concrete

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more.

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level :1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Centering and shuttering including strutting, propping etc. and removal of form for Columns, Pillars, Piers, Abutments, Posts and Struts

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, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil.

Providing and laying in position cement concrete of specified grade excluding the cost of centring and shuttering : All work upto plinth level 1:2:4 (1 Cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 40 mm nominal size derived from natural sources)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fllets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement:1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

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 for all lift

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).

Half brick masonry 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.Cement mortar 1:4 (1 cement :4 coarse sand)

Supplying and filling in plinth with sand under floors, including watering, ramming, consolidating and dressing complete.

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

12 mm cement plaster finished with a floating coat of neat cement of mix :1:4 (1 cement: 4 fine sand)

Providing and fixing mild steel round holding down bolts with nuts and washer plates complete.

Structural steel work in single section, fixed with or without connecting plate, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer all complete.

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 fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugation as approved by Engineer-in-Charge) of total coated thickness 0.50mm (base metal of minimum 0.45mm 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 /self 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.

Providing and fixing precoated galvanised steel sheet roofing accessories of total coated thickness 0.50mm (base metal of minimum 0.45mm 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 using self drilling/ self tapping screws cmplete:Ridges plain (500 - 600mm)

Providing and laying vitrified floor tiles in different sizes (thickness to be specified by the manufacturer) with water absorption less than 0.08%and conforming to IS : 15622 , of approved make, in all colours and shades, laid on 20mm thick cement mortar 1:4 (1 cement : 4 coarse sand) jointing with grey cement slurry @ 3.3kg/sqm including grouting the joints with white cement and matching pigments etc., complete. Size of Tile 600x600 mm

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer, of required shade and colour all complete:New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 pram/litre

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

Reverse Osmosis Membrane 40X40:-Membrane Element, Diameter of Membrane-4", Length of Membrane-1Mtr.System Recovery:-50-70%.Make:-Hydraunotics/ DOW/T.S/Solania/KYNREME/qvt. as required and directed by engineer in charge.

Providing and fixing Multi Port Valve 25NB as required and directed by engineer in charge.

Repairing High Pr Pump (MOC- Stainless Steel, Vertical, Multistage, 1.5KW/1HP/2HP,230V, Single Phase,50Hz,Make-Sumo.Nanfang/CRI/Kirloskar/LEO/Eqvt.) with Replacement of damaged Impellors, Replacement of Bearings, Bushes,Shaft and Rewinding of the Motor with replacement of the seal as required and directed by engineer in charge.

Providing and fixing Membrane Housing 40x40 (FRP) as required and directed by engineer in charge

Providing and fixing FRP Vessel 13x54 as required and directed by engineer in charge.

Providing and filling Filter Media Activited Sand & Gravels of assorted Size in FRP vessels as required and directed by engineer in charge.

Providing and filling Activated Carbon in FRP vessels as required and directed by engineer in charge

Providing and filling Anthrasite in FRP vessels as required and directed by engineer in charge.

Providing and filling Iron Removal Medina KmnO4+ MnSO4 in FRP vessels as required and directed by engineer in charge.

Providing and applying Membrane Cleaning Solution as required and directed by engineer in charge

Providing and fixing Pressure Gauge meter as required and directed by engineer in charge.

Providing and fixing Flow Meter1200Ltr as required and directed by engineer in charge.

Providing and fixing UF Filter as required and directed by engineer in charge

Providing and fixing Micron Candle(Big Blue) as required and directed by engineer in charge.

Providing and fixing 1/4 Pipe with TDS ADJ as required and directed by engineer in charge.

Providing and fixing Repairing Charge for Antiselent as required and directed by engineer in charge.

Providing and filling Dosing pump as required and directed by engineer in charge.

ATZ SSS CORP (REGD) (BID ID -3220046)

MALAKAR CONSTRUCTION (BID ID -3220102)