Kolkata Metropolitan Development Authority Tender

Cleaning the exposed reinforcement preferably upto full diameter by wire brush, applying two coats of polymer based rust removing compound left for 24 hours, removing the coating and then applying two coats of polymer modified anti corrosive protective coating formulated to inhibit the corrosion of reinforcement as per manufacturer's specification]

125 mm. thick brick work with 1st class bricks in cement mortar (1:4)

M.S.or W.I. Ornamental grill of approved design joints continuously welded with M.S, W.I. Flats and bars of windows, railing etc. fitted and fixed with necessary screws and lugs in ground floor. Grill weighing above 10 Kg./sq.mtr and up to 16 Kg./sq. mtr

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor)When the height of a particular floor is more than 4 m the equivalent floor height shall be taken as 4 m and extra for works beyond the initial 4 m ht. shall be allowed under 12 (e) for every 4 m or part thereof) a) 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. i) In foundation ii) In 1st floor

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1956 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 1957, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. (I) For structural members of specified sections weighing less than 22.5 Kg./m

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, bindees etc.including supply of rods, initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (a) For works in foundation, basement and upto roof of ground floor/upto 4 m a) Tor steel/Mild Steel i) SAIL / TATA / RIN ) In ground floor

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mmbnominal size) excluding shuttering and reinforcement if any, in ground floorbas per relevant IS codes. (i) Pakur Variety at ground floor

Applying 2 coats of bonding agent with synthetic multi functional rubber emulsion having adhesive and water proofing properties by mixing with water in proportion (1 bonding agent : 4 water : 6cement) as per Manufacturer's specification

Cement concrete (1:1.5:3) with graded stone chips 5.6 mm size with hexagonal square mesh wire netting, I.R.C. fabric mesh or X.P.M. fitted and fixed after tying the existing reinforcement on concrete without distributing the same and with proper scarping and cleaning the reinforcement and disturbed concrete with wire brush etc. after applying a coat of cement including the cost of wire netting I.R.C or X.P.M. & cost of all handling and scaffolding complete as per direction of Engineer-in charge, a) 37.5mm thick

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints or roughening of concrete surface including nosing and noising & drip course, where necessary Ground floor including scaffolding. (i) With 1:4cement mortar (a) 15 mm thick plaster

a) 10 mm thick plaster

Artificial stone in floor, dado, stair case etc. with cement concrete (4:2:1) with stone chips laid in panels as directed with topping made with ordinary or white cement (as necessary) and marble dust in proportion(1:2) including smooth finishing and rounding off corners including racking out joints or roughening of concrete surface and application of cement slurry before flooring works using cement @ 1.75 kg/sqm al complete including all materials and labour .3 mm thick topping (High polishing grinding on this item is not permitted with ordinary cement) using grey cement i)25 mm thick

Supplying, fitting & fixing Zn-Al alloy (55% Al & 45% Zn) coating of 150 grams per sq. metre (followed by colour coated on both side) steel sheet work having minimum yield strength of 550 Mpa of trapizoidal profile of approved make (excluding the supporting frame work) fitted and fixed with 55 mm & 25 mm self tapping screw, EPDM Washer 16 mm dia & 3 mm th. washer etc. complete with 150 mm end lap and one corrugation minimum side lap. (Payment to be made on area of finished work)

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary : (Two coat)

White washing including cleaning and smoothening surface thoroughly. (b) Two coat

Add GST @ 18% on Total amount over item No. 1 to 18

Add Labour Welfare Cess @ 1% on Total amount over item No. 1 to 19