Construction of Roof Shed along with Other Allied Works at Administrative Building of WRIDD near Hatipukur at Mouza Banamalipur JL No 80 Plot No 727 Block Barasat I under Barasat AI Division under Core Sector Program for the Financial Year 2025 26

Dismantling R.C. floor, roof, beams etc. Including cutting rods and removing rubbish as directed within a lead of 75 m. including stacking of steel bars. In Fourth floor including roof.

Brick work with 1st class bricks in cement mortar (6:1). Upto 4th Floor :-

Cutting holes and subsequent mending good damages. Diameter upto 150 mm. In concrete work (plain or R.C.) [Cement- 3.0 Kg/Mtr]

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

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) . 25 mm to 30 mm thick wooden shuttering as per decision & direction of Engineer-In-Charge. In 4th floor:-

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups,binders 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 inter-section, complete as per drawing and direction. For works in foundation, basement and upto roof of ground floor / upto 4m. Tor steel/Mild steel (Other than SAIL/ TATA/RINL) . In 4th floor:-

Welding in M.S. structural work with gas or electric: Continuous weld.

M.S. structural works with hollow sections (square or rectangular shape) conforming to IS: 806-1968 & IS:1161-1998) connected to one another with bracket, gusset, cleat as per design, drawing & direction of Engineer-in-Charge complete including cutting to requisite shape & size, fabrication including metal arc welding conforming to IS: 816-1969 & IS: 9595 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting anderection all complete. The rate includes the cost of all M.S. Hollow section, all consumables such as electrodes, gas and hire charges of all tools and plants and labour reqired for execution and all incidental chages (such as electricity, labour insurance) etc. complete. For trusses span upto 12.00 m

Holding down bolt with nut including 100 x 100 x 6 mm plate washer at bottom fitted complete and packing the hole with cement concrete or cement grout as directed. 20 mm dia bolt. 450 mm long.

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).(i) In Roof :- a) With 0.5 mm thick sheet

Galvanised iron sheet ridging fitted with necessary bolts, screws, washers etc complete.(225mm end lapping) . 450 mm lapping each way. With 0.63 mm sheet

Galvanised iron sheet eaves gutter fitted and fixed with necessary 50 mm X 6 mm M.S flat bar clamps bent to design, bolts, nuts, washers etc. complete. Eaves gutter made of 0.63 mm. sheets.(300mm End lapping). 225 mm. wide gutter

Galvanised or painted wind-tie made of M.S. flats, fitted and fixed complete including cost of necessary fittings. Made with 40 mm. X 6 mm. Flats

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.

Plaster (to wall, floor, ceiling etc.) with sand and cement mortar including rounding off or chamfering corners as directed and raking out joints including throating, nosing and drip course, scaffolding/staging where necessary. [Excluding cost of chipping over concrete surface] a) 15 mm thick with (1:6) cement mortar :-

b) 10 mm thick with (1:4) cement mortar :-

Supplying and laying true to line and level 20 mm / 25 mm. thick precast roof tiles made of cement conc. with stone chips as per approved strength and density set in 25mm avg. thick cement morter(1:3) and filling up joint (3 mm wide) with cement sand mortar (1:1) applying cement slurry @ 1.75 kg per Sq.m back of tiles and then settting close the precast tiles, finishing up the joints with slurry already laid and finally finishing the top surface including providing 150 mm. high skirting with the same tiles flushed with the inside surface of parapet wall,finishing the mouth of rain water pipes, curving etc. as necessary complete as per direction of the Engineer-in-charge. (Levelling if necessary may be paid separately) For 25 mm. thick precast tiles (cement 14.6 kg/ Sq.m for underlayer) In 4th Floor :-

Supplying, fitting & fixing UPVC pipes A- Type and fittings conforming to IS:13592-1992 with all necessary clamps nails, including making holes in walls, floor etc. cutting trenches in any soil through masonry concrete structures etc if necessary and mending good damages including joining with jointing materails (Spun Yarn, Valamoid/Bitumen/M-Seal etc) complete. A) UPVC Pipes:110 mm. Dia.

B) Shoe (110 mm dia)

Priming one coat on timber or plastered 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. On timber or plastered surface. With other than hi-gloss of approved quality. Two coats (with any shade except white)

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

(b) On steel or other metal surface :With other than hi-gloss of approved quality. Two coats (with any shade except white).

SUB TOTAL

Add GST @ 18% on total

Add CESS @ 1% on Sub Total including GST

GROSS AMOUNT

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