Tarakeswar Development Authority Tender

Suppling, fitting and fixing single skin color coated trapezoidal, Roof shall be made of 0.45mm BMT (Basa Metal Thickness) (0.50mmTCT( Total coated thickness excluding Paint). G550 ( min 550 yield strength ), of Zincalume metallic coating (ISI5965) with high Solar Reflectance Index (SRI) value for better colling as per thermatch technol,ogy. 1000-1015mm effective cover width with five major corrugation ,28 mm high rib spaced at 203mm c/c with subtle square fluting in the pan and the end rib shall have anti-capillary groove and retu7rn leg. the steelsheet shall be fastened with 40 micron zinc coated or 25 micron zinc-tin alloy coated, hex head . self - drilling screw as per IS 3566-2002 Class 3 fastener. The base steel sheet be coated with zinc-aluminium alloy Zincalume (AZ150)(i.e. 55%AI, 42.4% Zinc, 1.6%Si) minimum of 150g%m2coating total on both sides, pre-painted with colorbond XRW (xterior roofing, walling) paint system of 35 micron Super Durable Polyester paint (SDP) with stable inorganic pigment with no lead contents confirming ISI5965. The sheet shall be free from defects and have brand marking of the manufacturer giving product details on the back of the sheet at regular interval confirming genuinity of the material. a) With 0.5 mm thick sheet

A. Exposed False-ceiling Work -- (f) Supplying ,fitting & fixing Eco-friendly, Humidity Resistant and Incombustable Light Weight Calcium Silicate board/tiles (Density 900 Kg per Cu.m.& Sound absorption NRC - 0.1 to 0.75) Conforming to BS 476 (Part IV, VI & VII) of approved design and brand placed in the grid module of size 600mm X 600mm toform a false ceiling, all complete as per drawing & direction of Engineer - in- Charge.False ceiling with False ceiling with15mm X 10mm Densified tegular edged Light weight Calcium Silicate tiles

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 : On steel or other metal surface : With super gloss (hi-gloss) - (iv) Two coats (with any shade except white)

Add GST @ 12%

Add Labour Welfare Cess @ 1%