West Bengal Electronics Industry Development Corporation Limited Tender

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

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 and erection 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. Payment to be made on the basis of calculated weight of structural memebrs of MS Holow Section as specified in relevent IS code in finished work. Payment for gusset, bracket, cleat may be made by adding the actual weight of such items with weight of finished structural members. all floors Span up to 12 Mtr roof trusses

Suuply, fitting & fixing single skin colour coated trapezoidal profile for wall cladding, roof shall be made of 0.45 mm BMT (base metal thickness), 0.5 mm TCT (total coated thickness excluding paint, G550 (min 550 yield strength), of Zincalume metallic coating (IS 15965) with high solar reflectance index (SRI) value for better coiling as per thermatech technology, 1000-1500 mm effective cover width with five major corrugation, 28 mm high rib spaced at 203 mm c/c with subtle square flunting in the pan and the end rib shall have anti capillary groove and return leg. The sheet 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 shall be coated with Zinc- aluminium alloy Zincalume (AZ 150), i.e, 55% Al, 43.4% Zinc, 1.6% Si, minimum of 150g/sq cm coating total on both sides, pre painted with colorbond XRW (exterior roofing, walling) paint system of 35 micron super durable polyester paint (SDP) with stable inorganic pigment with no lead contents conforming IS15965. The sheet shall be free from defects and have brand marking of the manufacturer giving product details on the back of the sheets at regular interval confirming genuity of the material complete with 150 mm end lap and one corrugation minimum side lap. (Payment to be madeon area of finished work).