Tender For Canopy Mangalore Sa, Mangalore-Karnataka

Tender For Canopy Mangalore Sa--Supplying, transporting, fabricating, erecting in position in position of Pre- fabricated steel structures at all elevations for Canopy using structural steel sections ISMB/ISMC/ISA conforming to IS:2062 and IS 226 , including cutting, welding or bolting, supply of bolts/nuts/washers etc., complete as per drawings including surface preparation and applying one coat of Zinc Phosphate Primer before erection, one coat after erection and two coats of synthetic enamel paint as per specification after erection and all materials and labour complete. ( No welding is permitted at site). The rate quoted shall include cost of bolts, nuts, washers, welding and electrodes and any other consumables required for completing the work. Nut bolts shall not be considered for payment.Theoretical wight of steel sections shall be considered for payment..(.(No measurement shall be taken for nut,bolt,washer splice plate & gusset plate), Supply and fixing Clippon Roofing System:Roofing base material should be of cold rolled steel of 0.55 mm thick and conform to ASTM:A 446 having yield stress of 275 MPA . The coating should be Aluminum and Zinc alloy comprising 55% Al , 43.5 Zinc & 1.5 % Silicon , as per ASTM :A 792 . The coating mass should not be less than 150 Gms per SqM (total of both sides). For, bare galvalume, TCT should not be less than 0.55 mm . Sheets shall have approved side laps with top sheets facing away from the prevailing weather. Necessary profiled filler box should be provided at higher level of roof sheeting and at valley gutter to ensure water tightness in the profiled gaps . The fixing of roofing shall be done in such a manner that the roof is not drilled / punctured for fixing with the purlins .Refer to the approved makes given in the Attachment. Flashings, Cappings and trims:These shall be formed out of same substrates as that of the roofing sheets and shall be supplied in standard lengths of 2.5 M in the required shapes and girths and fixed by means of hex-head mechanically galvanized stitching screws. Silicon sealant non-hardening neutral cure type shall be applied at all laps to avoid water seepage, Supplying and fixing 20 SWG GI sheet facia including painting with one coat of zinc chromate primer and two coats of 1 st quality synthetic enamel paint on front side . Necessary facia framework for fastening the sheet to the canopy securely shall be paid separately., CANOPY FACIA AS PER RVI DESIGN PAINTING WITH TWO COATS OF SYNTHETIC PAINT OVER A COAT OF ROZC AS PER STANDARDS INCLUDING SCARPING EXISTING PAINT, CLEANING THE SURFACE THOROUGHLY ETC, Providing and fixing 2 mm thick Aluminum Sheet Gutters of required shape in slope with 40 mm x 3 mm MS. Brackets at 1000 mm maximum spacing and 8 mm dia G.I. J or L hooks, boltsand nuts, GI Limpet and bitumen washers, providing nut bolt joint , sealing the joints with silicon sealant testing the gutter for leakage by filling water etc. Complete.(Refer attached Drawing .For allowable tolerance refer to IS codes

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