installation of various gi accessories for parking maintenance of vehicles inside premises of malad transport garage under ee(tr)ws swm department- 1 galvanised iron sheet 1 mm (20 b.w.g.) eaves precoated gutter 200 mm to 230 mm wide and 100 mm to 125 mm deep moulded or half round girth upto 600mm (r3-cs-rw-13) 2 providing, hoisting and fixing at all level precast reinforced cement concrete in small lintels not exceeding 1.5m clear span up to all level including the cost of required centering, shuttering and reinforcement, with1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size). (r3-cs-cw-5-b) 3 providing and fixing in position uv resistant, fire retardant, virtually unbreakable and temperature resistant (-40° c to +130° c)polycarbonate corrugated sheet of 2mm thickness for roof of approved make to match the roof profile at any height with g.i. j hooks bolts of g.i. clamps nuts & bolts or with self drilling fastener and epdm washer etc. complete as directed. (r3-cs-rw-08) 4 providing and fixing polycarbonate multiple wall sheet roofing 20mm thick gauge of approved make uv coated of approved make and of approved colour and with aluminium framing for fixing polycarbonate sheet using pressure plates with epdm gasket (compatible to polycarbonate) breather tape, screws and covering the pressure plates complete and making the entire system water tight by using sealant as per architectural drawings and specification.(rate does not include cost of structural steel framing which will be paid seperately) (r3-cs-rw-22) 5 supplying & laying ‘c’ class gi pipe. 100 mm dia.gi pipe. (r3-me-6-7-i) 6 supplying & laying ‘c’ class gi pipe. 50 mm dia.gi pipe. (r3-me-6-7-f) 7 providing and applying first single coat of approved primer and two coats of synthetic enamel paint/flat oil paint of an approved make and colour as per manufacturers specifications to surfaces specified below, at all height and locations as directed includingscaffolding, cleaning and preparing surfaces for painting by any approved means etc. complete as directed by engineer-in-charge for steelwork. (r3-cs-pn-4-c)