Renovation of semi-permanent shed for storing coconuts at ICAR-IISR, Kozhikode

15.28 Dismantling roofing including ridges, hips, valleys and gutters etc., and stacking the material within 50 metres lead of: 15.28.1 Roof Sheet

15.60 Disposal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved.

Cleaning and preparation of GI pipe surface by scrapping, wire brushing and sand papering to remove rust, scale , oil, grease and old paint, followed by applying one coats of synthetic enamel paint of approved colour and shade, complete as directed.

13.43 Applying one coat of water thinnable cement primer of approved brand and manufacture on wall surface :13.43.1 Water thinnable cement primer

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade :13.99.1 One or more coats on old work

Steel work in built up tubular (round, square or rectangular hollow tubes etc. ) trusses etc including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete Hot finished welded type tubes

Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch of corrugations as approved by engineer in charge ) of total coated thickness 0.50mm (base metal of minimum 0.45 mm thickness with total coating thickness of 0.05mm ) with zinc coating 120 gram per sqm as per IS 277 , in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester and polyester top coat 15-18 microns. Sheet should have protective guard film of 25 microns minimum to avoid scratches during transportation and should be supplied in single length up to 12m or as directed by engineer in charge. The sheet shall be fixed using self drilling / self tapping screws of size (5.5 x 55 mm ) with EPDM seal, complete up to any pitch in horizontal/ vertical or curved surfaces, erxcluding the cost of purlins, rafters and trusses and including cutting to size and shape wherever required.

12.51 Providing and fixing precoated galvanised steel sheet roofing accessories 0.50 mm (+0.05 %) total coated thickness, Zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side of the sheet and polyester top coat 15-18 microns using self drilling/ self tapping screws complete :12.51.1 Ridges plain (500 - 600mm).

Providing and fixing MS sheet door of size 1m x 0.8m with 40 x 40 x 6mm angle frame and necessary steel supports, complete with fittings, welding, primer and painting