provision of operational stores-1 steel roofing trough ( srt ) .steel roofing trough ( srt ) isi marked 8 long made out of 2mm thick. @ 37 kgs each with tolerance -2 to +5%, hot rolled carbon steel sheet conforming to is specification with 16 nos 12mm dia long bolt, machine made ( heavy duty ) complete threaded with one nut and two washers of 30mm outer diameter and 3mm thick, per bolt, per srt. the overall width of srt shall be 613mm and height shall be 180mm. the srt shall be applied with one shop coat of red oxide primer the shape of srt shall be regular and angle of bending shall be maintaned properly. the srt not found properly in shape shall be rejected. make : sail / tata / jindal 2 indian standard medium beam ( ismb ) 200mm x 100mm x 12 feet long isi marked.make:- sail / tata. is specification 808-1989.the weight of ismb should not less than 25.40 kg / rm 3 cgi sheet 10 x 3 x 0.63mm thick with galvanished of 175 grade of zinc coating ( galvanisation as per is-429 ) make : sail / tata ( isi marked ) 4 cement of 43 grade opc conforming to is 8112 / 1989 in sealed bags each weighting 50 kgs. the date of manufacture of cement should not be more than one month prior to the date of delivery. make : acc / ambuja / jk laxmi. for- akhnoor 5 ldpe film as per is 2508-1984 shall contain not less than 2.0% of carbon black of an average particle size 300 micron, 4 fit wide and sufficient adhesive of fixing. make : silpaulin / supreme ( colour og / black ) 6 crushed stone aggregate 20 mm conforming to is 12701-1990. for - akhnoor 7 fine aggregate sand coarse as per is 383- 1970. for – akhnoor 8 concrete block of size 0.30 x 0.20 x 0.15 mtr casted in mix design m15 having minimum compration strength of 121 kg / cm2 conforming to is 2185-2005 9 cement concrete solid bricks of size 9x4.5x3”, grade a quality conforming to is 2185-2005. for - akhnoor 10 hdpe sand bags ( uv proofed ) barrel type double stitched at one end std quality with inside lamination size 840x360mm with suitable tying cord as per is 14252-1995 and weight of each bag not less than 85 gm colour khaki.