provision of operational stores: job nos : 7061-1 steel roofing trough ( srt ) . steel roofing trough ( srt ) isi marked 10 long made out of 2mm thick. @ 47.89 / kg 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 16 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 12 x 3 x 0.63mm thick with pre-coated, pre-coloured camouflage pattern zinc corrugated coated profiled sheet of 175 grade of zinc coating ( galvanisation as per is-429 ) make : sail / tata ( isi marked ) 4 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 ) 5 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 n 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. 11 rock drill cum braker having shank size 22 x 108mm with the following tech specification incl one drill steel, chisel, fuel can and service bag and cleaning tools for daily operator maintenance. model : rockdrill pionjar 120 portable make : atlas copco / wacker neuson & equivalent n ( a ) tech specifications. n ( a ) impact energy : 22-25 joules n ( b ) blow frequency : not less than 2700bpm. n ( c ) penetration rate w 34 mm drill bit : 200 / 300 mm per min n ( d ) power : 2 kw n ( e ) max drilling depth : not less than 2 m n ( f ) drill rotation speed : not less than 250 rpm n ( g ) engine type : 185cc, single cylinder n ( h ) fuel type : petrol n ( j ) fuel capacity : 1 to 1.2 ltr n ( k ) fuel mix : 2% n ( l ) fuel consumption : 1.3 to 1.5 ltr / hour n ( m ) vibration level 3-axis : 5-8m / second ( breaking ) n ( n ) sound power level : 108 db ( a ) n ( o ) sound pressure level ( iso 11203 ) : 95 db ( a ) n ( b ) spare accessories : one set of following spare accessores will be provided along with each rock drill. n ( a ) drill steel 1200 mm cat part no. 3310101687 ( 01 no ) n ( b ) drill steel 800 mm cat part no. 3310101685 ( 01 no ) n ( c ) pilot drill rod 800 mm cat part no. 3310101663 ( 01 no ) n ( d ) moll point 480 mm cat part no. 3083322900 ( 01 no ) n ( e ) wedge chisel 380mm cat part no. 3083323600 ( 01 no ) n