tender for providing emergency exit stair case for chemistry lab in old core lab extension and sl-206 c; 1 earth work 2 earth work in excavation by mechanical means (hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. 3 all kinds of soil. 4 filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 and for all lif. 5 cement concrete (cast in situ) 6 providing and laying in position excluding cement concrete of level: specified grade the cost of centering and shuttering - all work up to plinth 7 1:5:10 (1 cement : 5 coarse sand (zone-ill) derived from naturalsources :10gradedstoneaggregate40mm nominal size derived from natural sources) 8 reinforced cement concrete 9 providing and laying in position specified grade of reinforced cement concrete,excludingthecostofcentering,shuttering,finishingand reinforcement - all work up to plinth level : 10 1:1.5:3(1 cement: 1.5 coarse sand (zone-ill) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) 11 centering and shuttering including strutting, propping etc. and removal of form for 12 foundations,footings,basesof columns,etc.formass concrete 13 steelreinforcement forr.c.c.workincludingstraightening,cutting, bending, placing in position and binding all complete upto plinth level. 14 thermo-mechanically treatedbars of gradefe-500d or more. 15 steel work 16 steel work welded in built up sections/ framed work, including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer using structural steel etc. as required. 17 ingratings,frames,guardbar,ladder,railings,brackets, gates and similar works 18 providing and fixing hand rail of approved size by welding etc. to steel ladder railing, balcony railing, staircase railing and similar works, including applying priming coat of approved steel primer. 19 m.s. tube 20 providing and fixing carbon steel galvanised ( minimum coating 5 micron) dash fastener of 10 mm dia double threaded 6.8 grade (yield strength 480 n/mm2), counter sunk head, comprising of 10 mm dia polyamide pa 6 grade sleeve, including drilling of hole in frame , concrete/ masonry, etc. as per direction of engineer-in-charge. 21 10 x 160 mm 22 finishing 23 painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade: 24 two or more coats on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture 25 dismantling and demolishing 26 demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of engineer - in - charge. 27 nominal concrete 1:3:6 or richer mix (including equivalent design mix) 28 nominal concrete 1:4:8 or leaner mix (including equivalent design mix) 29 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. 30 road work 31 cement concrete 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 40 mm nominal size) in pavements, laid to required slope and camber in panels as required including consolidation finishing and tamping complete.