Construction of SPT structure at BOP toklong 8th Bn SSB Khaprail under Frontier Siliguri

Civil Works

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas( exceeding 30 cm in depth, 1.5m in width as well as 10 Sqm on plan) including getting out and disposal of excavated earth leasd upto 50m and for all lift,as directed by Engineer-in-charge. All kind of soil.

Filling available excvated earth (excluding rock) in trenchs ,path,sides of foundations etc

Supplying and filling in plinth with sand under floors, including watering ramming, consolidating and dressing complete.

Excavating, suppling, stacking and filling of local erth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in fondation, trenches, plinth, sides of foundation etc. complete for all lift.

providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:2:4(1 Cement: 2Coarsesand(Zone-III) derived fron natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying in position cement corcrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level: 1:4:8 (1 Cement:4 Coarse sand (Zone-III) derived from natural sources : 8 graded stone aggrigate 40 mm normal soze derived from natural sources )

Making plinth protection 50mm thick of cement concrete 1:3:6(1Cement:3 Coarse sand (Zone-III) deriver from natural sources:6 graded stone aggregate 20 mm nominal size derived from natural sources) over 75 mm thick bed of dry brick ballast 40 mm nominal size,well rammed and consolidated and grouted with fine sand, including necessary excavation , levelling & dressing & finishing the top smooth.

Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering finishing and reinforcement. All work up to plinth level 1:1:5:3(1 Cement : 1.5 Coarse sand (Zone-III) serived from natural source :3 graded stone aggregate 20 mm nominal size de rived from natural sources)

Reinforced cement concrete work in walls (any thickness) including attached pilasters, buttresses, plinth and string courses, fllets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement: 1:.5:3(1cement:1:5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources) (1cement:1:5 coarse sand (zone-III) for natural sources)