Construction Of Office Building Of Irrigation Sub Division Gairsain,District Chamoli Uttarakhand

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, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Diluting and injecting chemical emulsion (Chlorpyriphos /Lindane E.C. 20% with 1% concentration), at the rate of one litre per hole at 300 mm c/c to all the horizontal and vertical surfaces of the excavations made for the foundation of the building, soil under floors, apron, back fill material and along all the faces of the walls for PRECONSTRUCTIO NAL anti-termite treatment (including the cost of chemical emulsion) as per IS:6313 Part-II. (Plinth area of Building shall be measured for Payment).

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 lift.

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

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level 1:4:8 (1 Cement : 4 coarse sand : 8 graded stone aggregate 40 mm nominal size).

Providing and laying damp-proof course 40 mm thick with cement concrete 1 :2:4 (1 cement: 2 coarse sand (zone-Ill) derived from natural sources : 4 graded stone aggregate 12.5 mm nominal size derived from natural sources)

Making plinth protection 50 mm thick of cement concrete 1 :3:6(1 cement : 3 coarse sand (zone-Ill) derived 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 - A l l work up to plinth level :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)

Reinforced cement concrete work in walls (any thickness), including attached pilasters, buttresses, plinth and string courses, fillets, columns, pillars, piers, abutments, posts and struts etc. above plinth level up to floor five level, excluding cost of centering, shuttering, finishing and reinforcement :1:1.5:3 (1 cement : 1.5 coarse sand(zone-III) : 3 graded stone aggregate 20 mm nominal size)

Reinforcement for R.C.C work including straighting, cutting, bending ,placing in position and bending all complete Thermo-Mechanically Treated bars.