Construction of Retaining wall behind C-20 block at North campus of IIT Mandi, H.P.

Amount

Earth work in excavation by mechanical means (Hydraulic excavator)/manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth in all lead and lift, All kinds of soil as per entire satisfaction and direction of Engineer-in-charge.

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 : 2 coarse sand (zone-III) : 4 graded stone aggregate 40 mm nominal size) as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all lead and lift.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:4:8 (1 Cement : 4 coarse sand (zone-III) : 8 graded stone aggregate 40 mm nominal size) as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all lead and lift.

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): 3 graded stone aggregate 20 mm nominal size) as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all lead and lift.

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete above plinth level. Thermo-Mechanically Treated bars of grade Fe-500D or more as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all lead and lift.

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm mesh (woven diagonally) incuding 10% extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications clause 1301 as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all lead and lift.

Centering and shuttering including strutting, propping etc. and removal of form work for : Retaining walls, return walls, walls (any thickness) including attached pilasters, buttresses, plinth and string courses fillets, kerbs and steps etc. as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all lead and lift.

Providing and fixing on wall face 100 mm diameter unplasticised rigid PVC pipes conforming to IS:13592 Type A for weep hole in retaining wall and toe wall etc. as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all lead and lift.

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 110 mm diameter as per entire satisfaction and direction of Engineer-in-charge including carriage of material in all lead and lift.

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