Procurement of Excavation ofDrift on the Right and left Abutment of Dam Portion of Tlawng Hydro-Electric Project near Lungleng village, Distt. Aizawl under North Eastern Investigation Division-II, CWC, Aizawl(Mizoram)

Amount

Excavation of Drift on the Right and Left Abutment of Dam Portion of Tlawng Hydro-Electric Project

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Surface dressing of the ground including removing vegitation and in-equalities not exceedng 15cm deep and disposal of rubbish , lead upto 50m and lift upto 1.5m

Earthwork in excavation by mechanical means( Hydraulic excavator)/ manual means over areas(exceeding 30cm in depth, 1.5m in width as well as 10 sq mtr on plan) including getting out and disposal of excavated earth lead upto 50m and lift upto 1.5m as directed by engineer in charge - Ordinary rock

Centering and shuttering including strutting, propping etc. and removal of form for Foundations, footings, bases of columns, etc. for mass concrete

Centering and shuttering including strutting, propping etc. and removal of form for -Columns, Pillars, Piers, Abutments, Posts and Struts

Centering and shuttering including strutting, propping etc. and removal of form for -Arches, domes, vaults up to 6 m span

Steel reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding all complete upto plinth level. -Thermo-Mechanically Treated bars of grade Fe-500D or more.

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.

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) 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) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources)

Reinforced cement concrete work in arches, archribs, domes, vaults, shells, folded plate and roofs having slope more than 15° up to floor five level, excluding the cost of centering, shuttering, finishing and reinforcement with 1:1.5:3 (1 cement : 1.5 coarse sand (zone-III) derived from natural sources : 3 graded stone aggregate 20 mm nominal size derived from natural sources).

Excavation of drift in different formation with cost of all labour, T&P and POL, excluding cost of explosive materials, wooden/steel supports complete and as per directions of engineer-in-charge. - In Hard Rock formation: up to 30 m length

Excavation of drift in different formation with cost of all labour, T&P and POL, excluding cost of explosive materials, wooden/steel supports complete and as per directions of engineer-in-charge. - In Hard Rock formation:from 30 m to 100 m long

Erection of Wooden Supports in drifts including cost of materials fitting and fixing in position complete with cost of all labour , T&P and transport as per directions of Engineer-in-charge

Carriage of excavated rocks by manual transport including loading and un loading and stacking etc. (20% extra qauntity has been considered for over fallen muck due to natural causes such as geological faults etc.) (For 1st 50meters)

Carriage of excavated rocks by Mechanical Transport up to 1 Km including loading and un loading and stacking etc. (20% extra qauntity has been considered for over fallen muck due to natural causes such as geological faults etc.)

Purchase and supply of explosives for blasting

Small dia explosive

Delay detonators

Electric detonators

Detonating fuse coil

Carriege Charges of Explossive materials