REPAIR OF SEWERAGE SYSTEM AT ALUMINA REFINERY, NALCO DAMANJODI

2.8.1) Earth work in excavation of required width by mechanical means (Hydraulic excavator)/manual means in foundation trenches or drains including getting out and disposal of excavated earth lead upto 50 m as directed by Engineer-in-charge. All kinds of soil

2.8.1 & 2.24.2) Earth work in excavation of required width In or under foul position, including pumping out water as required by mechanical means (Hydraulic excavator)/manual means in foundation trenches or drains including getting out and disposal of excavated earth lead upto 50 m as directed by Engineer-in-charge. All kinds of soil

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

2.25) Back filling with available excavated earth (excluding rocks) in trenches, plinth, sides of foundation etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50 Mtr and lift up-to 1.5 Mtr.

4.1.3) Providing and laying plain cement concrete at all depthsheight in foundations, fillings,non-suspended, suspended floors including tamping, curing etc. but excluding the cost of centering and shuttering etc. as specified or directed in any shape, position, thickness and finishing the top surface rough or smooth etc. all complete. (CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE.) , 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size)

4.1.8) Providing and laying plain cement concrete at all depthsheight in foundations, fillings,non-suspended, suspended floors including tamping, curing etc. but excluding the cost of centering and shuttering etc. as specified or directed in any shape, position, thickness and finishing the top surface rough or smooth etc. all complete. (CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE.) , 1:4:8(1 cement : 4 coarse sand : 8 graded stone aggregate 20 mm nominal size)

5.1.2) Providing & laying Reinforced cement concrete work in upto plinth in all sizes, excluding cost of centering, shuttering, finishing and reinforcement : (CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE.). , 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

5.2.2) Providing & laying Reinforced cement concrete work in above plinth in all sizes, excluding cost of centering, shuttering, finishing and reinforcement : ( CEMENT WILL BE ISSUED FREE OF COST AT NALCO'S STORE). , 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size)

5.9.1) Centering and shuttering Foundations, footings, bases of columns, wallssetc. In all depth, height and sizesfor mass concrete

5.12) Providing precast reinforced cement concrete work in lintels, string courses, bands, copings, bed plates, anchor blocks, plain window sills and the like, drain covers etc. including the cost of required centering, shuttering but excluding cost of reinforcement, with 1:1.5:3 (1 cement: 1.5 coarse sand: 3 graded stone aggregate 20 mm nominal size). (CEMENT SHALL BE ISSUED FREE OF COST AT NALCO'S STORE)