Name of Work:- Proposal for sealing and filling of U/G opening at IX seam old OCP at NAK Colliery under Govindpur Area.
Sl. No.
Item Description
1
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 disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed. Foundation cutting for water seal tank.
2
Supplying and filling in plinth with Jamuna sand under floors, including watering, ramming, consolidating and dressing complete.
3
Providing and laying cement concrete of specified grade excluding the cost of centering and shuttering in all works up to plinth level 1:2:4 (1 cement : 2 fine sand : 4 graded stone aggregates 40 mm nominal size.
4
Brick work with FPS bricks of class designation 50 in f/p using cement mortar 1:6 (1 cement : 6 coarse sand)
5
Brick work with FPS bricks of class designation 50 in S/S using cement mortar 1:6 (1 cement : 6 coarse sand)
6
12 mm cement plaster finished with a floating coat of finished with cement of mix 1:4
7
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 m and lift up to 1.5 m.
8
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