Preparation of Garland Drain along Mine Boundary 1000 Mtrs Cleaning of Existing Drain 4250 Mtrs of Rohini Mines and Provision of 03 Nos. culvert with Hume Pipe in 3 different places of Mines area of Rohini Project under Rohini Project NK Area

PART-A ( Preparation of Garland Drain along mine Boundary (1000mts) of Rohini Mines) 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 lead upto 50 m and for all lift, as directed by Engineer-in-charge.All kinds of soil.

PART-B (Cleaning of existing Drain (4250.00 mts) of Rohini Mines) 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 lead upto 50 m and for all lift, as directed by Engineer-in-charge.All kinds of soil.

PART-C- (Provision of 3nos culvert with Hume pipe in 3 different places of mines area of Rohini Project) 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, for all lift, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m.All kinds of soil.

Extra for every additional lif of 1.5 m or part thereof in excavation / banking excavated or stacked materials.All kinds of soil.

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 (zone-Ill) derived from natural sources: 8 graded stone aggregate 40 mm nominal size derived from natural sources).

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in:Cement mortar 1:6(1 cement :6 coarse sand).

12 mm cement plaster finished with a floating coat of neat cement of mix:1:4(1 cement: 4 fine sand).

Providing and laying Non Pressure NP-4 class (Heavy duty) R.C.C. pipes including collars/spigot jointed with stiff mixture of cement mortar in the proportion of 1:2 (1 cement : 2 fine sand) including testing of joints etc. complete. 1200 mm dia RCC pipes. (Laying by manual/ machanical means).

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.