Drivage of 2 Reverse Inclines from surface to seam IA at a gradient of 1 in 4.5,including Open Excavation and RCC Boxing upto about 130 m length each, including 6 No Interconnection Galleries between 2 Inclines at Tawa-III UG Project, Pathakhera Area

Amount

Part A: Open excavation and construction of 2 RCC box inclines including re-filling at Tawa-III UG project of Pathakhera Area.

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 up to 1 km (by mechanical transport) and all lifts, as directed by Engineer-in-charge. All kinds of soil

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 up to 1 km (by mechanical transport) and all lifts, as directed by Engineer-in-charge. Ordinary rock.

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 up to 1 km (by mechanical transport) and all lifts, as directed by Engineer-in-charge. Hard rock (requiring blasting).

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:3:6 (1 Cement : 3 coarse sand (zone-III) derived from natural sources: 6 graded stone aggregate 40 mm nominal size derived from natural sources).

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using coarse aggregate as well as fine aggregate derived from natural sources and cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. (Note:- Cement content considered in this item is @ 330 kg/cum. Excess/ less cement used as per design mix is payable/recoverable separately). All works upto plinth level .

Providing and laying in position machine batched and machine mixed design mix M-25 grade cement concrete for reinforced cement concrete work, using coarse aggregate as well as fine aggregate derived from natural sources and cement content as per approved design mix, including pumping of concrete to site of laying but excluding the cost of centering, shuttering, finishing and reinforcement, including admixtures in recommended proportions as per IS: 9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer-in-charge. (Note:- Cement content considered in this item is @ 330 kg/cum. Excess/ less cement used as per design mix is payable/recoverable separately). All works above plinth level upto floor V level.

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

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: Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

Centering and shuttering including strutting, propping etc. and removal of form for: Suspended floors, roofs, landings, balconies and access platform.

Centering and shuttering including strutting, propping etc. and removal of form for: Edges of slabs and breaks in floors and walls. Above 20 cm wide.

Providing & fixing unplasticised rigid PVC rain water pipes conforming to IS:13592 type A, (i) Single socketed pipes. 75 mm diameter.

Filling dry boulder of size 100 mm to 200 mm in sides of walls, slope of upper part of the filling to be upto 45 degree (as directed), including all leads & lifts, as per instructions of engineer-in-charge.

Filling available excavated earth in trenches, plinth, sides of foundations etc. in layers, consolidating each deposited layer by ramming and watering, lead up to 1 km (by mechanical transport) and all lifts, as directed by Engineer-In-Charge.

White washing with lime to give an even shade : New work (three or more coats)

Part B: Drivage of 02 (Two) Nos of Incline Shaft in all kinds of strata including 6 Nos of interconnections at Tawa III UG Mine, Pathakhera Area.

Drilling, blasting and mucking by compressed air drill inclusive of cost of all materials and labour. The item includes loading of blasted material (stone) with SDL and its transportation to the surface through belt conveyor for the drivage of drift size of(Plan length-1269.890m* 5.50mtr width*3.585 mtr height)

Drilling, blasting and mucking by compressed air drill in stone interconnection inclusive of cost of all materials and labour. The item includes loading of blasted material(stone) with SDL and its transportation to the surface through belt conveyor for the drivage of drift size of(118.5 length*4.8m width*3.5m height=1990.800Cum) in stone

Drilling, blasting and mucking by compressed air drill in coal inclusive of cost of all materials and labour. The item includes loading of blasted material with SDL and its transportation to the surface through belt conveyor.

Drilling, blasting and mucking by compressed air drill in stone inclusive of cost of all materials and labour. The item includes loading of blasted material with SDL and its transportation to the surface through belt conveyor for development of SUMP(5 nos) size-10m*4m*2.5m.

Drilling, blasting and mucking by compressed air drill in coal which will be intervened during drifting & interconnection inclusive of cost of all materials and labour. The item includes loading of blasted material with SDL and its transportation to the surface through belt conveyor.

Transportation of blasted material(stone) from surface within 0.5Km lead including loading, unloading and stacking at low lying places by tipper as per direction of Engineer in charge.

Transportation of blasted material(coal) from surface within 0.5Km lead including loading, unloading and stacking at coal stock yard by tipper as per direction of Engineer in charge.

Drilling of holes of 32 mm dia and 1.50 mtr depth in roof for roof support and fixing of 22 mm dia roof bolt 1.65 mtr long with w-strap with rasin grout by hydraulic roof bolter will be arranged by the agency at his own cost. The measurement will be made in Nos. (for each completed roof bolt) which will include cost of all material and labour.

Cutting manhole in side wall at every 10 mtr interval (Making recess in side) of 0.75 mtr width, 1.20 mtr depth and 1.80 mtr height including chisel dressing inclusive of cost of labour T & P etc,

Cutting of drain in all kinds of strata including hard rock for a sectional area as directed by Engineer in charge.

Providing and fixing RS joist ISMB 200 support for inclined roof including carriage of joists from surface to the place of fixing, making grooves of size 300 mm X 300 mm X 300 mm at one and the other end, erecting the joist in position and concreting the ends with cement concrete of grade 1:2:4 (1 cement, 2 sand, 4 graded stone aggregate of 20 mm and down gauge). The measurement will be done in Nos. for each girder support inclusive of all materials & labour etc, complete. (as and when required)

Providing and laying in position cement concrete of Grade 1:2:4 (1 cement, 2 sand, 4 graded stone aggregate of 20 mm and down gauge) excluding the cost of centering, shuttering, finshing and reinforcement etc, complete for construction of drain.

Centering and shuttering including trutting, propping etc. and removal of form work for foundations, footings, bases for columns for drain (1337.37 x0.5) x 2 side

Total impact of GST for the purpose of CTC