Constructing R.C.C. Bandhara SALDURE

SUB ESTIMATE NO- 1: R.C.C.Bandhara

Item no 1 :- Clearing and grubbing road land including uprooting rank vegetation, grass, bushes,shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier anddisposal of unserviceable materials and stacking of serviceable material to be used orauctioned up to a lead of 1000 metres including removal and disposal of top organic soilnot exceeding 150 mm in thickness.

Item No. 2 - Excavation in soft rock without blasting including boulders up to 0.6 m diameter (0.113 cum) for canal, seating of embankment, filter drain / catch water drains etc., and placing the excavated soft rock neatly in dump area or for formation of service road including cost of all materials, machinery, labour, dressing bed & sides to required level and profile etc. complete with leads as below and all lifts as directed.

Item No. 3 - Excavation in hard rock of all toughness by blasting including boulders above 0.6 m dia.(0.113Cum) minimizing damage to side slopes of excavation in water prism area by adopting any one or combination of line drilling /pre-splitting /smooth blasting techniques and placing the excavated rock neatly in approved dump area including cost of all materials, machinery, labour, leveling bed etc., complete with leads as below and all lifts as directed.

Item No. 5 -Providing and fixing achor bar of 25mm diamete 3.375 m length with resin bond cement capsule achorage through adit/itself including drilling holes, inserting grout capsule driving achor, cost of all materials, machinery labour ventilation lighting , drainage and other ancilllary operations etc. complet with all lifts as directed.

Item No. 6 - Providing and laying in situ cement concrete of grade M-15 of trap / granite/gneiss/quartzite/graded metal for foundation and bedding with Batching Plant and Transit Mixer including placing, compacting, curing etc. complete with all lifts as directed.

Item 7 - Providing and laying in situ cement concrete of grade M-20 of trap granite/gneiss/ quartzite/ graded metal for RCC works of gallery, sluice, spillway crest, spillway downstream face, energy dissipating structures, intake structures, training walls, piers, abutments, slab etc. with Batching Plant and Transit mixer including centering, shuttering, scaffolding, placing, compacting,curing etc. complete with all lifts etc. complete as directed.

Item No. 8 - Providing and fixing M.S.Chequred plate flooring of following thickness supported on M.S.Angle (25x25x5m size) inlcuding welding cutting and fabricating the plaste to the required square or rounding shape, etc.complete

Item No. 9 :-Dewatering by pumping out water collected with 10 to 19 HP Diesel & Electrical pumps including cost of all materials, machinery, labour, providing sump and all other ancillary operations whenever necessary etc. complete under specific and indispensable circumstances with prior approval from competent authority with authentic evidence of records justifying dewatering etc. complete as directed.

Item No10 :-Providing and fixing in position steel reinforcement of vaious diameters for R.C.C. pile caps,footings, foundation slabs beams, columns staining walls etc. as per detailed drawings designs and schedules including cutting bending hooking and binding with wires etc. completed.