Re-Construction of Cheeragsshaha Percolation Tank

Item No 1-:Labour charges for removing grass,thorny shurbs,Jungli shurbs,Kubabul and a like grass along and in the drain /canal making the ground clean by shovel and phavaras etc complete,as directed including all leads & lifts with contractors own material.

Item No 1A-:Cutting down trees including cutting trunks & branches and stacking thematerial with all lift including uprooting and refilling the pit with material etc. complete as directed. (excluding extra material required for refilling)

Item No 2-:Excavation in Soft Strata including boulders up to 0.6 m diameter (0.113cum) for canal, seating of embankment, filter drains / catch water drains etc., and placing the excavated stuff neatly in dump area or for formation of service road / embankment as directed including cost of all materials, machinery, labour, dressing bed and sides to required level and profile etc., complete including all leads & lifts with contractors own material.

Item No 3-:Excavation in Hard Strata of all toughness by blasting including boulders above 0.6 m dia.(0.113Cum) minimising 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 as directed including cost of all materials, machinery, labour, leveling bed etc., complete including all leads & lifts with contractors own material.

Item No.5:- Providing and constructing longitudinal and cross graded filter drains using sand and 20 mm down approved clean, hard, graded aggregates satisfying specified filter criteria in layers of specified thickness including cost of all materials, machinery, labour, laying to required slopes, compaction etc., complete as per specifications and approved drawings with lead up to 1 km and all lifts as directed.

Item No.9:- Providing and constructing dry rubble rock-toe using rubble and stone chips from approved source including cost of all materials, machinery, labour, hand packing rubble and stone chips, finishing top and sides to required slopes etc., complete with lead up to 1 km and all lifts as directed.B)Borrow

Item No 10:- Providing and Laying of Quarry Spalls of approved trap stone quality of specified thickness including hand packing etc. complete as per specifications & approved drawing with lead of 1 km and all lifts as directed.

Item No 11-:Providing and constructing 300 mm thick dry rubble stone pitching with pin headers at 2 per sqm using stones and stone chips from approved source including cost of all materials, labour, hand packing /wedging stone chips, finishing etc., complete with lead up to 50 m and all lifts as directedB)Borrow

Item No 12-:Stacking the rejected material from Dam site to out side D/S portion

Item No 13-:Providing and fixing RCC Boundary/Guard /Chain age blocks of size 75 x 20 x 20 cm including excavation and fixing in a block of 45 x 45 x 45 cm in M-15 Concrete with oil painting of two coats, lettering etc. complete as Directed. (Height of stone above GL 40 cm.)

Item No 14-:Providing and constructing screened/unscreened sand layer from approved source including cost of all materials, labour, machinery etc. complete with lead up to 1 km and all lifts as directed.

Item No 15-:Providing and laying in situ cement concrete of grade M-15 (40MSA) of trap / granite / gneiss / quartzite / graded metal for PCC with or without surface reinforcement / RCC concreting requiring heavy or special type of shuttering for works of and scaffolding, placing, compacting, curing etc. complete with all lead & lift .excluding Royalty of Materials ,With contractors won material. including all leads & lifts with contractors own material.(Cement 5.20 Bags/Cum)

Item No 16-:Providing and laying in situ cement concrete of grade M-25 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 Concrete Mixer including shuttering and scaffolding, placing, compacting, curing with an initial lead of 1 km and all lifts etc. complete as directed.

Item No 17-:Providing, fabricating and placing in position reinforcement steel for RCC works including cutting, bending, hooking, laying in position and tying M.S./ HYSD / TMT bars for reinforcement of R.C.C. work as per detailed drawing etc. complete as directed. including all leads & lifts with contractors own material.

Item No18-:Back filling up to ground level behind the canal structures etc. complete with suitable material of approved quality in layers not exceeding 20 cm without disturbing the structure etc. complete as directed.

Royalty Charges

Insurance charges at 1%

GST Charges at 18%

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