Integrated Water Harvesting and Land Development Project at Kamarpur Gaon (Garubandha) under RIDF-XXXI

Part-A : Water Harvesting Structure (RCC Check Dam) :

Clearing and grubbing road land including uprooting rank vegeation, grass, bushes, shrubs, samplings and trees grith upto 300mm, removal of stumps of trees cut earlier and disposal of the unserviceable materials etc. as directed

Earth work in excavation of foundation for structures as per drawing & technical specification, including setting out, construction of shoring & bracing, removal of stumps & other deleterious matter, dressing of sides & bottom and backfilling in trenches with approved material. (I) Ordinary soil (A)Manual Means ; (I) With dewatering ; (i) upto 3.00m depth

Plain cement concrete 1 : 3 : 6 normal mix in foundation with crushed stone aggregate 40 mm normal size mechanically mixed, placed in foundation and compacted by vibration including curing etc. complete as per drawing and technical spoecifications.

RCC Works in in sub structure complete as per drawing & technical specification and steel shuttering form work. (E) RCC Grade M20 ; (a) Height upto 5.00 m

Supplying, fitting & placing TMT bar reinforcement in substructure complete as per drawing & technical specifications. (i) With TATA make TMT CRS (Fe500 grade) rebar

Plastering with cement mortar ( 1 : 3 ) on R.C.C. works as per technical specifications.

Providing and laying of filter media with granular material/stone crushed aggregates satisfying the requirment laid down in clause 2504.2.2 of MoRTH specification to a thickness of not less than 600mm with smaller size towards the soil and bigger size toward the Head Wall to the full height compact to a firm condition complete as per drawing and specification.

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting p g to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification.

Furnishing and laying of the live sods of perennial turf forming grass on embankment slope, including preparation of ground, fetching of sods and watering as per Technical Specification.

Providing & laying boulder apron on gully bed in up stream and down stream of RCC structure for protection against scour with stone boulders weighting not less than 40 kg each complete as per drawing & technical specifications.

Providing Weep Holes in RCC Head Wall etc. with 100mm dia AC pipe extending through full width of the structure with slope of IV:20H towards drawing face etc. complete as per drawing and Technical specification.

Construction of R.C.C. Foot Bridge (Gangway)

R.C.C. works for slab and Post with aggregate in size 13mm to 38 mm of down graded gravel in proportion 1:2:4 including necessary shuttering, curing etc. complete as directed. (Payment of M/S Road will be made Separately). (E) RCC Grade M 20

Supplying, fitting & placing TMT bar reinforcement in substructure complete as per drawing & technical specifications. (i) With TATA make TMT CRS (Fe500 grade) rebar

Cement plastering works to the exposed Posts, slabs in prop 1:3 including curing etc. complete as per drawing & technical specifications.

Providing fitting and fixing 100 mm dia GI pipe railing two rows in both sides of the Foot Bridge.

Construction of diversion channel to divert the flow of stream during the construction of RCC Check Dam complete as per direction and specifications.

Earthwork in filling for closing the diversion channel after completion of work.

Installation of Tube well at the work site including supplying all necessary accessories and materials.

Cost for construction of RCC Signboard including painting, writing and supplying all necessary materials etc. complete as per directed at the project site.

Part-B: (i) Earthen Bund :

Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet the requirement of with a lead upto1000 m as per Technical Specification .

Furnishing and laying of the live sods of perennial turf forming grass on embankment slope, including preparation of ground, fetching of sods and watering as per Technical Specification.

Planting of trees around the bank of pond in 0.60 m dia holes, 1 m deep dug in the ground, mixing the soil with decayed farm yard/ sludge manure, planting the saplings, backfilling the trenches, watering, fixing the tree guard etc. complete as directed.

Cost for construction of RCC Signboard including painting, writing and supplying all necessary materials etc. complete as per directed at the project site.

Part-B : (ii) RCC Box Culvert :

Earth work in excavation of foundation for structures as per drawing & technical specification, including setting out, construction of shoring & bracing, removal of stumps & other deleterious matter, dressing of sides & bottom and backfilling in trenches with approved material. (I) Ordinary soil ; (A) Manual Means ; (I) With dewatering ; (i) upto 3.00m depth

Providing brick soling in earthen shoulder with stone / best quality jhama brick, sand packed and laid to true line and level and in panel after preparing the sub grade including earthwork in excavation as directed including all labour and materials and if necessary dewatering, etc. complete as directed. (a) Brick on flat soling

Plain cement concrete 1:3:6 nominal mix in foundation with crushed stone aggregate 40 mm nominal size mechanically mixed, placed in foundation.

R.C.C. work in proportion 1:2:4: in all walls mixed with crushed stone aggregate 23 mm nominal size mechanically mixed & placed in all R.C.C. walls and completed by vibration including necessary shuttering as per technical specification & drawings. (E) R.C.C. Grade M 20 (a) Height up to 5 m, using concrete mixture.

Supplying, fitting & placing TMT bar reinforcement in substructure complete as per drawing & technical specifications. (i) With TATA make TMT CRS (Fe500 grade) rebar

Plastering work with cement mortar in prop. 1:3 on brick work in sub structure as per technical specification complete as directed.

Providing and laying boulder apron on river bed for protection against scour with stone boulders weighing not less than 40 kg each complete as per drawing and Technical specification.

Part-C : Water Harvesting Farm Pond with Plantation

Clearing grass and removal of rubbish up to a distance of 30 m outside the periphery of the area as per technical specification and directed.

Earth work in excavation of water harvesting structure/pond as per drawing and technical specification, including removal of stumps and other deleterious matter, dressing of sides and bottom, bailing out water and staking the earth around the pond in the form of high bank etc. completed as per specification and directed. (B) Mechanical means (II) With dewatering ; (i) Up to 3 m depth

Furnishing and laying of live-sods of perennial turf forming grass on embankment slope, verges of other location as directed including preparation of ground, fetching of sods and watering etc. complete as per specifications and direction.

Planting of trees around the bank of pond in 0.60m dia holes, 1.0 m deep dug in the ground, mixing the soil with decayed farm yard/sludge manure, planting the saplings, backfilling the trenches, watering, fixing the tree guard and maintaining the plants for three years.

Cost for construction of 1 No. RCC Sign Board including colouring, lettering, supplying all necessary materials etc. complete as directed.

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