Construction of Water Harvesting Project cum Distribution Channel at village Jojlaigaon under RIDF-XXXI

Check Dam

Clearing and grubbing road land including uprooting rank, vegetation, grass, shrubs, bushes, saplings & trees girth upto 300mm, removal of stumps of trees cut earlier & disposable of unservicable materials and sauctioned upto lead of 1000m including removal.

Construction of diversion channel to divert the flow of water in up stream of the proposed structure.

Earth work in excavation of foundation of structures as per drawing and technical specification clause including setting out construction of shoring and bracing deleterious matter, dressing of sides and bottom & backfilling with approved material. By Manual Means (Depth upto 3 m) (Without dewatering ) above GBL

Earth work in excavation of foundation of structures as per drawing and technical specification clause including setting out construction of shoring and bracing deleterious matter, dressing of sides and bottom & backfilling with approved material. By Manual Means (Depth upto 3 m) (Without dewatering ) Below GBL

PCC 1:3:6 in foundation (Plain Cement Concrete 1:3:6 normal mix in foundation with crushed stone aggregate 40mm nominal size mechanically mixed, placed in foundation and complacted by vibration including curing for 14 days)

Plain/reinforced cement concret in sub substructure complete as per drawing and technical specification and steel shuttering formwork, curing completed as directed.

Supplying, fitting & placing TMT bar reinforcement in sub-substructure complete as per drawings & technical specification.TMT-IS 1786 (Fe-500-D) Primary Producer: TATA/SAIL/ Esser Steel/ Jindal steel/Shyam steel or equivalent). substructure complete as per drawings & technical specification Clauses 1002, 1005, 1010 & 1202.

Plastering with cement mortar (1:3) on brick work in sub-substructure as per technical specifications.

Providing and laying of Filter media with granular crushed aggregates as per specification to a thickness of not less than 600mm with samller size towards the soil and bigger size to wards the wall and providing over the entire surface behind abutmnet, wing wall, return, wall to thefull height, compacted to firm condition complete as per drawing and technical specification. Clause 1204.38

Earth work by head load in filling embankment in layers not exceeding 20cm thick including breaking clods, dressingand sectioning cambring and ramming with a lead up to 30 cm and lift up to 1.5 m including payment of land compensation for obtaining earth from private land or govt. land as required and 12.5% deduction being made on the quantity thus arrived for shrinkage allowance. Ordinar soil, Basti soil, Low marshy land

Const. of embankment (periphery bund) with approved material obtained from borrwo pits with a lift upto 1.5m transporting to site, spreading, grading to required slope & compacting to meet requirement of Tables 300.1 and 300.2 with a lead up to 1000m as per technical specification cluse 300.5

Providing and laying boulders apron for bed protection with stone boulders of minimum size and as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete as per drawing and Technical specification Clause 1301.

Providing & laying of boulder apron laid in wire crates made with 4mm dia GI wire conforming to IS:280 and IS:4826 in 100mm X 100mm mesh (weaved diagonally) including 10% extra for laps and jionts laid with stone boulders weighing not less than 40 kg each.

Cost of Haulage and loading and unloading of man size boulder in project site. (Enclosed rate analysis)

Providing and laying boulders apron for bed protection with stone boulders of minimum size and as per Table 1300.1, no fragment weighing less than 25 kg laid dry complete as per drawing and Technical specification Clause 1301.

Providing & Laying hand tube well

Providing RCC sign board including painting & writing in engrave lettering etc.

Distribution channel

Clearing & grubbing surface road land including uprooting rank vegetation, grass, bushes, Shurb, Sapling and trees girth up to 300mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and sauctioned up to lead of 1000m including removal.

Earth work in exacavation for drainage channel as per drwaing & technical specification including settingout, construction of shoring and bracing removal of stumps & other deleterious matter dressing of sides & bottom etc.

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