A/E measures to Protect the villages Taisoguri,Garlajhar,Laokriguri and Santikunja from the erosion of Taklai river on L/B (Phase-II)

Amount

Collection of river boulder of size23cm. to 30cm. in average and minimum weight 30 kg having (i) specific gravity not less than 2.65 and materials properties conforming to IS 2386 part III & IV 1963 free from dust, dirt and other foreign materials including necessary carriage and stacking in regular measurable stacks at site, payment of forest royalty, monopoly, etc. (10% under sized boulderis allowable for packing / filling the gaps occurred during execution of work) Complete as directed. (15% deduction will be made from the stack measured quantities on account of void) Quarry: - Taklai river quarry

Collection of river gravel & shingles 20mm to 40mm in average free from dust, dirt and other foreign materials, including necessary carriage and stacking in regular measurable stacks at quarry site, payment of forest royalty, monopoly, etc. complete as directed. ( 7.5% deduction will be made from the stack measured quantities on account of void) Quarry: - Taklai river quarry

Supply of galvd. Wire netting sheets of 8G. wire of 152 mm (6”) square mesh in sheet of overall size 2.57m x 1.66 m. (8’x6”) (5’x6”) including 76 mm. projection of each wire on all sizes beyond the net size of 2.42m x 1.50m including loading, unloading and stacking properly etc. complete as directed. (Tax extra).

Earthwork in bank trimming to the designed section /slope including removing the soils at a safe distance, complete as directed.

Labour charge for making filter bed of required thickness with stone metal of sizes 13 mm to 38 mm over the trimmed surface of river bank/ embankment, slope, including site carriage of stone metal within a distance of 150m.complete as directed.

Labour charge for dumping of boulder in cage made of wire netting sheets of size 2.57m x 1.66m of 8G galvanized wire making the cage from 2 nos of wire netting sheet by tying the projected wires (wire netting sheet supplied by the department free of cost within 150m of work site) filling boulder inside in cage launching the same in position as directed including all handling charges and including site carriage of boulder from stack yard/dump site within a distance of 150m etc. Complete as directed. (without boat)

Labour charge for laying and pitching boulder of 23cm to 30cm size(man size) including dressing the seat,ramming to proper size & slope, properly hand packed including site carriage of boulder from Stacks within a distance of 150m etc. Complete as directed.

KATIRAM NARZARY

DILIP KUMAR BASUMATARY