Anti-Erosion measures to restore the left bank of river Dudhnoi at Salbari area.

Amount

Light Jungles: Clearing light jungles and trees upto 15 cm. girth including cutting, uprooting roots and stumps, removing them from the site of the work, etc. complete as directed. ( When 30% of the area is covered by shrubs,trees etc)

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

Collection of blasted boulder of size 23cm. to 30cm in average and minimum weight 30Kg having (i) specific gravity not less than 2.65 and Materials properties of conforming to IS 2386 part III & IV 1963 and Free from dust, dirt and other foreign materials including local carriage and stacking in regular measurable stacks of approximate 1(one) m. height at site, payment of forest royalty, etc. complete as directed(10% under sized boulder is allowable for packing/filling the gaps occurred during execution of works) .(15% deduction will be made from the stack measured quantities on account of void)

Collection of broken stone metal of size 20 mm to 40m in average from blasted rock free from dust, dirt and other foreign materials screening properly, stacking in suitable 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).

Local carriage of boulder, metal, gravel/sand etc. from the approachable site beyond 150m and up to 3.00Km from the work site including loading from stack and unloading at work site with 10 (ten) ton capacity truck, supplying P.O.L. etc. complete as directed.

Supplying of galvd. wire netting sheets made of 8G wire of 152 mm (6") square mesh in sheets of overall size 2.57 m × 1.66 m (8'6" × 5'6") including 76 mm projection of each wire on all sides 2.42 m × 1.31 m (8'0" × 5'0") having knots of 12G at every joints including unloading and stacking properly, complete as directed by the department (weight of each sheet should not be less then 6.30 Kg)(taxes extra).

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

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

Labour charge for dumping boulder in cage made of wire netting sheets of size 2.57x1.66m 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 150 m.etc. complete as directed.(a) Without Boat

Labour charge for dumping boulder in cage made of wire netting sheets of size 2.57x1.66m 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 150 m.etc. complete as directed.(b) With Boat

Construction of temporary shed

Construction of road for material carriageA) Collection and supply of earth work by truck carriage

Spreading of earth stacks over the crest and slops

Collection of sand gravel from approved quarry containing 60% sand and 40% gravel

Labour charge for making filter bed