Anti erosion to protect the Rowta river at Niz Rangapani and Khagrabil area.

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

Collection and supply of river boulder (23cm to 30cm in average and minimum weight 30 Kg having i. Specific gravity not less than 2.65, ii. Aggregate Chrushing <30% (Wearing) & < 45% (Non-wearing) iii. Impact Value (%) max < 30% (Wearing) & <45% (Non-wearing) and iv. Abrasion Value (%) <30% (Wearing) & <50% (Non-wearing) (Materials conforming to IS 2386 part III & IV 1963) free from dust, dirt and other foreign materials including necessary carriage and staking in regular measurable stacks at site, monopoly, etc. complete as directed. (10% under sized (not less than 10 cm) boulder is allowable for packing/filling the gaps occurred during execution of works) Complete as directed. (15% deduction will be made from the stack measured quantities on account of void). A) At Niz Rangapani village

Collection and supply of river boulder (23cm to 30cm in average and minimum weight 30 Kg having i. Specific gravity not less than 2.65, ii. Aggregate Chrushing <30% (Wearing) & < 45% (Non-wearing) iii. Impact Value (%) max < 30% (Wearing) & <45% (Non-wearing) and iv. Abrasion Value (%) <30% (Wearing) & <50% (Non-wearing) (Materials conforming to IS 2386 part III & IV 1963) free from dust, dirt and other foreign materials including necessary carriage and staking in regular measurable stacks at site, monopoly, etc. complete as directed. (10% under sized (not less than 10 cm) boulder is allowable for packing/filling the gaps occurred during execution of works) Complete as directed. (15% deduction will be made from the stack measured quantities on account of void). B) At Khagrabil village

Collection and supply of river boulder (23cm to 30cm in average and minimum weight 30 Kg having i. Specific gravity not less than 2.65, ii. Aggregate Chrushing <30% (Wearing) & < 45% (Non-wearing) iii. Impact Value (%) max < 30% (Wearing) & <45% (Non-wearing) and iv. Abrasion Value (%) <30% (Wearing) & <50% (Non-wearing) (Materials conforming to IS 2386 part III & IV 1963) free from dust, dirt and other foreign materials including necessary carriage and staking in regular measurable stacks at site, monopoly, etc. complete as directed. (10% under sized (not less than 10 cm) boulder is allowable for packing/filling the gaps occurred during execution of works) Complete as directed. (15% deduction will be made from the stack measured quantities on account of void). C) At Nagaon village

Earth work in excavation by hydraulic excavator to proper grade and slopes as required including utilizing the spoils for filling works in the vicinity including removing roots & vegetation, dressing to design section etc. complete as directed. Ordinary Soil, for depth up to 3.00m.

Supplying of Hexagonal Wire Netting Roll made of 8 SWG wire triply twisted 152 mm mesh of size 15.24 m × 3.66 m longitudinal. Weight of each roll should not be less than 83 Kg/Roll.

Supply of Galvanized Wire Netting Sheet made of 8 SWG wire 152 mm square mesh in sheet 2.57 m × 1.66 m with longitudinal wire at 152 mm centre and 76 mm projection of each wire on all sides beyond the net size of 2.42 m × 1.5 m having knots of 12 SWG at every joints, weight of each sheet should not be less than 6.3 Kg/sheet.

Labour charge for dumping boulder in sausage made of hexagonal wire netting rolls of size (15.24 × 3.66) m cutting the netting as required making the sausage by tying the projected ends with 8 G wire including supplying & tying the wire at every joint after filling the sausage with boulders properly and launching in places handling charges including site carriage of boulder from stack yard/ dump site within a distance of 150 m. etc. and complete as directed. (Wire netting rolls to be supplied by the Department free of cost) Without boat

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

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.