Restoration works at Jalimukh bundh (Khalengduar) of Nonoi river including breach closing works.

Amount

Clearing of garbage, derbies and waste materials from the drainage channel up to a depth of 0.60m along bed and bank slopes of the channel including carriage of the spoilsto a safe distance up to 100m and stacking in measurable stacks etc. complete as directed.

Earth work in excavation of drainage channel to the proper grade and slopes as required including disposing the excavated debris/soil to a safe distance of minimum 50 m distance, etc. complete as directed. For lead upto 50 m and all lifts. 2.06.1 Normal Soil

Collection of river boulder of size 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) Abration 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 stacking in regular measurable stacks at site, monopoly, etc. (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).

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

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

Carriage of wire netting sheets of size 2.57 X 1.67 m made of 8 G wire of 152mm Sq. mesh including loading & unloading , Stacking cost of P.O.L. ,etc. complete and including hire charge of truck with driver and handyman, etc. completed as directed. (distance to be claculated from Guwahati) (Distance = 127 KM)

Labour charge for dumping boulder in sausage made of hexagonal wire netting rolls of size (15.24x3.66) m cutting the netting as required making the sausage by tying the projected ends with 8G 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. complete as directed. (wire netting sheets to be supplied by the Department free of cost). 5.03.1. 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, 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. complete as directed.(wire netting sheets to be supplied by the Department free of cost). 5.01.1. Without boat

Labour charge for loose dumping boulder of 23cm. to 30cm. size in loose in eroded portion of river bank/ bed including handling charge and including site carriage of boulder from stack yard/ dump site within a distance of 150 m.etc. complete as directed. 5.02.1 Without boat

Sri Bhaba Dev Mahanta

Sri Uday Baishya

Maniraj Brahma