Immediate measures to restoration works at Dhansiri river on its R/B at No.8 Dhansiri (Barjajhar) near Rowta Bagan area under SDRF for 2020-21

Amount

Clearing light jungles and trees up to 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).

Collection and supply of river boulder of size 23cm. to 30 cm. 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 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). Quarry:-

Earthwork in bank trimming to the designed section /slope including removing the soils and depositing on bank/toe of proposed structure as directed by the Deptt. Including clearing light jungles debries and other foreign materials etc. with all lead and lifts etc. omplete as directed.

Supplying of galvd. hexagonal W.N. rolls 152mm.(6”) mesh of size 15.24m.X3.66m.(50’X12’) longitudinal wire at 152mm.(6”) centre made of 8BGW wire triply twisted including loading, unloding and stacking etc. Complete as directed by the deptt.(weight of each roll should not be less than 83 Kg.)(tax extra).

Supplying of Galved hexagonal 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 76mm projection on ieach wire on all sides beyond the net site (8' x 5') 2.5m x 1.5m having knots of 12 gauge at every joints including loading, unloading and stacking properly complete as directed by the Deptt. (Weight of each sheet should not be less than 6.30 kg.)

Labour charge for dumping boulder in sausage made of hexagonal wire netting rolls of size (15.24x3.66)m (supplied by the department. free of cost) 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. (Without boat)

Labour charge for dumping boulder in cage made of W.N. sheets made of 8G.wire mesh of size 2.57m.x1.66m.two sheets to be made of one cage supplied by the deptt. free of cost making the cage by tying the projected ends filling boulder inside the cage and launching the same as directed including all handling charges and local carriage of boulder from a distance up to 150m. etc completed as directed (Without boat)

Local carriage of boulder, metal, gravel/sand etc. from the approachable site beyond 150m and up to 3.00 Km 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.

Sri Ekho Das