Protection of Harangajao town and D/S of PWD bridge from the erosion of Jatinga river (L/B).

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).

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

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 complete as directed. Ordinary Soil, For depth up to 3.00m

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 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).

Collection of river gravel & shingles of size 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).

Supply of galvanised wire netting sheets made of 8 G wire mesh of 152 mm square mesh in sheets of overall size 2.57 m x 1.66 m including 76 mm projection of each wire on all sides beyond the net size of 2.42 m x 1.51 m having knot of 12 G, G.I wire at every joint including loading, unloading and stacking properly complete as directed by the Deptt. (Weight of each sheet should not be less than 6.3 kg)

Supply of hexagonal wire netting roll 152 mm mesh made of 8 G. G I wire of size 15.24 m x 3.66 m longitudinal wire at 152 mm centre to centre including loading, unloading and stacking properly complete as directed (weight of each roll should not be less than 83 kg)

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. (Without boat)

Labour charge for dumping boulder in sausage made of hexagonal wire netting rolls of size 15.24 m X 3.66 m (supplied by the Deptt. free of cost) cutting the netting as required, making the sausage by tying the projected ends with 8 G wire including supplying and tying the wire at every joint after filling the sausage with boulders properly and launching in places as directed including all handling charges up to 150 m, complete as directed. (a) Without boat.

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

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.

Carriage of wire netting sheets of size 2.57 X 1.66 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 completed as directed. (Considering distance between Haflong W.R. Godown to work site at Harangajao=36.4 Km

Carriage of wire netting rolls from Haflong W.R. Godown to work site including loading and unloading and payment of hire charge of truck, cost of fuel etc. including payment of wages of driver, one handyman, etc. complete as directed.(Considering distance between Haflong W.R. Godown to work site at Harangajao=36.4 Km

Preparation of stack yard of boulder/metal etc. including cutting light jungles and removing the same to a safe distance, levelling the ground, filling up depressions etc. complete as directed. (Considering 20% area are open between stacks)

Construction of temporary shed of two roof with mud plinth of 0.45 m height above ground level with Bhaluka bamboo post 1.5 m apart driven at at least 0.75 m below ground and height above plinth 2.5m. Split Jatti bamboo wall mud plastering white washing 2 coats, 10 cm thick touch roofing over bamboo rua frame placing at 0.15 m clear apart fitted with bamboo kamies from binding doors and windows with Bamboo Chattai strengthening with Bamboo frame binding with wire etc complete as directed. (Using Bhaluka Bamboo at the rate of 6.00 nos/ Rm & Jati Bamboo at the rate of 61.00nos / Rm).

M/S NORTHERN GASES

PULIN BORGOHAIN