WBIW/EE/APD/NIT01(e)/26-27_1

Excavation of materials from river bed /stoney soil as noted below as per designed section and throwing the spoils for making banks as profile or to deposit the same in any other place as directed by the Engineer-in charge for making embankment within a lead of 50 metre and lift upto 4 metre. including dressing etc. complete. (Work is to be done with mechanical devices) a) Loose boulder mixed with shingles or sand having boulder of size above 20 cm. upto 30 cm. more than 20% upto 30% by volume including removing roots & stumps of trees, cost of profiling channel crossing etc. complete

Supplying Nylon cage netting 1 metre x 1 metre x 1 metre size with knot having mesh size 17.5 cm x 17.5 cm constructed with nylon thread (210 x 24) having tensile strength not less than 250 Kg./sq. cm. including carriage, delivery and stacking at site inclusive of all taxes complete.

Labour charges for dumping and placing in position properly filled in Nylon crates with filled in gunny / poly cement bags (minimum 25 nos. having capacity 50 kg) with local earth or sand, sewing and tying the crate with nylon wire within a lead of 150 m. and all lifts in river slope or bed by cutting trenches upto 50 cms depth, if necessary, or by boat including cost of hire charges of boat, boatmen and other necessary equipments and also including cost of bags, carriage and charge of filling bags with earth / sand but excluding cost of nylon crate as per direction of the Engineer-in-Charge. Volume of each earth / sand filled bags should not be less than 0.028 Cum Size of crate 1 m x1m x 1m Where boats are not necessary