WBIW/EE/JID/eNIT-36( e) /2025-26 SL 1

Earthwork in excavation in the canals / drainage channels / borrow pits / River bed / slope of bank as noted below as per designed section & throwing the spoils in layers of 25 cm. for making banks as per profile or to deposit the same in any other place within an initial lead of 30 metre and initial lift of 1.5 metre including breaking clods, rough dressing etc. complete as per direction of the Engineer-in-charge. Ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil.

Supplying at site geotextile bags of size 1.00 m x 0.70 m using UV stabilized needle punched polypropylene non-woven geotextile of 300 gsm as per specification, double stitched at two ends with polypropylene or equivalent yarn including cost of transportation by all means and other incidental charges complete. Note: Payment will be made subject to the result of 3rd Party Testing, to be done by the Engineer-in-charge departmentally. Paragraphs 2.7.5, 2.7.7, 2.7.8, 2.7.9 and 2.7.10 under the Chapter of “Specification for Works” in the USoR shall be reproduced and included in the tender document as “Specification and Special Terms & Conditions for Geotextile Bags” in case of use of this item in the estimate.

Labour charges for filling Geo-textile bags with filler materials (earth/sand), machine stitching the open end of the bag with thread as per design and placing the same on slope or dumping from bank within initial lead of 150 m and all lifts including carriage and hire charges of all materials and equipments but excluding the cost of filler materials as directed by the Engineer-in-Charge. Bag size 1.00m x 0.70m of capacity 0.1325 cum/bag

Supplying, testing and installation of open Weave Jute Geo-textile (JGT) having overall weight of 500 gm/sq. m, thickness 6 mm, width 1220 mm, Tensile strength 10 KN/m (Warp direction) × 7.50 KN/m (weft direction) on slopes of embankments dressed and cut to a gradient as per design and drawing for control of surface soil erosion on proposed bank slope of embankment including the cost of preparation of subgrade and excavating the trenches of 500 mm deep and spade-width wide where necessary, and filling the trenches with earth duly secured to sub-grade by U shape MS staples (11 gauges) or wooden or plastic pegs at an interval of 450 mm, providing side lapping of 100 mm and horizontal lapping of 300 mm as per direction complete. The rate is inclusive of all incidental charges, transportation by all means to the work site, all leads and lifts complete. (Payment will made on the basis of finished surface area of the slope). "

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. NB:- Volume of each earth/ sand filled bags should not be less than 0.028 m3" Size of Nylon crate is 1metre X 1metre X 1metre. Where boats are not necessary