Construction of Dyke for Repair and Strengthening of Intake Trash Rack Panel and Right Bank Hill Slope at TLD-III Power Station

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-incharge 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)-Boulder, shingles, sand debries, having size above 20 cm. upto 40 cm. more than 30% and upto 40% by volume (as per visual estimation) including removing roots and stumps of trees and minings, cost of profiling, channel crossing etc. complete.

Extra rate over Item No 1 for a lead of Average 150m or part thereof beyond initial lead.

Construction of embankment by earth moving machinery with approved materials already deposited at site available from river bed cutting and excavation from drain and foundation of other structures as per given profile for formation of bank and as per directon of the Engineer-incharge.

Compacting earthwork in embankment in layers of 25 cm. by power roller or by any other mechanical means, like tractor driven sheep foot roller/ vibrating plate compactor earth rammer etc., (not at OMC) including necessary watering, labour charges, hire charges of all materials, tools & plants etc. and including cost and supply of all materials complete as per direction of the Engineer-in-charge.

Excavating, supplying and filling of local earth (including royalty) by mechanical transport upto a lead of 5km also including ramming and watering of the earth in layers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete.

Supplying to site empty cement polythene bags (capacity 50kg) in good condition including stacking, incedental charges etc. all complete (capacity 50 kg).

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.

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 150m 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 i) Bag size 1.00m x 0.70m of capacity 0.1325 cum/bag

Labour charges for filling empty cement gunny bag / polythene bag (capacity 50 kg) with all kinds of earth (wet or dry), sand or agreegates(stone / brick) and sewing as done in case of cement bags ,(tying with a knot after filling will not be accepted ) , and stacking within a lead of 30 metre as per direction of Engr-in-charge (cost is excluding the cost of any types of filling materials).

Supplying at site 9mm polypropylene (PP) rope gabion (4-strand and mesh size 75mm x 75mm) as per specification, laying along sea/riverside toe of embankment , closing and locking the gabions,inter locking the adjoining gabions, after placement of full bricks inside, including cost of all materials (excluding bricks), labours,transportation to site by all means, all leads and lifts complete as per direction of the Engineer-in-charge. Gabion of size 2m (L) x 1m (W) x 1m (H), with intermediate partition at every metre width.