Re-Excavation of 04 Nos. Khals including installation of solar operated pumping system at different mouzas in Amta-II Block under Howrah (A-M) Division under Core-Sector Programme

Part-A 1.Excavation Bailing out water by pump including all leads and lifts and including making all arrangements for disposal, where continuous flow or seepage of water is encountered and rating of pumps and hours of operation is specifically ascertained as per direction of the Engineer-in-charge

Cutting uprooting and clearing jungles including shrubs, water weeds, bushes, trees, plants, upto 30 cm. girth including removing as directed by Engineer-in-charge.

Cutting, uprooting of roots & stumps of trees of different girth upto 1 meter depth below ground level or bed level & filling the rootholes by soil and removal of branches, roots & stumps etc. including carriage and stacking as per instruction of the Engineer-in-charge (Measurement of girth at breast height of 90 cm) (b) Banana cluster/ Pineapple

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. (a) Ordinary soil / local soil / soil mixed with moorum or kankar / silt, dry or moist / slushy silt / sticky soil.

Extra rate for each 250 metre or part thereof above the initial lead of 1 km on items no 4 (For upto 1.5 km) ( For extra 500 mtr= total unit rate x 2)=(3.5X2)= 7

Dressing and chilchalling flanks or slope of embankment including filling with earth or cutting upto 150 mm. average thickness and ramming properly after sprinkling water.

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) x 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).

For Surface Flow Minor Irrigation Scheme and Field Channel Works extra rate of 4 % should be allowed over the existing schedule rate excluding Earthwork i.e. item No. 4, 6

2.Protection Works Supplying, dressing and stacking bamboo pins above 5 cm. diametre and upto 7.5 cm. diameter (@ 7nos/m = 106 nos)

Supplying, dressing and stacking bamboo pins above 5 cm. diametre and upto 7.5 cm. diameter (@ 3m c/c = 6 nos)