Re-excavation and Development of Water Harvesting Tank (Tekedda Dighi Pukur WDS) with allied structure under Maureswar-I Block under Mayurakshi (AI) CAD Division under Core Sector Program

EARTH WORK:-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

Earthwork in excavation in the canals/drainage channels/borrowpits/ River bed / slope of bankas noted below as per designed section& throwing the spoils in layers of 25cm. 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 over Item Nos.1.01, 1.02 & 1.03 for all kinds of soil for every additional lead of 30 metres or part thereof beyond the initial lead of 30 metres. For Lead beyond 30m upto 60 m 30% of Total Earthwork For First Additional lead of 30 metres

For Lead beyond 60m upto 90 m 20% of Total Earthwork For First Additional lead of 30 metres

For Second Additional lead of 30 metres

Extra rate over Item Nos. 1.01, 1.02 & 1.03 for all kinds of soil for every additional lift of 1.50 metre or part thereof beyond the initial lift of 1.50 metre.For Lift beyond 1.50 metre upto 3.0 m. 50% of Total Earthwork =For Additional Lift of 1.5 metres 20% of Total Earthwork

Lift beyond 3.0 m upto 4.5 m,For First Additional Lift of 1.5 metre,-20% of Total Earthwork

For Second Additional Lift of 1.5 metre,20% of Total Earthwork

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).

BATH GHAT AND INLET/OUT LET:-Earth work in excavation by mechanical means (Hydraulic excavator)/Manual means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and for all lift, as directed by Engineer-in-charge. 2.6.1 All kinds of soil