Re-Excavation of Babu Pukur WDS Scheme at Mouza-Akhira, Block Rampurhat-I in the District of Birbhum

Improvement of Water Detention Structure (Babu Pukur) with Inlet and Outlet Structure at Mouza -Akhira, JL No -102 Plot No - 511 under Kusumba Gram Panchyat within Rampurhat-I Block in the District Birbhum . LAT.-24°11'44.988''N & Long.- 88°46'44.976''E. Water Detention Structure:

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.

Excavation in ordinary soil / mixed soil i.e. clay mixed with moorun, kankar, pebbles / silt dry or moist / slushy silt / sticky soil for WDS / WHS / RESERVOIR / SFMIS etc with hydraulic excavator of required bucket capacity including cutting and loading in tippers, trimming bottom and side slopes in accordance with requirement of lines, grades and cross section and transporting to embankment! disposal site within all lifts and lead upto 1500 m including spreading, leveliing disposed spoils at disposed area. (mode of measurement: pre work and post work).

Excavation in gravel / moorun / kankar, compact moorum / very muchweatheredrock/ sticky soil mixed withmoorum or ghooting for WDS / WHS / RESERVOIR / SFMIS etc with hydraulic excavator of required bucket capacity including cutting and loading in tippers, trimming bottom and side slopes in accordance with requirement of lines, grades and cross section and transporting to embankment/ disposal site within all lifts and lead upto 1500 m including spreading , leveliing disposed spoils at disposed area. ( mode of measurement : pre work and post work)

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)

Construction of Display Board:

Supplying, fitting and fixing including transportation of sign board for identifying the exact location of scheme (one at road side and other at site) the board will be made 3 mm thick MS plate of size 300 mm x 600 mm and fitted and fixed on 50 mm GI Pipe of IS 1239/90 (part-1) including cutting, welding and writting of both sides of Sign board. Base - Yellow, and words - Red. Both bottom end of the stands pipe will be grouted in 1:2:4 CC on a single brick flat soling. This will include one materials and labour complete as per drawing and direction of E.I.C.

Constructure of Inlet and outlet Structure:

Earth Work in Excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone), including removing, spreding or stacking the spoils,within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottoms, bailing out water as required complete. (a) Depth of excavation not exceding 1500 mm.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mm as directed and consolidating the same by thorough saturation with water ramming complete including the cost of supply of sand.(Payment to be made on measurement of finished quantity)

Ordinary Cement concrete ( mix 1:2:4) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement if any,in ground floor as per relevent IS codes. (a) Pakur Variety.

200 mm thick Brick work with Fly Ash bricks set in cement sand morter (1:6) including racking out joints, curing, Scaffolding etc complete in all respect.

Providing and laying reinforced cement concrete pipe NP3 with spigot socket for culverts on first class bedding of granular material in single row including fixing with cement mortar 1:2 as per Technical Specification Clause 1106 for Rural Roads of MORD.

Add GST @ 18% of item no 1.01 to 3.05

Add Labour Welfare cess @ 1% of item no 1.01 to 5

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