Construction of RCC Infiltration Well 10 meter internal diameter at Dakshdweep and appurtenant works including supply of all materials labour and T and P etc complete for proper completion of work under Kumbh Mela 2027 programme

Amount

Earth work in excavation by manual means in foundation trenches or drain (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of side and ramming of bottoms, lift upto 1.5 m including getting out the excavation soil and disposal of surplus excavated soil as directed, within a lead of 50 m.

Soil mixed with boulder (0.0 to 1.5 m)

Soil mixed with boulder (1.5 to 3.0 m)

Sinking of 11 m external diameter well ( other than pneumatic method of sinking ) through all types of strata namely sandy soil, clayey soil and rock as shown against each case, complete as per drawing and technical specifications. Depth of sinking is reckoned from bed level.

0 m to 3.0 m .depth from bed level upto 3.0 mtr.( Sandy soil)

3.0 m to 10.0 m (Rock bouldery strata )

Supply & fixing of well curb made up of 150 mm x 150 mm x 12 mm angle iron with external diameter 10.70 m with cutting edge of MS plate 250 mm x 12 mm size welded with angle iron and including making necessary no. of required holes of 16 mm size for fixing the bolts in angle iron as per drawing and direction of Engineer Incharge The bolts shall be supplied by the contractor.

Providing and laying in position reinforced cement concrete as per applicable latest IS code 456 & 3370.

In Well curb, Well Steining, slab Beam

Mild steel or iron work in well curb staining, slab etc. The rate shall include supply of steel and its cutting, bending, binding, hooking etc. complete including supply of material, Labour and T&P etc. required for proper completion of work. Weight shall be calculated as per standard weight no wastage shall be paid.

Centering, shuttering including struttings, propping etc. and removal of form work

In Well curb

In Well Steining

In Slab

In Beam

In lintel

In Column

Supply & fixing ISMB Girder 250 mm x 125 mm size as per drawing & direction of Engineer Incharge as required and painting in two coats of approved paint with one basic coat and hoisting of girder wherever required as per directions of Engineer Incharge including painting with black Japan paint including lifting it from the infiltration well and fixing in masonry as shown in drawing. The rate shall include supply of all labour, material, T&P etc. required for proper completion of work

First Class Brickwork in 1:6 cement mortor laid with cement and local sand mortor in pump house wall including supply of all labour, material T&P etc complete.

Supply of Filter box and Filter plates as per drawing including cost of material's fabrication and cartage up to site of work etc. complete and fixing them true to alignment and filling the filter media in the filter box of different gradation complete

Supply of following different sizes of Filter media for filling in Filter box and also inside the well at the bottom as per drawing & directions of the Engineer Incharge.

10 mm to 20 mm

20 mm to 35 mm

35 mm to 50 mm

50mm to 80 mm

Supply & fixing of MS manhole cover 1.50 x 1.0 m size including MS angle iron frame of 50 mm x 50 mm x 6 mm size & MS sheet 6 mm thick as slab including supply of all labour, material, T&P etc. as per directions of Engineer Incharge.

Supply & fixing of MS manhole cover 0.9 m x 0.9 m size including MS angle iron frame of 50 mm x 50 mm x 6 mm size & MS sheet 6 mm thick as slab including supply of all labour, material, T&P etc. as per direction of Engineer Incharge.

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS : 10910, on 12 mm dia steel bar conforming to IS:1786, having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture’s permanent identification mark to be visible even after fixing, including fixing in well with 30x20x15 cm cement concrete block1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size) complete as per design.

Supply & fixing of 25 mm dia. GI pipe railing in three rows including cutting, welding, moulding of pipe etc. complete including painting in two coats of approved paint over primary coat as per direction of Engineer Incharge.

Supply & fixing of checkered plate 6 mm thick of size 500 x 250 mm including supply of all labour, materials, T&P etc. required for proper completion of work.

12 mm thick plaster in 1:6 cement, sand mortar over brick including supply of all labour, materials, T&P etc. complete as per direction of Engineer Incharge

Supply & fixing of 110 mm PVC rain pipe with necessary bends, clamps etc. all complete.

White washing three coats in ceiling including supply of all material, labour and T&P etc. complete as per direction of Engineer Incharge.

Distempering over inner wall of approved quality and shade with one primary coat including supply of all material, labour, T&P etc. complete as per directions of Engineer Incharge.

Acrylic Smooth Exterior painting over wall of approved quality and shade with one primary coat including supply of all material, labour, T&P etc. complete as per directions of Engineer Incharge.

Supply & fixing of angle iron choukhat of angle iron 50 mm x 50 mm x 6 mm size including hold fast hinges etc. complete including two coats of painting over one coat priming coat including supply of all labour, material, T&P etc. as per directions of Engineer Incharge.

Providing and fixing of 1 MM thick M.S. Sheet door with frame 40x40x6mm size including holdfast hinges etc complete including two coat of painting over one coat of proming coat including supply of all labours T&P etc as per direction of engineer in charge.

Supply & fixing of Z section for window and ventilator in pump house including hinges, handles, stoppers etc. complete and also including its painting with two coat of approved paint over primary coat including of supply of all material, labour etc. complete.

Supply & fixing of Glass panes with putty in Z section window.

Fixing of MS ERW pipe of 200 mm dia along the well steining inside the well in vertical position with the view that if the infiltration well does not work than it can be utilized as wet well

Dewatering of water caused due to seepage of ground water and surface water etc. excluding excavation of foundation but during execution of civil works including supply of all machine operator, khalashi, POL, electricity T&P, accessories required for proper completion of the work.

Const of Staircase from the ground level to floor of Pump House including cost of materials, labour, T & P etc. complete.

Providing and laying in position reinforced cement concrete as per applicable latest IS code 456 &3370.

Providing and laying in position cement concrete in 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm nominal size) of specified grade excluding the cost of centering and shuttering

Centering, shuttering including struttings, propping etc. and removal of form work

Foundation

Mild steel or iron work including supply of material, Labour and T&P etc. required for proper completion of work.

Supply & fixing of 25 mm dia. GI pipe railing in three rows including cutting, welding, moulding of pipe etc. complete including painting in two coats of approved paint over primary coat as per direction of Engineer Incharge.

devendra prakash contractors (BID ID -399954)