Construction of Infiltration Well Thamirabarabni river bed at T Veeravanallur Panchayat Cheranmahadevi Panchayat Union

Amount

Construction of Infiltration well

Earthwork excavation above water level in light or sandy or clayey soils for infiltration wells including levelling the site with an initial lead of 10 metres. (TWAD Schedule of Rates 2024-25 , WD-W0076)

Sinking of infiltration well of 4.50m internal dia below water level in Ordinary soil (or) loose soil / sandy soil including all incidental charges using special tools and plants such as air compressor, helmet etc., complete and including baling out water. (TWAD Schedule of Rates 2024-25, Page-224)

For first depth of 2m

For second depth of 2m

For third depth of 2m

Plugging the bottom of the well with coarse sand of approved sizes and grade as directed by the Officers etc., complete as per standard specification.

Porous concrete using 20mm HBG Stone in cement and aggregarate of 1:4(One cement and four HBG Jelly) for steining of infilatration well excluding cost of centering but including curing etc., complete and as directed by the officers.

Centering charges for RCC works including all cost and conveyance all materials to site etc., Plan surface

Centering charges for RCC works including all cost and conveyance all materials to site etc., curved Surface

Supplying and fabrication of steel including all cost and conveyance and all labour charges for cutting, bending, tieing and placeing in position etc., complete.

Reinforced cement concrete 1:11/2:3 mix using 20 mmHBGS metal inculding cost and coveyance of all materials to site including labour for mixing ,laying,curing etc complete.,

Plastering with CM 1:4 mix using to 12mm thick including all cost and conveyance of all materials and all labour charges etc., complete

Exterior emulsion paint two coats over priming coat inculding cost and conveyance of all materials to site and all loboure charges etc complete

Supplying and fixing of CI manhole frame and cover of size 0.60mx0.60mwith suitable 50x50x6mm MS angle fixed along edges etc., complete.

Supply , delivery and fixing of CI Steps to be embedded in the wall of the infiltration well (inside) with vertical clearance of 0.30m c/c and Horizontal clearance of 0.38m c/c in staggered manner etc., complete and as directed by officers.

Provision for supply and fixing I section SBM-200 sizes

Providing New ancarage arrangements

Supply and delivery of 100 mm dia GI pipe

S/D of 50mm dia GI Pipe For Cable cover pipe

S/D of 15 HP 350* 60m submersible motor pump set (Three Phase) with duty condition of etc., complete.

S/D of Panel Board (Three Phase) for 10.00 HP Submersible motor pump set

S/D of 3core 6mm2 flat submersible cable

Charges for erecting 7.50 HP submersible motor pump set with proper cable, EB Service, Trial run & clamping etc., complete. 15 HP Submersible motor (Three Phase)

Laying of PVC rigid pipes with lead of 200m lowering into trench, laying in proper grade, alignment, jointing PVC coupler with specials and tested to the required pressure including conveyance of water upto 1km lead during the testing.

GI ipes 100mm

32mm GI pipe

RAJAIAH J (BID ID -1275651)