Construction of Infiltration well at Kadana River in A.P.Nadanoor Village and Panchayat.

Amount

1.Construction of Infiltration Well at Kadana River in A.P.Nadar Village in A.P.Nadanoor Panchayat

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( Page-151 to 162)

For first depth of 1m

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 2017-18 (Revised), Page-163)

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., complete.

PLANE SURFACE

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.

RCC 1:1.5:3 mix using 20mm ISS HBG metal including all cost and conveyance and all labour charges etc., complete excluding cost of steel without centering.

Brick work in CM 1:5 mix using third class country bricks of size 8 3/4 x 4 1/4 x 2 3/4 including all cost and conveyance of materials and labour charges 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

Plastering with CM 1:5 mix using to 12mm thick including all cost and conveyance of all materials and all labour charges etc., complete

Cement painting two coats with best approved quality and colour paint over one coat of Base coat including cost and convyance of all materials to work site and labour 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 Pipe Line & Pumpset

S/D of 7.5 HP submersible motor pump set (Three Phase) with duty condition of 300LPM against 60m head etc., complete.

S/D of Panel Board (Three Phase) for 7.5 HP Submersible motor pump set

S/D of 3core 6mm2 flat submersible cable

S/D of 80mm dia GI Pipe

Charges for erecting submersible motor pump set with proper cable, EB Service, Trial run & clamping etc., complete.

Electrification Works

a)SD145 (DPIC Switch)

b)SD 131 (Meter Board)

Labour charges for Laying of GI, 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 etc., complete.

GST Amount for providing Service to Government Contract Works for the above RENEWAL Works. { GST Amount is the Total GST Amount for overall quoted amount above this row in column "BB" for all works in this package} (Refer Clause 13.2 & 13.3 of Section 2 of Instruction to Bidders (ITB) of SBD)

S.Ramasubramanian (BID ID -1467687)