Construction of Infiltration well River bed in Pump room and Pipe line arrangements in Kodaganallur Panchayat in Pappakudi Panchayat Union

RCC 1:1.5:3 (one cement, on and half sand and three aggregate) using 20mm machine crosed HBG stone for the following members excluding the cost of reinforcement and fabricating, centering, shuttering and strutting charges but including the cost of curing etc. Complete and as directed by officers.

Porus concrete using 20 mm HBG stone in cement and aggregate of 1:2:4 (one cement and four HBG jelly) for stiening of infiltration well exluding cost of centering but incliding curing etc. complete and as directed by the officers.

Cement concrete 1:2:4 mix using 20mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing, laying and curing etc complete for bed blocks for 10 cum

Painting two coats with approved Plastic Emulsion paint over one primming coat and cement paint over cement plastered wall surfaces.

Providing steel centering using MS plate of size 90cm x 60cm - 13G to 10G thick welded with 25cm x 3mm MS angles supported with country wood scanting of size 10cm x 6.5cm at 50cm c/c strutting with casuarinas props of 10 cm to 13cm dia etc. complete and as directed by officers.

Curved Surface

Plane Surface

Supply, delivery fabrication and placing in position of MS, RTS rods for reinforcement for binding ring, pilasters, oof slab and well curb including cost of binding wire etc. complete and as directed by Officers.

sinking of infiltration well of 4.50 m internal dia and 5.4 m outer dia below water level in sandy soil including all incidental charges atc. Complete and as directed by officers

1st depth of 2m

2nd depth of 2m

3rd depth of 2m

Plugging the bottom of well with coarse sand passing through a sieve of 10 meshes to 2.50 cm and retained in a sieve of 200 meshes to 2.50 cm etc. complete and as directed by officers.

Supply and fixing of CI manhole cover of size 0.60 x 0.60 m with locking arrangements including the cost of RI sheet and fixing at the edges etc. complete and as directed by officers. ( heavy type )

Supply and delivery of the following MS Chennal including fixing and painting etc. Complete to house the submersible pumpsets

Channel No. ISLC 200 (24.0 kg /feet)

Supply and fixing of cutting edge using 75 x75 x 6 mm MS angle including the cost of fabrication welding and placing in position in the curb including cost of materials conveyance etc. complete and as directed by officers.

Putting confirmatory borholes of size 3" to 4" dia in river bed in sand using hand bore set including cost of hire charges. Conveyance charges, collecting soil samples etc. complete and as directed by officers.

Provision for diverting water by constructing ring bund around the well (Vide separate sheet)

Motor & Pipe Line (Sub Estimate)

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 4mm2 flat submersible cable

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

Supply of the following CI pipes, and specials as Per IS specifications

100mm CI pipe

100mm Duck foot Bend, CI 90 deg Bend, CI Bend

100mm GI pipe

150mm CI Sulice valve

150mm CI Non Return valve