Construction for Horizontal sub surface flow constructed wetland with screen and settling chamber(for greywater with BOD up to 100mg/lit,FLOW 15KLD) in Sethurayanpudur Panchayat

Amount

Earth work excavation and depositing on bank with in initial lead of 10 m and initial lift of 2m in hard stiff clay, stiff black cotton soil, hard red earth,earth mixed with small sized boulders and hard gravelly soil as per SS 20B

Cement concrete 1:4:8 mix using 40mm ISS metal including cost and conveyance of all materials to site and all labour charges for mixing,laying and curing etc complete for 10 cum.

Supply and erection of Centering including cost and conveyance of all materials and all labour charges etc., complete.

Cement concrete 1:3:6 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 10 cum.

Brick work in cement mortar 1:5 mix using country bricks 83/4"x4 1/4"x2 3/4" and conveyance of all materials to site and all labour charges etc complete.

Plastering with cement mortar 1:5 mix to 12mm thick including cost and conveyance of all materials to site and all labour charges etc complete.

Plastering with cement mortar 1:4 mix to 20 mm thick including cost and conveyance of all materials to site and all labour charges etc complete for 10 Sqm.

Supplying and filling with 20mm metal from an approved quarry including all cost and conveyance materials and all labour charges etc., complete with Standared Specification.

Supplying and Filling 4 to 8mm chips including cost and conveyance of all materials to site and all labour charges etc

Supply of PVC pipes 110mm dia with all labour charges etc., complete

Supplying & fixing with cuddapah slabs 20-30mm thick for cup board thick and pointed with cement mortar 1:3 -10 Sqm

MR.GEORGE RAJENDRAN, CONTRACTOR (BID ID -1202279)