Karur City Municipal Corporation_KFW Scheme_Providing Under Ground Sewerage Scheme to the leftout areas and added areas of Karur Corporation with operation and maintenance for the period of 5 years-package 2 Second call

A) CIVIL WORK

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B and Hard stiff clay,stiff black cotton soil, hard red earth, shales, murams, gravel, stoney earth, and earth mixed with 50% fair size boulders and hard gravelly soil - SS20Bdirected by Departmental officers

(DWC & HDPE pipe 200 mm to 800 mm dia pipes)

0 to 2m depth

2 to 3m depth

3 to 4m depth

4 to 5m depth