Rate Contract for Cleaning of Slow Sand Filter at JEN section HQ 2 under Sub DN. 1st, Bikaner

PART A :-

Labour charges for screening of old sand (received from filter beds) through the standard sieves, washing the sand with HCL acid of required concentration as directed by the Engineer- In- Charge, so as to remove all the mud and other deposits from sand grains and then clean with water till the sand is as neat and clean that it impart no colour to clean while washing. It also includes placing this washed filter media (sand) in filter beds in layer as instructed by the Engineer- In- Charge. (RGF, SSF)

Cleaning of Jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth upto 30 cm measured at a height of 1 m above ground level and removel of rubbish upto a distrance of 50m outside the periphey of the area cleared.