Description :
Tenders for Cleaning Of Sewer Tank By Diesel Running Vehicle Mounting Hydraulic Operated Sewer Cleaning Machine , Taking Out The Stone & Sand From Filter Media Tank Manually/ Mechanical Means And Refilling Again , Supplying Filling Spreading & Leveling Stone Boulders Of Size 5 Cm To 20 Cm In Stp Filter Media Tank , Supplying Filling Spreading & Leveling Gravels Of Size 5 Mm To 10 Mm In Stp Filter Media Tank , Supplying Filling Spreading & Leveling Coarse Sand Of Size 1. 5 Mm To 2 Mm In Stp Filter Media Tank