REP AND REPLACEMENT OF SEWAGE SYSTEM BY CLEANING SEWAGE LINES MANHOLES GULLY TRAP AND SEPTIC TANK AT OTM ACCN OF ASC CENTRE (SOUTH) UNDER GE (CENTRAL) BANGALORE

M&L for Cleaning of 100 to 150 mm bore blocked Sewage lines in any depth by pressure Jet by using mechnical/ hydrulic pressure using Vehicle type hydrulic methods or mordern methods from manholes to manholes or manholes to cleaning eye or cleaning eye to clean eye untill the smooth flow of sewage line is restored including taking out sludge in semi liquid stage including all water effluences etc refixing man hole cover and removing all materials from site of work upto a outside MD land and depositing in excavated earth pit of suitable size including supply and sprinkling bleaching powder and covering sludge with earth after removal of blockage etc complete all as specified and directed.

All as per item No. 1 here-in-above but for 200 mm bore sewage line complete all as specified and directed.

All as per item No. 1 here-in-above but for 300 mm bore sewage line complete all as specified and directed.

Taking out deposited sludge from manholes upto 3.00 mtr depth from GL (height of lift) by means of mechanical compressor sewage cleaning machine and cleaning the entire internal sewage with water to the satisfaction of Engineer-in-charge and disposed of wastes outside MD land and depositing where desired. Note :- (i) The mechanical sewage cleaning compressure machine shall be arranged by the contractor from is own cost and arrangement. (ii) The sewage cleaning machine shall be arranged by the contractor as and when informed by Enginner -in-Charge for desludging the MH. (iii) The quantities will not be given in full for cleaning. The same may be in part or full for cleaning. The same may be in part of full as available depedning on the blockage or user's complaints. As such contractor will not have any claim for cleaning the MH in one part. (iv) Disposal to be done strictly as per local municipal norms and pollution control board guideline(iv) Rate are incl of following :- (i) Opening/removal of cover slabs and reinstatement after cleaning without damaging to tank structure, baffle wall or piping. (ii) Removal of settled sludge if any at bottom, floating scum layer and liquid effluent. (iii) Labour, equipment, safety gears/hygiene measures, fuel, transporation.