REPAIRS AND CLEANING OF MANHOLES, SEPTIC TANK AND FILTER BED AT VISHWA VIHAR UNDER GE (AF) MARATHAHALLI BANGALORE

Material and Labour for cleaning of sewer lines from Manhole to Manhole of any depth and dia of pipe including testing sewer line by pouring water complete all as directed by Engr-in-Charge.

Cleaning of Manhole Upto 2m depth, any size and any depth including taking out sludge, sewer water, any other materials etc and disposal of the same outside MD land complete all as directed by Engr-in-Charge. Note:- Payment of blockage shall be paid again to the manhole if the blockage occurs after the interval of 1 month.

Cleaning of Manhole Exc 2m but not exc 4m depth, any size and any depth including taking out sludge, sewer water, any other materials etc and disposal of the same outside MD land complete all as directed by Engr-in-Charge. Note:- Payment of blockage shall be paid again to the manhole if the blockage occurs after the interval of 1 month.

Excavation in trenches for exposing the sewage line and breaking SGSW pipe horizontally on top to help cleaning the sewer line from Manhole to the location where the SGSW pipe is broken and covering the broken portion of SGSW pipe from the top and sealing the opening in CM (1:3) including returning filling and ramming in trenches with excavated earth and disposal off surplus earth to a distance not exceeding. 50 m complete all as directed by Engr-in-charge (irrespective of depth and type of soil).

Cleaning blockages from Nahani trap to Gully trap by Roding etc and cleaning the sludge from NT taking up and refixing the grating in CM (1:3) including testing by pouring the water until smooth flow, complete all as directed by Engineer-in-charge. Note:- Payment of blockage shall be paid again to the manhole if the blockage occurs after the interval of 15 Days.

Cleaning of blockages from Gully trap to 1st Manhole length of sewer line not exceed 5m by roding etc and cleaning all sludge from Gully trap to 1st Manhole including pouring water until the smooth flow and necessary earth work and disposed of sludge etc complete all as directed. Note:- Payment of blockage shall be paid again to the manhole if the blockage occurs after the interval of 15 Days.

Cleaning blockages from water closet including cleaning the soil pipe (for 1St and 6th floor) by removing the access door cover in the bend and refixing it after cleaning the pipe, pouring water until smooth flow including necessary earth work and making good damages if any to plinth protection Manhole etc., all as directed. Note:- Payment of blockage shall be paid again to the manhole if the blockage occurs after the interval of 15 Days.

Demolition of existing SWSG gully trap including PCC kerb etc and supply and fix SWG gully trap square mouthed 100mm size set in PCC (1:3:6) type C1 block measuring 450mm and 100mm thick bed concrete and jointing to drain pipe in CM (1:1) including 100x150mm high PCC kerb in (1:2:4) type B1 with CI perforated grating 150x150mm bituminous coated including disposal of waste/sludge complete all as directed.

Demolition of PCC around floor trap and dismantling existing floor trap and cleaning the blockage of pipe from floor trap to gully trap and supply and fix PVC floor/Nahani trap in existing pipe and embedding in CM (1:1) including lowering or raising with vertical piece with PVC pipe for jointing trap and fixing gratings at true level of floor complete all as directed.

Removing / Bailing of sewage water the septic tank of various capacities and disposal outside MD land including cutting and removing all vegetable growth plants etc in around septic tank and filter bed etc and removing debris outside MD land.