REPAIR TO SEWAGE LINES MANHOLES AND CLEANING OF SEWAGE LINES AND SEPTIC TANKS ETC AT ZONE B MADURAVOYAL SAF GAMES VILLAGE NCB TS AVADI NSD INAS 313 AREA UNDER GE NAVY CHENNAI

Cleaning of septic tank of any capacity removing out the scum, silt residues both organic or inorganic type and removing the sludge etc to a distance up to the veh complete all as specified and directed by Engr-in-Charge.

M&L for lifting of night soil with water using suitable pump attached with vehicle having tank of 10,000 liters capacity from septic tank ,soak well & manholes ( or from any other location as per direction of Engr-in-charge) and removing to suitable place out side MD land (Authorized civil location) Notes: (i)The above rate is inclusive of one driver with two man power with and including pumping arrangement attached to vehicle of ten thousand Liters capacity (ii)The above rate is inclusive of sucking pipe (upto 50m length) from place of lifting of night soil with water to pump attached with vehicle) (iii) In case vehicle is not arranged as per direction of Engr-in-charge, recovery at double the market rate or double the CA rate whichever is higher will be made

Cleaning/ maintenance of sewage system consisting of sewage lines of various sizes, floor/Nahani/gully traps, water closet of various sizes in buildings including removal of blockage/logging in sewage lines by by means of opening the oval access door, rodding complete and slightly cleaning the pipe with clear water and closing the oval access and stacking the silt/ sludge and removing from site at the distance exc 100m but not exc 750m located at Zone B all as specified and directed by Engr-in-Charge for the following: Note:- In case Daily manpower is not arranged as per direction of Engr-in-charge, recovery at double the market rate or double the CA rate per day whichever is higher will be made

(a) CI/PVC vertical pipe 150/160 mm bore fixed to wall

(b) CI/PVC vertical pipe 100/110 mm bore fixed to wall

(c) CI/PVC vertical pipe 75 mm bore fixed to wall

(d) CI/PVC Horizontal pipe 75 mm bore laying in ground / floors

(e) CI/PVC/RCC Horizontal pipe 100/110 mm bore laying in ground / floors

(f) CI/PVC/RCC Horizontal pipe 150/160 mm bore laying in ground / floors

(g) CI/PVC/RCC Horizontal pipe 200 mm bore laying in ground / floors