MECHANICAL CLEANING AND DISINFECTION OF RCC WATER TANKS, UG SUMPS INCLUDING OVERHEAD TANKS AND CERTAIN ALLIED WORKS AT AGE B/R TUTICORIN UNDER GE (I) (CG) CHENNAI.

Amount

Supply and fix in repair/ replacement brass ball Cock (with casted body) float valve assembly with necessary fixing arrangements of size 25mm and including removing old one all as directed by E-in-Charge.

Cleaning the internal surface of UG sump by scrapping/brushing and removing all silt dust etc from walls,floors, clean with water and bleaching powder and applying one coat of lime wash to all Internal&external surface of sump and painting to lettering labels using black enamel paint and white the particulars such as capacity of sump, due date of cleaning etc with height of letter to match with the existing size complete all as specified and directed for the following capacities. (a) Sump 20,000 ltrs capacity

All as per item No.02 above but 50,000 ltrs capacity

All as per item No.02 above but 2,00,000 ltrs capacity

All as per item No.02 above but 1,00,000 ltrs capacity

Cleaning the internal surfaces of Over Head Tank at any height / staging by scrapping down/brushing and removing all silt dirt, algae etc from walls, floors, washing/ cleaning with water and bleaching powder and applying one coat of white wash to all internal surfaces, external surface of walls and ceilings complete for 50,000ltrs capacity all as directed.

All as per item No 3 above but 2,00,000ltrs

Material and labour for cleaning of RCC service water tank of any pattern or make by draining out the brackish / muddy water and applying bleaching powder in the bottom, side wall by and scrubbing and removing scale dirt and fungus with steel wire brush cleaning two time with fresh water and one coat of white wash, re-fix the PCC cover in proper and writing the capacity / date of cleaining with black and black and white paint complete all as specified and directed for the following capacity (a) Above 500 Litres but upto 1000 Litres capacity.

(b) Above 1000 Litres but upto 2000 Litres capacity.

(c) Above 2000 Litres but upto 3000 Litres capacity.

(d) Above 4000 Litres but upto 5000 Litres capacity.

(e) Above 7000 Litres but upto 8000 Litres capacity.

(f) Above 23,000 Litres but upto 30,000 Litres capacity.

Material and labour for cleaning of SINTEX service water tank of 250 ltrs of any pattern or make by draining out the brackish / muddy water and applying bleaching powder in the bottom, side wall by and scrubbing and removing scale dirt and fungus with brush cleaning two time with fresh water and from mouths of circulating pipes, etc. re-fix the cover in proper lock and writing the capacity / date of cleaining with black and black and white paint complete all as specified and directed.

All as per item No 5 above but exc. 250 ltr n.exc 500 ltr

All as per item No 5 above but exc. 500 ltr n.exc 1000 ltr

All as per item No 5 above but exc. 1000 ltr n.exc 2000 ltr

Kanns Project Management And Consultancy (BID ID -3230237)

SHRI AKSHAYA TRADERS (BID ID -3239085)

ARUVI CONSTRUCTION (BID ID -3239370)