CLEANING OF UG SUMPS, OVERHEAD TANKS AND DE-SILTING OF WELLS UNDER GE CHENNAI

Amount

M&L for cleaning of underground water storage sump of capacity 2 lakh Litres having one compartment by specialized water tank clean process as under and writing the details like 'Cleaned ON' and 'Sump Capacity' with white enamel paint over black paint background surface of size not less than 45cm x 30cm on Sump wall complete all as specified and directed. (a) Dewatering using submersible pump for bailing out water to dispose the min. level of dirty water from the tank. (b) Cleaning the tank/ UG sump bottom, walls and ceiling using high pressure water jet to dislodge the algae, calcinations, dirt etc., (c) Disposing the dirt water sludge etc., using specially designed sludge removal pump. (d) Cleaning the tank inside thoroughly by using industrial grade vacuum pump to make the tank inside free from dirt, algea and sludge etc., (e) Treating the inner side of walls, bottom, ceiling of tank including all nooks and corners by using and spraying anti bacterial agent such as Hydrogen peroxide (bio-degradable) for disinfection of tank inside. (f) Total disinfection and sterilisation of tank by exposing to UV radiation to ensure hygiene and bacteria free for safe storage of water. (g) Apply a coat of white wash to the entire inner surface.

All as per item No. 1.00 above but underground water storage sump of capacity 1.5 lakh Litres.

All as per item No. 1.00 above but underground water storage sump of capacity 1.0 lakh Litres.

All as per item No. 1.00 above but underground water storage sump of capacity 75,000 Litres.

All as per item No. 1.00 above but underground water storage sump of capacity 50,000 Litres.

All as per item No. 1.00 above but underground water storage sump of capacity 25,000 Litres.

All as per item No. 1.00 above but underground water storage sump of capacity 20,000 Litres.

M&L for dewatering and cleaning of overhead water tank of capacity 1,00,000 gallon on 18m staging by specialized water tank clean process as under and writing the details like 'Cleaned ON' & 'Tank Capacity' with white enamel paint over black paint background surface of size not less than 45cm x 30cm on Sump complete all as specified and directed. (a) Cleaning the bottom & side walls of dome and ceiling using high pressure water jet to dislodge the algae, calcinations, dirt etc., (b) Disposing the dirt water sludge etc., using specially designed sludge removal pump. (c) Cleaning the tank inside thoroughly by using industrial grade vacuum pump to make the tank inside free from dirt, algea and sludge etc., (d) Treating the bottom of dome & side walls of dome and ceiling of tank including all nooks and corners by using and spraying anti bacterial agent such as Hydrogen peroxide (bio-degradable) for disinfection of tank inside. (e) Total disinfection and sterilisation of tank by exposing to UV radiation to ensure hygiene and bacteria free for safe storage of water. (f) Apply a coat of white wash to the entire inner surface.

All as per item No. 8.00 above but overhead tank of capacity 50,000 Litres.

All as per item No. 8.00 above but overhead tank of capacity 25,000 gallons.

All as per item No. 8.00 above but overhead tank of capacity 1,000 gallons.

Dewatering shallow well 4 to 6 metre diameter and upto 10 metre deep, desilting and disposing off the sand deposits at a distance n. exc. 500m away including cleaning the well thoroughly all as directed by Engineer-in-Charge including painting and writing details like date of cleaning, size of well etc. complete all as specified and directed. Note :- Pumping out water upto foot valve level will be carried out by MES. Further water to be bailed out and disposed off by contractor at his own arrangements.

KS CONSTRUCTIONS

RK ENTERPRISES

M/s.Jayam Constructions

SWIFTTECH ENGINEERS INDIA PVT LIMITED