M/o W/s (Cleaning of UGR and Redevelopment of TW, Pea Gravel Sector-155 and 158), Noida.(AMC Two Years.)

Cleaning of U.G.R. I/e removal of nigne, fungous, sand, scrubbing with wire brush narial rassi, sweeping with jharu to give a clear surface, washing of Noor & walls Inside the tank i/e washing of vertical walls & columns, spraying on the inside of tank walls and celling non-toxle, blodegradable anti-bacterial agent license from Food and Drugs Administration (FDA) and certified by Govt. approved laboratory for non-toxicity of anti bactirial for tank cleaning as per OECD guideline 432 Dec'01 (Necessary certificate should be attached)

A) Mechanical Dewatering

B) The desillting and removal of dirty water and mud with mud removal pump

Jet. The help of equipment which create a pressure of 100 to 150 Bar with anti-bacterial agent license from Food and Drugs Administration (FDA) disinfecting the tank from all harmful Bacteria, Fungi, Algae & Protozoan the active ingredient shall be Banzalkonium Chloride solution IP 4% W/V. or Equivalent Similar compound as per the direction & approved by Engineer- in-Charge.

D) Desillting and removal of leftover dirty water and slude with sludge removal pump

E) Spraying on the inside of tank walls and ceiling non-toxic, biodegradable anti-bacterial agent certified by Govt. approved laboratory to disinfect the tank with dosing as per OECD guideline 432 Dec'01 (Necessary certificate should be attached)

F) Treatment of inside of tank walls and ceiling by exposing t Ultra Violet radiation to kill further suspended or floating bacteria if any.

Sector 155&158

Development of tubewell by air compressor having capacity of 350 cfm at over pumping plant unit. The capacity of compressor should be such that D/o may be done depresed water level 10 mtr. Or as may be approved by the E/I so as to get average yield of about 6000 LPM and making water reasonable sand free including 10 parts/million of water in colume within 15 minutes. The period of development by air compressor may be 100 hrs. may be stop earlier if required by the E/I or development of well.