Cleaning and Disinfection of overhead water tanks at IOP

Amount

Cleaning of drinking water storage tanks/sumps by scrubbing the periphery wall surfaces, floors and ceilings with suitble high pressure jet sprayer to remove all mineral/biological deposits i/c any micro organisms, silts, sand, clay etc. and by spraying with jet sprays chemical lime/silver Nitrate/hypocholorite/Potassium permanganate/Iodine/Ethyl Alcohol diluted to permissible limit, rinse the surface of the tank with clean potable water and remove all wash water and sediments from all surfaces with vaccum and suction pumps and disinfect with low pressure spray with the internal area through HAB machine i/c dewatering the balance left over water in sumps(assume 60cm deep) before commencing cleaning of tank and final disinfections with UV radiations through UV light to destroy the floating micro organisms.

Overhead Tank of Capacity 5000 ltrs. To 20000 Ltrs.(new Hostel and Guest House)

Main Overhead Tank of RCC (30 mtr. staging)

Main Underground Sump

Overhead Tank of Capacity 500 ltrs. To 2000 ltrs. B(old) type Qtrs.-12 x 1000 C(old) type Qtrs.-4 x 1000 D(old) type Qtrs.-4 x 1000 E(old) type Qtrs.-4 x 1000 E-1/1 type Qtrs.-4 x 1000 IBL-2 x 1000 Mess-1 x 1000 VE type Qtrs.-5 x 1980 Old Hostel-2 x 1000 Office Main building-2 x 1000 Work shop front building-2 x 1000 IBL-1 x 1000

Overhead tank of capacity 2001 ltrs. to 5000 ltrs. II-B type Qtrs.-7 x 4862.22 III-C type Qtrs.-5 x 4044.20 IV-D type Qtrs.-5 x 4265.40 Workshop-1 x 2828 IBL-2 x 5000

Overhead tank of capacity 7500 and above

Efficiency Apartment

Guest House

Library

New Hostel

I-A type Qtrs.

Medical & Bank

Extension Building

VE type Qtrs.

IoP Block-B Building