Specifications for STP- Sewage Chlorination

Ref: Schedule of Rates MJP Pune Region 2012-2013

Chlorine Contact Tank
Designing, providing and constructing chlorine contact chamber of adequate capacity to deal with 1 DWF average
flow. The chlorine contact tank should be of30 minutes capacity during average flow to achieve 99.99%
coliform reduction. Chlorine dose shall be maintained as per standard provisions including designing, providing and constructing water supply arrangement for chlorination including providing dewatering and bypass
arrangements, jointing to final effluent main and outlet weir, etc. complete. The effluent quality should match with the standards laid down by Maharashtra Water Pollution Control Board and as per the obligatory provisions and detailed specifications and as directed by Engineer-in-charge


Chlorinator and Chlorinator Room / Tonner Room
Designing, providing and constructing chlorinators, vacuum type 2 nos. each having capacity of 10 Kg/hr as per
obligatory provisions and detailed specifications with necessary provision of chlorinator room having floor area not
less than 30 sqm including automatic residual chlorine controller with actuator and residual chlorine analyser including
cost of chlorine cylinder, piping, valves, measuring and controlling equipments, safety devices, lifting equipments, etc.
complete as per I.S.-10553(Part II)1982. The tonner room should have 3 MT capacity crane for loading and
unloading facility. Tonner storage should distinctly isolated and should be for minimum 10 tonners space and
arrangements as per gas laws 1981 and factory act shall be provided and all other matching amenities be provided, 5
MT gantry shall be provided for full length of tonner room at 6 M height from floor level, with outlet chamber and treated effluent outlet channel, etc. complete as per detailed specifications.