How much will 120 KLD STP cost without civil work? What will be annual maintenance cost? How to obtain reduction in water costs?

Please clarify the following:
1. Cost of 120 KLD STP without Civil work
2. Cost of 120 KLD STP with Civil work
3. Annual maintenance cost of STP (cap. 120 KLD)
4. I read in STP Guide (published by Karnataka Pollution Control Board) - according to this guide, the cost of water reduces 60-70%. I want to know how to get 60-70% reduction in water cost.
5. Electricity cost of running in a day (24 Hrs).

Kindly give me the details as soon as possible

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