Fwd: Identification of apartment complexes for STP treated water

[Arbind Gupta]

FYI,

We are going to her office today noon for discussion with them. Madam is also planning to call BDA commissioner for a visit to lake and start the work. So things are looking quite positive as now we are moving to proper solutions.

Regards,

Arbind

---------- Forwarded message ----------
From: Harish Bhat <haris...@gmail.com>
Date: Wed, May 24, 2017 at 9:36 AM
Subject: Re: Identification of apartment complexes for STP treated water
To: Venkatesh Patil <vrpa...@gmail.com>
Cc: Arbind Gupta <arbind...@gmail.com>, Tejaswini Ananthkumar <tejasw...@gmail.com>, veena hegde <veen...@rediffmail.com>

Dear Dr. Arbind,

Good to see the detailed report! I went through it in detail. The STP functional apartments looks less in number, which was thought to be a good feeder along with storm water into the Arakere lake. However, getting more information on number of apartments around the lake up to 1 km, might help to estimate and practically channel the available STP water into the lake. I am trying to get more information from my colleague on storm water available to Arakere lake from catchments. We can sit with more calculations and finally arrive at possible implementations. We can discuss in detail.

Regards,

Harish Bhat

On Tue, May 23, 2017 at 8:00 PM, Venkatesh Patil <vrpa...@gmail.com> wrote:

Dear Arbind

Thanks very much for the very comprehensive report prepared. Gives all the good insights.

Few of my observations are :

1. As STP water from the studied (so far) apartments does not meet the daily need of 1.5 MLD, need to look at potential other apartments. How about looking at any large apartments blocks near inlet 5 & 6. Are there any ? Also can we look at other apartments even thought they are beyond 500 mts from the lake. 

2. There is an STP plant  at Hulimavu lake. We can look at getting the STP treated water from Hulimavu to Arakere. Do you have any numbers/quantity, how much of this could meet the requirements of Arakere lake.

 3. As both Storm water drain and rain water are not 100% reliable, need to take lowest numbers for calculation to meet the need.

We can wait for Madam and Mr. Harish Bhat to study and comment.

warm regards

Venkatesh Patil

On Tue, May 23, 2017 at 7:25 PM, Arbind Gupta <arbind...@gmail.com> wrote:

Dear Madam,

It seems there has been some error from my side and the mail had not gone. That is why I was wondering as to why there is no response to the mail from any one.

Please find a report on availability of treated STP water from nearby complexes. The report also covers need analysis, other sources of water to Arakere lake and possible solution.

I hope this report will help us take a clear decision on water management approach for Arakere lake. We can discuss it when we meet this week.

With regards,

Arbind

On Tue, May 2, 2017 at 6:45 AM, Arbind Gupta <arbind...@gmail.com> wrote:

Dear Prof Harish, Prof Venkatesh,

We had discussion among us and we have identified big apartment complexes around Arakere lake within distance of up to ~250 mtrs. We also formed multiple teams to explore these apartments and check the feasibility of using water from their STPs.

While the chances of locating at least a couple of them are very good, we have to also get confirmation of their mgmt. 

In the meanwhile, I have also written to my friends who were part of the team to share the guideline for use of STP treated water (as outlined by KSPCB), to provide details and any MoU / agreement, as well as monitoring mechanism. I have also requested Usha from Puttenahalli and Kavitha from Agara lake to provide details of actual implementation ,volume of water needed etc.

However, we should also explore alternative options if this does not workout. The other two options I see are - (i) installing an STP at lake but that, as we discussed, is not a workable options in the long run; (ii) design inlet such that only overflow water during rain enters the lake. This option is feasible if the diversion of major part of sewage is done into UGD. That will  reduce sewage amount by 60% of what it is today and that will get further diluted with rain water. This water can be treated to a fair degree with bio-remediation. So knowing the volume of sewage now, the amount of sewage that will be diverted into UGD and volume of rain water in its upper area is an important data that we should collect.

Regards,

Arbind

[Arbind Gupta]

It looks like that both Venkatesh and Harish are supporting the idea of looking at apartment complexes beyond 500 mtr. I think we should have one more meeting to explore them.