20150402 Ver 1_More Info Requested_20150710

Strickland, Bev
From:
Devane, Boyd
Sent:
Friday, July 10, 2015 9:57 AM
To:
Justin Church
Cc:
Homewood, Sue; Strickland, Bev
Subject:
RE: Sketch Plan - Courthouse Dr. Extension #15 -0402
I will have to look at it more next week. I've got several projects in line ahead of this one. I think the system may be ok
but I will need some additional information.
1. 1 need to see the volume of runoff calculations and more information on the size of the basin to make sure that
2. 1 will need orifice sizing information to see the release rate
3. 1 will need drawing details of the outlet and emergency overflow structure for the basin.
4. You will need to delineate a drainage area adjacent to the road to show that a certain area will be protected at a
low density impervious percentage of 24% or less.
This is based on my initial look at your drawing and I may have a need for more information after I study the site and
proposed treatment structure in more detail.
From: Justin Church rmailto:iustin(abbrec.bizI
Sent: Thursday, July 09, 2015 10:51 AM
To: Devane, Boyd
Cc: Derek Goddard
Subject: Sketch Plan
:• •
Would you mind looking at this sketch plan of a bmp to handle stormwater based on our conversations last
week? This is sort of a hybrid plunge pool/dry detention basin. I could make it larger, but I would have to clear
a substantial amount of trees to do so. This detention basin would capture all runoff from the impervious road
surface that is being installed. In my opinion, this would be more effective than swales. Let me know what you
think. I can get you a more polished plan quickly if you think this concept will be acceptable.
Thanks
/jc
"Please note our change of address as of 2/1/2015.
Justin Church, PE, CFM
Principal Engineer
BREC, P.A.
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