From: 	David Margolis-Pineo
To:	Will Conway
CC:	Helen Donaldson;  John Emerson;  Philip DiPierro
Date: 	12/29/2014 1:46 PM
Subject: 	Re: Seaport Storm Drain Revision

Will,
 
I have reviewed your proposed layout of the 15" storm drain sewer and find it acceptable.
 
I would ask that you make a slight modification to DMH-3 and have the proposed 15" stub come in at a higher elevation.  I think the pre-casters can work with an invert elev of around 37 +.   If that storm drain continues up Hancock, it doesn't need to be that deep.  Thanks

>>> Will Conway <wconway@sebagotechnics.com> 12/29/2014 12:01 PM >>>

Hi Dave – Unitil recently re-painted the location of its gas mains near the project, which we located by survey. We then noted a conflict between the gas main and the storm drain running between DMH- 2 and DMH – 3. The attached drawing shows holding the location of DMH – 2 as approved, and shifting DMH – 3 slightly uphill on Hancock Street. Please review and let me know if this is acceptable to you. Thanks and happy new yaer !
 
Will

 
William T. Conway, RLA, LEED-AP
Vice President, Landscape Architecture

 
www.sebagotechnics.com
An Employee Owned Company
 
Office:    207.200.2100
Fax:        207.856.2206
 
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