HomeMy WebLinkAboutApplication Files_82693_pg0896 Jeffery Doolittle, PE
Project No.: 72189.00
April 16, 2010
Page 4
Comment 15: The utilities are very close together along Studio Buildings 2;3 and the entrance from
Ellington Road south of the Guard House.In a 10 foot wide section there is
underground water,electric,telephone,data,fire,water and possibly other utilities.
These utilities will be difficult to construct and maintain.I suggest they spread out
more.
Response: As directed by the Client,VHB designed the utility corridor to be compact,with
telephone,data,fire,and electric contained within a single duct bank and water and
sewer separated by a minimum of 10 feet. The General Contractor is aware of the
construction difficulties associated with the narrow utility corridor.
Comment 16: Change all the 4"sewer laterals to 6"laterals outside the buildings per Town
standards.
Response: Per approval from the Sewer Commission,laterals may be 4 inches,where appropriate to
encourage cleansing velocities.
Comment 17: Provide estimated flows for the 3"sewer force main for future development.
Response: Estimated flows for the force main(peak:2.58 CFS)have been included in the technical data
supplement already submitted to the Town. VHB has performed estimated sizing calculations
for the force main and will upgrade from a 3-inch to a 4-inch line.
Comment 18: Label sanitary sewer pipe slopes on the plans.
Response: The plans have been updated to include sewer pipe slope. All pipe crossings have been
designed to provide at least 8 inches of vertical separation.
Comment 19: Show a profile of the utility pipes including sewer,storm drainage,water and others
to insure there are no conflicts where these utilities cross.
Response: VHB has checked all utility crossings to confirm that no conflicts are present.
Comment 20: There are two trees shown near the electrical switchgear manhole that look like they
should be relocated to avoid conflicts.
Response: The location of the trees will be discussed with Connecticut Light and Power to determine
necessary clearance of the switchgear.
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