IWWC 9-1-11 Special Meeting Minutes - The Town of Columbia

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TOWN OF COLUMBIA




INLAND WETLANDS AND WATERCOURSES COMMISSION





SPECIAL
MEETING MINUTES AND MOTIONS








Adella

G. Urban Administrative Offices Conference Room








323 Route 87, Columbia






Thursday, September 1, 2011


7:00 p.m.








UNAPPROVED









Members Present:

Chairman John Allen;
Tip Garritt; Carol Ann Jaswin
ski; Ian Dann; William Ross; Ron
Wikholm


Members Excused
:

Vice
-
Chair Tom Archambault


Staff Present:

Wetlands Agent John Valente


Also Present:

First Selectman Carmen Vance; Walt Tabor; Kerry Hoffman; Nancy Tabor; John Felice; Norman
Thibeault, P.E. wi
th Killingly Engineering Associates; Wayne Credit; Lawrence Buck, P.E. with Buck & Buck
;
Albert Lesage; Linda Sanford


Call to Order:



J. Allen called the

special
meeting to order at 7:
03

p.m.

Roll Call:

There was
a

quorum.

Audience of Citizens:

None

1.

New
Business:

There was no new business to take under consideration.


2.

Old Business:

2.1


I
WW
-
1112
-
01:
Determination of jurisdiction for application of Walter A. Tabor for a

subdivision of property and development of twelve residential building lots

on Edgarton

Road at the intersection with Thompson Hill Road, Assessor’s Map 6, Lot 57 in a RA Zone

on 31.9 acres.



The Board received revised site plan for the Hunter’s Ridge subdivision. The revised plan

added a sedimentation chamber. Level spread
ers are to be built early in the

construction

process. The plans for the level spreaders are not available. Corrections have been made to the site

plans. Pre
-
chambers have been added
to the plan
and each lot has a rain garden.


J. Valente said, until
our Town engineer stating that the design of the detention basins will handle the
flows that are occurring there, he does
n’t

believe the Commission has enough information to make a
decision on jurisdiction. Town Engineer Thomas Fenton has not reviewed the

100 year storm event
analysis he recently received in order to make his report.

J. Valente said the Commission should look
for some agreement in writing from W. Tabor to extend the 35 day period for rendering a jurisdictional
ruling to the next regularly

scheduled meeting.


2.2

Wetlands issue at 276 Route 66:


J. Felice
submitted a letter to the Commission dated August 9, 2011

with
has had a discussion with
N.
Thibeault and they are in agreement with most of
the information he had previously submitted. They
are waiting for a reaction from the Commission and looking for remediation.


J. Valente has tried to speak with everyone concerned
. He couldn’t get to the site during the last rain
event.


L. Buck, repr
esenting C. Hamilton, prepared plans for C. Hamilton and described how the first plan
directing the water down Hennequin Road dated May 2009 was rejected by the town.


J. Valente said the revised plan shows an 8” pipe reduced from 18” in the original pla
n.



IWWC 9/1/11 Minutes



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2


L. Buck informed C. Hamilton that if she wanted to really dry up the horse paddocks
the drain would
need to get down into the hardpan.
He each section

of the drain
started with an 8” pipe and then upon

examination, it became apparent that the permeability of the natural soil could not carry a significant
amount of the rainfall

wh
ich
meant surface
runoff.
That is why it is designed as a surface intercepting
trench as well as a groundwater intercepting t
rench. The pipe starts as a
n

8” pipe, then goes to a 12”,
15” and finally a 18” pipe at the outlet.

L. Buck said the amount of water flow is not increased at the
outlet

from when it was a swale

but the rate of flow is faster.



L. Buck was interested
where the water goes when it reaches the road at the catch basin where there
is a 24’’ inlet. Upon observation, he said there is a broad swale that gets down near the end of the lot
that dives into a rip rap channel.


J. Felice said that swale is overflow
ing onto the Sanford property. He claims that the 1,000 feet of pipe
on the Hamilton property has improved the water flow but with no regard to where the water goes.


Norm Thibeault, representing A. Lasage, said he cleaned out the swale frequently. He e
ntered into the
record
,

photographs from a recent rain event.
A p
ossibility is to cap the pipe, reduce
the
opening
to 4”
and add rip rap as per J. Valente.




Discussion followed.
Two solutions will be tried: trying a restrictor plate at the pipe open
ing and
removing the stones at the end of the swale along Route 66.




L. Buck
will talk to C. Hamilton regarding removing stone at Route 66. J. Valente will contact the

DOT regarding the stone along Route 66 also.


On behalf of L. Sanford, J. Felice th
anked J. Valente for getting into this issue and there has been no
formal application before the Commission or a notice of violation and they appreciate the Board’s input.


2.3

Discussion of administrative approval, “no jurisdiction” rulings and removal of trees and
vegetations within the upland review area:
No discussion on this item.


2.4

Discussion regarding Land Use Boards meeting concerning development around Columbia
Lake:

J. Valente reported

t
he

group is coming close to
consensus on issues that need to be resolved,
like large houses on the Lake and the nutrient allocation worksheet
and a report will be issued. There
is a need for mitigation

spelled out in the zoning regulations.

The Commission would like a copy of the
report when it comes out.

3.

Audience of Citizens:

None

4.

Commission Open Discussion
:

No discussion.


5.

Administrative Report
:
J. Valente reported on
the two following administrative approvals:

5.1

IWW
-
1112
-
03: Administrative Approval for Edgar and Nicole Bernier to repair septic

system and build a garage in the upland review area at 24 Lake Road
.

5.2

IWW
-
1112
-
04: Administrative Approval for Catherine Hylwa and James Bucci to enlarge

deck and relocate stairs in the upland review area at 16 Samuel Hill Road
.

6
.

Adjournment:

C. Jaswinski

MOVED to ADJOURN the meeting at
8:56
p.m.

W. Ross SECONDED.


M
OTION CARRIED
6
:0:0.



The next regular meeting is scheduled for

October 3, 2011.


Respectfully submitted by Linda H. McDonald



IWWC 9/1/11 Minutes




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