HomeMy WebLinkAboutSite Plan - Conservation (97) TOWN OF SOUTH WINDSOR
INLAND WETLANDS, WATERCOURSES AND CONSERVATION APPLICATION
Application# 65`q Date Received OS-
INSTRUCTIONS
1. Fifteen applications (15) with map and plans (2 copies) shall be submitted together with the
fee set forth in the Inland Wetlands, Watercourses and Conservation Regulations, Town of South
Windsor. (See Regulations, Section VII—X)
2. The South Windsor Inland Wetlands, Watercourses and Conservation Regulations should be
reviewed with respect to the standards and criteria for application Evaluation. (See Regulations,
Section VII—X)
3. The applicant understands that this application is to be considered complete only when all
information and documents required by the Agency have been submitted. The applicant shall
also complete the state filing form.
A. Applicant's Name: Birch Mountain Earthworks, LLC
RECEIVED
Address: 1265 John Fitch Boulevard, South Windsor, CT 06074
Phone: (home)289.1656 (fax)289.7316 JUN 14 2005
South Windsor
INLAND WETLANDS AGENCY
B. Legal owner's name: Mack Properties, LLC CONSERVATION COMMISSION
Address: 1265 John Fitch Boulevard, South Windsor, CT 06074
Phone: (home)289.1656 (fax)289.7316
(List additional owners, addresses, and phone numbers on back of application)
C. If the applicant is not the owner of the subject property, a letter by the owner(s) authorizing the
proposed regulated activity set forth in the application must accompany this form and will be
part of the application.
D. Project Name(if any): Birch Mountain Earthworks
1. Contact Person(if further information is needed)
Galen Semprebon, Design Professionals, Inc. 291.8755, fax 291.8757
E. The geographical location of the property which is to be affected by the proposed regulated
activities including a description of the land in sufficient detail to allow identification of the
property on the Inland Wetland and Watercourse Map.
Assessor's map#97 Parcel#16, 17, 18 Zone: I(Industrial)
F. Names of all abutting property owners from records in Town Clerk's office. (use separate sheet
if necessary)
See attached.
G. Have you notified all abutting property owners (from records in Town Clerk's office) by
certified letter that an application is pending before the Agency?
Yes.
** (you are required to supply a copy of the letter with the list of the names of the
abutters).**
H. Purpose and description of all proposed regulated activity(s) including amount of disturbance in
square feet and types of fill and the time element involved:
Wetlands Impacts = 200 sq. ft. for installation of riprap at culvert outlets. Total Impact within
upland review area= 0.94 ac. For installation of building, paved and gravel yard areas, grading,
storm drainage and water quality basins. All fill to be clean fill. Total construction=6 months ±
(Phase I).
I. A class A-2 map of the property drawn to 1" = 40', showing the area to be developed, extent of
the wetlands and watercourses affected, topography, existing and proposed activities and names
and locations of adjacent property owners must be submitted.
J. Amount of regulated area disturbance and types of fill(including wetlands and regulated buffers).
See H above.
K. Acreage of wetlands and watercourses in regulated areas to be altered:
200 sq. ft.
L. Acreage of wetlands and watercourses to be created: 0
M. Lineal feet of proposed stream alteration: 0
N. Total land area of project and percentage which is wetlands: Site area=6.06 acres
Total area of wetlands= 1.29 acres
O. Identify all other permits or approvals that have been issued, applied for, or required with respect
to the proposed activity set forth in this application. (These may include but not be limited to,
local Planning & Zoning, Zoning Board of Appeals, D.E.P., F.E.M.A., D.O.T., The Army Corps
of Engineers, and any other State, Local or Federal Permits.): PZC, WPCA, DOT
P. The applicant (or designated representative) hereby attests that a sign will be posted at the
following location(s): as directed by Town Staff
By Name: Peter DeMallie, Design Professionals, Inc.
on or before followin date: as directed by Town Staff
Signature: �{
These signs must be displayed continuously for at least ten (10) days prior to scheduled meeting
(see Regulations, Section 7.3a)
The undersigned hereby applies for the regulated activities listed in paragraph H above, for an Inland
Wetlands, Watercourses and Conservation permit for the property described herein and confirms
that:
1. She/he is familiar with the currently effective Inland Wetlands, Watercourses and Conservation
Regulations of the Town of South Windsor.
2. She/he understands that at any time during the review period, the Agency may require the
applicant to provide more information about the wetlands and/or watercourses in question and/or any
proposed activity.
3. All information submitted in the application for review shall be considered factual, or in the case
of anticipated activity, binding. A knowing failure of the applicant or any of her/his agents to
provide correct information, or performance exceeding the levels of activity anticipated, shall be
sufficient grounds for revocation of any permit under these regulations.
4. By making this application, the applicant gives permission to the Inland Wetlands, Watercourses
and Conservation Commission members and/or its representative to enter the portions of the
premises which are subject of the application for the purpose of inspection and investigation and
otherwise pvaluating the merits of the application both before and after a final decision has been
issued.
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civil engineers ♦ planners ♦ surveyors
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Dear Current Abutting Property Owner
Re: Application of Birch Mountain Earthworks, LLC
Kimberly Drive
South Windsor, Connecticut
DPI Project No. 2140
In accordance with regulations of the Inland Wetlands Agency and the Planning&Zoning
Commission, we are required to notify you that an application has been filed on the property
abutting yours and is subject to a hearing(s)by the Inland Wetlands Agency and Planning&
Zoning Commission. The applications and plans are on file with the South Windsor Planning
Department in the Town Hall.
As an abutting property owner you are invited to the hearing(s)to ask questions and/or
give comments, however, you are not required to attend. You may also submit written comments
regarding the application(s) prior to the meeting if you so desire. For further information
regarding the specific date this application will be heard, please contact Michele Lipe, Deputy
Planning Director, or Jeffrey Folger, Environmental Planner, at the South Windsor Planning
Department at 644-2511, ext. 252 or 229, respectively. Thank you.
Sincerely,
DESIGN OFESSIONALS, INC.
By: ,
Peter k DeMallie
President&Principal
165 South Satellite Road, South Windsor,Connecticut 06074
Tel: (860)291-8755•Fax: (860)291-8757
Email: dpicivil@aol.com
DESIGN PROFESSIONALS, INC.
civil engineers ♦ planners ♦ surveyors
gis ♦ gps ♦ landscape architects rr7
Direct Abutters JUN I
Birch Mountain Earthworks, LLC [`
Kimberly Drive INLAND M th windSOr
CONSERVATION COMM,,,,
DPI Project No. 2140
Maip Lot No. Property Owner Maflin2 Address
96 58 Andre L. &Andre K. Charbonneau 10 Abbe Road
96 59 Andre K. Charbonneau 55 Sandra Drive
96 63 South Windsor Land Conservation PO Box 415
Trust, Inc. East Windsor Hill, CT 06028
97 14 Ralph Mosher 308 Sandstone Drive
97 15 K&B Realty, LLC PO Box 958
Manchester, CT 06040
165 South Satellite Road, South Windsor,Connecticut 06074
Tel: (860)291-8755•Fax: (860)291-8757
Email: dpicivil@aol.com
Stormwater Management Plan RE
Birch Mountain Earthworks I
Kimberly Drive
South Windsor, Connecticut JUN 1 4 2��
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INLAND WETLANDS AC
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Prepared by
Design Professionals,Inc.
165 South Satellite Road
South Windsor, CT 06074
DPI Project No. 05-2140
June 9,2005
Table of Contents: Page#
Introduction 1
Existing Conditions 1
Proposed Development 1
Off-Site Analysis 1
Peak Runoff control 1
Nonstructural Drainage System 1
Erosion/Sedimentation Control Systems 1
Stormwater Runoff Quality 2
Conveyance System 2
Discharge at the Natural Location 2
Maintenance and Operation 2
Topographic Contour Maps 2
Floodplain Boundaries 2
Drainage Design 3
Storm Drainage Calculations 3
Conclusions 3
Introduction: Birch Mountain Earthworks is proposing to construct a facility on three
parcels of land located on the south side of Kimberly Drive adjacent to the Route 5 and
Kimberly Drive intersection.
Existing Conditions: The three parcels contain a total of 6.06 acres of land. The site is
presently wooded and contain some wetland areas. The land generally slopes down from
north to south.
Proposed Development: The proposed development of the site consists of the
construction of a 6,000 S.F. building with associated parking, paved access areas, and
gravel storage areas.
The three parcels of land are within an existing industrial park, and due to the location of
the industrial park within the overall watershed, detention facilities have not been
required.
Water quality measures are proposed for the site consisting of surface water quality
basins to collect runoff from the improved areas. These basins will provide settling areas
for sediment, and allow for infiltration of runoff as the soils allow. The basins will treat
the first 1"of runoff from the improved areas.
Off-Site Analysis: The three parcels of land presently drain to the existing wetlands and
watercourses associated with the wetlands, and will continue to do so under developed
conditions.
Peak Runoff Control: Due to the location of the development within the overall
watershed, peak runoff control is not required.
Nonstructural Drainage Systems: The site will make use of a number of nonstructural
measures to help control the storm-water on the site, and enhance the ability for
infiltration of runoff into the soil. The water quality basins will provide for the treatment
of the first 1"of runoff from the developed areas. Swales have been integrated into the
design where appropriate to control runoff.
Erosion/Sedimentation Control Systems: An extensive erosion/sedimentation control
plan has been developed as part of the site design. These measures include the following:
1. Installation of silt fence down-slope of disturbed areas.
2. Installation of silt fence around stockpiled materials.
3. Use of the water quality basins as sediment basins during construction.
4. Seeding and mulching disturbed areas as soon as practical during construction.
5. Limiting the areas of disturbance during construction.
6. Installation of construction entrance pads.
7. Maintenance of the above measures.
Stormwater Runoff Quality: A number of water quality measures have been integrated
into the site design to provide for treatment of the stormwater runoff from the site. The
water quality basins will treat runoff from the site via a permanent pool.
Conveyance System: The on-site conveyance system consists catch basins, and
associated piping that will convey the stormwater runoff to the eastern most water quality
basin. The other two water quality basins will collect runoff from overland flow. All
three water quality basins have pipes to discharge the runoff from the basins.
Discharge at the Natural Location: The site presently drains to the south to the
wetlands. Under developed conditions,the site will continue to discharge to the
wetlands.
Maintenance and Operation: The following maintenance operations will be required to
ensure the proper and efficient operation of the Storm Water Quality Basin System. The
following maintenance schedule is intended to be a minimum guide, and additional
inspections and maintenance measures may be required following large storm events that
could cause the deposition of excess debris in the system.
Pipe Outlet Locations: The pipe outlets and associated riprap should be
inspected annually and cleaned of silt and or debris. The riprap should be re-
shaped and replenished as required.
Catch Basins: The catch basins should be inspected annually. The sumps should
be cleaned when the depth of material within the sumps reaches 1'.
Basin Outlet: The water quality basin outlets should be inspected twice annually,
and all debris and silt should be removed. The discharge point from the outlet
system should be inspected also, and all silt and debris should be removed. The
riprap at the discharge should be re-arranged and additional stone added as
needed. All silt and debris should be disposed of at a suitable location.
Water Quality Basins: The water quality basins should be inspected annually.
All woody growth that could inhibit proper flow within the basins should be
removed. Excess debris that has been deposited within the basins should be
removed. Any erosion noted within the basins should be stabilized.
Topographic Contour Map: Topographic contour maps have been provided showing
the drainage areas for the site. The maps showing the existing and developed conditions
are included in the rear of this report.
Floodplain Boundaries: A small portion of the site is within the floodplain boundaries.
No filling is proposed within the floodplain. . One storm pipe discharge is proposed
within the floodplain.
Drainage Design: The site has been designed to provide water quality basins to treat the
first 1" of runoff from the developed areas, and stable pipe discharge locations for all
storm drainage discharges from the basins.
The development will drain to three water quality basins. Each basin has been designed
to contain the first 1" of runoff from the associated drainage area. The gravel storage
yards are assumed to be impervious (100% runoff from impervious areas, and 0 runoff
from pervious areas. A summary of the basin designs is as follows:
Basin Drainage Volume for Volume
Area* 1"of runoff Provided
Eastern 10,800 S.F. 900 C.F. 1,000 C.F.
Middle 17,450 S.F. 1,450 C.F. 1,450 C.F.
Western 50,500 S.F. 4,208 C.F. 4,700 C.F.
* Impervious areas only
Storm Drainage Calculations: The on-site storm drainage system has been designed for
a 10 year design storm utilizing the Rational method. The calculations for the piping size
are included herein.
Conclusions: The on-site stormwater system with the associated water quality basins
will mitigate any potential storm-water quality impacts from the proposed development.
JOB
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RECEIVED
am!; JUN 16 2005
HIGHLAND SOILSLLc INLANSouth Windsor INLAND AG
D WETLANDS AGENCY
CONSERVATION COMMISSION
June 9,2005
Mr.Peter DeMallie
Design Professionals,Inc.
165 South Satellite Road
South Windsor,CT 06074 CAS-l-%a p
RE. MA CK PR OPER TIES,LLC
KIMBERLYDRIVE
SOUTH*7NDSOR,CT
Dear Peter.
The inland wetland boundaries on the above-referenced property were field
delineated on May 4,2005. The wetlands were field delineated in accordance with the
standards of the National Cooperative Soil Survey and the definition of wetlands as found
in the Connecticut General Statutes,Chapter 440,Section 22A-38. I have reviewed the
plans prepared by your office and have found the representation of the field delineated
wetlands to be substantially correct.
The upland soils on the property were identified as belonging to the excessively
drained Windsor Series and the well drained Agawam Series. Areas within the uplands had
been previously disturbed by filling and grading activities.
The majority of the on-site wetlands are associated with Bancroft Brook and contain
poorly drained soils of the Rippowatn Series and very poorly drained soils of the Saco
Series. The isolated wetland in the center of the properly contained poorly drained soils of
the Raypol Series.
If you have any questions,or require additional:information,please call me at(860)
742-5868.
Ve trul yours,
John P.Ianni
Professional Soil Scientist
CPESC
cAdocoments and settings\highland soi1s\1et2005\102.doc
P.O.Box 337,Storrs,Connecticut 06268 (860)7A2-5868
MEMORANDUM
To: South Windsor Inland Wetland/Conservation Commission.
From: Jeffrey H. Folger—Environmental Planner/Conservation Officer
Date: June 23, 2005
Re: Appl. 05-42P Review of the proposed Birch Mountain Earthworks site plan at
Kimberly Drive. Plans dated 06/13/05
The project is to create an industrial building and raw material storage yard on three lots
within an existing industrial subdivision. Stormwater is proposed to be discharged into
three biofilters and then discharged to the adjacent wetlands. Proposed wetland
disturbance is estimated at 200 sgft, and disturbance within the URA is estimated at
40,900 sqft.
Site: The site is located in the Bancroft Brook watershed. The site is comprised of two
lots totaling 6.06 acres. Currently the site is a mid-successional mixed hardwood forest
with pole-sized(2-10")trees on the site. The understory is moderate with a diverse shrub
and sapling component. The site was cleared in the not so distant past. The site slopes to
the south. A tributary of Bancroft Brook and its associated flood plain occupy the
southern portion of the lots. This area is bordered by low(10 foot)terraces to the north
between the wetlands and the upland portion of the site.
The wetlands would be characterized as forested wetlands. They are a part of the wetland
corridor along Bancroft Brook that stretches from Route 5 to Main Street. Major
functions of this wetland system are flood storage, nutrient and sediment assimilation and
trapping, ground water discharge,wildlife habitat, and stormwater routing.
Detention was not planned for the subdivision and is not planned on the site, due to the
location on the watershed.
Stormwater quality is proposed to be addressed by creating three biofilters to accept
runoff from the site. Based on test pit data, lining the basins with clay is recommended to
insure adequate hydrology to support wetland vegetation.
Impacts: The soils listed on the site report are Windsor(BxB) 3 to 8% slope and
Agawam(AgA) 0 to 3% slopes. These soils have an erosion potential listed as low.
Perimeter controls appear to be adequate to contain sediments from construction
activities.
Two thirds of the site is proposed to have a gravel travel surface on it. There is a concern
that the southern edge , where it borders the top of the slope will become unstable over
time due to drifting traffic patterns. I have asked the applicant to propose a solution that
will anticipate and prevent gravel material and equipment from impacting the slope.
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1540 SULLIVAN AVENUE • SOUTH WINDSOR, CT 06074
SOR-CO� TELEPHONE (860) 644-2511
July 21, 2005
Certified # 70020460000197444248
Design Professionals, Inc.
165 South Satellite Road
South Windsor, CT 06074
RE: Appl. #05-4213 — Birch Mountain Earthworks
Dear Ms. Schuler:
At the July 6, 2005 regular meeting, the Inland Wetlands Agency/Conservation
Commission approved application #05-42P— Birch Mountain Earthworks — Lots 1-3
Kimberly Drive — IWA/CC application for the construction of an industrial building,
grading, utilities, and associated improvements on property located south of Kimberly
Drive and east of Sandra Drive. I, Industrial zone. This approval is subject to the
following conditions:
1. One blueprint copy of the entire set of plans and this letter reproduced thereon,
must be submitted to this Commission. This must be completed within 65 days
of approval prior to any construction activity on the site. Plans submitted to
Planning & Zoning Commission shall be considered having met this requirement.
2. The application shall indemnify and hold harmless the Town of South Windsor
against any liability, which might result from the proposed operation or use.
3. The permit is valid for five years and shall expire on July 6, 2010. It is the
landowner(s)/applicant(s) responsibility to track expiration dates and notify the
Commission of a renewal request at least 65 days prior to expiration.
4. All approvals required must be obtained and submitted prior to any activity on the
site.
5. A contact person shall be identified on the plans.
6. We recommend a bond in the amount of$5,000 be submitted to the Planning &
Zoning Commission to ensure compliance with the erosion and sediment control
measures.
Birch Mountain Earthworks
July 21, 2005
Page 2
7. We recommend a bond in the amount of$5,000 be submitted to the Planning &
Zoning Commission to ensure installation and establishment of the water quality
structures.
8. The biofilter areas must incorporate a clay liner to maintain hydrology.
9. A berm must be constructed along the south side of the interior roadway to
maintain the integrity of the slope.
10. A pre-settling area must be constructed prior to the western biofilter to trap
surface sediments.
Very truly yours,
c az�- ,�C�r
Elizabeth Warren, Chairperson
INLAND WETLANDS AGENCY/
CONSERVATION COMMISSION
EW:dr
cc: Chief Building Official
Birch Mountain Earthworks, LLC