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HomeMy WebLinkAbout26IWC4 - Butlertown Rd - Staff Report 2 4-16-20261 H:\IWC\Applications\2026\26IWC4 - Butlertown Rd (Road Improvement project, regulated activities)\Staff\26IWC4-Butlertown Rd - Staff Report 2 4-16-2026.docx MEMORANDUM FOR THE RECORD APPLICATION# 26 IWC 4 REGULAR MEETING – THURSDAY, APRIL 16, 2026 Prepared by Stacy Radford, Zoning & Wetlands Officer Applicant/Property Owner: Town of Montville Address: Butlertown Road (Parcel ID: N/A), Oakdale, CT Submitted: March 10, 2026 Date Received by IWC: March 19, 2026 (DRD – May 23, 2026) Applicant Request: Regulated activities with the upland review area in conjunction with a roadway improvement project. Activity Description: Wetland Disturbance Area 0 SF (Per Applicant) Watercourse/Waterbody Disturbance Area 0 LF (Per Applicant) Upland Review Disturbance Area 2100 SF (Per Applicant) STAFF COMMENTS IN REVIEW: • This Application is for regulated activities within the upland review area in conjunction with a roadway improvement project for a portion of Butlertown Road from the Waterford town line in a northerly direction approximately 2,000 ft into the Town of Montville. • The section of proposed work encompasses a portion of Butlertown Road consisting of single- family homes, industrial buildings, parking and staging areas. • The Applicant indicates that the roadway is in poor structural condition and contains very narrow sections. Flat grades cause poor drainage and localized ponding. This project will utilize full- depth reclamation of existing asphalt roadway with localized widening to achieve a standard 22’ cross section. • The Applicant also states that “the longitudinal profile will be improved and cross slopes formalized and driveway aprons will be restored and shoulders re-graded to promote positive drainage from the roadway.” • The Applicant points out that at the “northern limits of the project, a small portion of the improvements (2,100 sf) lie within the 50-foot upland review area of an inland wetland.” • The wetlands were delineated by Robert Russo, C.S.S. of CLA in 2024. • The Applicant states that the “portion of Butlertown Road to be reconstructed has no drainage system. At the northern limit of the project, an unnamed watercourse crosses beneath the road, via a 42 reinforced concrete pipe, and eventually drains to Latimer Brook. The stream is located at a low point in the road profile and receives roadway run-off from the south and approximately 100- feet to the north. Run-off from the roadway drains to the low point, leaves the roadway, flows down the embankment and enters to the watercourse on both sides of the road. Over time, this will lead to erosion of the embankment and undermine the guardrail posts that currently protect traffic from the steep slope.” • The Applicant proposes to install a “bituminous berm that will contain and channel the run-off to a low point where two catch basins will be installed to collect the run-off and prevent the flow of 2 H:\IWC\Applications\2026\26IWC4 - Butlertown Rd (Road Improvement project, regulated activities)\Staff\26IWC4-Butlertown Rd - Staff Report 2 4-16-2026.docx stormwater over the embankment.” The downstream catch basin will include a “hydrodynamic separator to trap sediment and hydrocarbons that ordinarily would have entered the watercourse.” • The Applicant then proposes vegetated swales (3’ wide by 1’deep), where shoulder grading allows, to receive run-off from the roadway. “The intent of the swales is to capture and infiltrate run-off from smaller storm events, that ordinarily, would run-off onto adjacent property or been conveyed towards the watercourse.” • The Applicant finally states that “construction stormwater and erosion and sedimentation measures throughout the work area will be managed by implementing erosion control devices including inlet sedimentation controls at new catch basin locations and silt fence and haybales provided and maintained downgradient of disturbed soils to delineate the limits of construction and protect the surrounding area from sedimentation. Provisions for seeding and site stabilization after construction are also included in the plans.” AGENCY COMMENTS: • Town Soil Scientist – No referral for comment was obtained being that this is a Town Project and all work has been reviewed and approved by the Town Soil Scientist, Robert Russo. NEW STAFF COMMENTS: • No new comments. CONSIDERATIONS FOR ACTION: If the Commission is inclined to approve the request of the Applicant for a permit for proposed activity, the following language for a Motion of Approval is suggested: After giving due consideration to all relevant factors including those in Section 10 and/or Section 6 of the Montville Inland Wetlands and Watercourses Regulations and Section 22a-41 of the Connecticut General Statutes, I move to approve Application #26 IWC 4 – Butlertown Road, Oakdale, CT – Owner/Applicant: Town of Montville for regulated activities within the upland review area in conjunction with a roadway improvement project, per the Application and associated documents submitted on March 10, 2026 and plan entitled, “Butlertown Road Improvement Project dated February 27, 2026”. Standard reasons for approval and standard conditions of approval apply. If the Commission chooses to deny said Application, reasons for denial must be stated.