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Plan Commission approves A&N Contracting site plan with stormwater conditions
Summary
The City of Hartford Plan Commission recommended approval of a site plan for A&N Contracting at 1320 C.T.H. U but required corrections to stormwater modeling, an onsite soil investigation and specific architectural changes before construction permits are issued.
The City of Hartford Plan Commission voted May 11 to approve a site plan and architectural review for A&N Contracting LLC’s proposed contractor yard at 1320 C.T.H. U, subject to staff conditions that address stormwater modeling, construction documentation and building materials.
City Planner Jacob Maas presented the staff report and listed technical conditions that must be met before issuance of permits. Maas said the applicant’s stormwater model currently reports just over an 80% total suspended solids (TSS) reduction—the city’s ordinance minimum—but that apparent data-entry errors mean corrected modeling could show only about 72.2% TSS reduction. He told the commission that the pond entry erroneously used a 6 cfs maximum inflow setting instead of a six-foot starting depth, that the pond water surface was omitted as a source area, soils classified as HSG C must be modeled as clayey textures, and an impervious driveway area needs to be modeled as connected. Maas also said directing runoff from the northeast corner into the pond could improve rate control but would require roughly 400 feet of 12-inch pipe to connect on-site swales.
Maas said the applicant must provide an onsite soil investigation in accordance with CPS1002 to support any claim of exemption from infiltration requirements, inlet-capacity calculations showing 100-year flows are captured by the storm sewer, confirmation that roof drains convey to the shown connection points, and full construction plans and a long-term BMP maintenance plan. He also listed architectural conditions, including a masonry base raised to 42 inches and wrapping materials around corners where façade materials change.
Tony Monfre of A & N Contracting told the commission he had no objections to the conditions listed by staff. Member Scott Henke moved to approve the plan with staff comments; Dave Piquett seconded and the motion carried.
The commission’s approval is a recommendation or conditional site-plan approval; applicants must submit corrected engineering models, the soil investigation and detailed construction plans to satisfy the conditions before final permits are issued.
