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Planning commission approves Chapman minor subdivision with drainage controls
Summary
The Bedford Planning Commission approved a minor subdivision of Lot 1 in the Chapman Minor Subdivision, creating two roughly 0.59-acre lots and requiring a 10-foot drainage easement, a 2½-foot berm and a 6-inch orifice pipe intended to keep post-development runoff at current levels.
The Bedford Planning Commission voted to approve a minor subdivision of Lot 1 in the Chapman Minor Subdivision, permitting the lot to be replatted into two parcels that the applicant said will each be about 0.59 acres in size. The approval followed a presentation from the applicant’s engineer and a brief round of technical questions.
Travis Norman, of TNG, described the proposal as a straightforward replatt of Lot 1 into Lot 1A and Lot 1B, each with about 83.55 feet of road frontage. Norman said the plan includes a 10-foot-wide drainage easement running through the middle of the property and a 2½-foot-high berm with riprap on the front and a 6-inch orifice pipe at its base. "Once the homes are built, the runoff will be the same as what it is today," Norman said, saying he modeled a 100-year flash flood and found the water would approach to within about 0.5 foot of the berm top, so the added height provides a margin of safety.
A commissioner asked whether the berm could be overtopped in a worst-case event; Norman replied that his calculations showed the 2½-foot berm would provide roughly a half-foot buffer under the modeled 100-year event and that the construction detail on the plan (two feet from top of pipe plus the 6-inch pipe) yields the stated 2.5-foot height. The applicant also told commissioners he sent eight notices to surrounding landowners and received no comments.
After questions, a commissioner moved to approve the minor subdivision and the commission voted in favor. Chair noted the item will proceed to the Board of Works (the next step in city review). The approval includes the drainage easement and the berm/orifice detail as described by the applicant.
The approved plan requires the developer to construct the drainage features shown on the submitted drawings; the commission did not add special conditions beyond the presented drainage controls. The applicant and commission said the item will advance to the Board of Works for further action.
