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Board approves after‑the‑fact waivers for Riverview houses found in mapped flood area
Summary
The ZBA granted waivers and approved the as‑built locations of two single‑family residences at 46 & 58 Riverview after a survey showed porch posts and lowest adjacent ground are above the Base Flood Elevation, removing the need for a professional engineer's floodway certification.
The Ferrisburgh Zoning Board on May 6 approved waivers and accepted the as‑built locations of two single‑family residences at 46 and 58 Riverview after reviewing new survey data. ZA Katie Hill recounted that a prior approval in 2020 required a Letter of Map Amendment (LOMA) and that several building plan iterations and porch locations in the permit file led to uncertainty about the approved footprint. A spring inspection for a Certificate of Compliance revealed porches and decks built within the portion of the parcel that remained mapped in the floodplain.
The board examined newly submitted survey data from a licensed surveyor, which showed the lowest adjacent ground at the porch posts is above the Base Flood Elevation. Because the as‑built porch posts are above the BFE, the project did not require the professional‑engineer certification of floodway impact. The board voted to approve waivers for the front and rear setbacks and to accept the as‑built locations that include the front few feet of the north house and porches/decks of both houses. Prospective buyer Ben Beaudoin attended by Zoom to observe; no public opposition was recorded at the hearing.
