Neighbors press board over retaining wall, water connections as 809 Sandwich Road hearing is continued

The Town of Falmouth Zoning Board of Appeals on the continuation of 05925 (Falmouth Residential LLC, 809 Sandwich Road) heard detailed engineering updates and extended public concerns before voting to continue the matter to July 30.

Brandon Barry of Merrill Engineers told the board the applicant proposes an on‑site wastewater treatment system designed for about "9,000, gallons per day," keeping the project under the 10,000‑gallon threshold that would trigger a state groundwater discharge permit. He described gravity collection to a 20,000‑gallon septic tank, a series of denitrification tanks on a DEP approved IA list, and a pressure‑dose dispersal field. He said the Board of Health will conduct final review after zoning approvals.

Barry also summarized stormwater work: a system of deep‑sump hooded catch basins, proprietary water‑quality units and subsurface infiltration chambers intended to handle runoff on‑site, with models showing drainage within the required 72 hours and treatment meeting TSS removal requirements. He said the town’s peer reviewer (CEI) had sent a January letter indicating prior comments were addressed.

Neighbors and board members raised several design and neighborhood‑impact questions. Abutters challenged a planned engineered retaining wall that will be roughly 7 to 7½ feet high with a fence on top, arguing the wall and fence will present a large exposed face to adjacent yards. A board member asked how work near the property line would be confined to the applicant's side; the applicant explained how segmental block walls are built from the applicant's side and said the visible finish will face the neighbors.

Residents also pressed the applicant on water infrastructure. Multiple speakers noted a dead‑end water main feeding the last units and asked whether the main will be looped or routinely flushed; Barry said the team will "look at our options for looping the water system" with the water department and MEP engineers and will report back.

Other issues the board asked the applicant to supply by the next hearing included building heights, deck and porch dimensions, closet/storage layouts for units, and missing pages in the applicant response packet. An abutter asked who will manage the property; Jack Golley of Northland Residential said his company would own and manage the development and handle construction and leasing, and that a third‑party lottery agent will administer the affordable units as required by state rules.

Following public comment and board questions, Vice Chair James Moss moved to continue the 05925 hearing to July 30 at 6 p.m.; the motion passed by voice vote. The board requested revised architectural and landscape plans to show buffering, retaining‑wall details and storage/porch dimensions in advance of that session.

The board’s decision to continue preserves time for additional peer review and for the applicant to provide requested materials. The hearing will reconvene with updated plans and additional technical responses.