Abita Springs commission defers Avita Meadows final plat after hours of debate over sewer capacity and developer obligations

The Abita Springs Planning & Zoning Commission on Thursday deferred a decision on the Avita Meadows final subdivision plat after a multi‑hour hearing focused on sewer capacity, failed pump‑station tests and disagreement over work required by the development agreement.

Town and consultant engineers told the commission that several infrastructure tests have been completed but that a key lift‑station functional test failed because 1½‑horsepower pumps were installed where the approved system plans specified 5‑horsepower pumps. The engineer said the pumps and associated discharge rates “did not match the manufacturer's curves” and that a retest was scheduled for the following Tuesday. The engineer also listed outstanding punch‑list items including erosion control, buried wiring, hydrant reflectors, site lighting, an access drive and required documentation for pump and control panel manufacturers.

Why it matters: Engineers reported that pipes carrying wastewater from Avita Meadows into the town system lack sufficient capacity in places, producing overflows at manholes during wet weather. That shortfall means the commission must weigh whether to require the developer to build a 12‑inch force main now, push the town to fund and build bypass capacity such as a new Keller Street lift station, or accept interim measures such as monitored pump‑and‑haul service while long‑term upgrades are planned.

Town engineer: "The capital cost of extending that force main is uh $2.031 million," the town engineer said, describing a bypass option that would run from the subdivision discharge point to the wastewater treatment plant. He also explained that replacing constrained gravity pipes to solve the problem would be costlier and more disruptive to neighborhoods.

Developer response: The developer's project manager, Adam Henning, said the developer has addressed many punch‑list items and will provide bond values and documentation for remaining work. Henning defended the smaller pumps installed for phase one and said field testing showed each 1½‑horsepower pump was capable in some tests of much higher flow; he asked that major, multi‑month works such as installing a 12‑inch force main not be required on a 90‑day performance bond.

Henning said in part: "The lift station currently has two 1 and 1/2 horsepower pumps installed. Field testing showed that each one and a half [...] pump is capable of pumping over 200 gallons per minute." He and the engineer agreed to witness a retest next week and to document results.

Operations and interim costs: The town's wastewater operator told commissioners that interim pump‑and‑haul options exist but carry substantial monthly operating costs. "This could cost the town $10,000 a month. This could cost the town $60,000 a month," he said, describing a range depending on scale and duration.

Legal and contract issues: Commissioners pressed whether the development agreement requires immediate installation of the 12‑inch force main or whether its timing is governed by engineering justification. Several commissioners said the town must hold the developer to the written agreement unless both parties agree to a formal amendment. The developer said it would follow any written modification arrived at through negotiation.

Action taken: Because parties had not reached alignment on the remaining punch‑list items, pump testing results and the performance‑bond terms for long‑lead items, the commission accepted a voluntary deferral of the final plat to the town's next scheduled meeting (the developer requested a defer to Oct. 30). The motion to accept the voluntary deferral passed unanimously.

What happens next: The engineer will witness the pump retest and report results; the developer will provide proposed bond values and documentation for outstanding items; and the commission will revisit the final plat after the town engineer and attorney review bond language and test results. The commission also discussed parallel town projects (a proposed Keller Street lift station and potential state loan/forgiveness) to resolve longer‑term capacity problems.

Provenance: The hearing and technical presentation began with the zoning item for Avita Meadows and the engineer's report (introduced at the start of the zoning agenda) and continued through public comment and the commission vote to defer.