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Commission approves stormwater modifications for Revere Commerce Center after Natural Heritage sign‑off
Summary
Representatives for the Revere Commerce Center described stormwater design changes including upsized pumps (from 1.3 to 7.4 CFS), a larger force main, and a slightly larger outfall; Natural Heritage concluded the changes are insignificant to prior determinations and the commission approved the modification.
Representatives for the Revere Commerce Center (Trident Logistics Center/ Revere Commerce Center) presented a request to modify previously approved stormwater controls, and the conservation commission approved the changes after review.
Scott Morrison of BHB introduced the applicant team and said the changes respond to on‑site construction challenges and cost considerations encountered during phase 1. Dan Ketches, a civil engineer with VHP, explained the principal revisions: increasing pump capacity from 1.3 cubic feet per second to 7.4 CFS, which reduced required detention volume; upsizing a force main section from 8 to 14 inches and combining flows to an 18‑inch line where the systems converge across the MBTA right‑of‑way; and enlarging an outfall by roughly two feet in each dimension to accommodate higher flows.
Ketches said the revised design reduced detention volume from about 330,000 cubic feet to roughly 126,000 cubic feet (a reduction of roughly 60 percent) by relying on the larger pumps and the new outfall alignment. He also said the team added a water‑quality treatment unit at the request of the engineering department. Natural Heritage reviewed the changes because the outfalls lie within rare‑species habitat and concluded the modifications were insignificant to its prior no‑take determination.
After commissioners asked operational and tenanting questions, a motion to approve the requested modification passed. The commission’s approval does not replace other required site‑plan review steps or utility approvals; applicants agreed to coordinate final details and agency reviews as the project proceeds.
