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Cooper City planning board adopts narrower construction hours and credits engineered pool drains for impervious-area calculations
Summary
The board adopted two code changes: construction hours will be limited to 7 a.m.–7 p.m. (previously until 9 p.m.) and engineered pool overflow/down-drain designs that safely route rainfall subsurface may be credited as 50% impervious area for zoning calculations.
Cooper City's Planning & Zoning Board on Nov. 3 adopted two code amendments intended to reduce neighborhood impacts from construction hours and to clarify how certain pool drainage designs count toward impervious-surface limits.
The first amendment reduces allowable evening construction activity from 9 p.m. to 7 p.m.; the new operation window is 7 a.m. to 7 p.m. Board members discussed enforcement and said code enforcement and regular site inspections would follow up on complaints.
The second amendment changes how pools are treated in impervious-area calculations when they incorporate an engineered overflow or subsurface drain that prevents routine overflow during storms. Under the adopted wording, pools with a properly designed subsurface overflow system may be credited as 50% impervious area (for example, a 500-square-foot pool would count as 250 square feet for impervious-area calculation purposes) if the engineering demonstrates the system prevents overflow and percolates water safely beneath the pool footprint.
Why it matters: Impervious-area limits are used to manage drainage and stormwater impacts; this amendment offers property owners more design options for larger pools if engineers can show the subsurface drainage prevents overflow and the county/municipal standards are met.
Board discussion and safeguards
Members asked technical questions about the design and potential geotechnical issues, including soil density and sinkhole risk. Staff responded that those risks are matters for the engineer of record to design around and that permit review would require appropriate engineering documentation. The board noted a similar prior amendment for permeable paver installations and treated the pool rule as an extension of that practice.
Votes and implementation
Both code amendments were adopted by the board (voice votes). Staff said enforcement would be complaint-driven and handled by code enforcement in coordination with building-permit reviews.
Ending
Applicants proposing pools with subsurface overflow designs must provide engineered details at permit review; building-permit issuance and the site-specific engineering review will determine whether the 50% impervious credit applies.
