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CDD engineer, Premier Lakes report on stormwater, grates and lake maintenance after Tropical Storm Debbie

River Ridge Community Development District Board of Supervisors · August 27, 2024
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Summary

District engineer Charlie Krebs and Premier Lakes reported the stormwater system reached capacity during Tropical Storm Debbie after nearly 8 inches of rain in places; MRI inlet-grate replacement is about 80% complete, and Premier Lakes increased service frequency during the rainy season and removed storm debris ahead of the storm.

District engineer Charlie Krebs and Premier Lakes representative Bill Kurth updated the River Ridge CDD board on stormwater system performance and lake maintenance following Tropical Storm Debbie.

Krebs reported that parts of the community received almost 8 inches of rain in two to three days and that roads are designed for about 5½ inches of rain in 24 hours; he said the stormwater system "flowed unobstructed although the system reached its capacity." He recommended that The Club consider adding a drainage connection to Lake E1-A to allow water to bypass pipes and inlets during extreme events and said he would follow up on MRI’s schedule for the asphalt patch related to Pinehurst valley gutter grate replacements (MRI is about 80% complete on grate replacement).

Bill Kurth of Premier Lakes said the lakes "appear to be in very good shape," that preserves and dry-retention maintenance is underway and that crews removed fallen trees from the Florida Power & Light ditch and outfall structure prior to the impending tropical storm. He also said Premier changed service frequency from quarterly to monthly during the rainy season and that repairs to the Lake H1-B nano-bubbler would be completed the next day.

A resident reported suspected mold associated with standing water in a Club property unit; Krebs did not believe the standing water was the cause because other units have not reported similar problems and he recalled that a developer-modified connection in 2022 altered the system in that area. Krebs said the CDD permit process and the South Florida Water Management District would be involved if nonstandard uses of lake water (for example, fire trucks drawing water) were considered.

Operations Manager Shane Willis said he and Mr. Kurth will present proposals for the electrical portion of a planned compressor relocation project in Masters Lake and that Mr. Long will provide updates on the speed sign project at the next meeting.

The board asked staff to confirm whether any roadway or curb damage occurred where MRI worked on water-line repairs and to include a drainage item on the next agenda for further comment from Mr. Long.