Project Location
Palatka, Putnam Counties
29.64750100, -81.63669400Project Timeline
Duration: Not started
Project Contacts
Infrastructure Types
Project Summary
A total of approximately 53,730 square feet of permeable paving will be constructed to facilitate storm water treatment in basins 12 and 13. This permeable paving system consists of solid concrete pavers abutted as to leave thin joints in between each adjoining paver. The pavers are placed over a porous aggregate base/subbase to allow a significant amount of stormwater to infiltrate into the highly permeable base/sub-base thereby reducing surface runoff and pollutants.
Project Goals
- Waterbody impacted: St. Johns River
- Located in Lower St Johns, Lower St. Johns Mainstem Group 2
This project will utilize a permeable paving system that consists of concrete pavers abutted as to leave thin joints in between each adjoining paver. The pavers are placed over a porous aggregate base/sub-base to allow a significant amount of stormwater to infiltrate through and around the pavers into the highly permeable base/sub-base thereby reducing surface runoff. Permeable pavement is part of the low impact development (LID) measurement, which can decrease urban surface runoff by more than 50% and slow flood peak flow. It also has a better effect on reducing runoff coefficient and flood peak, which can effectively reduce the pressure of urban drainage and reduce the risk of stormwater flooding.
Community Improvement
Pavers at 9 Intersections, at the entrance to the A Phillip Randolph Transportation Hub the existing train platform and the extension of the train platform, and the parking lot at the A Phillip Randolph Transportation Hub.
Site Conditions
Permeable pavers is a more natural hydrological balance and reduces runoff volume by trapping and slowly releasing precipitation instead of allowing it to flow into storm drains and out to recipient waters as effluent. This also reduces the peak rates of discharge by preventing large, fast pulses of precipitation through the stormwater system. By slowing down the process, permeable pavements can cool down the temperature of urban runoff, reducing the stress and impact on the environment.
Project Maintenance
- Method: Streetsweeper
- Annual Cost: $100
Project Cost & Funding
Total Project Cost: $1,650,000
Total Construction Cost: $1,500,000
US EPA: $150,000
Community Engagement
The components of this project have been discussed at multiple public open houses and workshops held on Improvements for St John’s Avenue, the 11th Street Corridor, and the Transportation Hub. This project is supported by multiple goals and objectives of the City’s Comprehensive Plan aimed at protecting the St. Johns River and the City’s natural resources from harmful impacts of stormwater runoff, including Future Land Use Element Objective A.1.4, Public Facilities Element Goal D.2 and Objective D.2.2, Conservation Element Goal E.1 and Objective E.1.2, and others.
The components of this project have been discussed at multiple public open houses and workshops held on Improvements for St John’s Avenue.
Outcomes & Results
Monitoring: The street sweeper will be utilized to clean and maintain the permeable paving areas.
Estimated water quality/quantity benefits: 57 lbs./yr. of TN and 9 lbs./yr. of TP
Additional Resources
St. John’s Avenue Nutrient Calculations