Different plants and soil for the bioretention at Glen Eden Pilot Park

Stormwater

Glen Eden Pilot Park Bioretention Area

Green Stormwater Infrastructure

We are constructing a bioretention area at Glen Eden Pilot Park. The project is engineered to capture, absorb, and clean stormwater runoff. The plants, mulch, soil, gravel, and underground pipes will:

  • Slow down the water; and,
  • Filter out water pollution before it reaches House Creek and Crabtree Creek.

The parking lot off Eden Croft Drive is closed during construction. More details below. 

Project Details

 
Type:
Stormwater
Budget:
$300,000 (design & construction)
Project Lead:
Stormwater Management
Contractors:
Hazen & Sawyer (Design); Lanier Construction Company (Contractor)

Contact

 

Heather Dutra
Senior Engineer
919-996-4012

Lead Department:
Engineering Services
Participating Department:
Parks, Recreation and Cultural Resources
Service Unit:
Stormwater

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Planning

This phase is complete. 

Phase Contacts

 

Heather Dutra
Senior Engineer
919-996-4012

Lead Department:
Engineering Services

Design

This phase is complete.

Phase Contacts

 

Heather Dutra
Senior Engineer
919-996-4012

Lead Department:
Engineering Services

Construction

Completed Work

The contractor prepared the site for construction. This included: 

  • Surveying the area before working on the bioretention area
  • Adding fences that keep sediment in the project area and protect nearby land; and,
  • Removing trees in the project area. 

Ongoing Work

  • Installing the underdrain and stormwater pipe in the biorentention area. This pipe will carry water through and out of the bioretention area. A lot of the water will soak into the ground when it rains. Some will flow to storm drains and streams depending on the amount of rain. Crews are also now starting to excavate for the bioretention area. 

Work hours are Monday - Friday from 8:00 a.m. - 5:00 p.m. 

Parking Lot Closure Extended

We closed the parking lot off of Eden Croft Drive on April 27. It will be closed through the end of construction, which is now expected to be at the end of July (instead of June). This could change due to weather or other construction factors. 

Planning a visit? You can park at 1500 Glen Eden Drive. Please use the greenway trail next to the building to access the playground.

Phase Contacts

 

Heather Dutra
Senior Engineer
919-996-4012

Lead Department:
Engineering Services

Complete

Phase details coming soon. 

Phase Contacts

 

Heather Dutra
Senior Engineer
919-996-4012

Lead Department:
Engineering Services

A rendering of the bioretention area planned for Glen Eden Pilot Park.

Schedule

Date Activity
Fall 2018 Project design began
Winter 2020 Project design complete
Spring - Fall 2020 Construction bid process
Winter 2021 Project construction phase begins
Late Fall 2021 Project construction complete

Background

The nearly 2,000-square-foot bioretention area will capture stormwater runoff from about a half acre of impervious surface (streets, driveways, and rooftops). The area is expected to prevent excess nitrogen and total suspended solids from polluting waterways each year. 

  • 4 pounds of nitrogen
  • 69 pounds of suspended solids

This is a great example of how planted stormwater devices help the environment. The features remove pollution and reduce impacts to stormwater pipes and streams.

Learn more about green stormwater infrastructure