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Active Storm Water Projects
Project - Oak Springs Cul-de-Sac
Project Number: 2011-11
Project Phase: Construction
Identified Problem: Runoff ponds at a sag in the Oak Springs Lane cul-de-sac. An unpermitted small private inlet is inadequate to prevent the ponding.
Proposed Solution: Modify an existing curb inlet to increase its efficiency and install a new curb inlet and pipe sewer system to minimize ponding in the gutter.
Design
- Design Professional: Burns & McDonnell
- Design Start: January 2020
- Design Completion: January 2022
Construction
- General Contractor: Two Alpha Contracting
- Bid Opening Date: August 2022
- Notice to Proceed Date: January 2023
- Estimated Completion Date: November 2023
Project - 1839 Woodmark Road
Project Number: 2012-5
Project Phase: Construction
Identified Problem: Stream bank erosion may present issues for properties at or adjacent to 1839 and 1855 Woodmark Road.
Proposed Solution: Stabilize reach of stream behind residences at 1839 and 1855 Woodmark Road with a combination of rock grade control structures and planted rock slope, or composite revetment.
Design
- Design Professional: Retiz & Jens
- Design Start: January 2017
- Design Completion: July 2022
Construction
- General Contractor: T. Hill Construction
- Bid Opening Date: August 2022
- Notice to Proceed Date: January 2023
- Estimated Completion Date: November 2023
Project - 1120 Westmoor Place
Project Number: 2012-4
Project Phase: Easement Acquisition (Pending)
Identified Problem: Runoff from Tundra Court and Timmor Court properties contributes to erosion and ponding in rear yards of the houses along Westmoor Place. Existing swales, berms, and private drainage systems need improvements.
Proposed Solution: The upstream erosion can be minimized or eliminated by the installation of a series of reinforced turf swales. Improve grading of existing berms and sumps around inlets will improve the capture of runoff into the storm waters sewers and culverts.
Design
- Design Professional: Hart Engineering
- Design Start: January 2019
- Design Completion: November 2021
Construction
- General Contractor: N/A
- Bid Opening Date: N/A
- Notice to Proceed Date: N/A
- Estimated Completion Date: N/A
Project - Summerhill East
Project Number: 2010-3B
Project Phase: Design
Identified Problem: Summerhill "East" is the final of a three part project to address drainage and erosion issues in the Summerhill Subdivision. Uncontrolled upstream runoff is contributing to creek bank erosion and slope instability that is threatening trees, fences, power poles, sanitary sewer infrastructure, and a pedestrian bridge to properties located on the east side of Summerhill Lane.
Proposed Solution: A creek bank stabilization and this project may also include green infrastructure elements (rain gardens, bioswales, etc.) and / or detention measures on the affected properties to reduce downstream peak flows and associated water levels during intense rain events.
Design
- Design Professional: HR Green
- Design Start: January 2020
- Design Completion: N/A
Construction
- General Contractor: N/A
- Bid Opening Date: N/A
- Notice to Proceed Date: N/A
- Estimated Completion Date: N/A
Project - Essex Point / Sellenriek Middle
Project Number: 2011-4C
Project Phase: Design
Identified Problem: The peak water flows generated by surrounding areas during and following large rain events are causing erosion and potential flooding in the area of Sellenriek Road and Delvin Drive. In addition, the Essex Point Subdivision retention basin experiences debris and sediment issues from upstream.
Proposed Solution: Due to the size of the watershed four projects were identified to reduce peak flows from individual sub-watersheds. This project includes a new inline storage area to provide reduce peak flows, provide water quality benefits, and collect debris.
Design
- Design Professional: Sterling Engineers
- Design Start: July 2015
- Design Completion: N/A
Construction
- General Contractor: N/A
- Bid Opening Date: N/A
- Notice to Proceed Date: N/A
- Estimated Completion Date: N/A
Project - 1617 Mason Valley Drive
Project Number: 2015-9
Project Phase: Design
Identified Problem: Water from nearby yards collects at the driveway and side yard at 1617 Mason Valley Road. The area floods often because it has no clear flow path to downstream.
Proposed Solution: Connect the storm sewer system at 1608 Foxleigh Court to the system at Mason Valley Road. Replace the existing private drain at 1617 Mason Valley Road with a new area inlet.
Design
- Design Professional: Burns & McDonnell
- Design Start: January 2020
- Design Completion: N/A
Construction
- General Contractor: N/A
- Bid Opening Date: N/A
- Notice to Proceed Date: N/A
- Estimated Completion Date: N/A
Project - 13211 Thornfield Lane
Project Number: 2016-6
Project Phase: Design
Identified Problem: The creek bank is eroding along the side yard and backyard of 13211 Thornfield Lane near the east corner of the house. The erosion is active and will eventually pose a threat to the house.
Proposed Solution: The most direct solution is to add grade control, bank toe protection, and bank stabilization along about 100 feet of the creek.
Design
- Design Professional: Reitz & Jens
- Design Start: January 2020
- Design Completion: N/A
Construction
- General Contractor: N/A
- Bid Opening Date: N/A
- Notice to Proceed Date: N/A
- Estimated Completion Date: N/A