Bull Neck Run at Spring Hill Recreation Center Stream Restoration

The project site is situated east of Springhill Road, north of Lewinsville Road, and south of Old Dominion Drive. This project included restoring approximately 2,000 linear feet of the Bull Neck stream channel and tributaries which drain directly to the Potomac River in Mclean, Virginia. Restoration of the stream was achieved using natural channel design principles. The project included rock sill, boulder toe protection, buried rock toe, riffle with log sill, step pools, boulder clusters, modified cross vanes with woody debris, removal of invasive plants and the re-establishment of the riparian buffer with native species.

1. Contract No. CN16125149 Project No. SD-000031-131 Tax Map ID 29-2 and 20-4 Dranesville District August 1, 2019 Bull Neck Run At Spring Hill Recreation Center Stream Restoration

2. Bull Neck Run At Spring Hill Recreation Center Stream Restoration Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch

3. Bull Neck Run At Spring Hill Recreation Center Stream Restoration Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch Description: Bull Neck Run at Spring Hill Recreation Center Stream Restoration Project has been substantially completed. The project site is situated east of Springhill Road, north of Lewinsville Road and south of Old Dominion Drive. This project included restoring approximately 2,000 linear feet of the Bull Neck Stream Channel and Tributaries which drains directly to the Potomac River in Mclean, Virginia. Restoration of the stream was achieved through the use of natural channel design principles. The project included: rock sill, boulder toe protection, buried rock toe, riffle with log sill, step pools, boulder clusters, modified cross vanes with woody debris, removal of invasive plants and the re-establishment of the riparian buffer with native species. Water Quality Benefits: Removal of 209 pounds of total phosphorus per year Removal of 813 pounds of total nitrogen per year Removal of 71,381 pounds of total suspended solids per year Project Team: Project Manager - Vivian Bui, Stormwater Planning Division Construction Manger - Yousef Rayyan, Utilities Design and Construction Division (UDCD) Construction Inspector - Bharat Khanal / Kenneth Giles, UDCD Project Surveyor - Greg Harper, UDCD Right-of-Way Agent - Eric Lefcourt , Land Acquisition

4. Bull Neck Run At Spring Hill Recreation Center Stream Restoration Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch Dranesville District, Tax Map 29-2 and 20-4 Project Limits Spring Hill REC. Center

5. Bull Neck Run At Spring Hill Recreation Center Stream Restoration Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch Pre-Existing Conditions

6. Bull Neck Run At Spring Hill Recreation Center Stream Restoration Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch During Construction

7. Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch Bull Neck Run At Spring Hill Recreation Center Stream Restoration During Construction

8. Bull Neck Run At Spring Hill Recreation Center Stream Restoration Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch

9. Post-Construction Bull Neck Run At Spring Hill Recreation Center Stream Restoration Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch

10. Post Construction Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch Bull Neck Run At Spring Hill Recreation Center Stream Restoration

11. Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch Bull Neck Run At Spring Hill Recreation Center Stream Restoration Post Construction

12. Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch Post Construction Bull Neck Run At Spring Hill Recreation Center Stream Restoration

13. Bull Neck Run At Spring Hill Recreation Center Stream Restoration Capital Facilities/Utilities Design and Construction Division, Stormwater Construction Branch Matthew Kaiser, Public Information Officer 703-324-8455, TTY 711 [email protected]