The project is located between Bestwicke Road and Lee Chapel Road

1. A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
May 12, 2021, virtual Pardon Our Dust meeting
Peyton Run at Longwood Knolls
Stream Restoration and Basin
Retrofit Project
Pardon Our Dust Meeting

2. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Existing Conditions
2

3. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Agenda
3
 Project Background
 Projected Construction Timeline
 What to Expect During Construction
 Safety During Construction
 Example of Completed Projects
 Questions

4. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Project Background: Project Location
4
 The project is located
between Bestwicke Road
and Lee Chapel Road

5. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Project Background: Key Elements of the Project
5
The project includes:
 One detention basin
retrofit
 2,841 linear feet of
stream channel
restoration

6. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
Existing Conditions
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 6

7. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
Existing Conditions
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 7
March 2018 April 2021

8. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
Existing Conditions
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 8

9. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
Existing Conditions
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 9

10. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Construction Contractor
10
 Construction contract has been
awarded to Environmental
Quality Resources, LLC (EQR)
 Notice to proceed issued on
April 19, 2021

11. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Example Construction Schedule
11
 Final schedule to be approved (estimate 400 calendar days)
 Restoration schedules can overlap with multiple crews
 Plantings occur in spring, fall, and/or winter (live stakes) seasons
 Includes 1-year warranty on structures and vegetation
 Vegetation warranty starts when planting ends (may be delayed for season)

12. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
Construction Access: Lee Chapel Road
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 12

13. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
Construction Access: Turnbuckle Drive
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 13

14. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Temporary Infrastructures
14
Temporary access paths
Stockpile and staging areas
Safety Fence

15. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
Contractor Equipment
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 15
Excavator
Dump Truck
Skid Steer

16. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Expectations during Constriction
16

17. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Construction – Who Will Be on Site
17
Environmental Quality
Resources, L.L.C
Stantec Consulting
Services, Inc.
Fairfax County

18. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Safety During Construction
18
PLEASE KEEP PERSONS
AND PETS OUTSIDE OF
THE CONSTRUCTION
LIMITS AT ALL TIMES!

19. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Native Plants
19
 Revegetation is required
Overstory trees – 316
Understory trees – 606
Shrubs/Ferns – 3,350
Live stakes – 3,380
Native riparian buffer seed mix

20. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Example Completed Projects – Ben Franklin
20
Immediately following completion

21. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
Example Completed Projects – Fair Woods Retrofit
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 21
Existing Proposed
2 year following completion 3 year following completion

22. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
Example Completed Stream Restoration Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 22
1 year following completion 3 year following completion

23. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
After Construction
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 23
Existing Proposed renderings

24. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
After Construction
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 24
Proposed Renderings
Existing

25. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
After Construction
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION 25
Proposed Renderings
Existing

26. Peyton Run at Longwood Knolls Stream Restoration and Basin Retrofit Project
WATERSHED PROJECTS IMPLEMENTATION BRANCH – SOUTH, STORMWATER PLANNING DIVISION
Contact Information
26
For additional information, please contact
Daniel Habete, Project Manager
703-324-5005, TTY 711
or by email:
Daniel.habete@fairfaxcounty.gov
Project website:
https://www.fairfaxcounty.gov/publicworks/stormwater/peyton-run-longwood-knolls