Dead Run Stream Restoration Segment 2 – 3

A Fairfax County, VA, publication
Department of Public Works and Environmental Services
Working for You!
Dead Run Segment 2/3 Stream Restoration
McLean Central Park and Dead Run Stream Valley Park
December 7, 2017

Stormwater Planning Division
Community Meeting: Pardon our Dust
• Project Background
– Background
– Major Project Elements
• Construction Timeline Summary
• Project Schedule/Phasing, Site Access, Construction Equipment
• Example photos from Dead Run Segment 1 project
– (designed by Stantec and constructed by Meadville Land Services, Inc.)
• Safety During Construction
• Q&A
2

Project Location
3

Project Background
• Fall 2013: Project initiated
• Winter 2013: Surveys and assessment completed
• April 2014: Pre-concepts submitted
• April 23, 2014: First public meeting
• April 2014 – March 2016: Stakeholder/community coordination and design
refinement
• April 2016: Revised final concept design completed
• November 2, 2016: Final community task force meeting
• September 2017: Final design completed
• October 2017: Advertised for bid to six pre-qualified contractors
• November 21, 2017: Bid opening
4

Items of Work
 Restoration of approximately 2,800 linear feet of the section of
Dead Run that flows through McLean Central Park, Dead Run
Stream Valley Park, and adjacent private properties and its
tributaries using Natural Channel Design techniques
 Restoration of tributary near the tennis courts to stabilize large,
unsafe headcut
 Replace one pedestrian trail bridge over the tributary which
parallels Churchill Drive
 Control invasive plants and replant the riparian corridor in
excess of Chesapeake Bay Preservation Ordinance requirements
5

6
Scope of Work

Restoration Renderings
7
Online Story Maps with Photographs - Virtual Stream Walk:
• Existing conditions map link: (please cut and paste or type these links into your
browser)
http://fairfaxcountygis.maps.arcgis.com/apps/MapTour/index.html?appid=c1cada0ba
98c4434bfcfab759301602f#
• Proposed renderings map link:
http://fairfaxcountygis.maps.arcgis.com/apps/MapTour/index.html?appid=077a029f6
6b849afae46189ee6da1916#

8
Existing Conditions: Recent tree fall above pedestrian bridge in Segment 2

9

10

11
Tributary Restoration

12
Pedestrian Bridge Replacement

13
Invasive Plant Management

14
Replanting the Riparian Corridor

Planting Outside Project Limits
15
Total 2/3 of an acre outside of LOD being planted

Summary of Construction Timeline
• Notice to proceed expected to be issued to Meadville Land
Services, Inc. in February 2018
• Project duration: 410 calendar days (<14 months)
• Special project phasing (next slide)
• 2 year 85% care and replacement warranty on all trees and
shrubs effective from date of plant installation
16
https://www.meadvillelandservice.com/

Phasing Requirements
• Project is broken into 3 sections with the intent of limiting overall disturbance at
any given time
• Contractor may only begin work in a section (including vegetation clearing and
access road setup) upon approval from the County
• Approval to begin a new section will be based on a dedicated construction crew
being assigned to complete that section
• Trail management plan required to be submitted by the contractor and approved
by the County prior to any work
17

Proposed Schedule
• Example construction schedule above
• Contractor will submit final schedule for approval
– Restoration section schedules can overlap with multiple crews
• Permit required stream restoration monitoring by County: 3 Years
• Vegetation Monitoring and Maintenance by County: 3 Years
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Notice to Proceed
Project Start Up and Site Preparation
Restoration Section 1
Site Restoration and Planting
Project Completion
Construction Warranty 12 Months
Vegetation Warranty 24 Months
Month
Activity Comments

Construction – Meadville Land Service, Inc.
• Project Schedule:
1. Install erosion and
sedimentation controls
and tree protection measures
2. Clearing and grubbing
3. Construct stream
restoration in segments
from upstream to downstream
4. Stabilize each segment as it is
completed
5. Final planting of trees and
shrubs to occur during the
planting window following
construction completion
• Site Access
• Construction Equipment
19

Dead Run at Dominican Retreat (Segment 1) Timeline
• 1,940 linear feet of restoration with a contract duration of
365 days
• October 10, 2016: Notice to proceed issued
• October 10, 2016 – November, 2016: material submittals,
contractor mobilization, erosion and sediment controls
installation, access road installation, tree removal
• December 2016 – June 27, 2017: In stream work, site
stabilization
• June 27, 2017: Substantial completion awarded to
contractor (75 days ahead of schedule)
• July 2017: Demobilization and final site cleanup
• October, 2017: Tree and shrub installation during the fall
planting window
20

Dead Run Segment 1 Photos
21
Access road and tree
protection area
Stockpile area

22
Track truck
Excavator

Before
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After Grading
(before tree and shrub planting)

24
Before After

Planting
25

Dead Run Segment 1 Stream Restoration
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Safety During Construction
• Contractor is required to comply with Fairfax County’s
Construction Safety Resolution.
• For all residents, keeping safe means following two
simple rules:
1. Please stay outside the construction limits at all times!
2. Observe construction activities from a safe distance.

Dead Run Segment 1 Stream Restoration
27
Contact information
Construction related issues:
Utilities Design and Construction Division
703-324-5111, TTY 711 or by email:
Janet Grubb-Webber: Janet.Grubb-Webber@fairfaxcounty.gov
Questions on design:
703-324-5500, TTY 711 or by email:
Joe Riley-Ryan: Joseph.Riley-Ryan@fairfaxcounty.gov
Project Web Site: https://www.fairfaxcounty.gov/dpwes/stormwater/#projects
Thank you.

Dead Run Stream Restoration Segment 2 – 3

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