Washington Plaza Culvert Repair Hunter Mill District Project No. SD-000034-036

1. Washington Plaza
Culvert Repair
Hunter Mill District
Project No. SD-000034-036

2. Project Details
Description:
The Washington Plaza Culvert Repair project was substantially completed on June 24, 2013. This
project consisted of repairing a 21 foot section of damaged concrete culvert, which lies underneath
Washington Plaza, within the Historic District. The deteriorated culvert posed a danger both to the public
and to the historic structures surrounding it. The completion of this project will maximize use of the storm
culvert and provide protection for Washington Plaza.
Project Overview:
• Removal, storage, and replacement of brickwork
• Removal of damaged top and side sections of culvert
• Placement of new rigid piping for fountain’s leaking water lines
• Placement of rebar
• Water-proofing membrane placed on top of culvert to prevent deterioration.
DPWES Project Team:
Design Engineer: Bill Schell
Project Manager: Qais Bashir
Construction Engineer: Mannan Qureshi
Construction Inspector: Keith Ferrell

3. Project Location
Hunter Mill District - Tax Map No. 172-31-1609B

4. Pre-existing Conditions: Damaged Culvert
Temporary Formwork
Supporting Structure
Deteriorated Top
Wall with Exposed
Rebar
Formwork
Collecting
Debris and
Blocking
Water Flow

5. Construction: Damaged Sections Excavated.
New Rebar, New Piping, and Concrete Placed
New Rigid Piping New Rebar
High Strength
Concrete Being
Poured

6. Construction: Waterproofing & Replacement of
Brick Pavers
Waterproofing
Membrane Being
Placed
Careful Replacement of
Brick Pavers

7. Post-Construction: CCTV Showing Newly
Constructed Work
New Thickened
Section Top Wall
New Top Wall
New Side Wall

8. For additional Information, please call
Irene Haske, Public Information Officer
703-324-5821, TTY 711
www.fairfaxcounty.gov/dpwes