Construction Update from Pepco Project on Randolph Road and Nebel Street

Construction Update from Pepco Project on Randolph Road and Nebel Street

Week of 11/08/2021

Nebel St.-Package C (CW & Sons)-Continue 4-way excavation around manholes

CSX/Randolph Rd.-Package A/B (SECA)-Pour concrete-Mount seal assembly

Nebel St. & Marinelli -Package-A (CW & Sons Crew #2)-Complete box tunnel-Continue excavation to stubs


Week of 11/15/2021

CSX/Randolph Rd.-Package A (SECA)-Begin first drive


Nebel St. & Marinelli Rd.-Package A (CW & Sons Crew #2)-Install conduits to tie onto stubs-Pour concrete-Backfill/temporary asphalt


Nebel St.-Package C (CW & Sons)-Continue getting trench to grade near sewer line-Begin excavation along substation wall

Amy Ginsburg

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3 comments

Barbara Spalholz

Looking for an update on when you expect to re-open Randolph Road west. I read that the intersection of Executive Blvd and Old Georgetown Road will be closed for 6 months starting March 22. I also read that 2 lanes will be closing on Nicholson though I couldn’t find the timeframe. If Randolph is not reopened before all this, people who have to commute east west along this corridor will have an even harder time than they have now.

    Amy Ginsburg

    Here’s the update from Pepco’s construction company
    Construction will continue for the White Flint Substation project Mon-Fri with Saturday work as needed for make-up days for weather related events. Flaggers will be on site to direct traffic and work will be covered with steel plates after hours. For moves, deliveries, or any special circumstances during our work hours, please alert me in advance for coordination with our crew.

    Randolph Road Micro-Tunnel
    The crew will continue working on Randolph Rd. from Parklawn Dr. to Nebel St for the micro- tunnel operation. The traffic control plan will allow East bound traffic only on Randolph Rd. West bound traffic will be detoured down Parklawn Dr. to Rockville Pike-MD-355. Sidewalks on Randolph Rd. will remain open to pedestrians throughout the duration of the micro-tunnel construction.

    While working during the permitted hours, flaggers will be posted at every two driveways to help coordinate traffic going to local businesses and three officers are posted to mitigate traffic. “We’re Open” signs have been placed in front of all entrances to encourage business patronage during construction. All traffic control measures will remain in place 24/7 until the work is completed.

    Week of 01/03/2022
    White Flint Substation-Package-A/B (CW & Sons Crew #2)
    – Install conduit
    – Backfill
    – Continue excavation towards proposed Fiber Optic MH location
    – Excavate for Fiber Optic CIP MH
    – Continue certification between 100/101 manholes

    Nebel St.-Package C (CW & Sons)
    – Complete backfill/temporary asphalt for Homeless Shelter Utilities
    – Continued coordination regarding Cathodic Protection

    CSX/Randolph Rd.-Package A/B (SECA)
    – Continue first drive (encountering hard sticky clay)

    Week of 01/10/2022
    Nebel St.-Package C (CW & Sons)
    – Install conduit to substation wall
    – Pour concrete
    – Install 2” oil lines to penetration window of substation
    – Backfill/Temporary Asphalt

    CSX/Randolph Rd.-Package A/B (SECA)
    – Continue/complete first drive
    – Prepare for second drive

    White Flint Substation Property -Package-A/B (CW & Sons Crew #2)
    – CIP Fiber Optic MH

    Week of 01/17/2022
    CSX/Randolph Rd.-Package A (SECA)
    – Continue first drive (Encountered clay that has slowed down production)

    White Flint Substation Property -Package-A/B (CW & Sons Crew #2)
    – Install conduit
    – Pour concrete
    – Backfill
    – Continue excavation for fiber

    Nebel St.-Package C (CW & Sons)
    – Continue conduit installation around the 500 series manholes
    – Pour concrete

      Barbara Spalholz

      Thank you for the detailed and quick response to my inquiry. Can you tell me when to expect the reopening of Randolph Road west between Parklawn and Nebel?

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