Week of 1/17 White Flint Pepco Substation 3-Week Construction Update

Week of 1/17 White Flint Pepco Substation 3-Week Construction Update

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 01/17/2022CSX/Randolph Rd.-Package A (SECA)– Continue first drive- Continue forming CIP MH- Pour concrete

  • Nebel St.-Package C (CW & Sons)– Continue conduit installation around the 500 series manholes- Continue conduit install to substation wall- Pour concrete- Backfill-chester to install 2” to wall penetration

Week of 01/24/2022White Flint Substation-Package-A/B (CW & Sons Crew #2)– Pour concrete- Remove forms- Backfill- Continue certification between 100/101 manholes

  • Nebel St.-Package C (CW & Sons)– Continued coordination regarding Cathodic Protection- Install conduitCSX/Randolph Rd.-Package A/B (SECA)– Continue first drive

Week of 01/31/2022Nebel St.-Package C (CW & Sons)– Cathodic protection- Backfill trench

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

Amy Ginsburg

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