DC Water's contractor will begin preparations for
jet grouting work at the intersection of First Street and
Rhode Island Avenue, NW, as a continuation of work associated with
the Northeast Boundary Tunnel Project. The contractor will
install jet grout columns on the north side of the intersection at
First Street and Rhode Island Avenue, NW. One method of
stabilizing the soil on the Northeast Boundary Tunnel Project is a
process known as jet grouting, a method of ground improvement that
involves injecting cement and water into the soil at very high
pressures to solidify and strengthen the ground. The improved
ground will allow safe excavation in the stabilized ground to
connect the existing First Street Tunnel with the new Northeast
Boundary Tunnel.
Work is expected to begin the week of August
12, 2019, from 7 AM – 7 PM, Monday – Friday, and will
continue for approximately eight (8) months (weather permitting).
Travel Restrictions
- Rhode Island
Avenue, NW between 2nd Street, NW and North Capitol Street, NW
will be reduced to two lanes of traffic in each direction.
- First Street NW
between Thomas Street and Rhode Island Avenue will be closed
to northbound traffic. Detour signs will be in place to direct
traffic to 2nd Street, NW.
24/7 Parking
Restrictions
- Parking will be
restricted on the north and south sides of Rhode Island
Avenue, NW between North Capitol Street
and 2nd Street, NW to allow for the lane
shifts.
- There will also be
restrictions to parking on both sides of First Street, NW
between Thomas Street and Rhode Island Avenue, NW.
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