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Third Street Improvement project – 5/6/22 weekly update

Posted on May 6, 2022

May 6 third street project image

The City of San Rafael will be sending out weekly project updates with construction updates, traffic closure updates, and other relevant information for this project. To receive these updates, please sign up using the form at the left-hand side of the project website.


  • Nightwork will begin on May 9, on Third Street between C Street and E Street
  • Nightwork will involve new water service connections to several medical facilities that cannot have water service disrupted during business hours
  • Residents and businesses may temporarily experience increased noise levels during this operation
  • Hours of work will be 3 am to 6:30 am

THIS WEEK (May 2 – May 6):

  • Marin Municipal Water District (MMWD) waterline service connections installed at Cijos Street, A Street, D Street, and E Street
  • Excavated for waterline main tie-in at Cijos Street
  • Continued potholing to locate existing underground utilities at all the intersections for Second Street and Third Street
    • Installation of conduits using horizontal directional drilling, which requires removing some sections of the sidewalk to excavate boring pits at the intersections of Third Street and Shaver Street
  • Potholing and CCTV inspections on Ida Street, G Street, and Second Street between Ida Street and Marquard Avenue for the remainder of this week

NEXT WEEK (May 9 – May 13):

  • Installation of conduit by horizontal directional drilling on Second Street & Shaver Street and Second Street & G Street
    • This work will require removing some sections of the sidewalk to excavate boring pits
    • Safe pedestrian passage will be maintained around this boring pits
    • The sidewalk will be temporary patched with asphalt
    • Pothole investigations to locate underground utilities at the intersection of Second Street & Fourth Street and on B Street from Second Street to the San Rafael Community Center on B Street
  • New water service connections for residences and businesses on Third Street from D Street to A Street will be installed
    • Trench excavation for new water main tie in will be performed at the intersections of Third Street and B Street, D Street, and E Street
  • Potholing to locate existing utilities on Third Street from San Rafael High School to Union Street
  • Sanitary sewer rehabilitation:
    • Installation of new sewer pipe, by open trench method, from a manhole at Ida Street and Second Street, trenching across Second Street, and then for the next two weeks installing sewer pipe in the eastbound lanes of Second Street from Ida Street to Marquard Avenue


  • Traffic controls (temporary signs, message boards, traffic cones, delineators and detour signs) will be put in place to direct motorists through the work area
  • Curb parking spaces will be marked “No Parking”
  • There will be intermittent lane closures on Third Street and detours on A Street, B Street, C Street, D Street, and E Street
    • For businesses in this section of Second Street, the City’s contractor,  Ghilotti Bros. Inc., will help facilitate deliveries by providing traffic controls and flagging
The hours of work will be 6 am – 6 pm and lane closures 6 am – 3 pm on Third Street and Second Street eastbound, and 9 am – 6 pm on Second Street westbound.
Click on the map below to go to an interactive map:
MAY 6 third street update

For more information, visit the project website or contact the City at

Please note: all estimated timelines are tentative and subject to change.

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