Public Works Project Updates
City Projects Under Construction (updated 11/22/2022)
Bon Air Road Bridge Replacement project
Work is substantially complete with minor punch list items including storm drain pump station repairs remaining. Replacement of check valves has been pushed to early/mid December due to material delivery delays and is still weather permitting. The pump station is operational. The Hillview subdivision storm drain pipes are now connected and draining to the pump station.
Bon Air Road Bridge Mitigation Projects
Improvements include replacement of two public docks at Bon Air Landing Park and next to the Marin Rowing Association dock, converting the Piper Park dog park back to tidal wetlands, construction of a new dog park south of the Central Marin Police Authority building and stormwater improvements on Magnolia Avenue. The contractor has started grading the new dog park area and will follow with fence installation. There will be several work slowdowns and stoppages due to regulatory agency permit work windows resulting in a projected completion date of spring 2024.
Corte Alejo (Via La Paz) Storm Drain Improvements
The replacement by-pass storm drain, removal of old pipes and minor improvements to hillside have been completed. Staff conducted a field meeting with residents to review plans for storm drain overflow piping. Staff and consultant are reviewing options for overflow piping.
Sir Francis Drake Pavement Repair (Del Monte to Drakes Cove Road)
Work is substantially complete with only minor corrective punch list work remaining. The contractor will be installing additional traffic detection loops at the NB US 101 on ramp at the request of Caltrans. There may be signal inefficiencies until this work is completed.
Hillview Storm Drain Improvements
This project was formally accepted by the City Council at their regularly scheduled June 1 meeting. The new storm drains have been installed and the connection to the Bon Air pump station has just been completed. Plugging of old gravity creek connection pipes was completed, however, some creekwater remains backflowing through the system at high tides. Staff is actively investigating all connections in the area to determine the source and plug.
Doherty Drive Rule 20A Utility Undergrounding
Underground infrastructure installation is complete. The poles and overhead wires near Redwood High School have been removed. AT&T is scheduled to remove the remainder of the poles and wires near Hill Middle School – no date is confirmed but AT&T have been on site preparing for this work.. The street lights on Doherty that were day-burning due to a faulty photo-cell have been fixed.
Park Way Storm Drain Improvements
The storm drain work has started after PG&E completed gas line work.
Niven Park Improvements
Plans for the playground area reconstruction were approved by City Council in late October. Picnic area improvements were recently completed with a community build.
Work has started to install new equipment for children under five years old. Construction is anticipated to last into mid-December.
Redwood Highway (North) Bicycle and Pedestrian Improvements (NS Greenway extension)
Staff continues working with Caltrans Office of Local Assistance to secure the funding and process all the paperwork that accompanies the federal funding on this project. Construction is now anticipated in spring/ early summer 2023. This project will add a new class 1 bike path on the west side of Old Redwood Highway from the termination of the current Caltrans project on the off-ramp to the pedestrian 101 overcrossing.
Measure B Group 4 Pavement Rehabilitation
Maggiora & Ghilotti continue with paving work. Paving should occur through until early 2023. Streets to be paved include most streets south of downtown, in Baltimore Canyon, and South Eliseo Drive. More detailed information is available on the City’s website under ‘fixing our roads. A schedule of planned paving dates for each street is provided; however, please note that the schedule will change weekly as each day that is no suitable for paving will push all paving dates out by a day.
Please visit https://www.ci.larkspur.ca.us/563/Fixing-Our-Roads for more information on our paving program and this year’s project
Magnolia Avenue Pavement Rehabilitation
Ghilotti Bros. completed paving and Staff preparing completion notice for City Council action at their December 7 meeting.
Crosswalks Improvements Project
Minor improvements have been initiated including new markings and signs at select locations. A second phase of the project, which may include more substantial improvements is under design development.
Upper Elm Pathway Improvements
The project is in final design phase after a geotechnical engineering review.
LED Streetlight Retrofit Project
Tanko Lighting has started replacement work. You can check daily progress here https://tankolighting.maps.arcgis.com/apps/dashboards/eb4fd0e0eaa0466cbcc3eeaa855ce098
To see if lights in your neighborhood have been replaced yet.
Doherty Drive Safe Pathways to Schools Phase 2
Contractor, McGuire & Hester’s work is substantially complete. Punch list work remains. In addition, rectangular rapid flashing beacons set for the Doherty/ Piper Park intersection are on back order and will be installed when available – tentatively set for late November based on availability.
Citywide Storm Drain Cleaning and Inspection
Staff is working with RVSD on the inspections. Staff anticipates completing video inspections for a sufficient sample size of the storm drains by the end of this calendar year to develop a plan and budget for repairs and replacements. Staff has already identified a number of pipe segments requiring repair and is developing plans for repair. City Council authorized a Capital Improvement Program budget amendment at their November 2 meeting to fund repairs and replacement identified with the inspections to date.
Storm Drain Pump Station Upgrades
Staff is in receipt of and is reviewing the Schaaf & Wheeler draft report on recommended fixes and improvements.
Laurel Avenue Drainage and Retaining Wall
Staff is reviewing the preliminary plans and cost estimate for diverting drainage on Laurel Avenue. Staff anticipates a first phase of this project to be completed before the of the calendar year (berm along Laurel.) Piping down Eden stairs to Hawthorne may be deferred to spring 2023 depending on weather..
Lagoon Inlet Gates Rehabilitation
Staff and consultant conducted a site visit to evaluate the gates condition and develop repair/ replacement options. Staff anticipates the work to be complete prior to the end of the calendar year, dependent upon material availability.