Larkspur Pump Stations 14, 24 & 25 Improvements Project

Project Schedule: Spring  -  Spring 2023

Contractor: Pacific Infrastructure Corporation


Project Update - March 17, 2023


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Construction continues at PS 14, the District's major pump station serving the southern half of Larkspur and located adjacent to Hall Middle School. Final paving at PS 14 is complete. The backup power systems for generators at PS 24 & 25, located along South Eliseo Drive have also been upgraded, but the generators are still delayed from supply-chain issues. 

Check this page regularly for project updates as they become available.

Project Summary


The RVSD collection system relies on pump stations and associated force mains to transport wastewater to the Central Marin Sanitation Agency (CMSA) treatment plant. 

The Larkspur Pump Station 14 Improvements include replacing the generator for standby power, replacing a VFD, replacing pump/level controls with a new PLC-based control system, reviewing the odor control system for additional capacity, roof repair, and replacement of an internal concrete platform for safety.

Backup electrical system improvements to address reliability issues of generator power at PS14 (Larkspur) and PS24 (650 S. Eliseo near Via Holon) and PS25 (1350 S. Eliseo at Bon Air).   Roofing and platform improvements at PS 14.  Lot line adjustment at PS14 in cooperation with the Larkspur Corte Madera School District (Hall Middle School).

All RVSD projects and work activities being conducted adhere to the District’s COVID-19 Exposure Control Plan to prepare for and, mitigate against the risk of COVID-19 exposure to the District’s office staff and field workers.

These upgrades to old or outdated system infrastructure will enhance local wastewater system reliability and efficiency.

Project Information and Construction Notices

  • Check here for updated project information and construction notices as they become available.

Project Construction Will Include

  • Check here for updated construction information as it becomes available.

What You Can Expect

  • Check here for updated information before construction work begins.


Project Contacts


Construction Manager:

Joseph Easterbrook, Psomas

Email Joseph Easterbrook

Call: 707-489-4376


Contractor:  Pacific Infrastructure Corporation

Email Adolfo Perez

Call: 925-249-0011


Project Manager - Phil Benedetti

Email Phil Benedetti

Call: 415-259-2949 x212

Click below for a larger view of the project areas.

RVSD_Larkspur PS 14 24 25 Map_5.20.21_fulltitle-01

Example pump station control system.

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More Information About Construction Projects

View the Current RVSD Infrastructure and Capital Improvements Projects map by clicking the link. After the map opens, click the "Open in Acrobat" box found in the upper right side of the map. From there you can view larger versions of each project area map by clicking on on it once.

View both current and completed CIP projects on an interactive map by clicking the link. You can also go to the project pages listed on the left of this page for more information about individual CIP projects that are under construction or scheduled to begin soon.

As with any construction project, you can expect noise, dust, some traffic lane closures and detours, parking restrictions, travel delays, and in some cases night-time work near the work sites during construction activity. We work to ensure that mail and package delivery to construction areas is not interrupted and that local and emergency access is maintained at all times.
 
RVSD appreciates your patience as we fulfill our commitment to making strategic long-term infrastructure improvements!