Mill Valley Middle School Modernization
Phase: Interim Campus Construction: July 10, 2026
Work Completed July 6 – 10
● Continued removal of asphalt and curb sections, then load and haul materials off-site for disposal. ● Continued grading the site.
● Brought equipment to the site and installed a dewatering system.
Work Planned for Week of July 13
● Install dewatering wells on the south and north side of Ryan Creek.
● Begin mass excavation and utility potholing.
● Layout retaining walls.
Anticipated Impacts
● There will be noise and vibrations associated with this work. Air quality will be monitored during all soil disturbing work.
● Two trucks will enter/exit the site multiple times per day; trucks will be cleaned and covered before leaving the property.
● Mill Valley Skate Park will be closed from July 6 – August 31st.
● Access between Friends Field and Sycamore Avenue is closed for the duration of the project.
Air Monitoring
● Air quality monitoring demonstrated detected levels of methane, volatile organic compounds, and dust (PM10) are below the action levels established in the Community Air Monitoring Plan.
Work Hours
● 6:00 a.m. and 6:00 p.m., Monday through Friday with weekend work as needed.
● Noisier work will occur between the hours of 7:00 a.m. and 5:00 p.m.
● Some work will occur outside of these hours, and advance notice will be provided.
Site Security
● No trespassing – this is an active construction site that is closed to the public.
● Security cameras are in use and monitoring the site 24/7.