During the month of March, the weather turned for the worst raining constantly pushing
the site to its limits forcing the team to act quickly. An additional baker tanks was brought
to the site and the purchase of pumps was required to help contain the rain water on site.
The pumps had to be placed inside perforated trash cans with gravel. This system allowed
clean water (not mucky water) to be pumped into the baker tanks, permitting discharging
into the sewer system. The Contractor required a labor on site during the day to assist with
continues pumping of the rain water, allowing for rain water to store on site during the
nights. Contractor reviewed and modified the existing BMP’s constantly to mitigate that no
water leave the site. Currently contractor activities have slowed down due to the rain
season and contaminated soils on site, once rain stops and the contaminated soils are
cleared hauling of the material and grading of the basement will resume. In addition the
review and processing of submittals and Request for Information (RFI’s) continue in high
Owner: City of San Rafael
Project/Construction Manager: Kitchell, Sacramento, CA
Architect: Mary McGrath Architects, Oakland, CA
Contractor – Alten Construction, Inc.
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