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Committee recommends $15M professional services contract for Snow Valley ozonation project
Summary
The committee recommended approval of a six‑year, up to $15,000,000 professional services agreement with CDM Smith for design and engineering of an ozonation facility at the Snow Valley Water Treatment Plant to address taste and odor issues; BLA explained the contract is ~9% of a $165M project and recommended approval.
The San Francisco Public Utilities Commission asked the Board to authorize the general manager to execute a professional services agreement with CDM Smith for planning and specialized engineering services on the Snow Valley Water Treatment Plant ozonation project.
SFPUC project manager Brian Desor described recurring taste and odor incidents at the plant stemming from algal byproducts in the Calaveras and San Antonio reservoirs and said the proposed ozone facility — including an ozone building, liquid oxygen storage and ancillary systems — is intended as a long‑term remedy following a near‑term powder activated carbon installation.
Desor said the total capital program budget for the project is about $165,000,000 and that the requested professional services agreement is for up to $15,000,000 over six years to support planning, design and optional engineering support during construction.
The Budget Analyst reported that CDM Smith was selected through a competitive RFP, that optional construction‑phase support accounts for about $2.8M of the $15M, and that $15M is roughly 9% of the total project budget; the BLA recommended approval.
Supervisor Rafael Mandelmann asked the city attorney and controller why design and personal services agreements come to the Board while large construction contracts are exempt; Deputy City Attorney Anne Pearson explained that Charter section 9.118 exempts construction contracts from Board approval but not personal service agreements, and additional administrative code procedures apply to construction procurement.
