Before awarding any contract for construction of works the governing body shall cause to be published a notice inviting sealed bids for doing it.
The notice shall refer to the plans and specifications on file. It shall be published twice in a daily, semi-weekly, or weekly newspaper, published and circulated in the district, and designated by the governing body. If there is no newspaper published in the district, and the district is less than a county, the notice shall be published in a newspaper in the county in which the district is located.
The time fixed for receiving bids shall be not less than ten days from the first publication of the notice.
Ca. Health and Saf. Code § 5012