California Code, Public Contract Code - PCC § 20113

(a) In an emergency when any repairs, alterations, work, or improvement is necessary to any facility of public schools to permit the continuance of existing school classes, or to avoid danger to life or property, the board may, by unanimous vote, with the approval of the county superintendent of schools, do either of the following:

(b) Nothing in this section shall eliminate the need for any bonds or security otherwise required by law.