The governing board of each community college district, before letting any contract or contracts totaling one hundred fifty thousand dollars ($150,000), or more, in the erection of any new community college facility, or for any addition to, or alteration of, an existing community college facility, shall submit plans therefor to the Board of Governors of the California Community Colleges, and obtain the written approval of the plans by the board of governors. No contract for construction made by any governing board of a community college district contrary to this section is valid, nor shall any public money be paid for erecting, adding to, or altering any facility in contravention of this section.