Section 10251 Of Article 8. Modifications; Performance; Payment From California Public Contract Code >> Division 2. >> Part 2. >> Chapter 1. >> Article 8.

. The department may cause the insertion of provisions in any contract for the performance of such extra work and the furnishing of materials therefor by the contractor as the department requires for the proper completion or construction of the whole work contemplated, if the bidders have equal opportunity of knowing the proposed terms for the extra work.