Section 20614 Of Article 37. County Waterworks Districts From California Public Contract Code >> Division 2. >> Part 3. >> Chapter 1. >> Article 37.

. The board of supervisors and the board of directors of the district, if any, may, by ordinance, resolution, or board order, authorize the general manager or other district officer to order changes or additions in the work being performed under contracts made pursuant to this article in an amount not to exceed:
  (a) For contracts whose original cost is less than fifty thousand dollars ($50,000), the amount of the change or addition shall not exceed five thousand dollars ($5,000).
  (b) For contracts whose original cost is fifty thousand dollars ($50,000), but less than two hundred fifty thousand dollars ($250,000), the amount of the change or addition shall not exceed 10 percent of the amount of the cost of the original contract.
  (c) For contracts whose original cost is two hundred fifty thousand dollars ($250,000) or more, the amount of the change or addition shall not exceed twenty-five thousand dollars ($25,000), plus 5 percent of the amount of the cost of the original contract that is in excess of two hundred fifty thousand dollars ($250,000). In no event shall any change or addition exceed two hundred ten thousand dollars ($210,000).