California Code, Public Utilities Code - PUC § 1097

(a) For purposes of assisting the construction project board of consultants in monitoring project construction, the corporation shall submit the current design, estimate of project costs, implementation schedule, and draft construction contracts to the commission and the construction project board of consultants before awarding any major construction contract.  The corporation shall inform the commission and the board of all bid quotations and any significant exceptions which the bidders may have taken to the corporation's engineering designs, specifications, and draft contracts.

(b) The examination by the commission and the construction project board of consultants of documents furnished pursuant to this section shall be conducted so as not to unreasonably delay the contracts, bidding, and awards process.