- (a) No person shall commence construction unless written approval has been received from the department in accordance with Env-Or 307.06(b).
- (b) During construction, the owner shall not cause or allow a substantial design change without first obtaining approval of the change from the department.
- (c) All substantial design changes shall be approved in writing by the design engineer of record and resubmitted for department approval.
Source. (See Revision Note at chapter heading for Env-Or 300) #10487, eff 2-7-14; ss by #14094, eff 10-4-24