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CARYL R. CARROL Martin Creek Ditch I D.D. & E. Reservoir . -- Paqe 5 The hazard potential of the dam shall be reassessed at least every ten years by a qualified engineer retained by the holder, and this information made available to the authorized officer. The Forest Service may change the hazard potential at any time based on changed conditions or new information. 3. Construction, Inspection, Certification, and Project Files For construction, rehabilitation or improvement, the holder shall provide for inspection by a qualified engineer to ensure adequate control of the work being performed. At a minimum, the qualified engineer shall maintain a daily inspection diary, descriptions of design changes, and records of construction material and found~tion tests. Upon bompletion of construction, rehabilitation, or improvement, the holder shall forward to the Forest Service a statement from the qualified engineer responsible for inspection certifying that the works were built in accordance with the approved plans and specifications, or approved revisions thereto. No water shall be impounded until approval is given by the authorized officer. All design notes, as-built plans, and the aforementioned diaries and records shall be maintained in a project file by the holder for the duration of this authorization, and shall be available to the Forest Service or other inspection personnel. 4. Dam Operation and Maintenance Plans Prior to the storage of water, the holder shall have an approved plan or plans for tHe operation and maintenance of the dam and appurtenant structures. The plans'~ill, at a minimum, describe operating requirements and procedures to be followed for the operation of the structure; routine or recurring maintenance required; recordkeeping to be performed for operation and maintenance; and individuals responsible for implementing the plans. The holder shall ensure the plans available to the individual responsible for plan implementation and the engineer performing any inspection, are reviewed at least at the time of the operation and maintenance inspection and are amended as conditions or requirements so warrant. No plans or amendments thereto shall be valid until approved by the authorized officer. 5. Dam Emergency Action Plan. The holder shall, prior to storage of water, prepare an emergency action plan which will include, but not be limited to: (1) Actions to be taken upon discovery of an unsafe condition or impending failure situation to prevent or delay dam failure, and reduce damage or loss of life from subsequent failure; (2) Procedures for notification of law enforcement, civil preparedness, and Forest Service personnel;