BOARD01548

• Board Meeting Date: 1/25/2005
• Description: Proposed Revisions to the Rules and Regulations for Dam Safety and Dam Construction
• Board Meetings - Doc Type: Memo

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monitoring; the data recording format; graphical presentation of data; and, the parties who
will perform the work.

10.3 The engineer shall provide periodic review of the data included in the long-term monitoring
plan on at least an annual basis for the first five years, whereupon the monitoring shall continue in
accordance with Rule 15. The engineer shall submit the data and a written assessment ofthe dam's
performance to the State Engineer annually.

10.4 Upon written request by the owner and for good cause shown, the State Engineer may
temporarily approve storage of water prior to full compliance with Rule 10. The written request
shall include a schedule for compliance with Rule 10, a certification letter signed and sealed by the
engineer in accordance with Rules 10.2.1, a schedule for the first filling of reservoir in accordance
Rule 10.2.5, and a monitoring plan for observing the behavior of the dam and appurtenances during
the initial filling or refilling ofthe reservoir. For High Hazard and Significant Hazard dams, an
Emergency Action Plan prepared in accordance with Rule 16 shall be developed by the owner and
approved by the State Engineer prior to placing any water in the reservoir. Only a partial reservoir
filling will be granted under this rule. Final acceptance of the construction for full use of the
reservoir will not be granted until the requirements of Rule 10 have been satisfactorily completed.

10.5 The engineer and/or owner shall submit an Emergency Action Plan that conforms to Rule 16
within 60 days after the final construction inspection.

Rule 11. Construction. Modification. Repair and Breach of Non-iurisdictional Size Dams:

11.1 Notice of Construction - Any person intending to construct a non-jurisdictional size dam
other than a Livestock Water Tank or Erosion Control Dam, must submit notice of the intent to
construct the dam on forms provided by the State Engineer not less than 10 days prior to the
proposed construction. The State Engineer shall, within 10 days, determine the potential hazard for
loss oflife or significant damage due to failure of the structure and determine if the submittal of
plans and specifications and approval of the plans and specifications by the State Engineer is
required prior to construction. The forms shall be submitted to the Division Engineer of the Water
Division in which the dam is to be located.

11.2 Modification to Non-jurisdictional Size Dam - Jurisdictional size dams proposed to be
altered to non-jurisdictional size shall comply with the following requirements:

11.2.1 For High Hazard or Significant Hazard dams, the owner shall submit plans for
approval in accordance with Rule 6.1.2.

11.2.2 For Low Hazard or NPH dams, the owner shall submit written notice of the intent to
alter the dam to the State Engineer in accordance with Rule 6.1.3.

11.2.3 The engineer shall submit written notice of the completion of the project and file as-
constructed plans in conformance with Rules 10.

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