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

details for the repair or alteration. Plans and specifications must be prepared by an
engineer. The provisions of Rules 5.10,5.11, and Rule 11 shall apply.

6.1.2.2 The plans and specifications shall contain sufficient detail to enable a
contractor to prepare a bid and construct the repair, or alter the dam to non-
jurisdictional size. The provisions of Rule 9 shall apply. The engineer shall give the
State Engineer not less that 7 days notice of the start of construction.

6.1.2.3 Upon completion of repair or alteration, the engineer shall file as-constructed
plans in conformance with Rule 5 and Rule 10.

6.1.2.4 The requirement for submitting as-constructed plans for altering an existing
jurisdictional size dam to non-jurisdictional size dam will be determined by the State
Engineer.

6.1.3 Application and Approval Requirements for Low Hazard and NPH Dams -
Plans for repair of Low Hazard dams, or NPH dams; and plans for the alteration of all Low
Hazard or NPH dams to non-jurisdictional size are exempt from provisions of Rules 5.7,
5.10, and 5.11, except as specified in Rule 6.1.3.1.

6.1.3.1 Notice - The dam owner must provide at least thirty days advanced written
notice to the State Engineer. The written notice must contain the name of the dam,
the location of the dam, the name of the owner, and a clear description of the work
to be performed.

6.1.3.2 Determination - If the State Engineer determines that plans and
specifications prepared by an engineer are necessary for the repair, the owner will be
notified within five working days from the date the owner's notice was received. A
cost estimate and filing fee will also be required. The owner cannot begin
construction until the plans and specifications are approved by the State Engineer. If
plans and specifications are not required, the State Engineer will inform the dam
owner of engineering and construction requirements, if any, and will perform
construction inspections as determined necessary.

6.1.3.3 Project Completion - The dam owner must keep the State Engineer
informed of the project status and provide the State Engineer with as-constructed
drawings and specifications within sixty days following completion ofthe work.
The as-constructed drawings must be drawn on good quality Mylar with permanent
ink (or equivalent), reproducible, and suitable for a long lasting permanent record.

6.1.4 Inflow Design Flood Requirements - The inflow design flood (IDF) requirements
for all existing dams shaH be determined in accordance with the principles of Rule 5.
Structures with spillways designed and approved prior to 1988 and in accordance with the
methods published in the U.s. Department of the Interior, Bureau of Reclamation, "Design
of Small Dams," Second Edition 1973, (later amendments, editions or subsequent
publications not included) shall be considered adequate for the original hazard

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