Current through Register Vol. 43, No. 39, September 26, 2024
(a) The
application for each permit to construct, repair, or modify a dam shall be
accompanied by a design report prepared by the engineer who designed the new
dam or the repair or modification of an existing dam. The design report shall
document every major design element of the dam, the conditions that must be
addressed in the construction of the project, and the manner in which those
conditions will be addressed. The design report shall document the design
process, including references to each design method and computer program
utilized in the design, and shall include the following:
(1) The design of any slope protection for
the embankment and the auxiliary or service spillway. If no slope protection is
provided, the report shall provide justification for not having slope
protection;
(2) documentation of
the determination of the hazard class;
(3) a report of the geotechnical
investigation, including the results of the testing required in K.A.R. 5-40-40
through K.A.R. 5-40-42, and all boring logs not shown on the plans;
(4) documentation of the embankment design
based upon the geotechnical investigation;
(5) documentation of the hydrological
evaluation, including the determination of the composite curve number and
drainage area;
(6) if a proposed
dam is part of a general plan, the report shall evaluate whether the proposed
dam conforms to the general plan;
(7) the design of the foundations, including
the proposed depth of the cutoff trench;
(8) the design of the drains, including size,
material gradation, interface with soil, and outlets;
(9) the design of the pipe bedding, including
documentation that the loading and deflection conditions are met;
(10) the stilling basin design;
(11) documentation of the flood routing or
routings;
(12) the gradation of
the material in the diaphragm and the design of the diaphragm; and
(13) any other relevant information required
by the chief engineer.
(b) In addition to those items required in
subsection (a), the design report for each high-impact dam shall include the
following:
(1) The auxiliary spillway or
service spillway analysis required by K.A.R. 5-40-56(c), if applicable, or
K.A.R. 5-40-57(a);
(2) a slope
stability analysis; and
(3) an
embankment settlement analysis.
