Michigan Administrative Code
Department - Environmental Quality
Water Resources Division
Dam Safety
Section R. 281.1310 - Inspection reports
Universal Citation: MI Admin Code R. 281.1310
Current through Vol. 24-04, March 15, 2024
Rule 10.
(1) Inspection reports shall include all of the information required in section 37(3) of the act.
(2) An inspection report shall include all of the following parts:
(a) A title sheet that includes all of the
following information:
(i) The name of the
dam.
(ii) The inventory
identification number.
(iii) The
county and river or stream where the dam is located.
(iv) The owner's and operator's names,
addresses, and telephone numbers.
(v) The hazard potential
classification.
(vi) The names of
inspectors.
(vii) The date of
inspection.
(viii) The name,
address, registration number, and signature of the licensed professional
engineer who is in charge of the inspection report.
(b) A conclusions and recommendations section
that includes all of the following information:
(i) An evaluation of the dam's overall
condition and a summary of the findings of the field inspection and analyses
contained in the report.
(ii)
Identification of any deficiencies that, if left uncorrected, could lead to the
failure of the dam.
(iii)
Prioritization of recommendations to correct observed deficiencies or operation
and maintenance items for the dam.
(iv) Recommendations for further detailed
studies or investigations, including an assessment of the adequacy of the
current hazard potential classification if appropriate.
(c) A project information section that
includes all of the following information:
(i)
A description of the dam, outlet, spillway, and other principal features,
together with pertinent data.
(ii)
The purpose of the dam.
(iii) A
summary of available design, geotechnical, maintenance, construction, repair,
and alteration information and operating history.
(iv) A reference to past inspection
reports.
(v) The date of
construction, if known.
(d) A field inspection section that briefly
describes the physical condition of the principal features of the dam and
appurtenant structures, including the impoundment level, as they were observed
during the field inspection.
(e) A
structural stability section that includes a visual assessment of the stability
of the dam on the basis of available data, together with the observations of
the field inspection and the results of any calculations performed.
(f) A hydrologic and hydraulic section that
includes an evaluation of spillway adequacy, including a description of
pertinent available information, such as any of the following:
(i) Hydrologic design data provided by the
department.
(ii) Drainage
area.
(iii) Floods of
record.
(iv) Previous
evaluations.
(g) An
operation and maintenance section that includes all of the following:
(i) An assessment of operating equipment and
procedures.
(ii) Evaluation of the
current maintenance plan.
(h) Appendices that include all of the
following:
(i) A map that shows the location
of the dam.
(ii) Engineering plans
of the dam, if available, or sketches of the dam and its principal parts,
including a plan view and cross sectional views of pertinent features. If there
have been changes to the dam since the submittal of previous plans or sketches,
supplemental plans or sketches that depict the changes shall be submitted. If
engineering plans or sketches have been submitted in a previous inspection
report and if there have been no changes to the dam, it is not necessary to
submit duplicate plans or sketches in subsequent reports.
(iii) Photographs of the dam, downstream
channel, and deficiencies cited in the report.
Disclaimer: These regulations may not be the most recent version. Michigan may have more current or accurate information. We make no warranties or guarantees about the accuracy, completeness, or adequacy of the information contained on this site or the information linked to on the state site. Please check official sources.
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