Operation And Maintenance Plan Template Page 32
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39Dam ID: HI-####
Inspection No:
Hawaii Reservoir
Date:
Month Day, Year
5. Upstream Slope:
(Typical Slope ±
:
)
Slope Protection:
None Dumped Rock
Fitted Rip Rap
Grouted Rip Rap Liner
Other:
Defect in Protection: Description:
Erosion:
Loose soil w/ little vegetation
Rut (<6”)
Gully (>6” deep)
Not Visible
None Observed
Description:
Cracks:
Parallel with crest
Perpendicular to crest
Slide visible
Not Visible
None Observed
Description:
Sinkholes:
# Observed:
Not Visible
None Observed
Size:
and
Depth
Description:
Vegetation:
None Low Ground Cover
Bushes or Tall Grass
Trees #
<6” >6” & <20”
>20”
Description:
Findings:
a. The upstream slope was not inspected.
b. Satisfactory – Expected to fulfill intended function – no corrective action required.
c. Fair - Expected to fulfill intended function, but maintenance or other actions are recommended.
d. Poor – May not fulfill intended function; maintenance, repairs, or other actions are necessary.
e. Unsatisfactory – Is not expected to fulfill intended function; repair, replacement, or modification is necessary.
f. Unknown – Not visible, not accessible, not inspected, or unable to determine based on the observation taken.
Corrective Actions:
g. Slope protection needs maintenance or repair. Description:
h. Rut and/or Gully erosion was observed on the slope, which requires maintenance and/or repair.
Description:
i. A crack was observed on the slope, which requires further investigation to determine the underlining cause.
Monitor the area and/or repair as required.
j. A sinkhole was observed on the slope, which requires further investigation to determine the underlining cause.
Repair and monitor the area.
k. The upstream slope was not visible due to high grass and bush vegetation. Clear high vegetation and
maintain low to enable easy visual inspection.
l. Tree(s) were observed on the dam embankment. Trees have been identified as the probable cause of piping
failures, and can possibly cause severe damage to the embankment if they are uprooted during a high winds.
Corrective action is required to remove the tree hazards from the dam. All repair work shall be accomplished
as per the requirements of licensed geotechnical or civil engineer. Routinely monitor the damaged area for
signs of settlement and seepage.
m.
Sheet 4 of 11
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