Operation And Maintenance Plan Template (Page 38 of 39) in pdf

Dam ID: HI-####

Inspection No:

Hawaii Reservoir

Date:

Month Day, Year

11. Spillway:

Type:

 None  Culvert/Pipe  Channel

Description:

Dimension:

ft.

Invert elevation:

ft. per staff gage

Slope Protection:

 None

 Grass

 Dumped Rock

 Fitted Rip Rap

 Grouted Rip Rap

 Concrete

 Defect in Protection: Description:

Approach:

 Clear

 High Veg.  Trees

 Other:

Erosion:

 Scour

 Gully

 Headcut

 Not Observed

 Other:

Description:

Vegetation:

 None

 Low Ground Cover

 Bushes or Tall Grass

 Trees #

 <6”  >6” & <20”  >20”

Description:

Findings:

 a. The spillway 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. The spillway approach was blocked. Clear approach.



i. Severe scour erosion was observed which requires maintenance and/or repair.

Description:

 j. A headcut was observed downstream of the spillway. Corrective / mitigative action is required to prevent this

problem from moving upstream.

 k. Trees are unacceptable in the spillway channel and approach. Take corrective action to address the woody

vegetation problem and repair the damaged area.

 l. Unclear if spillway is adequately sized. Spillway should pass the probable maximum flood. Verify spillway

capacity and take corrective action as required.

 m.

12. Downstream Channel:

Name:

Downstream:

 Sump  Open Area

 Un-Defined Drainage-way

 Defined Drainage-way  Other

Items along Stream Bank:

 None

 Road

 Houses

 Town

 Not Inspected

Description:

Findings:

 a. The downstream channel 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.

Sheet 10 of 11

Operation And Maintenance Plan Template Page 38

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