KNMIS Dam visual inspection

• Tasmanian Irrigation Sprent Dam construction safety monitoring
  
  Dam ID: 8676
  Location: 1 Rodman's Road, Sprent
  Hazard Category: Significant

• Document No.

• Conducted on

  Date

• Prepared by

Spillway

• Are there any blockages or debris along the length

  No

  Yes

• Is there any erosion of the grass or rock lining

  No

  Yes

• Any signs of erosion in the floor and sides

  No

  Yes

• During flood events, was the spillway capacity exceeded and the dam wall overtopped?

  No

  Yes

Dam wall - crest, upstream and downstream slopes

• Is the crest uneven and any signs of settling, sinking or erosion

  No

  Yes

• Are there any wheel ruts or depressions that may allow water to accumulate

  No

  Yes

• Are there signs of erosion, slumping, bulging or collapse

  No

  Yes

• Are there any large cracks (record and monitor their size)

  No

  Yes

• Are there any trees and shrubs growing on the dam

  No

  Yes

• Are there any animal burrows

  No

  Yes

• Is the coverage of grass or rock on dam wall in poor condition

  No

  Yes

• Are there any seepages - indicated by green, dark coloured or wet patches

  No

  Yes

• Is there any water pooling around the toe of the downstream embankment

  No

  Yes

Outlet pipe: Leaks here may indicate internal erosion of the dam wall

• Is access around the outlet pipe restricted and overgrown with vegetation

  No

  Yes

• Is there any erosion, cracks and leaks around the outlet pipe

  No

  Yes

• Are there any blockages in outlet pipe

  No

  Yes

• Is there any corrosion of valves, pumps, other equipment or fixtures

  No

  Yes

• Are there any problems with valves, pumps or gates

  No

  Yes

Other:

• Is there any erosion around the banks of the reservoir

  No

  Yes

• Are there any fences around the dam wall that limit the access of animals and unauthorised persons in poor condition

  No

  Yes

• If the visual inspection of the dam identifies issues that cannot be resolved by regular maintenance then a dam engineer should be consulted for a more comprehensive assessment.

• Are the stock water tanks full?

  Yes

  No

  N/A

• Notes and comments and actions to be completed arising from the audit

• Photographs

  Media

• Sketches

  Drawing

• Signed by:

  Sign

• Date and time of inspection

  Date