Dam Visual Inspection Record

• Audit Title

• Document No.

• Conducted on

  Date

• Prepared by

• Weather

  Fine

  Overcast

  Light rain

  Heavy rain

• Rainfall since last inspection (mm)

• Visibility

  Excelent

  Good

  Low

  Poor

• Dam level (m AHD) (FSL=283 m AHD)

Reservoir banks

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Upstream batter

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Crest

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

Crest piezometers (left to right)

• P1a

• P1

• P2a

• P2

• CLa

• CL

• P3a

• P3

• CRa

• CR

• P4a

• P5a

• Add photos of any changes from previous inspections

  Media

Downstream batter

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Downstream toe

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Changes in colour of seepage

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Spillway approach (Primary and Secondary)

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Spillway culverts

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Concrete panel misalignment

  Not checked

  No visual evidence

  Minor

  Significant problem

• Condition of seals between concrete panels

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Spillway (primary) excavation batters

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Spillway chute

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Concrete panel misalignment

  Not checked

  No visual evidence

  Minor

  Significant problem

• Condition of seals between concrete panels

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Spillway stilling basin

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Condition of seals between concrete panels

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Spillway (secondary) excavation batters

• Slips/Erosion

  Not checked

  No visual evidence

  Minor

  Significant problem

• Cracking

  Not checked

  No visual evidence

  Minor

  Significant problem

• Settlement

  Not checked

  No visual evidence

  Minor

  Significant problem

• Seepage

  Not checked

  No visual evidence

  Minor

  Significant problem

• Condition of seals between concrete panels

  Not checked

  No visual evidence

  Minor

  Significant problem

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

Outlet works

• Valve condition (irrigation isolation)

  Select Not checked Closed with minor leak Closed no leaks Operates well, no leaks Operates with reduced function and/or leaks Non operational

  • Not checked
  • Closed with minor leak
  • Closed no leaks
  • Operates well, no leaks
  • Operates with reduced function and/or leaks
  • Non operational

• Valve condition (irrigation flow control)

  Select Not checked Closed with minor leak Closed no leaks Operates well, no leaks Operates with reduced function and/or leaks Non operational

  • Not checked
  • Closed with minor leak
  • Closed no leaks
  • Operates well, no leaks
  • Operates with reduced function and/or leaks
  • Non operational

• Valve condition (dump)

  Select Not checked Closed with minor leak Closed no leaks Operates well, no leaks Operates with reduced function and/or leaks Non operational

  • Not checked
  • Closed with minor leak
  • Closed no leaks
  • Operates well, no leaks
  • Operates with reduced function and/or leaks
  • Non operational

• Damage to concrete

  Not checked

  No visual evidence

  Minor

  Significant problem

• Leaks from flanges and fittings

  Not checked

  No visual evidence

  Minor

  Significant problem

• Condition of fittings

  Excelent

  Good

  Low

  Poor

• Outlet flow rate (ML/day)

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

V-Notches

• Outlet (mm)

• Spilling basin (mm)

• Toe centre (mm)

• Toe right (mm)

• Is there any changes in colour in the flows?

• Comments or additional information

• Add photos of any changes from previous inspections

  Media

• Is there any sign of unauthorized entry or damage to the site?

Summary and Sign-off

• Is a phone call to the dam safety engineer required due to any changes or issues observed?

  Yes

  No

• Dam safety engineer:
  David Wightman
  P 0418 352 884
  E david.wightman@tasmanianirrigation.com.au

• Sign on completion of inspection

  Sign

• Sign on review

  Sign