Ash Dam B Inspection Record

• Date and Time

  Date

• Weather Condition

  Select Sunny Cloudy Wet Windy

  • Sunny
  • Cloudy
  • Wet
  • Windy

• Ash Dam inspector

  Select Boss Anderson Bevan Turner Bruce Robson Dan Ryan Josh Harris Karl Jones Other

  • Boss Anderson
  • Bevan Turner
  • Bruce Robson
  • Dan Ryan
  • Josh Harris
  • Karl Jones
  • Other

• Other inspector name

• MRL = 212.92 DSA = 213.58 Ash Beach = 211

Dam Storage Levels (m AHD)

• Is the level < 211m (low)?

  Yes

  No

• East pond level

• West pond level

• Dam storage level

Rain Gauge Readings (mm)

• Ash Dam B

• Ash Dam 4

Dam Crest Inspections

• Look for: longitudinal or transverse cracking, misalignment, excessive settlement, ants nests or animal burrows.

• Are roadway signage and guide posts in good condition?

  Yes

  No

  N/A

• Any deformations on the crest?

  Yes

  No

  N/A

• Does roadway drain to dam without pooling?

  Yes

  No

  N/A

• Is Roadway clear of vegetation?

  Yes

  No

  N/A

• Any depressions, cracks/changes?

  Yes

  No

  N/A

• Any other issue?

  Yes

  No

  N/A

Downstream Face of Dam Wall

• Look for: Any cracks, slides, cave-ins or sink holes, erosion, inappropriate vegetation, or turbid, excessive or new seepage, ants nests or animal burrows

• Is berm road drainage effective?

  Yes

  No

  N/A

• Are chainage markers in place?

  Yes

  No

  N/A

• Are chimney drainage point marker posts in place and clear of vegetation?

  Yes

  No

  N/A

• Any deformations, slumps or changes?

  Yes

  No

  N/A

• Any other issue?

  Yes

  No

  N/A

Spillway

• Look for: Any cracks or areas of distress on concrete, vegetation in approach channel.

• Any obstructions or damage?

  Yes

  No

  N/A

• Are booms in place and effective for oil and cenosphere control?

  Yes

  No

  N/A

• Any other issue?

  Yes

  No

  N/A

Seepage

• Look for: Any visible damage to seepage monitoring instruments.

• Any obstructions or damage to seepage weirs?

  Yes

  No

  N/A

• Any other issue?

  Yes

  No

  N/A

V Notch Weir Readings

V1

• Flow depth (mm)

• Pump on

  Yes

  No

  N/A

• Turbid

  Yes

  No

  N/A

V2

• Flow depth (mm)

• Pump on

  Yes

  No

  N/A

• Turbid

  Yes

  No

  N/A

V3

• Flow depth (mm)

• Pump on

  Yes

  No

  N/A

• Turbid

  Yes

  No

  N/A

V4

• Flow depth (mm)

• Pump on

  Yes

  No

  N/A

• Turbid

  Yes

  No

  N/A

V5

• Decomissioned

V6

• Flow depth (mm)

• Pump on

  Yes

  No

  N/A

• Turbid

  Yes

  No

  N/A

V7

• Flow depth (mm)

• Pump on

  Yes

  No

  N/A

• Turbid

  Yes

  No

  N/A

AD4

• Flow depth (mm)

• Pump on

  Yes

  No

  N/A

• Turbid

  Yes

  No

  N/A

Completion

• Is it necessary for WCF Supervisor to note any incidents?

  Yes

  No

• Inspector Signature

  Sign

• Save a copy of the Inspection report in Trim folder F/10/10242