SA Water Tank Condition & WQ Assessment - Version 3.0

• Facility Name

• Maximo ID

• Conducted on

  Date

• Prepared by

• Location
  Address

• Inspection Team

• Use this template for brief or full site inspections. Please see the Appendix section for examples if required.

Type of inspection

• Inspection type?

  Draindown

  ROV

  Dive

  Drone

  External

Tank Condition Assessment

• Where required give positions as per a clock face dial with the hatch being at 6 o'clock.
  For condition scoring:
  1. Asset as new
  2. Initial signs of deterioration
  3. Satisfactory (unless in an area of high risk)
  4. Poor/action required (especially in high risk areas)
  5. Urgent action required

• Is an internal assessment being conducted?

  Yes

  No

Internal Assessment

Cleanliness of tank?

• Sedimentation Details

• Describe sediment type (fine silt, sand, mud etc)

• Max/average sediment depth (mm)

• Coverage (patchy, floor covered, walls etc.)

Pipework Condition

• Pipework Condition

• Inlet/outlet configuration

  Common inlet/outlet

  separate inlet/outlet

• Is the inlet/outlet caged?

  Yes

  No

• Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Functional? (i.e. is the asset doing what it is supposed to do?)

• Is the inlet caged?

  Yes

  No

• Inlet Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Functional? (i.e. is the asset doing what it is supposed to do?)

• Is the outlet caged?

  Yes

  No

• Outlet Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Functional? (i.e. is the asset doing what it is supposed to do?)

• Overflow Pipe

• Type of overflow

  Floor mounted Standpipe

  Wall mounted Bellmouth

• Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Functional? (i.e. is the asset doing what it is supposed to do?)

• Overflow has vermin proofing?

  Yes

  No

  Can't See

Internal Access Condition

• Internal Access

• Internal Access present?

  Yes

  No

• Condition? (Using scoring criteria above)

  1

  2

  3

  4

  5

Wall Internal

• Wall (Internal) Condition

• Crack Evident

  Minor/Local

  Widespread

  NA

• Approximate total length (m)

• Approximate total length (m)

• Spalling of Concrete(Local/Widespread)

  Minor/Local

  Widespread

  NA

• Area Damaged Wall (m2)

• Area Damaged Wall (m2)

• Overall Wall Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

Floor Condition

• Floor Condition

• Floor/Ring Beam -Wall Joint/Seal Condition

  Good

  Fair

  Poor

  N/A

• Column Base to Floor Cracking

  Yes

  No

• Floor Seals Condition

  Good

  Fair

  Poor

  N/A

• Cracks Evident

  Minor/Local

  Widespread

  NA

• Approximate total length (m)

• Total approximate length (m)

• Is there a liner or paint/coating present on the floor?

  Yes

  No

• Liner or Paint/Coating Condition

  1

  2

  3

  4

  5

• Liner/Coating is functional? (i.e. is the asset doing what it is supposed to do?)

• Overall Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

Column Condition

• Column Condition

• Columns in tank?

  Yes

  No

• Material Type (AL, Composite, Steel, Conc,)

  Concrete

  Steel

  FRP/GRP

  AL

  Other

• Total Number of Columns

• Number of Columns with 4/5 Grade

• Overall Condition? (Select worst condition grade)

  1

  2

  3

  4

  5

Internal roof/support beams condition

• Beam/Purlin Condition

• Wall -Beams/Purlins Connection

  1

  2

  3

  4

  5

• Construction Material

  Steel

  Galv Steel

  AL

  Other

  Concrete

• Overall Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

Cathodic Protection

• Cathodic Protection Condition

• Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Functional? (i.e. is the asset doing what it is supposed to do?)

External Assessment

• Is an external assessment being conducted?

  Yes

  No

Safe Access

• Grids, Grates and Cover

• Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Ladder/Stairways

• Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Platform/Walkways/Flight Bridges

• Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Handrails

• Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Davit Sleeve/Mount

• Condition?

  Pass

  Fail

  N/A

• Anchor Points

• Condition?

  Pass

  Fail

  N/A

Access Hatch

• Entry hatch

• Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Functional? (i.e. is the asset doing what it is supposed to do?)

• Any other hatches or entry points?

  Yes

  No

• Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Functional? (i.e. is the asset doing what it is supposed to do?)

Roof & Drainage

• Roof Condition

• Fastener Type

  Hook bolt

  Tek Screw

  Hook bolt & Tek Screw

  NA

• Fastners Overall Condition

  Good

  Fair

  Poor

  N/A

• Roof Ventilation Condition?

  Good

  Fair

  Poor

  N/A

• Number or % of Roof with 4/5 Grade

• Overall Roof Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

• Drainage Condition

• Drainage Type?

  Drainage Apron

  Gutters

  NA

• Drainage Apron Condition?

  Good

  Fair

  Poor

  N/A

• Functional? (i.e. is the asset doing what it is supposed to do?)

• Gutters Condition?

  1

  2

  3

  4

  5

• Functional? (i.e. is the asset doing what it is supposed to do?)

Wall External

• Wall External Condition

• Coating/Paint condition

  Good

  Fair

  Poor

  N/A

• Day plane/Joint Issues

  Select Active Leakage Leakage Evident Self-healing Minor/Local Widespread NA

  • Active Leakage
  • Leakage Evident
  • Self-healing
  • Minor/Local
  • Widespread
  • NA

• Cracks Evident

  Minor/Local

  Widespread

  NA

• Approximate total length (m)

• Approximate total length (m)

• Spalling of Concrete

  Minor/Local

  Widespread

  NA

• Area Damaged Wall (m2)

• Area Damaged Wall (m2)

• Carbonation test done?

  Yes

  No

• East

• Carbonation depth

• Cover depth

• South

• Carbonation depth

• Cover depth

• West

• Carbonation depth

• Cover depth

• North

• Carbonation depth

• Cover depth

• Overall Condition? (Use scoring criteria above)

  1

  2

  3

  4

  5

Water Quality Hazards (only complete this section if conducting a full assessment)

• Complete a Water Quality Hazard Assessment?

  Yes

  No

• Roof Type

  Solid Roof

  Floating Cover

• Is the floating cover free of holes and tears?

  Yes

  No

• Is the floating cover free from water pooling?

  Yes

  No

• Is the floating cover free of vegetation growth?

  Yes

  No

• Do all tank hatches form an adequate seal and show no signs of tampering?

  Yes

  No

  N/A

• Are all external structures (SCADA boxes etc) adequately sealed?

  Yes

  No

  N/A

• Is there evidence of vermin or bird nesting? (Nests, droppings etc)

  Yes

  No

• Is there any evidence of contamination within the tank (visual inspection from tank hatch)?

  No

  Yes

  N/A

• Is storage/site secure and free from vandalism?

  Yes

  No

• Tank overflow discharge is protected from vermin accessing entry to the pipe?

  Yes

  No

  Can't See

• Miscellaneous (insert any other relevant comments/observations here)

• Roof sheeting provides an adequate seal?

  Yes

  No

  N/A

• Roof is free of entry holes for vermin and contamination?

  Yes

  No

• Roof is free of corrosion?

  Yes

  No

• Are all roof bolts in place?

  Yes

  No

• Are vermin stoppers present and in good condition providing an adequate seal?

  Yes

  No

• Do all tank hatches form an adequate seal and show no signs of tampering?

  Yes

  No

• Are all external structures (SCADA boxes etc) adequately sealed?

  Yes

  No

• Do all air vents provide adequate seal and do not allow direct access to contamination or vermin

  Yes

  No

  N/A

• Do all gutters drain external to the tank? (I.e. rainwater is not directed into the tank)

  Yes

  No

  N/A

• Are all gutters clear of leaf litter, vegetation and debris?

  Yes

  No

  N/A

• Is there evidence of vermin or bird nesting? (Nests, droppings etc)

  No

  Yes

  N/A

• Is there any evidence of contamination within the tank (visual inspection from tank hatch)?

  No

  Yes

  N/A

• Is storage/site secure and free from vandalism?

  Yes

  No

• Tank overflow discharge is protected from vermin accessing entry to the pipe?

  Yes

  No

  Can't See

• Miscellaneous (insert any other relevant comments/observations here)

Security Inspection

• For condition scoring:
  1. Asset as new
  2. Initial signs of deterioation
  3. Satisfactory (unless in an area of high risk)
  4. Poor/action required (especially in high risk areas)
  5. Urgent action required

• Fencing

• Condition? (Use scoring criteria above)

  Good

  Fair

  Poor

  N/A

• Functional? (i.e. is the asset doing what it is supposed to do?)

• Locks

• Condition? (Use scoring criteria above)

  Good

  Fair

  Poor

  N/A

• Functional? (i.e. is the asset doing what it is supposed to do?)

• Site access

• Condition? (Use scoring criteria above)

  Good

  Fair

  Poor

  N/A

Site Condition/Issues

• Long grass?

  Yes

  No

• What does this affect?

  Access

  Operations

  Safety

  Appearance

• Access road?

  Yes

  No

• What does this affect?

  Access

  Operations

  Safety

  Appearance

• Weeds?

  Yes

  No

• What does this affect?

  Access

  Operations

  Safety

  Appearance

• Tree?

  Yes

  No

• What does this affect?

  Access

  Operations

  Safety

  Appearance

• Vermin?

  Yes

  No

• What does this affect?

  Access

  Operations

  Safety

  Appearance

• Rubbish?

  Yes

  No

• What does this affect?

  Access

  Operations

  Safety

  Appearance

• Other?

  Yes

  No

Completion

• Audit complete?

• Add signature

  Sign

Examples

• Display examples?

  Yes

  No

Solid Roof

• Roof sheeting not providing an adequate seal

  

• Roof corrosion and entry hole

  

• Absence of vermin stoppers

  

• Wiring conduit resulting in direct entry (a)

  

• Wiring conduit resulting in direct entry (b)

  

• Vent cover adequately sealed

  

• Vent holes allowing direct access

  

• Tank gutter containing leaf litter/debris

  

• Evidence of rodent activity

  

• Evidence of bird nesting

  

• Evidence of contamination on the surface

  

• Evidence of contamination beneath the surface

  

Floating Cover

• Hatch bolt missing

  

• Water pooling on cover

  

• Vegetation growth on floating cover