CQU - Switchroom Audits

• Document No.

• Audit Title

• Client / Site

• Conducted on

  Date

• Prepared by

• Location
  Address

• Personnel

AS/NZS 2067-2008 Requirements

• As per AS/NZS 2067, there are minimum safety requirements in a switchroom to ensure a safe area is maintained for both electrical operation & electrical workers.

Electrical

• Thermal-image the switchboard. Is there evidence of major heat spots?

  Yes

  No

  N/A

• No access available to live components of any voltage?

  Yes

  No

  N/A

• Is there adequate ventilation for battery or UPS compartments?

  Yes

  No

  N/A

Earthing

• HV ONLY - Earth cables minimum 35mm in diamater?

  Yes

  No

  N/A

• LV ONLY - Earth cables minimum 25mm in diamater?

  Yes

  No

  N/A

• Earthing system has at least 2 connected earth stakes?

  Yes

  No

  N/A

• Are all metallic parts in the switchroom bonded to earth?

  Yes

  No

  N/A

• All metallic exposure guards earthed?

  Yes

  No

  N/A

Housekeeping & Safety

• Is there sufficient labelling warning of electrical risks? (i.e. "DANGER - HIGH VOLTAGE AUTHORISED PERSONS ONLY"

  Yes

  No

  N/A

• Evidence of water ingress to the room?

  Yes

  No

  N/A

• Is there evidence of oil spills, fires or smoke in the switchroom?

  Yes

  No

  N/A

• Is there evidence of any damage to doors, windows, walls or ceiling?

  Yes

  No

  N/A

• HV ONLY: Switchroom doors have crash bars fitted and operational?

  Yes

  No

  N/A

• Doors lock securely to prevent unauthorized access, open outwards?

  Yes

  No

  N/A

• Egress paths from the switchroom are safe, unobstructed?

  Safe

  At Risk

  N/A

• Fire extinguisher is of type B(E) or AB(E) and is in date?

  Yes

  No

  N/A

• Has the 24-hour switchroom temperature average exceeded 35 Degrees Celsius?

  Yes

  No

  N/A

• Are fire-rated walls identified and labelled "FIRE RATED WALL DO NOT PENETRATE"?

  Yes

  No

  N/A

• Is there LVR rescue kit in the room, is it correctly sign-posted, and are components in date?

  Yes

  No

  N/A

Misc

• Are there any further issues in the switchroom that need rectification (i.e. Lighting, ventilation, messy areas)?

  Yes

  No

  N/A

National Construction Code Requirements

• As stipulated in AS/NZS 2067 Section 5.5, electrical switchrooms shall comply with the requirements of the Building Council of Australia's National Construction Code (NCC). BCA Class 8 buildings are used as a guide.

• Do all egress paths have battery-backed exit lighting?

  Yes

  No

  N/A

• Is there sufficient emergency lighting in the switchroom?

  Yes

  No

  N/A

• Is there an exit within 20m of all points in the room?

  Yes

  No

  N/A

• Is the external area to the escape door free from blockages (i.e. vehicles, gardens, etc) within 1 metre, either existing or potential?

  Yes

  No

  N/A

AS/NZS 3000 Requirements

• As per AS/NZS 3000, there are minimum safety requirements in a switchroom to ensure a safe area is maintained for both electrical operation & electrical workers.

General Safety

• Is there minimum 600mm clearance between the all electrical (open) panels and other obstructions (such as other panels, walls, fences, pits)?

  Yes

  No

  N/A

• Is there a secondary egress path for boards with capacity over 800A, length >3m or fault current of >15kA?

  Yes

  No

  N/A

• Is the board in a location where smoke or fire could impact egress from a building?

  Yes

  No

  N/A

• Are the seals around the switchboard suitable to contain smoke and fire in the event of a failure (minimum IP5X)?

  Yes

  No

  N/A

• Switchboard is not in a hazardous area?

  Yes

  No

  N/A

• Fire panel operational and fault-free?

  Yes

  No

  N/A

Electrical

• Is the MEN point correctly marked and secure?

  Yes

  No

  N/A

• Earths identified & correctly labelled?

  Yes

  No

  N/A

• Are all isolation points clearly marked?

  Yes

  No

  N/A

• Have all RCD circuit breakers tested within the last 12 months?

  Yes

  No

  N/A

• Are all gap fillers installed securely, with no outstanding gaps?

  Yes

  No

  N/A

• Are safety services (lifts, fire, etc) separated from general power distribution?

  Yes

  No

  N/A

• As per section 7.2, it is critical that safety services are not at risk of isolation due to fault in another part of the electrical system.

• Are dual feeds correctly labelled?

  Yes

  No

  N/A

• Have all instances of nuisance tripping (since last audit) been investigated and rectified (where necessary)?

  Yes

  No

  N/A

• Is there suitable segregation between circuits in cable tray/conduit?

  Yes

  No

  N/A

• Are cable trays secure, no rust/degradation and earthed at all non-bolted joints?

  Yes

  No

  N/A

General Power

• Are all GPO's protected by an RCD?

  Yes

  No

  N/A

• Are GPO's clean and dry?

  Yes

  No

  N/A

• Are GPO's free from damage (no cracking, switches operational)?

  Yes

  No

  N/A

General Lighting

• Is lighting sufficient in the switchroom?

  Yes

  No

  N/A

• 160lux or greater is recommended for general electrical tasks.
  400lux or greater is recommended for electrical maintenance work, and can be achieved by task lighting.

• Are all light fittings operational (i.e. no blown bulbs or elements)?

  Yes

  No

  N/A

• Are light fixtures secure from damage?

  Yes

  No

  N/A

• Is emergency lighting in the switchroom sufficient?

  Yes

  No

  N/A

• It is recommended that an emergency lighting level of >1lux is present. This can be achieved by using battery-backed fluoro or LED tubes, spitfires or similar fixtures.

• Are lighting fixtures suitably earthed?

  Yes

  No

  N/A

Electrical Parameters

• Red-Earth Voltage:

• Blue-Earth Voltage:

• White-Earth Voltage:

• Neutral-Earth Voltage:

• Power Factor:

• Blue Phase Current:

• Red Phase Current:

• White Phase Current:

• Is the earth system in tact (no damage)?

  Yes

  No

  N/A

• Earth resistance?

Miscellaneous

• Are there any other issues that need raising?

  Yes

  No

  N/A

Switchroom Drawing Set

• Is there a folder of drawings present in the switchroom?

  Yes

  No

  N/A

• Are there red-line markups present in the switchroom drawing set?

  Yes

  No

  N/A

• Add photos of redline markups present.

  Media

• Add a comment about the redline markups present

• Are there red-line markups present in the DFM drawing set?

  Yes

  No

  N/A

• Add photos of redline markups present.

  Media

• Add a comment about the redline markups present

• Do redlines in DFM and field match?

  Yes

  No

  N/A

Finalise Audit

• Are there any Danger, Isolation, Hazard or Information tags in the switchroom?

  Yes

  No

  N/A

• If yes, please ensure you take photos of each tag (both sides).

• Are there any other issues in the Switchroom that should be noted?

  Yes

  No

  N/A

• Ensure that this report is emailed to #######@cqu.edu.au for actioning of any outstanding items.

Sign off by auditor.

• Switchroom checked by:

• Signature:

  Sign