NWT304 – Track Occupancy Authority

Purpouse

To prescribe the rules for authorising, issuing and using a Track Occupancy Authority (TOA)

General

A TOA authorises occupancy of track within specified limits for work on track or track vehicle movements

A TOA may be authorised for:

• Exclusive occupancy of track, or
• Joint occupancy of track if:
  • Following an unidirectional rail traffic movement, or
  • Rail trafffic is disabled, or
  • Rail traffic is stabled, or
  • Mutual agreement has been reached with the holder of another TOA for the same limits or ovelapping limnits, or
  • Mutual agreement has been reached with the holder of a Track Work Auhority (TWA)
• A TOA is issued to the Protection Officer for an agreed period.
• For track within the specified limits, a maximum of two TOAs may be in effect at any one time.
• A TOA may involve one or more track vehicles and machines working within the specified limits.