20.1 The following spans of hours provides the University's work areas with flexibility to meet varying workplace requirements:
||Span of hours
||6.00am to 5.00pm
|Attendant, Printing, Security, Cleaning
||7.00am to 5.00pm
||7.30am to 4.00pm
|Administration, Engineering, Information Technology, Library, Professional, Research, Stores, Technical/Draughting/Illustrating
||8.00am to 6.00pm
||6.30am to 7.30pm
The spans of hours reflect the times that work is paid at ordinary time rates.
20.2 The ordinary hours of work for a night assistant who is rostered on night work at the Mount Stromlo and Siding Spring Observatories may exceed 35 in a week provided that: they do not exceed 70 hours in a fortnight commencing on the day on which the night work begins; and such night work begins not earlier than 30 minutes before evening astronomical twilight and ends not later than 30 minutes after morning astronomical twilight on any day. Where night work is impracticable, a rostered night assistant may be employed on daytime duties. Overtime will be in accordance with clause 28.9 (Overtime).
20.3. The parties agree that given the demand to extend library opening hours, the span of hours for this staff category needs to be reviewed during the life of the Agreement. Accordingly, the parties agree to undertake a joint review of this span in the context of the future strategic plans for the University libraries