Communications

Below Ground Clearances


  • Communication systems installed below ground must:
  • Maintain a separation from other services in accordance with below ground separation distances or manufacturer’s specification.
  • Be in dedicated telecommunications white conduit.
  • Have spare conduits labelled, equipped with draw wire and be sealed at both ends.
  • Maintain a separation from LV or HV power cabling in accordance with the Table 4 of AS/CA S009:2013 outlined below (i.e. underground customer cabling separation from power cabling).

Below Ground Cover


  • Comms pits to be labelled, free of debris and sitting on a gravel bed of no less than 300mm and / or provided within drainage to the stormwater system
  • Communication services installed below ground must have minimum depths of (refer table):

Above Ground Clearances


  • Communication systems installed above ground must maintain a separation from other services in accordance with above ground separation distances or manufacturer’s specifications.


Services Crossover


  • Separation distances outlined in Appendix 1 and 2 or as per manufactures specifications must be maintained where services cross over.

Cable Supports


  • Communication cabling must:
  • Be installed in accordance with the cable manufacturer’s instructions.
  • Be supported on cable trays, catenary supports or baskets.
  • Be strapped to the soffit which must:
  • Have no more than 24 cables bunched together or as per manufacturer specifications.
  • Have spans between soffit clips sufficient such that cabling does not sag in between clips.
  • Have approved cable fasteners installed:
  • At intervals that comply with Table 8.1 of AS/NZS 3084 .
  • In accordance with the manufacturer’s specified spacing.
  • Using velcro fastening type. Nylon/zip style cable ties are not to be used.

Seismic


  • Seismic restraints/bracing in accordance with AS1170.4 - 2007 must be:
  • Detailed and installed as per approved shop drawings.
  • Installed for communications systems such as cable systems, motor control devices, switchgear, transformers and unit substations.
  • Separation between restrained and unrestrained services must be in accordance with the table below: