Appendix F. Civil Engineering Report Part 2

   STEP 3 – POTHOLE
   Validation as defined in AS5488-2013 (QL-A).
   After utilising a Telstra Accredited Plant Locator and prior to commencing construction, any
   electronically detected underground network must be positively identified (validated) by
   physically sighting it. This can be done by careful hand digging or using non-destructive water
   jet methods to expose the network.
   Manual potholing needs to be undertaken with extreme care and by employing techniques least likely to damage
   cables. For example, align shovel blades and trowels parallel to the cable rather than digging across the cable.
   Some Telstra Accredited Plant Locators are able to provide or assist with non-destructive potholing methods to
   enable validation of underground cables and ducts.
   If you cannot validate the underground network then you must not proceed with construction.
   Telstra will seek compensation for damages caused to its property and losses caused to Telstra
   and its customers.

   Important note: The construction of Telstra’s network dates back over many years. Some of Telstra’s pits and
   ducts were manufactured from asbestos-containing cement. You must take care in conducting any works in the
   vicinity of Telstra’s pits and ducts. You must refrain from in any way disturbing or damaging Telstra’s network
   infrastructure when conducting your works. We recommend that before you conduct any works in the vicinity of
   Telstra infrastructure that you ensure your processes and procedures eliminate any possibility of disturbing,
   damaging or interfering in any way with Telstra’s infrastructure. Your processes and procedures should incorporate
   appropriate measures having regard to the nature of this risk. For further information -
   http://ucm.in.telstra.com.au/about/media/emergencies-incidents/asbestos/index.htm?ssSourceSiteId=consumer-advice

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   STEP 4 – Protect:

       You must maintain the following minimum clearance distances between construction activity
       and the validated position of Telstra plant.


       Jackhammers/Pneumatic                     Not within 1.0m of actual validated location.
       Breakers
       Vibrating Plate or Wacker                 Not within 0.5m of actual validated location of Telstra
       Packer Compactor                          ducts.
                                                 300mm compact clearance cover before compactor can
                                                 be used across Telstra ducts.
       Boring Equipment                          Not within 2.0m of actual validated location.
       (in-line, horizontal and vertical)        Constructor to hand dig or use non-destructive water jet
                                                 method (pothole) and expose plant.
       Heavy Vehicle Traffic (over 3             Not to be driven across Telstra ducts (or plant)
       tonnes)                                   with less than 600mm cover.
                                                 Constructor to check actual depth via hand digging.
       Mechanical Excavators, Farm               Not within 1.0m of actual validated location.
       ploughing and Tree Removal                Constructor to hand dig or use non-destructive water jet
                                                 method (pot-hole) and expose plant.


      For blasting or controlled fire burning please contact Telstra Plan Services.

      If conducting roadworks all existing Telstra pits and manholes must be a minimum of 1.2m in from the back of
       kerb after the completion of your work.

      After the completion of any ground work in footways or roadway whereby the existing levels are being
       changed the depth of cover of the existing Telstra asset at the completion of work must not be less than the
       existing level before work commenced or of that of the recommendations of the ‘Road Opening Conference’,

TELSTRA CORPORATON ACN 051 775 556                                                DOC Version 28 (20th October 2017)