Description
A Mandrel is a Device that can be passed through a conduit to prove it is suitable for cable installation. The mandrel must be at least 80% of the internal diameter of the conduit section being proved.
Under the Fibre ready guidelines the Developer is required to undertake the testing of each installed conduit.
Mandrels are mandatory for all new developments under the Fibre ready guidelines. NBM / ISGM cannot accept any new development on behalf of Telstra without proof that each section of conduit has been successfully proven with a mandrel.
Why is this required?
Mandrels are required in Fibre ready pit and pipe specifications for Real Estate Development Projects.
What is required?
Prior to any handover of ownership of Conduit every Conduit must be proved by passing a mandrel of a diameter no less than 80% of the Conduit internal diameter through its entire length.
Where the mandrel does not pass easily, corrective action must be undertaken, and the mandrel test redone.
Nominal Conduit Size Actual Internal Diameter Minimum Mandrel Diameter
P100 104.9mm 84.0mm
P50 53mm 42.0mm
P23 23mm 18.0mm
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