Nov 30 (Reuters) - Aurizon Holdings Ltd AZJ.AX
* unit submitted to queensland competition authority (qca) draft access undertaking for central queensland coal network for 1 july 2017 - 30 june 2021.
* aurizon network proposes an overall maximum allowable revenue (mar) of $4.892 billion over four year regulatory period. Source text for Eikon: ID:nASXbHbZG0 Further company coverage: AZJ.AX