Mastermyne's order book is at a record level of $700 million.
AMM Awards winners for 2020 announced.
Has new Rocsil foam that it says brings cost benefits.
The contract extension is forecast to generate revenue of $17 million over the seven month period.
Mastermyne is using new technology for underground coal mining and development.
Work under this contract is estimated to contribute revenues of about $250-$300 million.
The price and outlook for metallurgical coal remain strong due to quality and demand.
Will allow the bulk of the drift to be ventilated so recovery works can prgoress.
So far, 120 Mastermyne leaders have learnt the science of human behaviour.
Full mobilisation is planned for the end of November.
The cash component of the acquisition was funded from Mastermyne's available cash.
Mastermyne record in roadway development.