GR Engineering Services Limited announced that it has been awarded additional work by Bluestone Mines Tasmania Pty Ltd. (Bluestone Mines) that has a combined value of $31.7 million. This work will be performed by GR Engineering's team in Queensland and Tasmania. The new projects awarded include: An engineering, procurement and construction (EPC) contract involving the design, supply installation and commissioning of a new paste backfill plant & associated infrastructure at its Renison Tin Operations. Early front end engineering design work on the paste plant has been completed. The value of this project is $23.9 million. An EPC contract for the HV Power Upgrade Project that includes the design, supply & installation of new transforms and HV switchgear for Bluestone's existing main switchyard. The HV Upgrade Project has commenced and the value of this work is $7.8 million.