Ann: Arrowsmith North BFS and Maiden Ore Reserve, page-183

Extract from Tumby's link below in case you can not open the link.

Sand and rocks needed for construction with the number of major projects increasing, particularly in Sydney and Melbourne, quarries are starting to experience pressure.And with even more projects planned in the future, quarry owners are warning they will not be able to keep up with demand, meaning Australia will need to import sand and cement from overseas, pushing up the cost of projects.Victorian Premier Daniel Andrews used the predicted shortfall to reject a $4 billion proposal from the Federal Government to build the East West Link, a controversial tunnel project under Melbourne.New quarries also take years to go through planning and approvals and the sector is complaining of too much red and green tape."It's not like just turning up the tap, there are a lot of barriers in place before you can do that,'' Elizabeth Gibson from the Construction Material Processing Association said.Dr Gibson said more quarries would improve quality and price for builders.The AiGroup also says its members were reporting a growing problem for companies trying to obtain basic goods."The stone, quarrying materials, all of that sand is becoming more and more difficult to gather, we're talking more and more about importing those goods,'' Mr Willox said.A Morrison Government spokesman said it was working with the states and industry to address skills and workforce challenges."We are keenly aware of the skilled workers Australia will need into the future. That is why we are undertaking wholesale reforms to the VET sector to create better outcomes for students and employers,'' he said.The spokesman said the primary responsibility for procurement of infrastructure projects was state and territory governments, and the Federal Government would with them to tackle all challenges.