Pit & Quarry, February 2018
OPERATIONS The fully automated water recycling system uses and recycles about 14000 gallons of water per minute to separate sand fines THE LATEST AT CEMEXS BALCONES QUARRY 30 PIT QUARRY February 2018 pitandquarry com PHOTOS BY KEVIN YANIK ts hard to fathom how one operation can produce 10 million to 12 million tons of crushed stone per year but Cemex continues to do just that at its Balcones Quarry outside of San Antonio The downward view from atop the operations wash plant provides excellent perspective on the sheer volume of material moving out of this quarry as trucks continuously pour into the plant from one direction while countless others navigate out through a wheel wash system In addition to truck loadout Cemex sends aggregate out on unit trains from this New Braunfels Texas site thats made up of 100 employees Railed aggregate is shipped to distribution terminals in Houston where Cemexs ready mix division serves as one of the quarrys largest consumers of rail shipments Among the latest additions to the Balcones Quarry is a water recycling system separating aggregate sand fines that are reclaimed as a usable product The state of the art system completed in 2016 uses 90 percent less water each year than the amount previously required by a wash plant According to Lance Griffin Cemexs director of aggregate operations for Texas and New Mexico the plant recycles about 14000 gallons per minute A wash plant consisting of Sandvik 660 cones Syntron feeders Deister screens GIW and Schurco pumps and Van der Graaf drum motors among other components is relatively new to the Balcones Quarry as well The plant produces about 20000 finished tpd Griffin says In terms of safety Cemex recently instituted a glove policy at the operation I Inside the nations largest crushed stone operation BY KEVIN YANIK Lance Griffin director of aggregate operations for Texas and New Mexico welcomes a tour group to the Balcones Quarrys water recycling system and sand plant
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