Pit & Quarry, February 2019
HAULING IN IT FOR THE SHORT HAUL Caldwell Stone turns to tailgates as a long term solution for short distance hauling BY BRITTANY LUTHI verybody does it try to carry as much as possible without dropping spilling or breaking anything Its human nature to load HAGENBUCH PHILIPPI IMAGES ALL E up with as much as possible to reduce the number of trips and save time When carrying groceries into the house for example no one makes three trips if they can find a way to carry extra bags and complete the job in two For hauling aggregate increasing load capacity is about more than saving time its about increasing revenue However in the case of Caldwell Stone Co in Danville Kentucky the risk of spilling debris on a paved highway results in loads reaching a point of diminishing return before achieving each trucks rated capacity I can see a truck crossing the road now says Clay Albright vice president at Caldwell while looking out over the quarry from the main office Our trucks dont haul more than a half mile from the stockpile to neighboring asphalt and cement plants but we have to be extra careful to not over fill Albright is referring to the danger and cleanup expense of spilling aggregate onto a public blacktop While Caldwells articulated trucks are rated at 35 tons they are forced to either under haul to prevent spillage or find a way to carry more with each trip Caldwell Stone direct dumps aggregate to the concrete plant delivering as much as 500 tons of material in an eighthour day Delivering 500 tons 30 tons at a time requires 16 to 18 trips A CENTURY AT CALDWELL Caldwell Stone began in the 1920s and nearly 50 years ago Albrights grandfather purchased the quarry from the founder W P Caldwell Im third generation Albright says I started mowing the grass here as a teen and have been full time since finishing college in 2006 not long after my granddad passed away Albrights father and grandfather kept the quarrys focus solely on extracting and crushing stone As a result a block plant ready mix plant and asphalt plant which all rely on Caldwell Stone for raw material established themselves adjacent to the quarry 38 PIT QUARRY February 2019 pitandquarry com
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