The mix was air entrained, used ASTM C33 #67 coarse aggregate and placed at a 4-inch maximum slump. Docken Concrete employed the use of its Somero Laser Screed® with 3-D Profiler System.

Prior to owning the Ligchine machine, Griess placed concrete parking lots using a truss screed. He says the truss screed was fine in performing the job, however, being careful to set the forms ...