The SmartShore shoring system from Pronal-USA is PE certified to be in compliance with OSHA standard 29 CFR part 1926, subpart P. It is approved for type A, B and C60 soils at depths up to 8 feet. It is made of puncture-resistant material and is easy to handle at 28 pounds. Its design allows two people to set up a trench box in under 10 minutes. It requires minimum storage space, and is flexible and adaptable to most types of excavations. 386/310-1558; www.pronal-usa.com.