Repair a concrete culvert at night and on high terrain, requiring longer placement time because concrete would have to flow through 250 feet of hose down a mountain. During repairs on the highway and ...

"The Complete Guide to Stonescaping," by David Reed, presents the basics of stonescaping in easy-to-understand terms for projects that will be functional and beautiful. Many property owners with ...

Stormwater culverts can be dangerous places, due to hazards such as crumbling concrete ceilings, submerged obstacles, and toxic gas accumulations. The PIPE-i robot was designed with that fact in mind, ...