On November 18, 2015, Matthew Wallin will serve as a volunteer instructor for the Northwest Chapter of the North American Society for Trenchless Technology. Mr. Wallin will be teaching NASTT’s Trenchless Technology Short Course – New Construction. The course is being offered in conjunction with the Northwest Trenchless Conference which is occurring on the following day, November 19.


Mary Neher and David Bennett presented to the 
Matthew Wallin presented a paper at the 10th annual Western Regional No-Dig Conference, Exhibition, and Course on October 6th, 2014. Mr. Wallin’s paper discussed an