Naranjo and Su Seminar: Friday, September 20, 2019 – 11:00am in NCEL 3310 Posted on September 16, 2019 by Carrie Mott MacDonald Engineers Shih-Han Su and Adrian Naranjo will present “A discussion on the formulation and execution of geotechnical exploration programs for tunneling projects, and a case study of a difficult microtunnel project in Louisiana“.