rendering services in the fields of Geotechnical Engineering, Environmental Studies, Geophysical and Forensic Studies and Construction Monitoring and Materials Testing...Geotechnical Services, Inc. :: Geotechnical Engineering and Materials Testing Geotechnical Services, Inc. (GSI) comprises an association of engineers, scientists, and technicians...

, has over 20 years experience in construction, engineering and materials testing. Mr. Wetherbee has served in the capacity of construction project manager, director of materials... the full range of environmental, geotechnical, and construction related services for projects of various magnitude and scope. Mr. Harry K. Wetherbee, P.E., MSCE, Principal Engineer... testing, and construction resident engineer. Mr. Wetherbee has gained a considerable understanding of the latent difficulties associated with earthwork and geotechnical construction...

. MANCHESTER CIVIC CENTER Construction Material Testing GSI had several responsibilities on this large project consisting of contracts with the excavation contractor and the City... of an existing four-story condominium to support the construction of three additional floors. (Download PDF) NEW ROUTE 4 BRIDGE IN BOSCAWEN Bridge Trestle and Cofferdam GSI... provided the construction engineering design services for the new Route 4 Bridge over the Merrimack River in Boscawen, NH. (Download PDF) CENTRAL HIGH SCHOOL - MANCHESTER, NH Vertical...