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In areas where the depth to bedrock can be extremely shallow, a subsurface investigation becomes an important and sometimes costly component of a sanitary sewer design. Traditional methods such as digging test pits or completing borings are intrusive and provide limited information
with regards to the nature of the subsurface over large areas. In recent design projects, the feasibility of a variety of alignments was evaluated and a geophysical survey method was employed to investigate the bedrock in the various areas. This proved to be a cost-effective and accurate method
for investigating the depth to bedrock that minimized surface disturbances and provided continuous subsurface information.
Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed. WEF Members: Sign in (right panel) with your IngentaConnect user name and password to receive complimentary access.