Lake Whatcom Water & Sewer - AC Water Main Replacement

Project Overview

Provided design and construction phase services for replacing 13,000 feet of asbestos concrete (AC) water mains in residential areas. Project included evaluating replacement pipe materials and methods (open trench vs. pipe bursting vs. directional drilling.) Project included new fire hydrants and service line replacements. About 770 feet was replaced using pipe bursting due to site constraints and proximity to other utilities. Directional drilling was also used in two other locations on private property and adjacent to large trees. Work included topographic survey and base mapping, hydraulic analyses, permits, construction inspection and administration.

Client Contact

Lake Whatcom Water & Sewer District


Bellingham, WA

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