The Moose Creek Dam Safety Modification Project in North Pole, Alaska is a critical USACE initiative to address seepage and piping risks within an existing flood control system. The project includes installation of a slurry trench cutoff wall and jet grouting to enhance embankment stability and long-term performance.

H2R is providing verification boring, optical televiewer (OPTV) and CCTV inspection, and in situ permeability testing in support of cutoff wall construction. Work is performed under challenging subsurface conditions consisting of glacial till with hard, subrounded aggregates, requiring specialized drilling techniques and careful management of tool performance to maintain sample quality. Services also include on-site quality control support and evaluation of soil-cement materials to verify compliance with design requirements for this high-profile dam safety project.