TRINITY PRODUCTS, LLC TRINITYPRODUCTS.COM 800.456.7473 TRI-LOC CASE STUDY Trinity Products’ Weldless Interlock System PROJECT: City of Redmond Far West Sewer Interceptor Improvement Project WW 17-01 SCOPE: Install 330 linear feet of 42" OD x .500" steel casing pipe for a 30" gravity sewer interceptor via directional bore. The installation was on an 11% grade through solid rock at the Redmond Dry Canyon wall at the Spruce right-of-way alignment near the intersection of NW 23rd Street. INSTALLATION: Most contractors shy away from rock boring, but when others walk, Stadeli Boring & Tunneling rises to the occassion. Equipped with a Robbins SBU rock head, Stadeli got to work. Anticipating rock and cobble on an installation requiring precise location and slope, Stadeli

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