Hurricane Ridge Switchback Trail
Location: Hurricane Ridge Switchback Trail
Agency: Western Federal Lands Highways
Contract ID: 69056719P000053
Verdis was the prime contractor and self-performed site superintendence, quality control and labor to replace a failing culvert down drain system in Olympic National Park. A new spillway was installed to accept 90 LF of new 48” corrugated galvanized culvert was installed down a 1:1 slope, anchored into Class IV rip rap with 8’ long anchor rods that were driven into the hillside. A new concrete headwall was constructed at the uphill inlet for the culvert and new down drain.