A Devil of a Time

Nothing Simple About This Penstock Lining Project

From JPCL, June 2022

By Matthew Markowski and Eric Zimmerman, Sherwin-Williams Protective & Marine

Relining the interior of the 1.3-mile-long penstock that connects to the California Department of Water Resources’ Devil Canyon Power Plant outside San Bernardino, California, involved numerous challenges for the coatings contractors. This article will describe how the project team was able to brave tight quarters, steep vertical drops and an aggressive coatings schedule to reline the penstock on schedule....