Shauna England Weinmann (right) and Richard Marmolejo with the U.S. Army Corps of Engineers Sacramento District oversee painting of one of three Tainter gates March 3, 2015, at the district's 52-year-old dam at New Hogan Lake in Valley Springs, California. A $6.7 million project will replace nearly every moving part except the large, curved panels of the Tainter gates themselves— including additions such as environmentally-friendly paint and lighting, new water seals, and an electric hoist system.