John R. Parmater, president of Bultema Dock and Dredge Company, Muskegon, Mich., recently announced the promotion of George W. Yarbrough to director of estimating, engineering and equipment. Reporting directly to the president, Mr. Yarbrough will develop, direct, coordinate and control all activities of the Estimating, Engineering and Equipment Departments.

Bultema Dock and Dredge Company's capabilities include installation of underwater pipelines, harbor, breakwater, cofferdam, dock, pier, dike and reef construction.

Mr. Yarbrough came to Bultema in 1979 with a strong background in commercial and marine construction. He has held positions as chief estimator and superintendent. A native of Florida, Mr. Yarbrough holds a degree in building construction from the University of Florida.