Richard T. French has been named president of Kaiser Engineers Hanford Co. to replace Alex L. Lindsay, who is being reassigned to the Oakland headquarters. The appointment will be effective in mid-February. Kaiser Engineers Hanford is the engineer-constructor at the U.S. Department of Energy's, Richland, Wash., operations office. French is currently operations manager, performance assurance and technical support for EG&G Idaho Inc. at the U.S. Department of Energy's Idaho National Engineering Laboratory, Idaho Falls, Ida. EG&G Idaho is the operating contractor responsible for the management of DOE programs, as well as the operation of the 895-square-mile site.