A growing Grass Valley health-care clinic plans to build a nearly $5 million facility in the Glenbrook Basin. “We’re just very excited about it,” said Scott McFarland, chief executive officer of Western Sierra Medical Clinic, which plans to build the clinic on Old Tunnel Road, just north of Brunswick Road, behind the Sutton Way Safeway store. “This new building will help us meet the demands of the community,” McFarland told The Union. Western Sierra is a nonprofit community health center that began in 1989 in Nevada City as Miners Community Clinic, a solo practice by Dr. Dee Dawkins, based in …