The newest Tri-Cityedition of Planet Fitness opened Sept. 17 at 1711 George Washington WayRichland.The 14,500-square-footfitness center is the third Tri-City gym for the ownership group, which consistsof Dr. Sandip Patidar, Daniel Mullin and Linda Mullin.Linda Mullin serves asoperator.The fitness centeroffers cardio machines, strength training equipment, locker rooms with showers,specialty workout...