Hurst Boiler & Welding Co. doubled the size of its manufacturing facilities and corporate headquarters in Coolidge, GA, to more than 220,000 square feet. The expansion includes a 35,000-sq.-ft. state-of-the-art vessel code shop and a 17,050-sq.-ft. space for training facilities and offices. Plant visitors will be able to view the latest in boiler technology and boiler vessel manufacturing processes.