Elan Technology, a manufacturer in Midway, has announced the approval of a rotary calciner project that includes construction of a 15,000 square foot building and expansion of its workforce. "We’ve begun construction of the building and have contracted with Heyl Patterson for the new rotary calciner," Terry McCormick, Elan chief operating officer, said. "Once the project is completed later this year, we anticipate adding approximately 10 percent to our workforce."