NEW YORK CITY — SL Green Realty Corp. has broken ground on One Vanderbilt, a 58-story office tower located in Manhattan’s East Midtown business district. Designed by Kohn Pederson Fox Associates, tower will offer 1.7 million square feet of Class A office space. The project also includes $220 million of public improvements to Grand Central Terminal, which is adjacent to the tower. TD Bank is set to occupy 200,000 square feet of office and retail space at the property, upon its completion in 2020. Hines is serving as development manager and AECOM’s Tishman Construction is serving as construction manager.