Construction is complete on Arloparc, a 20-story residential building at 126 East 86th Street on Manhattan’s Upper East Side. Designed by Zproekt Architects and developed by Rybak Development and BK Developers, the 79,842-square-foot structure will yield 28 condominium units designed by STUDIO20MIGLIA, as well as 2,700 square feet of commercial space on the ground floor. Rybak is also…