BHK Engineering, D.P.C. is a multi-disciplinary consulting engineering firm continuing the work of Joseph K. Blum Company. Our expertise includes building maintenance, facade repair, structural design, and mechanical system upgrade projects. Our combined experience includes overseeing projects at more than 1,000 residential and commercial buildings and houses of worship in New York City. We specialize in the evaluation and design of building envelopes, as well as mechanical, electrical, and plumbing system improvements for existing high-rise buildings.