
    Beaver Concrete Breaking Co., Inc., et al., Appellants, v Cooper Union For the Advancement of Science and Art et al., Respondents.
   — Judgment, Supreme Court, New York County, entered on June 17, 1980, and the appeal bringing up for review an order of said court, entered on March 22, 1978 and an order of said court, entered on May 8, 1980, unanimously affirmed, without costs and without disbursements. No opinion. Concur — Murphy, P. J., Kupferman, Sullivan, Carro and Markewich, JJ.  