In re Arbitration between City of Watertown & Watertown Professional Firefighters' Ass'n — Local 191

—Order unanimously affirmed with costs. Memorandum: Petitioner, City of Watertown (City), commenced this proceeding pursuant to CPLR 7511 to vacate an arbitration award that determined that it had violated the provisions of a collective bargaining agreement with respondent union concerning the manner in which firefighters hired on and after December 7, 1993 (new hires) could schedule and use accrued annual leave. The City contends that the arbitrator exceeded his power by changing the contract between the parties and that the arbitrator’s award is irrational. We disagree and conclude that…