Action to compel one of the parties to bear the costs of establishing a Special Committee to hear a challenge to arbitrators in arbitration proceedings before the CAM-CCBC. Cumulative claims, including one for nullity of a partial award. Subsequent resignation of the arbitrators. Commencement of new proceedings with new arbitrators. Consequent mootness of the action in view of the unnecessary establishment of the Committee and the loss of effect of the partial award. Fees awarded by court to opposing counsel assessed against one of the defendants, who was responsible for advancing the costs of establishing the Special Committee, but apportioned among the remaining defendants: