J. R. Stevenson Corp. et al., Plaintiffs, v. Dormitory Authority of the State of New York, Defendant and Third-Party Plaintiff-Appellant, and Louis Skidmore et al., Defendants and Third-Party Defendants and Third- and Fourth-Party Plaintiffs; S & M Plumbing Co., Inc., et al., Third-Party Defendants-Respondents, et al., Third- and Fourth-Party Defendants. (Action No. 1.); Dormitory Authority of the State of New York, Plaintiff, v. Commercial Union Insurance Company of New York, Defendant. (Action No. 2.); Walter Kidde Constructors, Incorporated, Plaintiff, v. Dormitory Authority of the State of New York, Defendant. (Action No. 3.); A. I. Smith Electrical Contractors, Inc., Plaintiff, v. Dormitory Authority of the State of New York, Defendant and Third-Party Plaintiff-Appellant. Laboratory Furniture Company, Inc., Third-Party Defendant-Respondent, et al., Third- and Fourth-Party Defendants, et al., Third-Party Defendants and Fourth-Party Plaintiffs. (Action No. 4)

J. R. Stevenson Corp. et al., Plaintiffs, v Dormitory Authority of the State of New York, Defendant and Third-Party Plaintiff-Appellant, and Louis Skidmore et al., Defendants and Third-Party Defendants and Third- and Fourth-Party Plaintiffs; S & M Plumbing Co., Inc., et al., Third-Party Defendants-Respondents, et al., Third- and Fourth-Party Defendants. (Action No. 1.) Dormitory Authority of the State of New York, Plaintiff, v Commercial Union Insurance Company of New York, Defendant. (Action No. 2.) Walter Kidde Constructors, Incorporated, Plaintiff, v Dormitory Authority of the State of New York, Defendant. (Action No. 3.) A. I. Smith Electrical Contractors, Inc., Plaintiff, v Dormitory Authority of the State of New York, Defendant and Third-Party Plaintiff-Appellant. Laboratory Furniture Company, Inc., Third-Party Defendant-Respondent, et al., Third- and Fourth-Party Defendants, et al., Third-Party Defendants and Fourth-Party Plaintiffs. (Action No. 4) [MAJORITY] No opinion. Concur — Sullivan, J. P., Carro, Asch, Kassal and Wallach, JJ.