The opinion of the court was delivered by: Justice Heiple
May extrinsic evidence be provisionally admitted to show that an explicitly integrated, facially clear, and complete written contract is actually ambiguous? In this action for declaratory relief, the circuit court of Cook County and the appellate court (No. 1-96-3615 (unpublished order under Supreme Court Rule 23)) answered no. We agree, and therefore affirm.
On February 1, 1990, the plaintiff, Air Safety Engineering (Air Safety), entered into a contract with the defendant, Teachers Realty Corporation (Teachers). This contract provides that Air Safety would perform numerous specified asbestos abatement projects on a high-rise office building owned by Teachers at 230 West Monroe Street, Chicago, Illinois. Allowing for changes to be made to the original agreement, section 12.1.2 of the contract provides:
"The Owner, without invalidating the Contract, may order changes in any Unit of Work within the general scope of the Contract consisting of additions, deletions or other revisions, and the Contract Sum and the Contract time applicable thereto shall be adjusted accordingly. All such changes in Work shall be authorized by change order, and shall be performed under the applicable conditions of the Contract Documents."
Additionally, section 14.7 of the contract states that the "Contract represents the entire and integrated agreement between the parties hereto and supersedes all prior negotiations, representations, or agreements, either written or oral."
In 1991, during Air Safety's performance of the contract, Teachers, through its agent Miglin-Beitler, solicited bids for 16 additional asbestos abatement projects at the 230 West Monroe location. This solicitation for bids requested that contractors submit two prices for each project-one price for the cost of performing an individual project without award of all 16 projects, and another price reflecting a discounted amount for each project if the contractor were awarded all of the projects.
Three contractors, including Air Safety, submitted bids. Eventually, Teachers' engineer, Environmental Science Engineering, recommended that Air Safety perform all of the projects listed in the 1991 bid solicitation. However, no written contract was ever executed between Teachers and Air Safety respecting an award of all the new projects to Air Safety. Rather, three change orders to the 1990 contract were executed which authorized Air Safety to perform only some of the projects. Each of the three change orders, orders 50, 51, and 53, states that it is a change order to the 1990 contract and includes: (1) a description of the work; (2) the original cost of the 1990 contract; (3) the contract sum prior to the change order; (4) the increase in cost due to the change order; (5) and the new contract cost. Additionally, each change order references a letter from Miglin-Beitler which gives a fixed price for each project and authorizes Air Safety to begin work. The fixed prices listed in the Miglin-Beitler letters and the change orders are the prorated bid amounts Air Safety submitted pursuant to the 1991 bid solicitation if it were awarded all sixteen projects.
Air Safety, however, was never authorized to perform work on any other projects not authorized by the three change orders. Rather, these projects were awarded and ultimately completed by other contractors. Consequently, Air Safety filed this action for declaratory relief in the circuit court of Cook County seeking a declaration that: (1) the 1991 bid solicitation ripened into a contract between Air Safety and Teachers for all 16 projects; and (2) Air Safety was entitled to the nonprorated amounts for each project listed in its original bid since it was not ultimately given all of the projects. In support of its claim, Air Safety argued that the prorated amounts for the projects listed in the change orders evidenced the fact that it had been awarded all 16 projects. Additionally, Air Safety submitted other evidence which it claimed showed that an oral contract had been entered into concerning all of the projects contained in the 1991 bid solicitation.
Teachers filed a motion for partial summary judgment, arguing that the merger doctrine and the parol evidence rule precluded the finding of a second contract. Specifically, Teachers posited that because the change orders were executed pursuant to the 1990 contract, the evidence presented by Air Safety merged into the 1990 contract via the 1990 contract's integration clause contained in section 14.7. Moreover, Teachers argued that because the change orders are facially clear and unambiguous changes to the 1990 contract, the extrinsic evidence presented by Air Safety is inadmissible to contradict or vary the terms of the change orders.
The circuit court agreed and found that: (1) the change orders at issue were executed pursuant to the 1990 contract; (2) the change orders are clear, complete, and unambiguous; (3) the court would not consider evidence that predated the orders to materially alter or contradict the express terms of the orders; (4) the parties are bound by the prices listed in the change orders; and (5) there is no contract for additional projects at 230 West Monroe. The appellate court affirmed.
Traditional contract interpretation principles in Illinois require that: "[a]n agreement, when reduced to writing, must be presumed to speak the intention of the parties who signed it. It speaks for itself, and the intention with which it was executed must be determined from the language used. It is not to be changed by ...