30 ILCS 557

in effect

30 ILCS 557/1

(30 ILCS 557/1) Sec. 1. Short title. This Act may be cited as the Public Construction Contract Act. (Source: P.A. 91-647, eff. 11-30-99.)

(30 ILCS 557/5) Sec. 5. Definitions. As used in this Act: "Contractor" means a person who contracts with a governmental entity to improve real property or to perform or manage construction. "Contractor" does not mean a person licensed under the Illinois Architecture Practice Act of 1989, the Illinois Professional Land Surveyor Act of 1989, or the Professional Engineering Practice Act of 1989. "Governmental entity" means a county, a municipality, a township, a public educational institution, a special district, or any political subdivision thereof. "Governmental entity" does not include the Metropolitan Water Reclamation District. "Improve" means to build, alter, repair, or demolish an improvement on, connected with, or beneath the surface of any real property; to excavate, clear, grade, fill, or landscape any real property; to construct driveways or roadways; or to perform labor on improvements. "Improvement" includes, but is not limited to, all or any part of any building, structure, erection, alteration, demolition, excavation, clearing, grading, filling, landscaping, trees, shrubbery, driveways, or roadways on real property. "Person" means an individual, corporation, partnership, association, governmental entity, or any other legal entity. "Real property" means the real estate that is improved, including, but not limited to, lands, leaseholds, tenements, hereditaments, and improvements placed on the real estate. (Source: P.A. 91-647, eff. 11-30-99.)

30 ILCS 557/10

(30 ILCS 557/10) Sec. 10. Contract requirements. If a contract between a contractor and a governmental entity for an improvement exceeds $75,000, all of the following provisions apply to that contract: (1) If a contractor discovers one or both of the following physical conditions at the surface or subsurface of the site, the contractor must notify the governmental entity of the condition, in writing, before disturbing the condition: (A) A subsurface or latent physical condition at the site differing materially from conditions indicated in the contract. (B) An unknown physical condition at the site of an unusual nature differing materially from the conditions ordinarily encountered and generally recognized as inhering in work of the kind provided for in the contract. (2) If the governmental entity receives notice from the contractor under subdivision (1), the governmental entity must promptly investigate the physical condition. (3) If the governmental entity determines that the physical condition (i) does materially differ from the conditions indicated in the contract or ordinarily encountered in the work of the kind provided for in the contract and (ii) will cause an increase or decrease in the costs or time needed to perform the contract, the governmental entity must make an equitable adjustment to and modify the contract in writing. (4) The contractor may not make a claim for additional costs or time because of a physical condition at the site, unless the contractor has provided notice to the governmental entity under subdivision (1). (5) The contractor may not make a claim for an adjustment after the contractor has received a final payment under the contract. (Source: P.A. 91-647, eff. 11-30-99.)

30 ILCS 557/15 Arbitration

(30 ILCS 557/15) Sec. 15. Arbitration. A contractor and governmental entity may, by mutual agreement, arbitrate the contractor's entitlement to recover the actual increase in contract time or costs incurred because of a physical condition at the site. The judgment rendered may be entered in any court having jurisdiction over the matter. (Source: P.A. 91-647, eff. 11-30-99.)

30 ILCS 557/20

(30 ILCS 557/20) Sec. 20. Incorporation into contract. The provisions of Section 10 of this Act are incorporated into and considered a part of every contract for improvements between a contractor and governmental entity. (Source: P.A. 91-647, eff. 11-30-99.)

30 ILCS 557/25 Limitation

(30 ILCS 557/25) Sec. 25. Limitation. Nothing in this Act limits the rights or remedies otherwise available to a contractor or governmental entity under any other law or under the Constitution of the State of Illinois. (Source: P.A. 91-647, eff. 11-30-99.)

30 ILCS 557/99

(30 ILCS 557/99) Sec. 99. Effective date. This Act takes effect upon becoming law. (Source: P.A. 91-647, eff. 11-30-99.)

Source: Open US Law by Vaquill AI (CC BY 4.0)URL: https://www.ilga.gov/legislation/ilcs/ilcs.aspFetched: 10/17/2026