Requires state contracting agency that procures] Oregon Department of Administrative Services and Department of Transportation, in procuring public improvement contract or contract for public works with estimated contract price of $150,000] $250,000 or more, to include in solicitation documents conspicuous notice that resulting public improvement contract or contract for public works will require contractors to use iron,] steel, iron, coatings for steel and iron and steel] and manufactured products that are made] produced in United States. Requires public improvement contracts and contracts for public works to require use of iron,] steel, iron, coatings for steel and iron and steel] and manufactured products made] produced in United States in public improvement or public works unless Director of Oregon Department of Administrative Services or Director of Transportation, as appropriate, waives use under specified circumstances. Requires each department to reject bid or solicitation that does not affirmatively attest that bidder or proposer read and understood requirement. Specifies duties of director in making findings and granting waiver. Requires periodic review of waiver. Permits Director of Oregon Department of Administrative Services to delegate duty. Requires department] Oregon Department of Administrative Services to establish technical assistance and grant program to enable businesses certified by Certification Office for Business Inclusion and Diversity to become familiar with and meet obligations of Act. Takes effect on 91st day following adjournment sine die.