50 CFR § 86.70
What standards must I follow when constructing a BIG-funded facility?
July 17, 2020
(a) You must design and build a BIG-funded facility so that each structure meets Federal, State, and local standards.
(b) A Region or a State may require you to have plans reviewed by a subject-matter expert if there are questions as to the safety, structural stability, durability, or other construction concerns for projects that will cost more than $100,000.