Concrete compression ratio.
Oklahoma City Municipal Code § 12-234
in effect§ 12-234. - Concrete compression ratio.
All concrete used in construction of underground fallout and tornado shelters shall have a compressive strength of not less than 3,500 pounds per square inch.
(Ord. No. 24439, § II, 4-3-12)
Source: City of Oklahoma City, Municipal Code and City Charter (Municode Library, library.municode.com)URL: https://library.municode.com/ok/oklahoma_city/codes/code_of_ordinances?nodeId=OKMUCO2020_CH12BUCO_ARTXFATOSH_S12-234COCORAFetched: 10/28/2026
