{"format":"cadcraft-library-item","format_version":1,"uuid":"451b9f35-3ab7-4b59-991f-e7bcea636bd0","version":3,"name":"Indiana: 2020 Indiana Residential Code","kind":"regulation","category":"regulations/building","description":"Adopts IRC 2018 (Indiana Fire Prevention and Building Safety Commission; 675 IAC 14-4.4 (LSA #19-330(F))). State amendments to the checked rules: riser height, tread depth. Amendments were researched for stairs, ceiling height, light and ventilation only; every other rule (room size, egress, escape openings, electrical, alarms) is the base code's. Entered 2026-10-27 (research confidence: high); n…","maker":"","model":"","ifc":{"class":"IfcControl","predefined":"NOTDEFINED"},"plan":{"layers":[],"entities":[]},"body":null,"params":{},"regulation":{"format":"cadcraft-regulation-pack","version":1,"id":"us-in","name":"Indiana: 2020 Indiana Residential Code","jurisdiction":{"country":"US","level":"state","region":"US-IN","name":"Indiana"},"base":"us-irc-2018","edition":"IRC 2018 as adopted, 2019-12-26","in_force":"2019-12-26","review":{"state":"draft","note":"Adopts IRC 2018 (Indiana Fire Prevention and Building Safety Commission; 675 IAC 14-4.4 (LSA #19-330(F))). State amendments to the checked rules: riser height, tread depth. Amendments were researched for stairs, ceiling height, light and ventilation only; every other rule (room size, egress, escape openings, electrical, alarms) is the base code's. Entered 2026-10-27 (research confidence: high); n…"},"authority":"adopted-law","source":{"name":"Indiana Fire Prevention and Building Safety Commission, 675 IAC 14-4.4 (LSA #19-330(F))","url":"https://secure.in.gov/dhs/boards-and-commissions/fpbsc-rules","date":"2019","checked":"2026-10-27"},"maker":null,"price":null,"criteria":[],"tables":[],"rules":[{"id":"stair.riser.max","applies":"stair","op":"<=","unit":"mm","clause":"675 IAC 14-4.4-16 (R311.7.5.1)","label":"Riser height","note":"State amendment.","value":209.55},{"id":"stair.tread.min","applies":"stair","op":">=","unit":"mm","clause":"675 IAC 14-4.4-17 (R311.7.5.2)","label":"Tread depth","note":"State amendment.","value":228.6}]},"source_attrs":{},"license":{"id":"CC0-1.0","holder":"CadCraft","attribution":"“Indiana: 2020 Indiana Residential Code” by CadCraft (https://secure.in.gov/dhs/boards-and-commissions/fpbsc-rules), CC0 (https://creativecommons.org/publicdomain/zero/1.0/)","url":"https://creativecommons.org/publicdomain/zero/1.0/"},"provenance":{"library":"librarycraft","item":"451b9f35-3ab7-4b59-991f-e7bcea636bd0","version":3,"sha256":"c8e781f442dfe6753ad4ccfee9f1d3df762a6e7c1f882fb1848b253aa56d5cc4","source_file":"us-in.json","source_sha256":"7cc96839506347d61bcdfb8817aad44f797cf23a7296352f5f13e269cd449b3e","published_at":"2026-10-27T02:07:27Z"}}