{"format":"cadcraft-library-item","format_version":1,"uuid":"b8892fd9-921e-4b32-97f7-b0bc35be6163","version":3,"name":"North Carolina: 2018 North Carolina State Building Code: Residential Code (NCRC)","kind":"regulation","category":"regulations/building","description":"Adopts IRC 2015 (NC Building Code Council / Residential Code Council; Office of State Fire Marshal; N.C.G.S. 143-138). 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 confiden…","maker":"","model":"","ifc":{"class":"IfcControl","predefined":"NOTDEFINED"},"plan":{"layers":[],"entities":[]},"body":null,"params":{},"regulation":{"format":"cadcraft-regulation-pack","version":1,"id":"us-nc","name":"North Carolina: 2018 North Carolina State Building Code: Residential Code (NCRC)","jurisdiction":{"country":"US","level":"state","region":"US-NC","name":"North Carolina"},"base":"us-irc-2015","edition":"IRC 2015 as adopted, 2019-01-01","in_force":"2019-01-01","review":{"state":"draft","note":"Adopts IRC 2015 (NC Building Code Council / Residential Code Council; Office of State Fire Marshal; N.C.G.S. 143-138). 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 confiden…"},"authority":"adopted-law","source":{"name":"NC Building Code Council / Residential Code Council; Office of State Fire Marshal, N.C.G.S. 143-138","url":"https://www.ncosfm.gov/letter-re-2024-state-building-code-effective-date/open","date":"2025-03-31","checked":"2026-10-27"},"maker":null,"price":null,"criteria":[],"tables":[],"rules":[{"id":"stair.riser.max","applies":"stair","op":"<=","unit":"mm","clause":"2018 NCRC R311.7.5.1","label":"Riser height","note":"State amendment.","value":209.55},{"id":"stair.tread.min","applies":"stair","op":">=","unit":"mm","clause":"2018 NCRC R311.7.5.2","label":"Tread depth","note":"State amendment.","value":228.6}]},"source_attrs":{},"license":{"id":"CC0-1.0","holder":"CadCraft","attribution":"“North Carolina: 2018 North Carolina State Building Code: Residential Code (NCRC)” by CadCraft (https://www.ncosfm.gov/letter-re-2024-state-building-code-effective-date/open), CC0 (https://creativecommons.org/publicdomain/zero/1.0/)","url":"https://creativecommons.org/publicdomain/zero/1.0/"},"provenance":{"library":"librarycraft","item":"b8892fd9-921e-4b32-97f7-b0bc35be6163","version":3,"sha256":"d65f1db363cb20a9ebda370ea7deffa9b50ef6a6b61e6d247a30e38c8a435925","source_file":"us-nc.json","source_sha256":"dcbf2d7db8d88f3d8cd32f4bf6cdfb50bd035118f920fdf793f92a9d87efe3e7","published_at":"2026-10-27T02:07:27Z"}}