{"format":"cadcraft-library-item","format_version":1,"uuid":"f2d6e30d-438b-4302-9bf6-6abd2867bbd9","version":3,"name":"Pennsylvania: Pennsylvania Uniform Construction Code (UCC), residential","kind":"regulation","category":"regulations/building","description":"Adopts IRC 2021 (Department of Labor & Industry; 34 Pa. Code § 403.21(a)(7)). 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); not yet reviewed by a professi…","maker":"","model":"","ifc":{"class":"IfcControl","predefined":"NOTDEFINED"},"plan":{"layers":[],"entities":[]},"body":null,"params":{},"regulation":{"format":"cadcraft-regulation-pack","version":1,"id":"us-pa","name":"Pennsylvania: Pennsylvania Uniform Construction Code (UCC), residential","jurisdiction":{"country":"US","level":"state","region":"US-PA","name":"Pennsylvania"},"base":"us-irc-2021","edition":"IRC 2021 as adopted, 2026-01-01","in_force":"2026-01-01","review":{"state":"draft","note":"Adopts IRC 2021 (Department of Labor & Industry; 34 Pa. Code § 403.21(a)(7)). 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); not yet reviewed by a professi…"},"authority":"adopted-law","source":{"name":"Department of Labor & Industry, 34 Pa. Code § 403.21(a)(7)","url":"https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/034/chapter403/s403.21.html","date":"2025-11-07","checked":"2026-10-27"},"maker":null,"price":null,"criteria":[],"tables":[],"rules":[{"id":"stair.riser.max","applies":"stair","op":"<=","unit":"mm","clause":"34 Pa. Code § 403.21(a)(7)(ii)(A)","label":"Riser height","note":"State amendment.","value":209.55},{"id":"stair.tread.min","applies":"stair","op":">=","unit":"mm","clause":"§ 403.21(a)(7)(ii)(B)","label":"Tread depth","note":"State amendment.","value":228.6}]},"source_attrs":{},"license":{"id":"CC0-1.0","holder":"CadCraft","attribution":"“Pennsylvania: Pennsylvania Uniform Construction Code (UCC), residential” by CadCraft (https://www.pacodeandbulletin.gov/Display/pacode?file=/secure/pacode/data/034/chapter403/s403.21.html), CC0 (https://creativecommons.org/publicdomain/zero/1.0/)","url":"https://creativecommons.org/publicdomain/zero/1.0/"},"provenance":{"library":"librarycraft","item":"f2d6e30d-438b-4302-9bf6-6abd2867bbd9","version":3,"sha256":"42f7f179e02f1d2eb01b1182386e15605966bb11137cd439f0ddd8c789ced08f","source_file":"us-pa.json","source_sha256":"265a2517b5aded6d0c2c0564d364a348b56e30497f08a2868cec8368a27c4382","published_at":"2026-10-27T02:07:27Z"}}