{"format":"cadcraft-library-item","format_version":1,"uuid":"906820f4-673e-4d0c-a734-7d39444f1c70","version":2,"name":"South Africa: SANS 10400 (National Building Regulations)","kind":"regulation","category":"regulations/building","description":"A sample, not a reference. These numbers were entered from memory and a study aid and have NOT been checked against the standard (SABS sells it). Several parts have newer editions (Part O edition 4 was published in 2025). Check every number against the current standard before relying on it. A rule the pack leaves out is simply not checked.","maker":"","model":"","ifc":{"class":"IfcControl","predefined":"NOTDEFINED"},"plan":{"layers":[],"entities":[]},"body":null,"params":{},"regulation":{"format":"cadcraft-regulation-pack","version":1,"id":"za-sans10400","name":"South Africa: SANS 10400 (National Building Regulations)","jurisdiction":{"country":"ZA","level":"country","region":"","name":"South Africa"},"base":null,"edition":"SANS 10400, edition not yet confirmed","in_force":null,"review":{"state":"unchecked","note":"A sample, not a reference. These numbers were entered from memory and a study aid and have NOT been checked against the standard (SABS sells it). Several parts have newer editions (Part O edition 4 was published in 2025). Check every number against the current standard before relying on it. A rule the pack leaves out is simply not checked."},"authority":"adopted-law","source":{"name":"South African Bureau of Standards, SANS 10400 (Parts A to XA)","url":"https://www.sabs.co.za/","date":"","checked":"2026-10-27"},"maker":null,"price":null,"rules":[{"id":"stair.riser.max","applies":"stair","op":"<=","unit":"mm","clause":"Part M","label":"Riser height","note":"Private dwelling. Not confirmed.","value":200},{"id":"stair.tread.min","applies":"stair","op":">=","unit":"mm","clause":"Part M","label":"Going (tread depth)","note":"Not confirmed.","value":250},{"id":"room.ceiling.min","applies":"room","op":">=","unit":"mm","clause":"Part C","label":"Room height","note":"Habitable room. Not confirmed.","value":2400},{"id":"room.light.min","applies":"room","op":">=","unit":"pct","clause":"Part O","label":"Window area, share of floor area","note":"The common deemed-to-satisfy ratio. Not confirmed for the current edition.","value":10},{"id":"room.vent.min","applies":"room","op":">=","unit":"pct","clause":"Part O","label":"Openable area, share of floor area","note":"The common deemed-to-satisfy ratio. Not confirmed: edition 4 changed how ventilation is worked out.","value":5}]},"source_attrs":{},"license":{"id":"CC0-1.0","holder":"CadCraft","attribution":"“South Africa: SANS 10400 (National Building Regulations)” by CadCraft (https://www.sabs.co.za/), CC0 (https://creativecommons.org/publicdomain/zero/1.0/)","url":"https://creativecommons.org/publicdomain/zero/1.0/"},"provenance":{"library":"librarycraft","item":"906820f4-673e-4d0c-a734-7d39444f1c70","version":2,"sha256":"0b677288b06a857b32c08e5c674c08a1333fc85543ac61590fbd7c6c5e0d19f7","source_file":"za-sans10400.json","source_sha256":"a844756263f648b1e82c41ecbc2e0892c115a3adb8aa07d96b096ab4b13eb654","published_at":"2026-10-27T01:29:45Z"}}