{"format":"cadcraft-library-item","format_version":1,"uuid":"de15d3f3-714c-406a-ba57-de5d240afb87","version":3,"name":"India: Model Building Bye-Laws 2016 (TCPO, Ministry of Housing and Urban Affairs)","kind":"regulation","category":"regulations/building","description":"A model: states and cities issue the binding bye-laws, often based on it, and numbers vary by city. NBC 2016 was withdrawn on 2026-04-30 (replaced by the voluntary NBCS 2026). Light: 1/10 in hot-dry climates (1/6 warm-humid, 1/8 intermediate, 1/12 cold). The handrail rule has only a minimum (900), so it is not checked. Not checked by this pack: handrail height. Room size, hallway, egress door and…","maker":"","model":"","ifc":{"class":"IfcControl","predefined":"NOTDEFINED"},"plan":{"layers":[],"entities":[]},"body":null,"params":{},"regulation":{"format":"cadcraft-regulation-pack","version":1,"id":"in-mbbl-2016","name":"India: Model Building Bye-Laws 2016 (TCPO, Ministry of Housing and Urban Affairs)","jurisdiction":{"country":"IN","level":"country","region":"","name":"India"},"base":null,"edition":"Model Building Bye-Laws 2016 (TCPO, Min…","in_force":null,"review":{"state":"draft","note":"A model: states and cities issue the binding bye-laws, often based on it, and numbers vary by city. NBC 2016 was withdrawn on 2026-04-30 (replaced by the voluntary NBCS 2026). Light: 1/10 in hot-dry climates (1/6 warm-humid, 1/8 intermediate, 1/12 cold). The handrail rule has only a minimum (900), so it is not checked. Not checked by this pack: handrail height. Room size, hallway, egress door and…"},"authority":"model-code","source":{"name":"TCPO / Ministry of Housing and Urban Affairs, Model Building Bye-Laws 2016 (TCPO, Ministry of Housing and Urban Affairs)","url":"https://www.mohua.gov.in/static/uploads/2026/07/0e33558a9326c8a89f945cae00cc3647.pdf","date":"2016","checked":"2026-10-27"},"maker":null,"price":null,"criteria":[],"tables":[],"rules":[{"id":"stair.riser.max","applies":"stair","op":"<=","unit":"mm","clause":"MBBL 4.17.4.1","label":"Riser height","note":"Residential buildings; at most 12 risers per flight.","value":190},{"id":"stair.tread.min","applies":"stair","op":">=","unit":"mm","clause":"MBBL 4.17.3","label":"Tread depth (going)","note":"Without the nosing.","value":250},{"id":"stair.width.min","applies":"stair","op":">=","unit":"mm","clause":"MBBL 4.17.2","label":"Stair width","note":"Residential dwellings; 750 for two-storey row housing.","value":1000},{"id":"stair.headroom.min","applies":"stair","op":">=","unit":"mm","clause":"MBBL 4.17.4.2","label":"Stair headroom","note":"","value":2200},{"id":"room.ceiling.min","applies":"room","op":">=","unit":"mm","clause":"MBBL 4.3.1.1","label":"Ceiling height","note":"Floor to the lowest point of the ceiling; at least 2400 under beams.","value":2750},{"id":"room.light.min","applies":"room","op":">=","unit":"pct","clause":"MBBL 4.30.1.2","label":"Glazing, share of floor area","note":"Openings excluding doors; climate values in 4.30.1.1.","value":10},{"id":"room.vent.min","applies":"room","op":">=","unit":"pct","clause":"MBBL 4.30.1.1 Note 1","label":"Openable area, share of floor area","note":"The same openings give light and air; only the openable part counts.","value":10}]},"source_attrs":{},"license":{"id":"CC0-1.0","holder":"CadCraft","attribution":"“India: Model Building Bye-Laws 2016 (TCPO, Ministry of Housing and Urban Affairs)” by CadCraft (https://www.mohua.gov.in/static/uploads/2026/07/0e33558a9326c8a89f945cae00cc3647.pdf), CC0 (https://creativecommons.org/publicdomain/zero/1.0/)","url":"https://creativecommons.org/publicdomain/zero/1.0/"},"provenance":{"library":"librarycraft","item":"de15d3f3-714c-406a-ba57-de5d240afb87","version":3,"sha256":"20b7fb8d31f263381a9be1ccfd2a66bd5d66ec607ff5aa7e646de0dad9962af0","source_file":"in-mbbl-2016.json","source_sha256":"d215688245563b369259dcdce6b91875e97c8161cfe8f4a3bf16ddacebdec401","published_at":"2026-10-27T02:07:28Z"}}