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3.1.10.2.(1) | Application | Intent |
| OS1 | OP1 | + | OP3 |
| Application | Application 1: Upper portions of firewalls with a minimum fire-resistance rating of 2 h that separate upper storeys of a building or buildings within which the floor areas contain other than Group E or Group F, Division 1 or 2 major occupancies but having lower storeys that contain floor areas with Group E or Group F, Division 1 or 2 major occupancies.
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| Intent | Intent 1: To exempt certain upper portions of firewalls from
the requirement to have a higher fire-resistance rating, on the basis
that these upper portions of firewalls have the necessary fire-resistance
rating for maintaining an appropriate level of safety.
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