11.3.3.2.Extensive Renovation (See Note A-11.3.3.2.)

(1) Where existing interior walls or ceilings or floor assemblies or roof assemblies are substantially removed in an existing building and new interior walls, ceilings, floor assemblies or roof assemblies are installed in the building, structural and fire-resistance elements shall be constructed in compliance with the requirements of the other Parts. (2) Except as provided in Section 11.5., the proposed construction within an existing suite shall comply with the requirements of Section 3.8. where, (a) new interior walls or floor assemblies are installed, (b) the suite has an area greater than 300 m2, and (c) the suite is located in, (i) a floor area where the existing difference in elevation between the adjacent ground level and the floor level is not more than 200 mm, or (ii) a normally occupied floor area which is accessible by a passenger type elevator or other platform equipped passenger elevating device from an entrance storey where the existing difference in elevation between the adjacent ground level and the entrance storey level is not more than 200 mm. (3) Except as provided in Section 11.5., the proposed construction within an existing suite, other than a suite described in Sentence (2) or a suite in a building described in Clause 3.8.1.1.(1)(a), (b), (c) or (d), shall comply with the requirements of Sentences 3.8.1.3.(6), 3.8.2.3.(6), 3.8.3.1.(6), 3.8.3.3.(19), 3.8.3.7.(1), 3.8.3.15.(5) and 3.8.3.16.(4) whe re new interior walls or floor assemblies are installed. (See Note A-11.3.3.2.(3)) (4) Except as provided in Sentence (5), where existing interior walls or ceilings or floor assemblies or roof assemblies are substantially removed on any storey in an existing building and new interior walls, ceilings, floor assemblies or roof assemblies are installed, the storey shall be sprinklered if, (a) the storey will contain a Group C major occupancy, and (b) the building is over 3 storeys in building height. (5) Sentence (4) does not apply where the building, (a) conforms to Subclause 3.2.2.50.(1)(a)(ii), and (b) contains dwelling units having means of egress conforming to Sentence 3.3.4.4.(8). (6) Where existing interior walls or ceilings or floor assemblies or roof assemblies are substantially removed and new interior walls, ceilings, floor assemblies or roof assemblies are installed in an existing building or part of an existing building that is a retirement home, the following requirements apply: (a) the retirement home shall be sprinklered, (b) a voice communication system conforming to Article 3.2.4.23. shall be provided in the building, if Clause 3.2.6.8.(1)(b) or (c), as applicable, requires that such a voice communication system be provided in the building, and (c) doors to suites and sleeping rooms not within suites in the retirement home, other than doors leading directly to the exterior, shall be equipped with self-closing devices.