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(1) In IFC, Section 914.3.1.2 is deleted and replaced with the following: "914.3.1.2 Water supply to required fire pumps. In all buildings that are more than 420 feet (128m) in building height, and buildings of Type IV-A and IV-B construction that are more than 120 feet in building height, required fire pumps shall be supplied by connections to not fewer than two water mains located in different streets. Separate supply piping shall be provided between the connection and the pumps shall be sized to supply the flow and pressure required for the pumps to operate. Exception: Two connections to the same main shall be permitted provided that the main is valved such that an interruption can be isolated so that the water supply will continue without interruption through not fewer than one of the connections."
(2) In IFC, Section 3308, a new section is added as follows: "3308.9 Fire safety requirements for buildings of Types IV-A, IV-B, and IV-C construction. Buildings of Types IV-A, IV-B, and IV-C construction designed to be greater than six stories above grade plane shall comply with the following requirements during construction unless otherwise approved by the fire code official: 1. Standpipes shall be provided in accordance with Section 3313. 2. A water supply for fire department operations, as approved by the fire code official and the fire chief. 3. Where building construction exceeds six stories above grade plane, at least one layer of non-combustible protection where required by Section 602.4 of the International Building Code shall be installed on all building elements more than 4 floor levels, including mezzanines, below active mass timber construction before erecting additional floor levels. Exception: Shafts and vertical exit enclosures shall not be considered a part of the active mass timber construction. 4. Where building construction exceeds six stories above grade plane required exterior wall coverings shall be installed on all floor levels more than 4 floor levels, including mezzanines, below active mass timber construction before erecting additional floor level. Exception: Shafts and vertical exit enclosures shall not be considered a part of the active mass timber construction."