G4/AS1: Ventilation

G4 VENTILATION ACCEPTABLE SOLUTION G4/AS1 References Appendix A. References For the purposes of Building Code compliance, the standards referenced in this acceptable solution must be the editions, along with their specific amendments, listed below. Standards New Zealand Where quoted NZS 4303:1990 Ventilation for acceptable indoor air quality 2.3.1.1 AS/NZS 5601.1:2013 Gas installations – Part 1: Generall installations 3.1.1.1, 3.3.1.1, 3.4.1.1 Amendments 1, 2 These standards can be accessed from www.standards.govt.nz. Standards Australia Where quoted AS 1668.2:2002 The use of mechanical ventilation and air-conditioning 2.2.1.4, 2.3.1.1, 2.3.2.1 in buildings – Part 2: Ventilation design for indoor-air contaminant control Amendments 1, 2 These standards can be accessed from www.standards.org.au. Chartered Institution of Building Services Engineers Where quoted CIBSE Code Series A:1996 Air distribution systems 2.3.1.1 This document can be accessed from www.cibse.org. MINISTRY OF BUSINESS, INNOVATION AND EMPLOYMENT 28 JULY 2025 Page 15