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This Certifier Practice Standard is prepared by the Commissioner for Fair Trading under section 14 of the Building and Development Certifiers Act 2018 (B&DC Act); Section 14 provides that a registered certifier’s conditions of registration may require the certifier to carry out certification work in accordance with specified standards or methodologies prepared by the Commissioner.

This Guide is intended to supplement to the "Criteria for the Passive House, EnerPHit and PHI Low Energy Building Standards" ("Criteria") published by the Passive House Institute and posted online; it explains the Criteria's require-ments given here in a brief and precise manner.

This is a Supplement to AS 1684.2-2010 and AS 1684.2:2021; Residential timber-framed construction - Part 2: Non-cyclonic areas. This Supplement lists the 45 Supplements for wind classifications N1/N2, N3, and N4. Each Supplements should be read in conjunction with the Standard.

This is a Supplement to AS 1684.3-2010 and AS 1684.3:2021; Residential timber-framed construction - Part 3: Cyclonic areas. The Supplement lists the 45 Supplements for wind classifications C1, C2, and C3. Each Supplements should be read in conjunction with the Standard.

This is a Supplement to AS 1684.2-2010 and AS 1684.2:2021; Residential timber-framed construction - Part 2: Non-cyclonic areas. The Supplement provides timber framing span tables for wind classification N4 for seasoned softwood - Stress Grade F5.

This is a Supplement to AS 1684.2-2010 and AS 1684.2:2021; Residential timber-framed construction - Part 2: Non-cyclonic areas. The Supplement provides timber framing span tables for wind classification N3 for WA seasoned hardwood - Stress Grade F14.

This is a Supplement to AS 1684.2-2010 and AS 1684.2:2021; Residential timber-framed construction - Part 2: Non-cyclonic areas. The Supplement provides timber framing span tables for wind classification N3 for unseasoned softwood - Stress Grade F514.

This is a Supplement to AS 1684.2-2010 and AS 1684.2:2021; Residential timber-framed construction - Part 2: Non-cyclonic areas. The Supplement provides timber framing span tables for wind classification N4 for seasoned hardwood - Stress Grade F17.

This is a Supplement to AS 1684.2-2010 and AS 168.2:2021; Residential timber-framed construction - Part 2: Non-cyclonic areas. The Supplement provides timber framing span tables for wind classification N3 for unseasoned softwood - Stress Grade F5.

This is a Supplement to AS 1684.2-2010 and AS 1684.2:2021; Residential timber-framed construction - Part 2: Non-cyclonic areas. The Supplement provides timber framing span tables for wind classification N3 for unseasoned softwood - Stress Grade F8.