COP v3.0:revision-history; 2021-september

19.6 2021 – September 

The following revisions to the NZ Metal Roof and Wall Cladding Code of Practice were published on 1 September 2021.

Summary of Changes in this update:

The rest of this update consisted of fixing minor errors.

19.6A Revision Detail - 2021 - September

CategoryClause Number (at time of update)Clause (As of current publication)Details
2 - Editing and rearrangement 1 IntroductionUpdate Revisions Message
4 - Clause Inserted 3.18 G550 Steel Cladding Fastening Pattern TablesNew clause aimed at easy reference of fastening patterns.
4 - Clause Inserted 3.20 Aluminium Fastening Pattern TablesNew clause for easy referencing of fastening patterns for aluminium cladding.
1 - Minor Errata 3.6.2 Roof TrafficChanged "tradesman" to trades people for gender neutrality.
1 - Minor Errata 3.6.3 Uniformly Distributed Load (Wind or Induced Action)Corrected spelling of "Uniformly. Included a full term before the abbreviation for UDL in the first sentence.
2 - Editing and rearrangement 5.4.3 Internal CornersClause moved from Valleys to Gutters.
3 - Substantial change to recommendation 5.4.7 Gutter Capacity CalculatorThe minimum Freeboard on internal gutter calculations has been changed to 30mm to align with E1/AS1 and E1/AS2.
1 - Minor Errata 5.5.2 Valley DesignInserted cross-reference link to Internal Corners.
4 - Clause Inserted 5.5.4 Intersecting ValleysNew clause showing the correct way to intersect valleys.
2 - Editing and rearrangement 5.8 Downpipe SpreadersReplaced Downpipe Spreader Design-drawing with a more detailed one.
3 - Substantial change to recommendation 9.1 Penetrations Minimum PitchRevised first sentence to make allowance for modern profiles and proprietary profiles.
4 - Clause Inserted 14.8 Double LappingNew clause.
4 - Clause Inserted 19.6 2021 – SeptemberNew Revision clause