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

19.2 2021 – March 

The addition of an interactive calculator for asymmetrical valleys constitutes the most important inclusion in this update.

The other capacity calculators have all been refined and positioned for improved usability.

In addition, various drawings have been updated for accuracy and correctness.

The rest of this update consisted of fixing minor errors and improvements for clarity.

 

19.2B Revision Detail - 2021 - March

CategoryClause Number (at time of update)Clause (As of current publication)Details
2 - Editing and rearrangement11 IntroductionUpdate Revisions Message
1 - Minor Errata2.12.1 DefinitionsAdded definitions for Translucent, Transparent, Opalescent, and Opaque.
1 - Minor Errata3.133.13 Material GradeMinor revision for Aluminium.
0 - Clause Removed4.8Biological CorrosionClause removed. 4.8.4 Lichen is now in 4.8 Paint Durability, and 4.10.9 Gutter Leaf Guard is now in 4.10 Other Causes of Corrosion.
2 - Editing and rearrangement5.3.75.4.7 Valley Capacity CalculatorUpdated calculator to support Asymmetrical Valley calculations, including dynamic illustration.
2 - Editing and rearrangement5.5.25.7.1 Maximum Area Above Spreader CalculatorClause edited, new clause (Downpipe Spreaders) introduced with explanatory text about spreaders. Trapezoidal illustration updated to show effective pan-depth area.
2 - Editing and rearrangement5.65.3.2 Gutter Capacity DesignClause renamed and moved to Types of Gutter.  
1 - Minor Errata5.6.25.3.2.3 Gutter Support SystemsClause moved to Gutter Installation and Maintenance.
2 - Editing and rearrangement5.6.314.18.9 Gutter InstallationClause renamed and moved to Pre-empting Problems.
2 - Editing and rearrangement5.7.15.7 Downpipe SpreadersPreviously removed clause, now reinstated and updated to align with the new Maximum Area Above Spreader Calculator.
1 - Minor Errata5.7.25.3.2.1 Gutter FallClause moved to Gutter Installation and Maintenance.
2 - Editing and rearrangement5.7.55.6.3 Downpipe Capacity CalculatorIllustration updated to show effective head.
2 - Editing and rearrangement5.85.3.6 Gutter Capacity CalculatorRectangular Gutter illustration updated to show effective gutter area. Clause renamed to refine search results.
0 - Clause Removed6.2Acceptable Solution NZBC E2/AS1Clause removed as it pertains to E2, which is discussed in NZBC Clause E2 External Moisture (Extract).
2 - Editing and rearrangement6.2.16.2 ComplianceClause promoted, replacing ES/AS1 at postion 6.2, and content of clause reviewed.
2 - Editing and rearrangement7.1.47.1.4 Maximum Run CalculatorTrapezoidal illustration updated to show effective pan-depth area.
2 - Editing and rearrangement7.47.4 End LapsDrawing deleted, replaced with a reference to 14.11.1 Sealing End Laps.
2 - Editing and rearrangement8.78.7 Profile ClosuresClause revised. Recommendations have not changed. Drawings replaced with more accurate depictions.
2 - Editing and rearrangement9.4.49.4.4 Maximum Area Above Penetration CalculatorTrapezoidal illustration updated to show effective pan-depth area.
2 - Editing and rearrangement14.11.114.11.1 Sealing End LapsDrawing replaced with with more accurate depiction of correctly and incorrectly sealed end laps.
1 - Minor Errata15.4.4.215.4.4.2 SubstrateRemoved empty link.
4 - Clause Inserted 19.2 2021 – MarchNew Revision clause.