2020 – June
The following updates to the NZ Metal Roof and Wall Cladding Code Practice (COP), are effective 1 June 2020.
New clauses:
- In this update, we included new clauses concerning MRM Fastener Performance Requirements and Testing and MRM Soft Edge Standard.
- We updated Maximum Span and Fastener Requirements to include Aluminium Cladding Wind Load Span Graphs.
- We added a new table Minimum Freeboard Values to Roof Drainage Design and implemented interface refinements to Capacity Calculations.
The rest of this update consists of minor improvements, such as tidying up drawings and edits for clarity and grammar.
Revision Detail - 2020 - June
| Category | Clause Number (at time of update) | Clause (As of current publication) | Details |
|---|---|---|---|
| 2 - Editing and rearrangement | 1 | Introduction | Update Revisions Message |
| 2 - Editing and rearrangement | 3.16.4 | Fastener Patterns | Fastener pattern illustrations updated for clarity - no change to intent. |
| 2 - Editing and rearrangement | 3.16.5 | Steel Cladding Wind Load Span Graphs | Clause renamed. |
| 2 - Editing and rearrangement | 3.16.5.1 | Corrugated Steel – 0.40 | Clause renamed and Fastener pattern illustrations updated for clarity - no change to intent. |
| 2 - Editing and rearrangement | 3.16.5.3 | Corrugated Steel – 0.55 | Clause renamed and Fastener pattern illustrations updated for clarity - no change to intent. |
| 2 - Editing and rearrangement | 3.16.5.2 | Trapezoidal Five Rib Steel – 0.40 | Clause renamed and Fastener pattern illustrations updated for clarity - no change to intent. |
| 2 - Editing and rearrangement | 3.16.5.4 | Trapezoidal Five Rib Steel – 0.55 | Clause renamed and Fastener pattern illustrations updated for clarity - no change to intent. |
| 2 - Editing and rearrangement | 3.16.5.5 | Trapezoidal Six Rib Steel – 0.40 | Clause renamed and Fastener pattern illustrations updated for clarity - no change to intent. |
| 2 - Editing and rearrangement | 3.16.5.6 | Trapezoidal Six Rib Steel – 0.55 | Clause renamed and Fastener pattern illustrations updated for clarity - no change to intent. |
| 4 - Clause Inserted | Aluminium Cladding Wind Load Span Graphs | New clause. | |
| 4 - Clause Inserted | Corrugated Aluminium – 0.70 | New Clause for Aluminium Cladding Wind Load Span Graphs. | |
| 4 - Clause Inserted | Corrugated Aluminium – 0.90 | New Clause for Aluminium Cladding Wind Load Span Graphs. | |
| 4 - Clause Inserted | Trapezoidal Five Rib Aluminium – 0.70 | New Clause for Aluminium Cladding Wind Load Span Graphs. | |
| 4 - Clause Inserted | Trapezoidal Five Rib Aluminium – 0.90 | New Clause for Aluminium Cladding Wind Load Span Graphs. | |
| 3 - Substantial change to recommendation | 5.6.3 | Rainfall Intensity | Clause had been completely revised, with updated Rainfall Intensity Maps at the end of the main Clause, Roof Drainage. |
| 1 - Minor Errata | 5.6.3.1 | Duration | Replaced comparison chart with a simplified one. |
| 2 - Editing and rearrangement | 8.3 | Flashing Cover | Added minimum flashing cover values for change of pitch junctions. |
| 4 - Clause Inserted | Testing and MRM Standards | New clause. | |
| 2 - Editing and rearrangement | 17 | Metal Cladding Testing | Clause renamed. |
| 1 - Minor Errata | 17.5.1 | Allowance for Variation | Fixed "overall" to "over all" |
| 4 - Clause Inserted | MRM Fastener Performance Requirements and Testing | New clause. | |
| 4 - Clause Inserted | Requirements for Fastener Testing | New clause. | |
| 4 - Clause Inserted | Test Panel Requirements | New Clause. | |
| 4 - Clause Inserted | Test Location | New Clause. | |
| 4 - Clause Inserted | Site Orientation | New Clause. | |
| 4 - Clause Inserted | Preparation of Test Panel | New Clause. | |
| 4 - Clause Inserted | Fastener Performance Testing | New Clause. | |
| 4 - Clause Inserted | Site Testing | New clause. | |
| 4 - Clause Inserted | Field Performance Validation | New clause. | |
| 4 - Clause Inserted | Accelerated Testing | New clause. | |
| 4 - Clause Inserted | Fastener Shanks | New clause. | |
| 4 - Clause Inserted | Sealing Washer Conductivity | New clause. | |
| 4 - Clause Inserted | Appearance | New clause. | |
| 4 - Clause Inserted | Weatherproofing | New Clause. | |
| 4 - Clause Inserted | Fastener Performance Test Report | New clause. | |
| 4 - Clause Inserted | MRM Soft Edge Standard | New clause. | |
| 4 - Clause Inserted | Soft Edge Product Techincal Statement Requirements | New clause. | |
| 4 - Clause Inserted | 2020 – June | New clause. Revision detail. | |
| 0 - Clause Removed | 5.5 | Gutters | The clause had been removed. Gutters are now discussed in more detail in a separate clause for each type, under the main clause Types of Gutter. |
(optional caption)
Clause:
019_018_000_000_000_000_000_000_000
Clause Number:
19.18
/cop/revision-history/2020-june
Revision Category:
4 - Clause Inserted
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