Elephant Plasterboard QuickBrace Summary Guide Elephant Plasterboard QuickBraceTM Systems Extensive bracing tests have been conducted on Elephant Plasterboard. The bracing ratings published in this document have been obtained by independent testing and opinions sourced from New Zealand organizations with accredited quality assurance. Detailed in this document are some unique design solutions available to the New Zealand Building Industry to satisfy the bracing requirements of the New Zealand Standard NZS 3604:2011 Timber framed buildings.
Recent changes We have made changes and improvements to the QuickBraceTM Systems.
• Conservative Performances
A number of the performances published in this document has been revised downwards. This is solely for the purpose to provide the industry with conservative bracing designs. The previous publication (April 2014 Update) and QuickBrace software versions dated after November 2014 have some systems using a slightly higher performance. These higher values remain a correct reflection of how Elephant Plasterboard Bracing Systems perform.
• Revised Specification Numbering System
The numbering system has changed slightly to make it easier for the specifier, builder or building official to know whether a system requires Panel End Hold-downs (H) or not (N). The code “H” and the code “N” have been moved to the end of the numbering system. e.g. The system code ENSS becomes ESSN. Furthermore a “-” has been incorporated into some codes to indicate single-sided systems. e.g. The system code ESN becomes ES-N.
Bottom plate anchor placements have been reduced from 100mm to 80mm from the end of the bracing element. This is to be consistent with the bolt location when using bracing anchor brackets and represents industry best practise. This does not affect previous bracing designs or installations or performances.
• Changed Corner Pattern Layout
The “Typical” Bracing Corner Pattern previously required only on the ES-N and ESSN systems has been replaced by the “Condensed” Bracing Corner Pattern. Therefore 50, 50, 50, 50, 50, 50 and thereafter 150.
The Condensed Bracing Corner Pattern now applies to all QuickBraceTM Systems.
If the Typical Bracing Corner Pattern has been used on the ES-N and ESSN Systems then the performances published in this document and the more detailed Elephant Plasterboard QuickBrace Systems Manual 2015 will still be maintained
This change does not affect previous bracing designs, installations or performances. And has only been introduced in order to reduce the number of different corner patterns required.
50 50 50
150
150
Condensed Bracing Corner Pattern
150
50 50
50
50 50 50
50
• Bottom Plate Anchor Placements
50 50
150
Refer to the Condensed Bracing Corner Pattern on the right.
75
75
75
150
50 50
Alternative Condensed Bracing Corner Pattern
Refer to the Alternative Condensed Bracing Corner Pattern on the right.
75
If the installer has used the 50, 50, 50, 75, 75 and thereafter 150 corner pattern then this can easily be remedied by simply placing an extra screw between the next 150mm (where possible). Therefore 50, 50, 50, 75, 75, 75, 75 and thereafter 150.
150
75
75
• Alternative Corner Pattern Layout
75
50
50 50 50
75
Fix 12mm min from paper bound sheet edges and 18mm min from sheet ends or cut edges
Fix 12mm min from paper bound sheet edges and 18mm min from sheet ends or cut edges
Independently Appraised All tests, opinions and re-evaluated performances have been fully Appraised by Independent Consulting Engineers.
Compliance to NZS 3604:2011 The QuickBraceTM Systems detailed in this document are fully compliant to the requirements of NZS 3604:2011 Timber-framed buildings. Design and installation must be in accordance with the Elephant Plasterboard QuickBrace Systems Manual July 2015.
www.elephantplasterboard.co.nz
0800 ELEPHANT (353 742)
Elephant QuickBraceTM Systems
July 2015
TM TM Quickbrace Numbering System QuickBrace Numbering System
H = Panel Hold-downs Required (example shown) N = No Hold-downs
E = Elephant Plasterboard
System Number Example only
SIDE ONE
SIDE ONE S = Elephant Standard-Plus or M = Elephant Multiboard (example shown)
SIDE TWO
SIDE TWO
-
= Single sided system only S = Elephant Standard-Plus P = Plywood
or
(example shown)
QuickBraceTM Systems & Performance Table System Number
Lining Requirement
BU/m
Min. Length (m)
Wind
Earthquake
0.4
65
60
1.2
70
65
1.8
80
65
0.4
80
75
0.8
100
85
1.8
115
85
0.4
95
100
0.8
120
110
1.2
140
115
0.4
80
75
0.8
90
80
1.2
95
85
Panel Holddowns
Bracing Corner Pattern
Plasterboard on One Side
ES-N
ES-H
EM-H
Elephant Standard-Plus on One Side
Elephant Standard-Plus on One Side
Elephant Multiboard on One Side
No
Condensed Yes
Plasterboard on Both Sides
ESSN
ESSH
EMSH
Elephant Standard-Plus on Both Sides
Elephant Standard-Plus on Both Sides
Elephant Multiboard on One Side Elephant Standard-Plus on the Other
0.4
95
110
0.8
140
130
1.2
150
140
0.4
110
115
0.8
140
135
1.2
150
145
0.4
100
115
0.8
140
140
1.2
150
150
0.4
120
135
0.8
140
145
1.2
150
150
No
Condensed Yes
Plasterboard One Side, Plywood the Other
ESPH
EMPH
Elephant Standard-Plus on One Side Plywood on the Other
Elephant Multiboard on One Side Plywood on the Other
Yes
Condensed
* Timber Floors - It is required by NZS 3604:2011 to limit BU ratings to 120 BU/m for timber floors. For a higher floor frame uplift, a specifically engineered design will be required. Note- The QuickBraceTM Numbering System and the sub components thereof are protected by copyright.