New Zealand standards with relevance to Verified Timber.
NZS3622:2004 Verification of Timber Properties
This standard describes procedures for the initial evaluation and daily quality control requirements necessary to ensure that timber has the structural properties claimed for it. The procedures apply both to timber that is visually and machine stress graded.
To order a copy of this standard visit:
the Standards NZ website here
NZS3603:1993 Timber Structures Standard
Sets out in limit state design format the requirements for methods of design of timber elements of buildings and applies specifically to sawn timber, glue laminated timber, natural round timber and construction plywood.
To order a copy of this standard visit:
the Standards NZ website here.
NZS3604:1999 Timber Framed Buildings
Provides suitable methods and details for the design and construction of timber framed buildings up to three storeys high. This standard is intended to apply to domestic dwellings, most residential and some commercial and other buildings, without the need for specific engineering design.
To order a copy of this standard visit:
the Standards NZ website here
AS/NZS4063:1992 Timber - Stress-graded - In-grade strength and stiffness evaluation
Describes procedures for evaluating structural properties of graded timber and verifying accuracy of specific grading techniques. Requirements for resolving doubts concerning specified design properties of particular populations of graded timber are specified.
To order a copy of this standard visit:
the Standards NZ website here
AS/NZS1748:2006 Timber - Mechanically stress-graded for structural purposes
Specifies structural property, marking and physical requirements for mechanically stress-graded timber. Physical requirements are given for strength considerations as well as for utility considerations.
To order a copy of this standard visit:
the Standards NZ website here