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  • BS 4978(2007) : 2007

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    VISUAL STRENGTH GRADING OF SOFTWOOD - SPECIFICATION

    Available format(s):  Hardcopy, PDF

    Language(s):  English

    Published date:  01-01-2007

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    Foreword
    1 Scope
    2 Normative references
    3 Terms and definitions
    4 Strength graded timber
    5 Grade requirements
    6 Measurement of characteristics
    7 Marking
    Annexes
    Annex A (normative) - Determination of the
            knot area ratio in cases of dispute
    Annex B (normative) - The control and supervision
            of visual strength grading operations
    Bibliography

    Abstract - (Show below) - (Hide below)

    Describes a methodology for the visual strength grading of softwood for structural use.

    General Product Information - (Show below) - (Hide below)

    Committee B/518
    Development Note Supersedes BS 4978(1996) and 06/30148361 DC. (05/2007) Supersedes 11/30238046 DC. (12/2011) 2007 Edition Re-Issued in October 2017 & incorporates AMD 2 2017. Supersedes 17/30356462 DC. (12/2017)
    Document Type Standard
    Publisher British Standards Institution
    Status Current
    Supersedes

    Standards Referenced By This Book - (Show below) - (Hide below)

    08/30113948 DC : 0 BS 2482 - SPECIFICATION FOR TIMBER SCAFFOLD BOARDS
    BS 1133-8(1991) : 1991 PACKAGING CODE - SECTION 8: WOODEN BOXES, CASES AND CRATES
    BS 5268-2(2002) : 2002 STRUCTURAL USE OF TIMBER - PART 2: CODE OF PRACTICE FOR PERMISSIBLE STRESS DESIGN, MATERIALS AND WORKMANSHIP
    BS 8103-3(2009) : 2009 STRUCTURAL DESIGN OF LOW-RISE BUILDINGS - PART 3: CODE OF PRACTICE FOR TIMBER FLOORS AND ROOFS FOR HOUSING
    BS 5268-7.1(1989) : 1989 STRUCTURAL USE OF TIMBER - PART 7: RECOMMENDATIONS FOR THE CALCULATION BASIS FOR SPAN TABLES - SECTION 7.1 DOMESTIC FLOOR JOISTS
    BS 1722-5(2006) : 2006 FENCES - PART 5: SPECIFICATION FOR CLOSE-BOARDED FENCES AND WOODEN PALISADE FENCES
    S.R. 70:2015 TIMBER IN CONSTRUCTION - EUROCODE 5 - TRUSSED RAFTERS
    BS 5268-7.2(1989) : 1989 STRUCTURAL USE OF TIMBER - PART 7: RECOMMENDATIONS FOR THE CALCULATION BASIS FOR SPAN TABLES - SECTION 7.2 JOISTS FOR FLAT ROOFS
    17/30340326 DC : 0 BS ISO 9709 - STRUCTURAL TIMBER - VISUAL STRENGTH GRADING - BASIC PRINCIPLES
    BS 5268-7.7(1990) : 1990 STRUCTURAL USE OF TIMBER - PART 7: RECOMMENDATIONS FOR THE CALCULATION BASIS FOR SPAN TABLES - SECTION 7.7 PURLINS SUPPORTING SHEETING OR DECKING
    BS 2482(2009) : 2009 SPECIFICATION FOR TIMBER SCAFFOLD BOARDS
    08/30140202 DC : 0 BS 8103-3 - STRUCTURAL DESIGN OF LOW-RISE BUILDINGS - PART 3: CODE OF PRACTICE FOR TIMBER FLOORS AND ROOFS FOR HOUSING
    BS PD6693-1(2012) : 2012 RECOMMENDATIONS FOR THE DESIGN OF TIMBER STRUCTURES TO EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1: GENERAL - COMMON RULES AND RULES FOR BUILDINGS
    BS 1133-8(2011) : 2011 PACKAGING CODE - PART 8: GUIDANCE ON WOODEN BOXES, CASES AND CRATES
    BS 5534(2014) : 2014 SLATING AND TILING FOR PITCHED ROOFS AND VERTICAL CLADDING - CODE OF PRACTICE
    I.S. ICP 2:2002 SLATING AND TILING
    I.S. 127:2015 STRUCTURAL TIMBER - VISUAL STRENGTH GRADING - SAWN SOFTWOODS WITH RECTANGULAR CROSS-SECTION
    BS EN 14080 : 2013 TIMBER STRUCTURES - GLUED LAMINATED TIMBER AND GLUED SOLID TIMBER - REQUIREMENTS
    BS 1722-5(2006) : 2006 FENCES - PART 5: SPECIFICATION FOR CLOSE-BOARDED FENCES AND WOODEN PALISADE FENCES
    BS 1133-8(2011) : 2011 PACKAGING CODE - PART 8: GUIDANCE ON WOODEN BOXES, CASES AND CRATES
    BS 1133-8:1991 PACKAGING CODE - SECTION 8: WOODEN BOXES, CASES AND CRATES
    BS 5534(2014) : 2014 SLATING AND TILING FOR PITCHED ROOFS AND VERTICAL CLADDING - CODE OF PRACTICE
    EN 14080 : 2013 TIMBER STRUCTURES - GLUED LAMINATED TIMBER AND GLUED SOLID TIMBER - REQUIREMENTS

    Standards Referencing This Book - (Show below) - (Hide below)

    BS EN 1310 : 1997 ROUND AND SAWN TIMBER - METHOD OF MEASUREMENT OF FEATURES
    BS EN 1912:2012 Structural Timber. Strength classes. Assignment of visual grades and species
    BS EN 338:2016 STRUCTURAL TIMBER - STRENGTH CLASSES
    BS EN 14250 : 2010 TIMBER STRUCTURES - PRODUCT REQUIREMENTS FOR PREFABRICATED STRUCTURAL MEMBERS ASSEMBLED WITH PUNCHED METAL PLATE FASTENERS
    BS EN 13556 : 2003 ROUND AND SAWN TIMBER - NOMENCLATURE OF TIMBERS USED IN EUROPE
    BS EN 13183-2 : 2002 MOISTURE CONTENT OF A PIECE OF SAWN TIMBER - ESTIMATION BY ELECTRICAL RESISTANCE METHOD
    BS EN 14081-1:2016 TIMBER STRUCTURES - STRENGTH GRADED STRUCTURAL TIMBER WITH RECTANGULAR CROSS SECTION - PART 1: GENERAL REQUIREMENTS
    BS EN 1995-1-1 : 2012 EUROCODE 5: DESIGN OF TIMBER STRUCTURES - PART 1-1: GENERAL - COMMON RULES AND RULES FOR BUILDINGS
    BS EN 336:2013 STRUCTURAL TIMBER - SIZES, PERMITTED DEVIATIONS
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