O177-06

(reaffirmed 2020)

Qualification code for manufacturers of structural glued-laminated timber

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Update No. 1

O177-06 May 2013

Note: For information about the Standards Update Service, go to shop.csa.ca or e-mail

techsupport@csagroup.org.

Title: Qualification code for manufacturers of structural glued-laminated timber — originally published February 2006

The following revisions have been formally approved and are marked by the symbol delta () in the margin on the attached replacement pages:

• Update your copy by inserting these revised pages.

• Keep the pages you remove for reference.

O177-06

Qualification code for manufacturers of structural glued- laminated timber

®A trademark of the Canadian Standards Association, operating as “CSA Group”

Published in February 2006 by CSA Group A not-for-profit private sector organization

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ISBN 1-55436-013-7

© 2006 Canadian Standards Association

All rights reserved. No part of this publication may be reproduced in any form whatsoever without the prior permission of the publisher.

© Canadian Standards Association

Contents

Qualification code for manufacturers of structural glued-laminated timber

Technical Committee on Solid and Engineered Wood Products v Subcommittee on Structural Glued-Laminated Timber vii Preface viii

Foreword ix

1. Scope 1

   
   

2. Reference publications 2

   
   

3. Definitions 2

   
   

4. Certification 3

   1. Class 3

   2. Application 3

   3. Examinations 3

   4. Withdrawal of qualification and reinstatement 3

      
      

5. Personnel, facilities, and equipment 3

   1. Personnel 3

   2. Personnel changes 4

   3. Manufacturing facilities and equipment 4

   4. Thermal setting equipment 4

      
      

6. Quality control 5

   1. Quality control organization 5

   2. Quality control measures 5

   3. Quality control equipment 5

   4. Quality control records 6

   5. Examination 6

      
      

7. Manufacturing and plant manuals 6

   1. Manufacturing 6

   2. Plant manuals 7

      
      

8. Plant manual requirements 7

   1. General 7

   2. Organization charts 8

   3. Equipment and facilities 8

   4. Manufacturing procedure 8

      1. Grading and nondestructive (NDT) testing 8

      2. Storage 8

      3. Moisture content 8

      4. Thickness 8

      5. Assembly methods 8

      6. End-joint checking 8

      7. Glue mixing 9

      8. Glue spreading 9

      9. Clamping 9

         
         

         February 2006 iii

         O177-06 © Canadian Standards Association

         
         

         
         

      10. Curing 9

      11. Final inspection procedure 9

   5. Routine testing 9

   6. Records 10

      1. Quality control records 10

      2. Label and certificate records 10

         
         

9. Qualification tests 10

   1. General 10

   2. Shear tests 10

      1. General 10

      2. Sample 10

      3. Specimens 10

      4. Test 10

      5. Requirements 11

   3. Vacuum-pressure cycle tests 11

      1. Adhesives qualified under CSA O112.7 and CSA O112.9 11

      2. Adhesives qualified under CSA O112.9 12

   4. Bond line fire performance 12

   5. End-joint tests 13

      1. General 13

      2. Sample 13

      3. Specimens 13

      4. Test 13

      5. Requirements 13

   6. Evaluation of nondestructively tested (NDT) lumber 14

      1. General 14

      2. Sample 14

      3. Specimens 14

      4. Test 14

      5. Requirements 14

Annexes

A (normative) — Bond line fire performance equivalency tests 17

B (informative) — Certification procedures 33

C (informative) — Sample qualification certificate 34 D (informative) — Sample conformance certificate 35 E (informative) — Sample certification label 36

F (informative) — Metric/imperial conversions 37

Figures

1. — Block shear test specimens for bond quality 15

2. — Vacuum-pressure cycle test specimen 15

3. — Bending test specimen for end joints 16

4. — Tension test specimen for end joints 16

iv February 2006

© Canadian Standards Association

O177-06

Qualification code for

Qualification code for manufacturers of structural glued-laminated timber

manufacturers of structural glued-laminated timber

1 Scope

1.1

Glued-laminated timber (Glulam) is an engineered wood product requiring precise manufacturing at all stages of fabrication. The finished product can only be tested under laboratory conditions; therefore, quality control of manufacturing is necessary to ensure that the properties of Glulam are commensurate with the specified strengths assigned to Glulam in accordance with CAN/CSA-O86.

This Standard outlines requirements for the qualification of shop manufacturers of laminated structural timber that is pressure-glued using clamps or mechanical means other than nailing.

1.2

This Standard outlines requirements for determining the initial and continuing suitability of a plant’s personnel, equipment, and procedures to manufacture structural glued-laminated timber in accordance with CSA O122.

This Standard qualifies individual plants. If more than one plant is operated by one fabricator, each plant requires separate qualification.

The process of glue laminating using mobile or temporary facilities is not covered by this Standard.

1.3

Certification of Glulam is not covered by this Standard. The manufacture of Glulam is covered by CSA O122.

1.4

In CSA Standards, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “should” is used to express a recommendation or that which is advised but not required; “may” is used to express an option or that which is permissible within the limits of the standard; and “can” is used to express possibility or capability. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.

1.5

This Standard is written in SI (metric) units. For conversion into yard/pound (imperial) equivalents, see Annex F.

February 2006 1