Quantcast Appendix C Recommended Treatment Specification

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APPENDIX C
RECOMMENDED TREATMENT SPECIFICATION
For
CDAA Structural Glued Laminated Members (Boom-Boards)
1. QUALITY ASSURANCE
A. Standards: Complywith ANSI/AITC A190.1-83. "Structural Glued Laminated Tim-
ber".
B. Factory Markings: Factory mark each piece of glued structural units with the AITC
"Quality Inspected" mark.
C. Quality Assurance: Require that all orders are inspected by an independent
inspection agency to assure conformance to treatment standard.
2. PRODUCTS
A.. Lumber: Comply with ANSI/AITC A190.1-83, AITC 117 and applicable SPIB
standards cited therein for grades required to achieve glulam requirements for design
values, appearance, fabrication limitations and species.
B. Laminating Combination: 26F-VS
C. Lumber Species: Southern Yellow Pine
D. Adhesive: ANSI/AITC A190.1 "Wet-Use" Type
E. Treatment:
1. Lumber is to be treated with pentachlorophenol prior to laminating according to
[current (AWPA specification C28-  )]. The net retention is to be 0.5 pounds per cubic
foot, as determined by laboratory analysis.
2. Glulam members are to be retreated after fabrication according to AWPA
specification [current (C28-  )] creosote. The net retention of creosote is to be 10 pounds
per cubic foot, as determined by laboratory analysis.
3. FABRICATION
A. General:
1. Comply with ANSI/AITC A190.1-83 in providing units indicated, provide
manufacturer's standard sizes and shapes required to fulfill indicated performances.
2. Shop - fabricate for connections and connecting hardware to greatest extent
feasible, including drilling of bolt holes.
C-1





 


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