Project manual for the Orangery-1994

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PART 1 DIVISION 6- WOOD Nelson Orangery 9415.00 October 3, 1994 1 06100. ROUGH CARPENTRY A. STANDARDS B. MATERIALS 1. LIDS[: All lumber must be grade-stamped by an agency certified by the Board of Review of the American Lumber Standards Committee and manufactured in accordance with product Standard 20-70, as published by the Department of Commerce. (a) Moisture Content: The moisture content of rough construction lumber, 2"or less in thickness, shall be 19%or less at the time of installation and shall be stamped "S-Dry." (b) pressure-Treated: All lumber designated as"Pressure-Treated"on the Drawings and all lumber that comes in direct contact with masonry or concrete shall be pressure-treated with a preservative to protect against wood decay. These materials shall be certified by the preservative treater as complying with the treating, drying, retention, and penetration requirements of the American Wood Preservers Bureau's AWPB-FDN standard and shall be appropriately marked attesting to such compliance. (1) All pressure-treated materials cut in the field must be field-treated until the wood absorbs no more preservative. (Treat with the same preservative used in original treatment.) (c) Grades: All wood except premanufactured trusses and laminated veneer lumber beams shall have the following minimum properties as per the most recently adopted UBC edition. (1986 edition listed, revise when 94 is adopted): (1) Studs, plates, blocking. etc.: (An example that meets the specrf'ications below is Hem-fir(north)#2 and better) Fb - 1100 psi (rep) E = 1,400,000 Fc-- = 370 psi Fv = 75 psi (2) Joists. rafters. beams, and headers (unless stated otherwise on the Drawings) (An example that meets the specifications below is Douglas Fir-Larch#2 and better) Fb = 1450 psi(rep) E = 1,700,000 Fc - 1050 psi . Fv - 95 psi 2. Laminated Veneer Lumber Beams: To be Micro-Lam as manufactured by Trus Joist Corporation or approved equal. (a) The supplier of laminated veneer lumber beams is to design and provide metal connectors for all structural beam connections. Connections for applicable loading conditions shall be designed by a professional structural engineer. (b) Provide Shop Drawings for all beams and metal connectors for these beams according to Section 00160. 3. Structural Connectors:The Contractor is solely responsible for providing structural metal connectors for all wood framing connections that are designated on the Drawings and as noted below: (a) All connections that are shown on the Drawings with a load In Kips. j The Contractor is solely responsible for ensuring that these connections are designed by a registered structural engineer, using the loading shown on the Architect's Drawings. This requirement includes beam to beam,post to beam, truss to beam,and truss to truss connections,as well as all other areas that require metal connectors to carry any part of stnxlural bads. (b) All miscellaneous metal connectors such as joist hangers,straps,post connectors, etc.