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The design and construction of wood elements in structures using allowable stress design shall be in accordance with the following applicable standards listed in Table 2306.1.
TABLE 2306.1
STANDARDS FOR DESIGN AND CONSTRUCTION OF WOOD ELEMENTS IN STRUCTURES USING ALLOWABLE STRESS DESIGN
STANDARDS PROMULGATOR STANDARD TITLE
American Wood Council
ANSI/AWC NDS National Design Specification for Wood Construction
SDPWS Special Design Provisions for Wind and Seismic
American Society of Agricultural and Biological Engineers
ASABE EP 484.3 Diaphragm Design of Metal-clad, Wood-Frame Rectangular Buildings
ASABE EP 486.3 Shallow Post and Pier Foundation Design
ASABE EP 559.1 Design Requirements and Bending Properties for Mechanically Laminated Wood Assemblies
APA—The Engineered Wood Association
ANSI 117 Standard Specifications for Structural Glued Laminated Timber of Softwood Species
ANSI A190.1 Structural Glued Laminated Timber
Panel Design Specification
Plywood Design Specification Supplement 1—Design & Fabrication of Plywood Curved Panel
Plywood Design Specification Supplement 2—Design & Fabrication of Glued Plywood-lumber Beams
Plywood Design Specification Supplement 3—Design & Fabrication of Plywood Stressed-skin Panels
Plywood Design Specification Supplement 4—Design & Fabrication of Plywood Sandwich Panels
Plywood Design Specification Supplement 5—Design & Fabrication of All-plywood Beams
APA T300 Glulam Connection Details
APA S560 Field Notching and Drilling of Glued Laminated Timber Beams
APA S475 Glued Laminated Beam Design Tables
APA X450 Glulam in Residential Construction
APA X440 Product and Application Guide: Glulam
APA R540 Builders Tips: Proper Storage and Handling of Glulam Beams
Truss Plate Institute, Inc.
TPI 1 National Design Standard for Metal Plate Connected Wood Truss Construction
West Coast Lumber Inspection Bureau
AITC 104 Typical Construction Details
AITC 110 Standard Appearance Grades for Structural Glued Laminated Timber
AITC 113 Standard for Dimensions of Structural Glued Laminated Timber
AITC 119 Standard Specifications for Structural Glued Laminated Timber of Hardwood Species
AITC 200 Inspection Manual
2306.1.1 Joists and Rafters
The design of rafter spans is permitted to be in accordance with the AWC STJR.
2306.1.2 Plank and Beam Flooring
The design of plank and beam flooring is permitted to be in accordance with the AWC Wood Construction Data No. 4.
2306.1.3 Treated Wood Stress Adjustments
The allowable unit stresses for preservative-treated wood need not be adjusted for treatment, but are subject to other adjustments.
The allowable unit stresses for fire-retardant-treated wood, including fastener values, shall be developed from an approved method of investigation that considers the effects of anticipated temperature and humidity to which the fire-retardant-treated wood will be subjected, the type of treatment and the redrying process. Other adjustments are applicable except that the impact load duration shall not apply.
2306.1.4 Lumber Decking
The capacity of lumber decking arranged according to the patterns described in Section 2304.9.2 shall be the lesser of the capacities determined for moment and deflection according to the formulas in Table 2306.1.4.
TABLE 2306.1.4
ALLOWABLE LOADS FOR LUMBER DECKING
PATTERN ALLOWABLE AREA LOADa
Moment Deflection
Simple span
Two-span continuous
Combination simple- and two-span continuous
Cantilevered pieces intermixed
Controlled random layup
Mechanically laminated decking
2-inch decking
3-inch and 4-inch decking
For SI: 1 inch = 25.4 mm.
  1. wb = Allowable total uniform load limited by moment.
    wΔ = Allowable total uniform load limited by deflection.
    d = Actual decking thickness.
    l = Span of decking.
    Fb' = Allowable bending stress adjusted by applicable factors.
    E' = Modulus of elasticity adjusted by applicable factors.

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