Codes & Standards

RobPickett &Associates, LLC

Providing technical services since 2001

Codes & Standards

Section 1 – Administrative & Referenced Standards

— Only for log structures

— Requirements covered by other ICC codes are not included

Section 2 – Definitions, Abbreviations

— Log. Wood member that has been stress graded and grade marked or grade certified using rules of an accredited inspection agency in accordance with ASTM D3957, D3737, or D245 and is incorporated into a structure.

Section 3 – General Requirement

— Materials — Stress grading, moisture content, design stress values and section properties, notching and boring, wood treatments, mechanical connections and fasteners

— Fire-Resistance

— Provisions for Settling — estimating slumping, compaction and shrinkage, accommodating settling.

— Thermal Envelope

Section 4 – Structural Provisions

Specific structural analysis recommended where the design exceeds

– 3 stories or 33-ft. average grade to average roof elevation

– Floor-to-floor story height of 10-ft.

– Joist/rafter spacing of 48” o/c

– 4-ft. roof overhangs; 12:12 pitch

Or where the load exceeds 40-psf floor live load, 70-psf ground snow load, 90 mph wind speed, exp. C., and/or Seismic design category >B.

Released for purchase from ICC in June 2007, copies can be ordered online at: www.iccsafe.org/cs/standards/is-log.

Rob serves as the technical advisor to the Log Homes Council providing editorial services, presentations, research, etc. He is also the chair of the IS-LOG Committee which is responsible for ICC400 Standard on the Design & Construction of Log Structures.

ICC400 Standard on the Design and Construction of Log Structures

For more information about the design and construction of log structures, please visit http://www.awc.org/HelpOutreach/faq/FAQfiles/Log_Structures.html prepared by the American Forest & Paper Association and the American Wood Council.