AutoTight® by Commins
Manufacturing, Inc.
The Continuous Rod Holdown System
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Code Standards

AutoTight® Current Code Reports

ICBO Evaluation Service, Inc. ESR-1344
http://www.icc-es.org/reports/pdf_files/ICC-ES/ESR-1344.pdf  (90kb)

ICC ESR-1344

City of Los Angeles COLA RR 25480
http://netinfo.ladbs.org/rreports.nsf/c6ffedc1d96cefd5882569300057d053/
6d3c834f8b50967888256b7900696940/$FILE/25480L-2008LABC-04-01-2009.pdf (100kb)

COLA RR 25480


ICC Acceptance Criteria for Hold Down Systems

ICBO Evaluation Services, Inc. - Acceptance Criteria for Shrinkage Compensation Devices, AC316

http://www.icc-es.org/criteria/pdf_files/ac316.pdf (159kb)

A proposed ICBO Acceptance Criteria for Rod Hold Down Systems has been on the agenda several times over the last couple of years, but a lack of direction by the ICC and squabbling among the manufactures has prevented an acceptance criteria from being issued.
 AutoTight endorses an Acceptance Criteria that includes standards for Strength, System Elongation and Backlash, Shrinkage Compensation at all Levels and Maximum Reliability.  

Local Jurisdiction Code Standards

There is currently no specific national code standard or acceptance criteria for complete rod hold down systems. However, some local jurisdictions, including the City of Los Angeles, have established specific standards for rod systems.

City and County of San Francisco - Department of Building Inspection, Structural Bulletin, SB-04-08
http://www.sfdbi.org/ftp/uploadedfiles/dbi/Services/PlanReview/SB0408ContinuousTiedownSystemsR1.pdf (135kb)

City of San Jose - Dept. of Planning, Building & Code Enforcement,  Plan Check Notes, PCN-13
http://www.sanjoseca.gov/building/Plan_Check_Notes/pcn13-wood_shear_wall_tie-down_anchoring_devices.pdf (41kb)

The City of San Diego - Development Services, Technical Policy, B-16-1
http://www.sandiego.gov/development-services/industry/pdf/buildingtechpolicy.pdf (423kb)
 

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AutoTight® Rod Holdown Systems and components are covered by one or more of the following U.S. Patents 6,390,747; 6,585,469; 6,625,945, other patents both foreign and domestic are pending.