AutoTight® by Commins
Manufacturing, Inc.
The Continuous Rod Holdown System
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   AutoTight™ CAT Equivalents for TDS23
Required Loads per Simpson Catalog Form C-ATS05 Expires 1/31/07
2003 IBC Runs     1997 UBC Runs
 
CAT 2-7 (T2)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
2 5,930 12,026 11,620
    R7 S12
1 11,620 12,026  
    R7  
CAT 2-7 (T2)

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CAT 2-7 (T2)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
2 7,900 16,035 15,500
    R7 S16
1 15,500 16,035  
    R7  
CAT 2-7 (T2)

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Single Take-Up Device Equivalent     Single Take-Up Device Equivalent
       
CAT 2-57 (T21)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
2 5,930 6,136 5,930
     R5 S8
1 11,620 12,026 5,690
    R7 S8
CAT 2-57 (T21)

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CAT 2-57 (T21)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
2 7,900 8,181 7,900
    R5 S8
1 15,500 16,035 7,600
    R7 S8
CAT 2-57 (T21)

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Take-Up Device Every Level
 Required by Many Structural Plans		     Take-Up Device Every Level
Required by the City of San Diego
Embedments
(under construction)		    
Compression Trimmers
Douglas Fir-Larch
Hem-Fir
 
 
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Copyright 2005  Commins Manufacturing, Inc., Friday Harbor, WA 98250, Tel (360) 378-9484
 

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.