AutoTight® by Commins
Manufacturing, Inc.
The Continuous Rod Holdown System
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   AutoTight® CAT Equivalents for TDS54
(Additional Equivalents Available for Specific Requirements)
Required Loads per Simpson Catalog Form C-ATS05 Expires 1/31/07
2003 IBC Runs     1997 UBC Runs
 
CAT 5-58 (T52)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
5 3,790 6,136 5,930
     R5 S8
4 3,790 6,136  
     R5  
3 5,930 6,136  
     R5  
2 11,620 15,708 9,250
    R8 S10
1 15,180 15,708  
    R8  
CAT 5-58 (T52)

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CAT 5-58 (T52)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
5 5,060 8,181 7,900
    R5 S8
4 5,060 8,181  
    R5  
3 7,900 8,181  
    R5  
2 15,500 20,944 12,340
    R8 S14
1 20,240 20,944  
    R8  
CAT 5-58 (T52)

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Two Take-Up Device Equivalent     Two Take-Up Device Equivalent
       
CAT 5-578 (T54321)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
5 3,790 6,136 3,790
     R5 S8
4 3,790 6,136 0
     R5 S8
3 5,930 6,136 2,140
     R5 S8
2 11,620 12,026 5,690
    R7 S8
1 15,180 15,708 3,560
    R8 S8
CAT 5-578
(T54321)

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CAT 5-578 (T54321)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
5 5,060 8,181 5,060
    R5 S8
4 5,060 8,181 0
    R5 S8
3 7,900 8,181 2,840
    R5 S8
2 15,500 16,035 7,600
    R7 S8
1 20,240 20,944 4,740
    R8 S8
CAT 5-578 (T54321)

Details Page
Under Construction

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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.