AutoTight® by Commins
Manufacturing, Inc.
The Continuous Rod Holdown System
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   AutoTight® CAT Equivalents for TDS25
Required Loads per Simpson Catalog Form C-ATS05 Expires 1/31/07
2003 IBC Runs     1997 UBC Runs
 
CAT 2-9 (T2)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
2 15,180 19,880 19,210
    R9 S19
1 19,210 19,880  
    R9  
CAT 2-9 (T2)

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CAT 2-9 (T2)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
2 20,240 26,507 25,620
    R9 S28
1 25,620 26,507  
    R9  
CAT 2-9 (T2)

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Single Take-Up Device Equivalent     Single Take-Up Device Equivalent
       
CAT 2-89 (T21)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
2 15,180 15,708 15,180
    R8 S16
1 19,210 19,880 4,030
    R9 S8L
CAT 2-89 (T21)

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CAT 2-89 (T21)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
2 20,240 20,944 20,240
    R8 S22
1 25,620 26,507 5,380
    R9 S8L
CAT 2-89 (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.