AutoTight® by Commins
Manufacturing, Inc.
The Continuous Rod Holdown System
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   AutoTight® CAT Equivalents for TDS45
(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 4-69 (T42)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
4 5,930 8,836 8,540
    R6 S10
3 8,540 8,836  
    R6  
2 15,180 15,708 10,670
    R8 S12L
1 19,210 19,880  
    R9  
CAT 4-69 (T42)

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CAT 4-69 (T42)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
4 7,900 11,781 11,380
    R6 S12
3 11,380 11,781  
    R6  
2 20,240 26,507 14,240
    R9 S16L
1 25,620 26,507  
    R9  
CAT 4-69 (T42)

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Two Take-Up Device Equivalent     Two Take-Up Device Equivalent
       
CAT 4-5689 (T4321)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
4 5,930 6,136 5,930
     R5 S8
3 8,540 8,836 2,610
    R6 S8
2 15,180 15,708 6,640
    R8 S8
1 19,210 19,880 4,030
    R9 S8L
CAT 4-5689
(T4321)

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Under Construction

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Information

    
CAT 4-5689 (T4321)
   Reqd  Tension Diff.
Level  Load  Load Load
   lbs  Rod Plate
4 7,900 8,181 7,900
    R5 S8
3 11,380 11,781 3,480
    R6 S8
2 20,240 20,944 8,860
    R8 S10
1 25,620 26,507 5,380
    R9 S8L
CAT 4-5689
(T4321)

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Under Construction

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for further
Information
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.