Cooper B-Line Seismic Restraints - Dixie Construction Products

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TRAPEZE BRACING Footnotes 1. It is not necessary to install both transverse braces and longitudinal braces on the same trapeze support. For example, it is common to install transverse braces on trapezes every 40 ft., and then install both transverse and longitudinal braces every 80 ft. 2. The “structure connection type” is the brace anchorage requirement. See pages 23 thru 38 for brace attachment details. 3. Any combination of brace interval and structure connection type (anchor size) may be used for a given system weight and support span. For example, it is not necessary to use structure connection type II for both transverse and longitudinal braces. Often longitudinal braces are spaced at a greater distance, and would require a larger anchor when attaching to structure. 4. The bracing intervals listed are maximums. They are rounded down to facilitate construction. For example, it is common to use a longitudinal bracing interval that is twice the transverse spacing. 5. The rod load indicates the maximum tension in the rod due to gravity and 1 /3 of the horizontal seismic force applied in the vertical direction for “unbraced trapezes”. For trapezes with braces attached, the rod load also includes additional seismic loads. Note that the rod loads at braced locations are significantly higher than unbraced trapezes. Select a hanger rod attachment detail from pages 39 thru 56 that meets the load requirements. 6. The minimum rod size is given for both braced and unbraced trapezes. Due to the additional seismic forces at braced trapezes, the rod sizes may be significantly larger. Be sure to follow the guidelines on page 57 to see if a rod stiffener is required, due to the length of the rod. Rod stiffeners, if necessary, are only required at braced locations. Unbraced trapezes never require rod stiffeners. 7. Seismic forces for charts in Appendix 2 (pages 109 - 144) include 1 /3 of horizontal seismic force applied in vertical direction. 8. Charts in Appendix 2 (pages 109 - 144) are for the seismic force levels (%g) listed on those pages. COOPER B-Line 509 West Monroe Street Highland, Illinois 62249 Phone: 800-851-7415 Fax: 618-654-1917 Date: Page No. Sheet Number: 6 - 2 - 06 145 of Raafat S. Aboulhosn Structural Engineer S 3913
Appendix 3 Proof Test Instructions For Concrete Anchors (CAN 1925B.3.5) State of California Office of Statewide Health Planning and Development TEST VALUES Hardrock or Lightweight Concrete Anchor Wedge Sleeve Shell Dia. Load Torque Load Torque Load Torque (in.) (lbs) (ft-lbs) (lbs) (ft-lbs) (lbs) (ft-lbs) 1 /4 800 10 400 4 1000 -- 5 /16 -- -- 400 4 1400 -- 3 /8 1100 25 700 10 1800 -- 1 /2 2000 50 900 20 2700 -- 5 /8 2300 80 1100 45 3700 -- 3 /4 3700 150 1400 90 5400 -- 1 5800 250 -- -- -- -- Notes 1. Anchor diameter refers to the thread size for the Wedge & Shell categories and to the anchor outside diameter for the Sleeve category. 2. Apply proof test loads to Wedge & Sleeve anchors without removing the nut if possible. If not, remove nut and install a threaded coupler to the same tightness as the original nut using a torque wrench and apply load. 3. For Sleeve/Shell internally threaded categories, verify that the anchor is not prevented from withdrawing by a baseplate or other fixtures. If restraint is found, loosen and shim or remove fixture(s) prior to testing. 4. Reaction loads from test fixtures may be applied close to the anchor being tested, provided the anchor is not restrained from withdrawing by the fixture(s). 5. Shell type anchors should be tested as follows: a. Visually inspect 25% for full expansion as evidenced by the location of the expansion plug in the anchor body. Plug location of a fully expanded anchor should be as recommended by the manufacturer, or, in the absence of such recommendation, as determined on the job site following the manufacturer’s installation instructions. At least 5% of the anchors shall be proof loaded as indicated in the table above, but not less than three anchors per day for each different person or crew installing anchors, or; b. Test 50% of the installed anchors per Section 1925B.3.5. 6. Test equipment (including torque wrenches) is to be calibrated by an approved testing laboratory in accordance with standard recognized procedures. 7. Torque test values for Shell type anchors can occur on an case-by-case basis when test procedures are submitted and approved by the enforcement agency. 8. The following criteria apply for the acceptance of installed anchors; Hydraulic Ram Method: The anchor should have no observable movement at the applicable test load. For wedge and sleeve type anchors, a practical way to determine observable movement is that the washer under the nut becomes loose. Torque Wrench Method: The applicable test torque must be reached within the following limits; Wedge or Sleeve type: One-half ( 1 /2) turn of the nut. One-quarter ( 1 /4) turn of the nut for 3 /8 inch sleeve anchor only. 9. Testing should occur a minimum of 24 hours after installation of the subject anchors. 10. If the manufacturer’s recommended installation torque is less than the test torque noted in the table, the manufacturer’s recommended installation torque should be used in lieu of the tabulated values. 11. All tests shall be performed in the presence of the Inspector of Record. COOPER B-Line 509 West Monroe Street Highland, Illinois 62249 Phone: 800-851-7415 Fax: 618-654-1917 Date: Page No. Sheet Number: Raafat S. Aboulhosn Structural Engineer S 3913 6 - 2 - 06 146 of
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SEISMIC RESTRAINTS Multi-Directiona
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TABLE OF CONTENTS General Informati
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GENERAL INFORMATION I p = Importanc
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GENERAL INFORMATION Cable tray syst
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GENERAL INFORMATION c) Check the re
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GENERAL INFORMATION f) When a flexi
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GENERAL NOTES FOR SEISMIC BRACING G
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SINGLE PIPE/CONDUIT BRACING Single
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SINGLE PIPE BRACING PIPE CLAMP TRAN
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CLEVIS HANGER TRANSVERSE BRACING (F
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TRAPEZE BRACING TRAPEZE TRANSVERSE
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TRAPEZE BRACING TRAPEZE TRANSVERSE
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TRAPEZE BRACING Typical Trapeze ATR
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STRUCTURAL ATTACHMENTS ‘T’ Conc
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Concrete Attachments Detail 4 Metal
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Concrete Attachments STRUCTURAL ATT
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STRUCTURAL ATTACHMENTS Minimum dist
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STRUCTURAL ATTACHMENTS Concrete Att
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STRUCTURAL ATTACHMENTS Wood Beam At
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STRUCTURAL ATTACHMENTS Wood Beam At
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Structural Steel Detail 16 Case 1 C
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Concrete Attachments To Slab HANGER
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Strut Attachments Typical All Threa
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HANGER ROD ATTACHMENTS & APPROVED C
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HANGER ROD SWIVEL ATTACHMENTS A 2 3
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APPROVED COMPONENTS SC228 HANGER RO
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APPROVED COMPONENTS NOTE: B633 can
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APPROVED COMPONENTS Hardware SEISMI
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APPROVED COMPONENTS 'A' (Rod Size)
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APPROVED COMPONENTS 'A' (Rod Size)
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APPROVED COMPONENTS Copper Adjustab
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APPROVED COMPONENTS Vertical Load S
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APPROVED COMPONENTS Seismic Approva
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APPROVED COMPONENTS 'A 'T' 2 'A 'T'
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APPROVED COMPONENTS 2” (50.8mm) 3
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APPROVED COMPONENTS 2 9 /16" (65mm)
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APPENDIX - SEISMIC MAP SEISMIC MAP
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Appendix 1 Support Spacing for Sing
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SUPPORT SPACING FOR SINGLE ROD HANG
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Page 97 and 98: SUPPORT SPACING FOR SINGLE ROD HANG
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Page 113 and 114: TRAPEZE BRACING Seismic Bracing Cha
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Page 151 and 152: Example: Deeply Embedded Anchors In
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Page 155 and 156: 1997 Uniform Building Code As defin
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Cooper B-Line Seismic Restraints - Dixie Construction Products

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