Cooper B-Line Seismic Restraints - Dixie Construction Products

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GENERAL INFORMATION e) In many cases, several short runs occur one after the other. Based on previous requirements, each straight run requires a longitudinal brace when the adjacent short runs exceed the maximum offset length (ft.). When the adjacent short runs do not exceed the maximum offset length (ft.) the longitudinal braces can act as transverse braces as long as the allowable transverse brace spacing (Appendixes 1 & 2) is not exceeded. In the following layout, transverse braces are used as longitudinal braces when the straight runs are less than the maximum offset length (ft.). When a straight run exceeds the maximum offset length (ft.) additional braces are required. First Transverse Brace Second Transverse Brace Longitudinal brace Two braces may be required. Straight run exceeding the maximum offset length (ft.) Longitudinal brace Short run less than the maximum offset length (ft.) Multiple offsets can be treated as a single run when the total offset is less than the maximum offset length (ft.). Plan or Elevation 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 7 of Raafat S. Aboulhosn Structural Engineer S 3913
GENERAL INFORMATION f) When a flexible connection or swing joint is used, such as at a pipe drop to mechanical equipment, the pipe may cantilever at a length equal to or less than half the allowable transverse brace spacing (Appendixes 1 & 2). When greater than half the allowable transverse brace spacing, support to the floor is required as shown below. Straight Run Transverse brace at the end of horizontal run Requires a flexible connection or swing joint between equipment. Allowable Transverse Brace Spacing 2 Mechanical equipment. Floor If < 6 ft. Support to Floor Is Required. Step 4: Note the structure connection type (brace anchor requirements) from the Appendix, and select the brace anchorage detail to suit (pages 23 thru 38). Step 5: Note the hanger rod load from the Appendix, and select a rod attachment to structure to suit (pages 39 thru 56). Step 6: Check if rod stiffeners are required (pages 57 & 58) to prevent the hanger rod from buckling. Seismic restraints may typically be o m i t t e d for the following conditions where flexible connectors are provided between components and the associated ductwork, piping, and conduit: 1. Fuel, medical gas, and vacuum piping less than 1 inch (25 mm) inside diameter. 2. All other piping less than 2 1 /2 inches (64 mm) diameter, or: • All piping suspended by individual hangers 12 inches (305 mm) or less in length from the top of the pipe to the bottom of the structural support for the hanger • All electrical conduit less than 2 1 /2 inches (64 mm) trade size 3. All rectangular air-handling ducts less than 6 ft 2 (0.56 m 2 ) in cross sectional area or: • All round air-handling ducts less than 28 inches (711 mm) in diameter • All ducts suspended by hangers 12 inches (305 mm) or less from the top of the duct to the bottom of the structural support for the hanger; where the hangers are detailed to avoid bending of the hangers and their connections. (To eliminate bending moment, flexible connections may be used. See B752 on page 49 or B446 & B446C on page 56) Where lateral restraints are omitted, the piping, ducts, or conduit shall be installed such that lateral motion of the piping, duct, or conduit will not cause damaging impact with other systems or structural members, or loss of vertical support. NOTE: Reference building code enforced by local authority with jurisdiction for specific requirements, and verify all omissions or exemptions with structural engineer 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 8 of
Page 1 and 2: SEISMIC RESTRAINTS Multi-Directiona
Page 3 and 4: TABLE OF CONTENTS General Informati
Page 5 and 6: GENERAL INFORMATION I p = Importanc
Page 7 and 8: GENERAL INFORMATION Cable tray syst
Page 9: GENERAL INFORMATION c) Check the re
Page 13 and 14: GENERAL NOTES FOR SEISMIC BRACING G
Page 15 and 16: SINGLE PIPE/CONDUIT BRACING Single
Page 17 and 18: SINGLE PIPE BRACING PIPE CLAMP TRAN
Page 19 and 20: CLEVIS HANGER TRANSVERSE BRACING (F
Page 21 and 22: TRAPEZE BRACING TRAPEZE TRANSVERSE
Page 23 and 24: TRAPEZE BRACING TRAPEZE TRANSVERSE
Page 25 and 26: TRAPEZE BRACING Typical Trapeze ATR
Page 27 and 28: STRUCTURAL ATTACHMENTS ‘T’ Conc
Page 29 and 30: Concrete Attachments Detail 4 Metal
Page 31 and 32: Concrete Attachments STRUCTURAL ATT
Page 33 and 34: STRUCTURAL ATTACHMENTS Minimum dist
Page 35 and 36: STRUCTURAL ATTACHMENTS Concrete Att
Page 37 and 38: STRUCTURAL ATTACHMENTS Wood Beam At
Page 39 and 40: STRUCTURAL ATTACHMENTS Wood Beam At
Page 41 and 42: Structural Steel Detail 16 Case 1 C
Page 43 and 44: Concrete Attachments To Slab HANGER
Page 51 and 52: Strut Attachments Typical All Threa
Page 53 and 54: HANGER ROD ATTACHMENTS & APPROVED C
Page 59 and 60: 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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Appendix 2 Seismic Bracing Charts f
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TRAPEZE BRACING Seismic Bracing Cha
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Seismic Bracing Charts for Trapeze
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Appendix 3 Proof Test Instructions
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Example: Deeply Embedded Anchors In
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Check if value falls within the all
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1997 Uniform Building Code As defin
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Example Two, Shallow Embedded Ancho
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Appendix 5 This page has been reser
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