These manuals are a comprehensive library of seismic bracing solutions, engineering design tables, code clarifications, in depth installation details and inspection criteria. Installing Seismic Restraints for Electrical Equipment Course No: S05-009 Credit: 5 PDH Elie Tawil, P.E., LEED AP Continuing Education and Development, Inc. 22 Stonewall Court Woodcliff Lake, NJ 07677 P: (877) 322-5800 [email protected] FEDERAL EMERGENCY MANAGEMENT AGENCY FEMA 413/January 2004 INSTALLING SEISMIC RESTRAINTS FOR ELECTRICAL EQUIPMENT. For steel special moment resisting frams (SMRF), with Cd = 5.5 and β = 1, θmax = 0.09, which is less than 0.10. Not required. Section 13.6 specifies the requirements for seismic bracing of mechanical and electrical equipment suspended from the structure. Install per manufacturer's requirements. DIVISION 26 - ELECTRICAL SECTION 26 05 48.00 10 SEISMIC PROTECTION FOR ELECTRICAL EQUIPMENT 10/07 PART 1 GENERAL 1.1 REFERENCES 1.2 SYSTEM DESCRIPTION 1.2.1 General Requirements 1.2.2 Electrical Equipment 1.2.3 Electrical Systems 1.2.4 Contractor Designed Bracing 1.2.5 Conduits Requiring No Special Seismic Restraints View an alternate solution that delivers additional options. The aim is to prevent damage to the electrical reticulation apparatus or building. your seismic bracing results based on your project selections: brace all conduit greater than 2.5" diameter and all trapeze assemblies supporting loads more than 10 lbs per linear foot. Gripple Seismic Bracing systems are ideal for use on nonstructural components and equipment requiring seismic design, such as in essential facilities that are required for emergency operations in the aftermath of an earthquake. To safeguard potential damage from a seismic event, rigid bracing using pipe as the bracing member should be used to brace trapeze. We carry a large inventory of Vibration and Seismic Control products tailored to the needs and requirements of the electrical contractor or manufacturer. 2. Light Fixture Attachment. We provide custom installation for piping above and below grade, as well as design of custom seismic restraint supports for HVAC, electrical equipment, pipes, conduit and tanks. Splay bracing connection strength 200 lbs or the design load, whichever is greater . (25 mm) or less. Provide Kin-Line seismic bracing system, Midland Ross superstrut seismic restraint system, Cooper B Line Seismic Bracing System, or equal. Our products are also apt for fire protection, mechanical, plumbing, electrical fields. A basic understanding of seismic design requirements and your responsibility/potential liability as a project team member is critical for you to protect your business interests. These seismic bracing solutions include easy-to-install and easy-to-inspect snap-off bolts, with only one wrench needed for installation. ***** SECTION 23 05 48.19 Page 3. Grainger brings you seismic bracing products. Credit: 4 PDH. (13.1.3) When the conduit system crosses seismic isolation interface or joint. Not required. Seismic bracing is not required per ASCE 7 if the ducts or piping are supported 12 in. Seismic separation joint. Figure 1 shows an example of conduit bracing for a larger diameter conduit. IBC 2009 and CBC 2010 refer to ASCE 7-05 as the performance benchmarks for seismic criteria. Electrical reticulation (cable or busbar) and associated ducting or conduit should be designed and installed to allow relative movement of the building or electrical apparatus to which it is connected or both. PART 3 - EXECUTION duct, conduit/cable tray, and piping) within a building or structure to minimize earthquake damage. This approach removes the redundancy of engineering the most common situations, and has become the standard for many engineers and contractors having to deal with the requirements of the International Building Codes … Raceway supports shall have the capability of withstanding seismic forces per Sections 13.3 and 13.4 of ASCE 7-05. Electrical Systems and Components (ASCE 7‐05 Sections 13.6.4, 13.6.5 & 13.6.11 and 13.6.11) Electrical components designated as having a Component Importance Factor, IP, greater than 1.0. [Importance factor I p as defined in ASCE7-10 Section 13.1.3] 2. Allowed only if ceiling is able to move laterally. Rigid bracing for ceiling plane elevation changes. Section 12.8.7 of ASCE 7-10 permits β (the ratio of shear demand to shear capacity for the story) to be conservatively taken as 1.0. Partition attachment. Seismic Support of Electrical Equipment. Single pipe and conduit rigid and cable braces protect fire sprinkler systems, gas piping systems, electrical conduits and plumbing systems. ii iii INSTALLING SEISMIC … Seismic Restraint Design • The spacing and type of bracing along a run of piping, conduit or ductwork should not vary greatly in order to ensure uniform deflection and loading. the installation of the seismic bracing system. It’s also important to understand what the additional product offerings are to stabilize services in a commercial building. 1. These guidelines meet the bracing requirements of California’s building and plumbing codes, which require that a minimum of two sets of bracing straps be provided to … 5. Seismic Bracing - New Construction SRS provides seismic restraint design and construction services include the installation of seismic braces, cables, snubbers and anchors. KINETICS™ Guide to Understanding IBC Seismic for MEP TABLE OF CONTENTS PAGE 1 of 3 D2.1 – 0.0 Toll Free (USA Only): 800-959-1229 RELEASED ON: 05/29/2008 International: 614-889-0480 FAX614-889-0540 World Wide Web: www.kineticsnoise.com E-mail: [email protected] Dublin, Ohio, USAÃ Mississauga, Ontario, Canada Member TABLE OF CONTENTS Section Title D2.1 – 1.0 … As part of the engineering service, Gripple ensures that the bracing meets the seismic design requirements of the nonstructural components, in regards to weight loads of the types of connection. seismic bracing is a code requirement 5 6. Preview a portion of this course before purchasing it. Bracing of Pipes - Conduit 2. components or to protect the piping in the event of such impact; and the following requirements are satisfied: a) For Seismic Design Categories D, E or F where I p is greater than 1.0, the nominal pipe size shall be 1 in. Channel Sections; Rigid Brace Fittings; Pipe & Conduit Clamps; Rod Stiffeners; Hardware; Fiberglass (Aickinstrut) Channel Sections; Fiberglass Fittings; Nuts and Hardware; Beam Clamps; Pipe Clamps, … Use Ip = 1.5, Site Class B. Zone I-schedule of bracing requirements for conduit 1.0 Figure 7.1.1 Zone I-schedule of bracing requirements for conduit 1.3 Figure 7.1.2 Zone I-schedule of bracing requirements for conduit 1.5 Figure 7.1.3 Zone II-schedule of bracing requirements for conduit 1.0 Figure 7.1.4 The Seismic bracing kits come with a selection of pre-stretched Gripple Seismic cable, available in 10 ft, 15 ft and 20 ft lengths, pre-attached end fittings, and standard or retrofit brackets. Rigid floor-mounted equipment: Do not shim, or attach directly to the steel structure or concrete structure. Seismic Standards. We have extensive history working with the electrical contractor to successful completion of their large scale projects such as data centres, hospitals and schools. Seismic bracing, wind, flood load and isolation materials shall be the certified products of the same manufacturing group and shall be certified by that group. INTRODUCTION 1.1 Purpose 1.2 Scope 1.2.1 This standard encompasses the design and performance requirements for rigid seismic sway bracing components used to brace pipe, tubing and conduit. 5. An important element in designing power systems to resist seismic events is seismic demand spectrum. (all conduit should be considered full when calculating weight) how do i know my project's importance factor: The rigid bracing solutions braces pipes 1” through 12” and the cable brace is unlimited. This seven hour online course discusses some fundamental basics of how to attach electrical equipment to a building to minimize earthquake damage. The Seismic Bracing Kits come with a selection of Gripple Seismic cable, available in 10 ft, 15 ft and 20 ft lengths, pre-attached end fittings, and standard or retrofit brackets. 12 Inch Rule: When a distributed system such as conduit ducts or pipes are suspended from the structure with hangers less than 12 inches in length, seismic bracing is not required. Steven G. Liescheidt, P.E., CCS, CCPR. Standard Seismic Applications Guide - IBC Category C The following are all the IBC Category C 2 Code Requirements for lay-in acoustical panels and direct-hung acoustical tiles. In the final blog of the seismic bracing video series, see how rigid bracing is used in a mechanical or plumbing application. The Seismic Tables are for a seismic factor of 1.0g and can be used to determine brace location, sizes, and anchorage of pipe/duct/conduit and trapeze supports. • Each unit of equipment connected to a run of piping, conduit or ductwork shall be individually and independently braced. Section 13.6 of ASCE 7-10 provides the requirements of seismic bracing for mechanical and electrical components. Definitions in Section 11.2 of ASCE 7-10 apply to all seismic requirements in the 2013 CBC and ASCE 7-10, unless modified in the 2013 CBC. Length: 93 pages. Components with I p = 1.0: The attached Table A specifies the City of Bellevue-approved seismic bracing requirements.
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