The Seismic Restraint Manual: Guidelines for Mechanical Systems, 3rd edition 2008, ANSI/SMACNA 001-2008, is an updated set of guidelines that shows designers and contractors how to determine the correct restraints for sheet metal ducts, piping and conduit, so that they are more likely to remain attached to the building during an earthquake. The manual shows how very low- and very high-risk areas of the country can be accommodated. Includes a more extensive list of bracing options and complies with current building codes all within a single document for user convenience.

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PDF Pages	PDF Title
5	FOREWORD
7	SEISMIC RESTRAINT TASK FORCE
9	NOTICE TO USERS OF THIS PUBLICATION
13	TABLE OF CONTENTS
21	CHAPTER 1 INTRODUCTION 1.1 OVERVIEW 1.2 WHAT ARE SEISMIC LOADS? 1.3 WHAT HAPPENS DURING AN EARTHQUAKE? 1.4 HOW TO RESIST SEISMIC LOADS 1.5 KINDS OF BRACING 1.6 WHY DIFFERING REQUIREMENTS?
25	CHAPTER 2 INSTRUCTIONS FOR USING THE GUIDELINES 2.1 THE SEISMIC HAZARD LEVEL (SHL) 2.2 HOW TO READ THE SIZING TABLES 2.3 USING THE SIZING TABLES
26	2.4 EXAMPLE: DUCT BRACING
31	CHAPTER 3 GENERAL REQUIREMENTS 3.1 GENERAL REQUIREMENTS 3.2 MATERIAL SPECIFICATIONS Table 3-1 Standard Sheet Metal Gages
32	3.3 GENERAL REQUIREMENTS FOR BRACING OF DUCTS Table 3-2 Minimum Allowable Cable Strength Table 3-3 Minimum Allowable Design Values for Expansion Anchors
33	3.4 GENERAL REQUIREMENTS FOR BRACING OF PIPES
34	3.5 ITEMS TO BE PROVIDED BY THE DESIGN PROFESSIONALS 3.6 NOTES ON ATTACHMENT TO THE BUILDING STRUCTURE
37	CHAPTER 4 DETAIL DRAWINGS OF BRACING 4.1 INSTRUCTIONS FOR BRACING INDIVIDUALLY SUPPORTED PIPE
39	EXAMPLE 1. AT PIPE DROP TO MECHANICAL EQUIPMENT
40	FIGURE 4-1 TYPICAL LOCATIONS OF BRACING
41	FIGURE 4-2 SIDE BRACING FOR RECTANGULAR DUCTS
42	FIGURE 4-3 SIDE BRACING FOR RECTANGULAR DUCTS
43	FIGURE 4-4 CABLE SIDE BRACING FOR RECTANGULAR DUCTS
44	FIGURE 4-5 SIDE BRACING FOR RECTANGULAR DUCTS
45	FIGURE 4-6 CENTER BRACING FOR RECTANGULAR DUCTS
46	FIGURE 4-7 CABLE CENTER BRACING FOR RECTANGULAR DUCTS
47	FIGURE 4-8 FLOOR SUPPORTED DUCT
48	FIGURE 4-9 SINGLE HANGER BRACING FOR ROUND DUCTS 33-36 INCHES (838-900 MM)
49	FIGURE 4-10 SINGLE HANGER CABLE BRACING FOR ROUND DUCTS 33-36 INCHES (838-900 MM)
50	FIGURE 4-11 DOUBLE HANGER BRACING FOR ROUND DUCTS UP TO 84 INCHES (2100 MM)
51	FIGURE 4-12 DOUBLE HANGER BRACING FOR ROUND DUCTS UP TO 84 INCHES (2100 MM)
52	FIGURE 4-13 TRANSVERSE BRACING FOR PIPES
53	FIGURE 4-14 STRUT BRACING FOR PIPES
54	FIGURE 4-15 ALTERNATE ATTACHMENT TO HANGER FOR PIPE BRACING
55	FIGURE 4-16 LONGITUDINAL BRACING FOR PIPES
56	FIGURE 4-17 ALTERNATE BRACING FOR PIPES
57	FIGURE 4-18 CABLE BRACING FOR PIPES
58	FIGURE 4-19 LONGITUDINAL CABLE BRACING FOR PIPES
59	FIGURE 4-20 STRUT BRACING FOR PIPE TRAPEZE
60	FIGURE 4-21 CABLE BRACING FOR PIPE TRAPEZE
61	FIGURE 4-22 FLOOR SUPPORTED PIPES
65	CHAPTER 5 TABLES FOR SEISMIC HAZARD LEVEL A 5.1 USE OF TABLES
66	Table 5-1 Side Bracing For Rectangular Ducts, SHL A, L=2 ft 8 in. (Max.)
67	Table 5-1M Side Bracing For Rectangular Ducts, SHL A, L=.81 m (Max.)
68	Table 5-2 Side Bracing for Rectangular Ducts with Rod Hangers, SHL A
69	Table 5-2M Side Bracing for Rectangular Ducts with Rod Hangers, SHL A
70	Table 5-3 Center Bracing For Rectangular Ducts, SHL A, L=7 ft
71	Table 5-3M Center Bracing For Rectangular Ducts, SHL A, L=2.1 m
72	Table 5-4 Center Bracing For Rectangular Ducts, SHL A, L=10 ft
73	Table 5-4M Center Bracing For Rectangular Ducts, SHL A, L=3.0 m
74	Table 5-5 Floor Supported Ducts, SHL A
75	Table 5-5M Floor Supported Ducts, SHL A
76	Table 5-6 Bracing For Round Ducts, SHL A
77	Table 5-6M Bracing For Round Ducts, SHL A
78	Table 5-7 Schedule for Bracing Pipes and Conduit, SHL A
79	Table 5-7M Schedule for Bracing Pipes and Conduit, SHL A
80	Table 5-8 Schedule for Bracing Pipes on Trapeze, SHL A
81	Table 5-8M Schedule for Bracing Pipes on Trapeze, SHL A
82	Table 5-9 Floor Supported Pipes, SHL A
83	Table 5-9M Floor Supported Pipes, SHL A
87	CHAPTER 6 TABLES FOR SEISMIC HAZARD LEVEL B 6.1 USE OF TABLES
88	Table 6-1 Side Bracing For Rectangular Ducts, SHL B, L=2 ft 8 in. (Max.)
89	Table 6-1M Side Bracing For Rectangular Ducts, SHL B, L=0.81m (Max.)
90	Table 6-2 Side Bracing for Rectangular Ducts with Rod Hangers, SHL B
91	Table 6-2M Side Bracing for Rectangular Ducts with Rod Hangers, SHL B
92	Table 6-3 Center Bracing For Rectangular Ducts, SHL B, L=7 ft
93	Table 6-3M Center Bracing For Rectangular Ducts, SHL B, L=2.1 m
94	Table 6-4 Center Bracing For Rectangular Ducts, SHL B, L=10 ft
95	Table 6-4M Center Bracing For Rectangular Ducts, SHL B, L=3.0 m
96	Table 6-5 Floor Supported Ducts, SHL B
97	Table 6-5M Floor Supported Ducts, SHL B
98	Table 6-6 Bracing For Round Ducts, SHL B
99	Table 6-6M Bracing For Round Ducts, SHL B
100	Table 6-7 Schedule for Bracing Pipes and Conduit, SHL B
101	Table 6-7M Schedule for Bracing Pipes and Conduit, SHL B
102	Table 6-8 Schedule for Bracing Pipes on Trapeze, SHL B
103	Table 6-8M Schedule for Bracing Pipes on Trapeze, SHL B
104	Table 6-9 Floor Supported Pipes, SHL B
105	Table 6-9M Floor Supported Pipes, SHL B
109	CHAPTER 7 TABLES FOR SEISMIC HAZARD LEVEL C 7.1 USE OF TABLES
110	Table 7-1 Side Bracing For Rectangular Ducts, SHL C, L=2 ft 8 in. (Max.)
111	Table 7-1M Side Bracing For Rectangular Ducts, SHL C, L=0.81m (Max.)
112	Table 7-2 Side Bracing for Rectangular Ducts with Rod Hangers, SHL C
113	Table 7-2M Side Bracing for Rectangular Ducts with Rod Hangers, SHL C
114	Table 7-3 Center Bracing For Rectangular Ducts, SHL C, L=7 ft
115	Table 7-3M Center Bracing For Rectangular Ducts, SHL C, L=2.1 m
116	Table 7-4 Center Bracing For Rectangular Ducts, SHL C, L=10 ft
117	Table 7-4M Center Bracing For Rectangular Ducts, SHL C, L=3.0 m
118	Table 7-5 Floor Supported Ducts, SHL C
119	Table 7-5M Floor Supported Ducts, SHL C
120	Table 7-6 Bracing For Round Ducts, SHL C
121	Table 7-6M Bracing For Round Ducts, SHL C
122	Table 7-7 Schedule for Bracing Pipes and Conduit, SHL C
123	Table 7-7M Schedule for Bracing Pipes and Conduit, SHL C
124	Table 7-8 Schedule for Bracing Pipes on Trapeze, SHL C
125	Table 7-8M Schedule for Bracing Pipes on Trapeze, SHL C
126	Table 7-9 Floor Supported Pipes, SHL C
127	Table 7-9M Floor Supported Pipes, SHL C
131	CHAPTER 8 TABLES FOR SEISMIC HAZARD LEVEL D 8.1 USE OF TABLES
132	Table 8-1 Side Bracing For Rectangular Ducts, SHL D, L=2 ft 8 in. (Max.)
133	Table 8-1M Side Bracing For Rectangular Ducts, SHL D, L=0.81m (Max.)
134	Table 8-2 Side Bracing for Rectangular Ducts with Rod Hangers, SHL D
135	Table 8-2M Side Bracing for Rectangular Ducts with Rod Hangers, SHL D
136	Table 8-3 Center Bracing For Rectangular Ducts, SHL D, L=7 ft
137	Table 8-3M Center Bracing For Rectangular Ducts, SHL D, L=2.1 m
138	Table 8-4 Center Bracing For Rectangular Ducts, SHL D, L=10 ft
139	Table 8-4M Center Bracing For Rectangular Ducts, SHL D, L=3.0 m
140	Table 8-5 Floor Supported Ducts, SHL D
141	Table 8-5M Floor Supported Ducts, SHL D
142	Table 8-6 Bracing For Round Ducts, SHL D
143	Table 8-6M Bracing For Round Ducts, SHL D
144	Table 8-7 Schedule for Bracing Pipes and Conduit, SHL D
145	Table 8-7M Schedule for Bracing Pipes and Conduit, SHL D
146	Table 8-8 Schedule for Bracing Pipes on Trapeze, SHL D
147	Table 8-8M Schedule for Bracing Pipes on Trapeze, SHL D
148	Table 8-9 Floor Supported Pipes, SHL D
149	Table 8-9M Floor Supported Pipes, SHL D
153	CHAPTER 9 DETAILS OF CONNECTIONS TO STRUCTURAL MEMBERS 9.1 INTRODUCTION
154	Table 9-1 Schedule for Typical Connections to Structural Supporting Members1
155	Table 9-1M Schedule for Typical Connections to Structural Supporting Members1
156	FIGURE 9-1 CONNECTIONS TO CONCRETE
157	FIGURE 9-1B CONNECTIONS TO CONCRETE
158	FIGURE 9-2 ADJUSTABLE CONNECTIONS TO CONCRETE
159	FIGURE 9-3 ALTERNATE HINGED CONNECTIONS TO CONCRETE
160	FIGURE 9-4 ALTERNATE CONNECTIONS TO CONCRETE
161	FIGURE 9-5 ALTERNATE CONNECTIONS TO CONCRETE
162	FIGURE 9-6 CONNECTIONS TO CONCRETE FILL ON STEEL DECK
163	FIGURE 9-7 CONNECTIONS TO CONCRETE
164	FIGURE 9-8 CONNECTIONS TO STEEL
165	FIGURE 9-9 CONNECTIONS TO OPEN WEB STEEL JOISTS
166	FIGURE 9-10 ALTERNATE CONNECTION TO OPEN WEB STEEL JOISTS
167	FIGURE 9-11 CONNECTIONS TO STEEL
168	FIGURE 9-12 CONNECTIONS TO STEEL
169	FIGURE 9-13 DUCTS HUNG BELOW STEEL BEAMS
170	FIGURE 9-14 ACCEPTABLE DETAILS-WIRE CONNECTIONS TO STRUCTURE
171	FIGURE 9-15 HANGER CONNECTION TO WOOD
172	FIGURE 9-16 CONNECTIONS TO WOOD I-JOIST
173	FIGURE 9-17 CONNECTIONS TO WOOD
177	CHAPTER 10 MISCELLANEOUS CONNECTIONS 10.1 INTRODUCTION
178	FIGURE 10-1 CABLE CONNECTION TO DUCT FRAME
179	FIGURE 10-2 ALTERNATE CABLE CONNECTION TO DUCT FRAME
180	FIGURE 10-3 LONGITUDINAL CABLE CONNECTION TO DUCT HANGER
181	FIGURE 10-4 ALTERNATE LONGITUDINAL CABLE BRACING CONNECTION TO DUCT HANGER
182	FIGURE 10-5 CABLE END CONNECTION
183	FIGURE 10-6 PIPE STRUT CONNECTIONS
184	FIGURE 10-7 CONNECTIONS FOR FRAMING CHANNEL
185	FIGURE 10-8 HANGER ROD CONNECTIONS
186	FIGURE 10-9 HUBLESS CAST IRON PIPE
187	FIGURE 10-10 RISER BRACING FOR HUBLESS PIPES
188	FIGURE 10-11 FRAMING CHANNEL
189	FIGURE 10-12 CONNECTIONS FOR PIPES ON TRAPEZE
190	FIGURE 10-13 ALTERNATE STIFFENER CONNECTION
191	FIGURE 10-14 SAFETY SUPPORTS FOR CEILIING-MOUNTED DISTRIBUTION DEVICE
192	FIGURE 10-15 SEISMIC JOINTS IN PIPES
193	FIGURE 10-16 TRANSVERSE BRACE AT STEAM PIPES
194	FIGURE 10-17 WELDED TABS
195	FIGURE 10-18 STIFFENERS AND SADDLES AT PIPE CLAMPS
196	FIGURE 10-19 SEISMIC BRACING OF PIPES ON ISOLATORS
199	APPENDIX A DETERMINING THE SEISMIC HAZARD LEVEL

Published By	Publication Date	Number of Pages
SMACNA	2008	202


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Standard Title	Seismic Restraint Manual: Guidelines for Mechanical Systems, 3rd Edition
Published Code	SMACNA
Publication Date	2008
Pages Count	202

SMACNA SeismicRestraintManualGuidelinesforMechanicalSystems 2008 03E

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