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Pipe 1-1/2" and 2": 9 feet Pipe 2-1/2"and 3": 11 feet Pipe 3-1/2"and 4": 12 feet Pipe 6": 12 feet Pipe 8"and larger: 12 feet D. Unless shown otherwise, all horizontal runs of copper tubing shall be suspended from the floor or roof construction as the case may be, by means of hangers with the following maximum spacing: Pipe up to 3/4" in size: 5 feet Pipe 1"and 1-1/4": 8 feet Pipe 1-1/2"and larger: 10 feet E. There shall be a hanger within two feet (2') of each elbow or tee. Additional supports shall be provided for valves, strainers, etc. Vertical risers shall be supported by approved riser clamps at each floor. Vertical pipes within a space shall not have less than two(2) supports. F. Supports and hangers shall be installed to permit free expansion and contraction in the piping systems. Hangers shall permit vertical adjustment to maintain proper pitch. Where necessary to control expansion and contraction, the piping shall be guided and firmly anchored. No piping shall be self-supporting; nor shall it be supported from equipment connections. G. Inserts shall be used where piping or equipment is to be hung from concrete construction. Inserts shall be Grinnell Fig. 281, wedge type, concrete inserts. All inserts shall be galvanized to prevent rusting. After the forms are removed, clip off all nails flush with the exposed surface of the inserts. H. Expansion bolts shall be Ackerman-Johnson. I. Beam clamps suitable for use with the type of steel construction involved shall be Grinnell. 2.3 HANGER ROD ATTACHMENTS A. Except as otherwise indicated, provide factory-fabricated hanger-rod attachments complying with ANSI/MSS SP-58, of one of the following MSS types listed, selected by installer to suit horizontal piping hangers and building attachments, in accordance with MSS SP-69 and manufacturer's published product information. Use only one type by one manufacturer for each piping service. Select size of hanger rod attachments to suit hanger rods. Provide copper-plated hanger rod attachments for copper piping systems. Steel Clevises: MSS Type 14. Swivel Turnbuckles: MSS Type 15. Malleable Iron Sockets: MSS Type 16. Steel Weldless Eye Nuts: MSS Type 17. 2.4 BUILDING ATTACHMENTS A. Except as otherwise indicated, provide factory-fabricated building attachments complying with ANSI/MSS SP-58, of one of the following MSS types listed, selected by Installer to suit building substrate conditions, in accordance with MSS SP-69 and manufacturer's published product information. Select size of building attachments to suit hanger rods. Concrete Inserts: MSS Type 18 Top Beam C-Clamps: MSS Type 19 Side Beam or Channel Clamps: MSS Type 20. CEA#18010 SUPPORTS,ANCHORS AND SEALS 23 05 30-3 COPYRIGHT©2018 CONSULTING ENGINEERING ASSOCIATES, INC.