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Round 1 Bowling and Amusement 12/09/2024 Paradigm Design <br />Main Place Mall Expansion Grand Rapids, MI <br />Santa Ana, California <br />Project #2309147GR <br />B.Comply with MSS SP-69 for pipe hanger selections and applications that are not specified in <br />piping system Sections. <br />C.Use hangers and supports with galvanized, metallic coatings for piping and equipment that will <br />not have field-applied finish. <br />D.Use nonmetallic coatings on attachments for electrolytic protection where attachments are in <br />direct contact with copper tubing. <br />E.Use padded hangers for piping that is subject to scratching. <br />F.Horizontal-Piping Hangers and Supports: Unless otherwise indicated and except as specified in <br />piping system Sections, install the following types: <br />1.Adjustable, Steel Clevis Hangers (MSS Type 1): For suspension of noninsulated or <br />insulated stationary pipes, NPS 1/2 to NPS 30. <br />2.Carbon- or Alloy-Steel, Double-Bolt Pipe Clamps (MSS Type 3): For suspension of <br />pipes, NPS 3/4 to NPS 24, requiring clamp flexibility and up to 4 inches of insulation. <br />3.U-Bolts (MSS Type 24): For support of heavy pipes, NPS 1/2 to NPS 30. <br />4.Clips (MSS Type 26): For support of insulated pipes not subject to expansion or <br />contraction. <br />5.Adjustable, Pipe Saddle Supports (MSS Type 38): For stanchion-type support for pipes, <br />NPS 2-1/2 to NPS 36, if vertical adjustment is required, with steel pipe base stanchion <br />support and cast-iron floor flange. <br />6.Single Pipe Rolls (MSS Type 41): For suspension of pipes, NPS 1 to NPS 30, from 2 <br />rods if longitudinal movement caused by expansion and contraction might occur. <br />7.Adjustable Roller Hangers (MSS Type 43): For suspension of pipes, NPS 2-1/2 to <br />NPS 20, from single rod if horizontal movement caused by expansion and contraction <br />might occur. <br />8.Complete Pipe Rolls (MSS Type 44): For support of pipes, NPS 2 to NPS 42, if <br />longitudinal movement caused by expansion and contraction might occur but vertical <br />adjustment is not necessary. <br />G.Vertical-Piping Clamps: Unless otherwise indicated and except as specified in piping system <br />Sections, install the following types: <br />1.Carbon- or Alloy-Steel Riser Clamps (MSS Type 42): For support of pipe risers, <br />NPS 3/4 to NPS 20, if longer ends are required for riser clamps. <br />H.Hanger-Rod Attachments: Unless otherwise indicated and except as specified in piping system <br />Sections, install the following types: <br />1.Steel Turnbuckles (MSS Type 13): For adjustment up to 6 inches for heavy loads. <br />2.Steel Clevises (MSS Type 14): For 120 to 450 deg F piping installations. <br />3.Malleable-Iron Sockets (MSS Type 16): For attaching hanger rods to various types of <br />building attachments. <br />4.Steel Weldless Eye Nuts (MSS Type 17): For 120 to 450 deg F piping installations.