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Orange County West Campus Office Building -HVAC <br />PDC Project 23020 Refrigerant Piping 23 23 00 - 2 <br />B.Welding Materials and Procedures: Comply with ASME BPVC-IX and applicable state labor <br />regulations. <br />C.Products Requiring Electrical Connection: Listed and classified by UL,as suitable for the purpose <br />indicated. <br />2.02 PIPING <br />A.Copper Tube:ASTM B280,H58 hard drawn.Soft annealed copper tube will not be accepted. <br />1.Fittings: ASME B16.22 wrought copper. <br />2.Joints: Braze,AWS A5.8M/A5.8 BCuP silver/phosphorus/copper alloy. <br />B.Pipe Supports and Anchors: <br />1.Provide hangers and supports that comply with MSS SP-58. <br />2.Pipe Hangers for pipe 6"and smaller:Cooper B3100,Anvil Fig.260,or equivalent. <br />3.Riser Clamps:Cooper B3373,Anvil Fig.40,or equivalent. <br />4.Beam Clamps:Cooper B3050,Anvil Fig.134,or equivalent. <br />5.Offset Clamps:Cooper B3148,Anvil Fig.103,or equivalent <br />6.Ceiling Plate:Cooper B3199,Anvil Fig.610,or equivalent <br />7.Wall Brackets:Cooper B3067,Anvil Fig.199,or equivalent. <br />8.Rod Ceiling Plate:Cooper,Anvil Fig.610,or equivalent. <br />9.Concrete Inserts:Cooper B2500,Anvil Fig.95 or equivalent. <br />10.Copper Pipe Support: Carbon steel ring,adjustable,copper plated. <br />11.Hanger Rods: Mild steel threaded both ends,threaded one end,or continuous threaded. <br />12.Rooftop Supports for Low-Slope Roofs: Steel pedestals with bases that rest on top of roofing <br />membrane,not requiring any attachment to the roof structure and not penetrating the roofing <br />assembly,with support fixtures as specified;and as follows: <br />a.Bases: High density,UV tolerant,polypropylene or reinforced PVC. <br />b.Base Sizes: As required to distribute load sufficiently to prevent indentation of roofing <br />assembly. <br />c.Steel Components: Stainless steel,or carbon steel hot-dip galvanized after fabrication in <br />accordance with ASTM A123/A123M. <br />d.Attachment/Support Fixtures: As recommended by manufacturer,same type as <br />indicated for equivalent indoor hangers and supports;corrosion resistant material. <br />e.Height: Provide minimum clearance of 6 inches under pipe to top of roofing. <br />f.Manufacturers: <br />1)PHP Systems/Design​ <br />2)Portals Plus​​ <br />3)Miro <br />4)Caddy <br />5)Bigfoot Systems <br />2.03 MOISTURE AND LIQUID INDICATORS <br />A.Manufacturers: <br />1.Henry Technologies​​ <br />2.Parker Hannifin/Refrigeration and Air Conditioning​​ <br />3.Sporlan,a Division of Parker Hannifin​​ <br />4.Or Approved Equal <br />B.Indicators: Single port type,UL listed,with copper or brass body,flared or solder ends,sight <br />glass,color coded paper moisture indicator with removable element cartridge and plastic cap;for <br />maximum temperature of 200 degrees F and maximum working pressure of 500 psi. <br />2.04 VALVES <br />A.Manufacturers: <br />1.Hansen Technologies Corporation​​ <br />2.Henry Technologies​​ <br />3.Flomatic Valves​​ <br />Docusign Envelope ID: 8DED1454-68D2-4E36-9FC6-E56FF2124E5D