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OC Sportsplex Pool HVAC Unit Replacement <br />PDC Project 23022 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 />2.03 REFRIGERANT PIPING <br />A.Copper Tube:ASTM B280,H58 hard drawn only.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 />2.04 CONDENSATE PIPING AND EQUIPMENT DRAINS <br />A.Copper Tube:ASTM B88 (ASTM B88M),Type L (B),drawn;using one of the following joint types: <br />1.Solder Joints:ASME B16.18 cast brass/bronze or ASME B16.22 solder wrought copper <br />fittings;ASTM B32 lead-free solder,HB alloy (95-5 tin-antimony)or tin and silver. <br />2.05 PIPE SUPPORTS AND ANCHORS: <br />A.Provide hangers and supports that comply with MSS SP-58. <br />B.Pipe Hangers for pipe 6"and smaller:Cooper B3100,Anvil Fig.260,or equivalent. <br />C.Riser Clamps:Cooper B3373,Anvil Fig.40,or equivalent. <br />D.Beam Clamps:Cooper B3050,Anvil Fig.134,or equivalent. <br />E.Offset Clamps:Cooper B3148,Anvil Fig.103,or equivalent <br />F.Ceiling Plate:Cooper B3199,Anvil Fig.610,or equivalent <br />G.Wall Brackets:Cooper B3067,Anvil Fig.199,or equivalent. <br />H.Rod Ceiling Plate:Cooper,Anvil Fig.610,or equivalent. <br />I.Concrete Inserts:Cooper B2500,Anvil Fig.95 or equivalent. <br />J.Copper Pipe Support: Carbon steel ring,adjustable,copper plated. <br />K.Hanger Rods: Mild steel threaded both ends,threaded one end,or continuous threaded. <br />L.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 />1.Bases: High density,UV tolerant,polypropylene or reinforced PVC. <br />2.Base Sizes: As required to distribute load sufficiently to prevent indentation of roofing <br />assembly. <br />3.Steel Components: Stainless steel,or carbon steel hot-dip galvanized after fabrication in <br />accordance with ASTM A123/A123M. <br />4.Attachment/Support Fixtures: As recommended by manufacturer,same type as indicated for <br />equivalent indoor hangers and supports;corrosion resistant material. <br />5.Height: Provide minimum clearance of 6 inches under pipe to top of roofing. <br />6.Manufacturers: <br />a.PHP Systems/Design​​​ <br />b.Miro <br />c.Caddy <br />d.Bigfoot Systems <br />2.06 MOISTURE AND LIQUID INDICATORS <br />A.Manufacturers: <br />1.Henry Technologies​​ <br />2.Parker Hannifin/Refrigeration and Air Conditioning​​ <br />3.Or Approved Equal <br />B.Indicators: Single port type,UL listed,with copper or brass body,flared or soldered 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 />Docusign Envelope ID: D4F3B98E-0756-4A0C-A3AD-05AA32D39F1C