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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 />R.Fire-Barrier Penetrations: Maintain indicated fire rating of walls, partitions, ceilings, and floors <br />at pipe penetrations. Seal pipe penetrations with firestop materials. Refer to Division 07 <br />Section "Penetration Firestopping" for materials. <br />S.Verify final equipment locations for roughing-in. <br />T.Refer to equipment specifications in other Sections of these Specifications for roughing-in <br />requirements. <br />3.3 PIPING JOINT CONSTRUCTION <br />A.Join pipe and fittings according to the following requirements and Division 23 Sections <br />specifying piping systems. <br />B.Ream ends of pipes and tubes and remove burrs. Bevel plain ends of steel pipe. <br />C.Remove scale, slag, dirt, and debris from inside and outside of pipe and fittings before <br />assembly. <br />D.Soldered Joints: Apply ASTM B 813, water-flushable flux, unless otherwise indicated, to tube <br />end. Construct joints according to ASTM B 828 or CDA's "Copper Tube Handbook," using <br />lead-free solder alloy complying with ASTM B 32. <br />E.Brazed Joints: Construct joints according to AWS's "Brazing Handbook," "Pipe and Tube" <br />Chapter, using copper-phosphorus brazing filler metal complying with AWS A5.8. <br />F.Threaded Joints: Thread pipe with tapered pipe threads according to ASME B1.20.1. Cut <br />threads full and clean using sharp dies. Ream threaded pipe ends to remove burrs and restore <br />full ID. Join pipe fittings and valves as follows: <br />1.Apply appropriate tape or thread compound to external pipe threads unless dry seal <br />threading is specified. <br />2.Damaged Threads: Do not use pipe or pipe fittings with threads that are corroded or <br />damaged. Do not use pipe sections that have cracked or open welds. <br />G.Welded Joints: Construct joints according to AWS D10.12, using qualified processes and <br />welding operators according to Part 1 "Quality Assurance" Article. <br />H.Flanged Joints: Select appropriate gasket material, size, type, and thickness for service <br />application. Install gasket concentrically positioned. Use suitable lubricants on bolt threads. <br />I.Plastic Piping Solvent-Cement Joints: Clean and dry joining surfaces. Join pipe and fittings <br />according to the following: <br />1.Comply with ASTM F 402 for safe-handling practice of cleaners, primers, and solvent <br />cements. <br />2.CPVC Piping: Join according to ASTM D 2846/D 2846M Appendix.