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1b. Introduction – Materials. Chapter 1, 3; Appendix D (Wentz) and 7.4.1 - 7.4.3 (Tao). 4.39 Building Codes and Standards (2 hrs); 4.44 Notes and specifications, reference conventions (1 hrs). Piping Materials. Plumbing Systems CNST 305 Environmental Systems 1 Dr. Berryman.
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1b Introduction – Materials Chapter 1, 3; Appendix D (Wentz) and 7.4.1 - 7.4.3 (Tao) 4.39 Building Codes and Standards (2 hrs); 4.44 Notes and specifications, reference conventions (1 hrs) Piping Materials Plumbing Systems CNST 305 Environmental Systems 1 Dr. Berryman
Material Selection Criteria • Corrosiveness • Temperature • Pressure • Material allowed by code • Availability • Cost of material/installation • Miscellaneous • Noise • Combustion
Steel (carbon) Pipe *most commonly used
Copper (nonferrous) *most commonly used
Valves • Butterfly • Check • Gate • Globe • Ball
Terminology • Riser • Vertical water supply piping supplying more one floor or more • Stack • Vertical DWV piping (exceptions vertical fixtures and vented stacks…ie stack vents, vent stacks) • Branch • Horizontal piping (water and DWV) for plumbing other than a riser, main or stack • Main • Principal pipe supply for connecting branches
Terminology (cont.) • Vent Lines • Soil Lines • Traps • Air Gap/Break • Prevents back sophoning • Flush valves have air breaks • Flushometers (flush valves) • Sump • A tank or pit that receives liquid wastes • Grey water
Terminology (cont.) • Potable Water • Water Service • From water main • Water Distribution Service • Water piping within the building to point of usage • Water Supply System • All water pipes, fittings, control valves, etc. within and adjacent to building
Next Time • Waste Water Disposal and Storm Drainage • Chapter 4, 7; Appendix A (Wentz) and 8.6 -8.7 (Toa)