1. Water Systems Plumbing Systems CNST 305 Environmental Systems 1 Dr. Berryman 3aWater SystemChapter 8; Appendix B (Wentz) and 8.1- 8.3 (Toa) 4.11 Analysis and Design of Construction Systems - Mechanical (6 hrs)

2. Earth’s Water Supply 97% of the earth’s water is inaccessible. Mostly in the polar caps or ocean water That 3%…

3. Aquifers – Water Table Water Table Drilled Well

4. Cisterns

5. Solar Collection

6. Water Quality Based on

7. Water Analysis Sulfate Nitrate Fluoride

8. Water Analysis (cont.) pH Iron and Manganese Sodium Calcium Carbonate

9. Desirable <200 ppm 100 ppm: – soft water 100 – 200 ppm: reasonably soft 200 – 300 ppm: avg hardness 300 – 400 ppm: very hard Over 400 ppm: extremely hard Too hard

10. Water Quality Improvements

11. RO systems residential commercial

12. Water Softeners There are four components to a softener unit: a control valve (1), a saline tank (2), a resin bed (3), and a resin tank (4). The resin tank holds the resin bed, the brine tank holds water and dissolved salt solution (brine). The control valve sits on top of the tank.

13. Water Samples

14. Cross Connections FILM

15. Cross Connection Prevention

16. Next Time Hot Water Engineering Design 3bcWater SystemChapter 8; Appendix B (Wentz) and 8.1- 8.3 (Toa) 4.11 Analysis and Design of Construction Systems - Mechanical (6 hrs)