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

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

Aquifers – Water Table Water Table Drilled Well

Cisterns

Solar Collection

Water Quality Based on

Water Analysis Sulfate Nitrate Fluoride

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

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

Water Quality Improvements

RO systems residential commercial

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.

Water Samples

Cross Connections FILM

Cross Connection Prevention

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