A pressure zone is defined as the area bounded by both a lower and upper elevation, all of which receives water from a given hydraulic grade line (HGL) or pressure from a set water surface. The HGL is usually provided by one or more storage tanks located at the same elevations so they share high and low water surfaces. Ideally, pressure zones contain the same pressures and, therefore, the infrastructure within each pressure zone can be designed with a uniform set of design criteria which stresses efficiency, reliability and durability.
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Citation
APA Citation:
City of New Westminster, C., British Columbia. (2020). Water Pressure Zone [Data set]. New Westminster Open Data. https://opendata.newwestcity.ca/datasets/newwestcity::water-pressure-zone