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20 Chapter 1 Introduction to Water Systems
Figure 1.8 A Pipeline in the
Goldfields Water Supply Scheme,
Perth, Australia
Source: http://en.wikipedia.org/
wiki/Image:Goldfields_Pipeline_
SMC.JPG
service storage establish the type of distribution system and its character of flow. In
accord with the street plan, two distribution patterns emerge: (a) a branching pattern
on the outskirts of the community, in which ribbon development follows the primary
arteries of roads and streets (Fig. 1.9a), and (b) a gridiron pattern within the built-up
portions of the community where streets crisscross and water mains are interconnected
(Fig. 1.9b).
Feeder
Branch
Gridiron
Feeder
(a) Branching pattern (b) Gridiron pattern with
with dead ends looped feeder
High value district is crosshatched
Figure 1.9 Patterns of Water-Distribution Systems