Disinfection of Pipelines - Disinfection of Pipelines and Storage Facilities Field Guide - page 25

Upstream

Antisiphon
Sill-cock

Flow

Downstream

Potable Poly-braid
Plastic Hose

Courtesy Nicole Peschel
Figure 3-10 Temporary hydrant connection

Hydrant

Fill Line

Fresh
Water
Source
Hydrant
Invasion Source

CL 2 Tank

Stem Valve

2-in. Valve

2-in. Hose Connection

¾-in.
Sample Tap

2-in.
“T”

Rubber Hose

¾-in.
House Tap

¾-in.
House Tap

Invasion Pipe By-pass

Closed
Isolation Branch Valve

2-in.
Isolation
Valve

¾-in. Hose
¾-in. Nozzle

Main Fresh Water Source

Gate Valve

Courtesy Nicole Peschel
Figure 3-11 Temporary service line chlorination example

nuisance that may impede vehicular traffic and cause hazards for
pedestrians.
Many other industrialized countries do not provide temporary
service lines. Instead they select alternatives such as supplying
bottled water or locating water trucks in the area. Some suppliers