Design and Installation
06-236115-001 4-7 October 2014
4-2.2.3 Determine What Components are Required
• Cylinder size, quantity and fill requirements. Refer to Table 4-4 and Table 4-5.
• Cylinder framing, mounting brackets, etc.
• Detection and control equipment required.
• Other system requirements, such as reserve supply, pressure switches, etc.
4-2.2.4 Locate Nozzles
Locate nozzles based on the following:
• Ceiling height (16 ft [4.87 m] maximum, 1 ft [0.30 m] minimum).
• Nozzle area coverage.
• Special hazard area layout considerations.
4-2.2.5 Locate Cylinders
Locate cylinders based on the following:
• Number of cylinders required.
• Storage temperature/environmental considerations, such as weather, area classification
and corrosive environment.
• Accessibility.
• Floor loading.
4-2.2.6 Locate Piping
Locate piping based on the following:
• Nozzle location.
• Structural members for bracing the pipe.
4-2.2.7 Pipe Size and Layout
Determine pipe size and layout for the following factors:
• Draw piping isometric.
• Dimensions of all pipe sections.
• Locate all fittings.
• Note all elevation changes.
The preceding information will be entered into the computer program.
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