loops. In low-pressure systems, various types of corrugated pack-less type
expansion joints or slip-packed joints can be used.
7 REFERENCE DESIGN SPECIFICATIONS. Consult NAVFAC DM-3.5, Design Manual,
Compressed Air and Vacuum Systems; and NAVFAC DM-3.8, Design Manual, Exterior
Distribution of Utility Steam, High Temperature Water (HTW), Chilled Water
(CHW), Fuel Gas, and Compressed Air, for design standards of compressed air
d i s t r i b u t i o n systems. NAVFAC Guide Specification-15411 contains detailed
guidance on construction and components of these systems.
5-9