12.4.2 Anchor and Support Types.
The following describes anchor and
a) For moderate vertical movements, use spring hangers with
provisions for adjustment.
b) For large vertical movements, use compensating spring or
c) For resilient or vibrating conditions, use nonresonant,
constant-support, sway hangers.
Anchor reactions are obtained from flexibility calculations.
12.5 Welding. For welding of pipe joints, refer to ANSI B31, the American
Society of Mechanical Engineers (ASME), Boiler and Pressure Vessel Code SEC
9, Qualification Standards for Welding and Brazing Procedures and
12.6 Flows and Recommended Velocities.
Refer to NAVFAC DM-3.08 for flows
and recommended velocities.
12.7 Valves and Specialties. Refer to NAVFAC DM-3.06, Central Heating
Plant, for valves and specialties.