1 February 1999
1-6. REDUNDANT SYSTEMS. Generally, redundant HVAC systems are not required.
However, when a system failure would result in unusually high repair costs or replacement of
process equipment, or when activities are disrupted that are vital to national security, the
designer may submit a request for approval to HQUSACE in accordance with paragraph 1-5 to
provide redundant HVAC systems. No waiver is required where redundant HVAC systems are
specified by other applicable criteria.