Stack size shall be in accordance with the manufacturer’s recommendations. Stacks shall be the forced-air type and
completely self-supporting and unattached to nearby structures. As a minimum, stack heights shall minimize
downwash of stack emissions due to aerodynamic influences from nearby structures and be calculated in accordance
with DoD 4715.05-G, Overseas Environmental Baseline Guidance Document. Stacks shall be provided with
corrosion-resistant steel weather caps.”
A control box ensuring the complete cycle of combustion.