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.