bimr - its a main trunk line, 42" RCP. The security part is more of a concern for the Port. Just a point of clarification, the building will be constructed above grade on columns such that there is a 9ft clearance for small vehicles to pass under, i.e. moving luggage.
Stevewag - I will look...
There is an existing inlet on an aircraft fueling ramp that is in question. The proposed project calls for extending the building to provide additional gates. The inlet happens to be in the main stormwater trunk line and it will now be underneath the proposed building extension.
NFPA 415...