flat roof vent

Does this plumbing vent need to be higher than what is there? It’s a flat roof that does not accomidate people. Thanks

Gas flex connector not allowed installation this way correct? I know there is no drip leg, but my understanding is that a flex connector can’t connect directly to the unit gas valve.

Vent termination should be at least 6" above the roof or 6" above the anticipated snow level, whichever is higher.

Appliance connectors should not pass through cabinets.


The red building next building you are inspecting,is that a window sill I see?