Distance between breeching inlet and landing valve?

Landing Valve is present inside the building in every floor of a mid and high rise building. Usually it is found inside the fire hose cabinet with fire hose reel on top and landing valve in the bottom with its hose detached for civil defense experts to use in case of an emergency.

Breeching inlets are usually found in the ground floor for the civil defense vehicle to come and have direct access to pressurize the riser using external pump present in the vehicle. It can be both wet riser and dry riser. Wet riser will have water till the inlet.

The output of the breeching inlets are the landing valves.