You can get a Plan Review by an architect at the Fire Marshalâs Office, and they have satellite offices all over the state.
Primary flow element. A primary flow element is the element of a flow meter that serves to indicate the quantity or velocity of flow. For example, in the case of an orifice flow meter, the differential pressure across the orifice plate is the primary flow element.
What is a Water Meter? A water meter is a device that measures the volume of water delivered to a property. Some water meters measure water in gallons while others measure in cubic feet. Most residential water meters are located near the curb or sidewalk at the front of the property in a concrete box..