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.
1 A typical BEMS application is the optimum start/stop routine for space heating. 2  In this, the system can automatically adjust the start and stop times to compensate for external temperature changes and the thermal inertia of the building.nergy meters are usually categorised as follows: 1  Main meter: A main meter is a supply meter for fuel supply (including electricity) to site. 2  Sub-meter: A sub-meter is a meter installed after or downline from the main meter. 3  Virtual meter: A virtual meter is a function of the measured energy from a number of other meters.