Retrotec USACE - Manual (Page 452)

GL4 ENERGY & PROCESS ASSESSMENT PROTOCOL
holistic. Characterized by the view that a whole system must be analyzed
rather than simply its individual components.
industrial building. A building whose main function is to process or manu-
facture a product. Data centers, maintenance facilities, and laboratories
may also be considered industrial. This document refers to a building as
“industrial” when the building has high energy loads dominated by inter-
nal processes and high ventilation requirements per its fl oor space.
low-hanging fruit. See cream skimming.
micromanometer. A digital gauge capable of reading in tenths of a Pascal.
M&O. Maintenance and operations. Maintenance is the actions/work per-
formed to keep machines/system functioning or in service, or the care/
work performed on a building to keep it in operation. Operations are the
activities that are taken to keep the building or system operative.
MWh/a. Represents megawatt hours, annually. Measures the rate of energy
use or production. Mega is a unit of power equal to 1 million watts. A watt
is equal to 1 joule of energy per second.
nonindustrial building. A building with energy requirements dominated by
climate (e.g., heating, cooling, and humidity control) with a smaller effect
from plug-in loads. Examples of such buildings include, but are not lim-
ited to, buildings whose main function is an offi ce environment, dormi-
tories and barracks, churches, and libraries. This classifi cation does not
include residential single-family houses. A nonindustrial building’s energy
consumption is not typically high per its fl oor space.
outdoors. Outside the building in the area around the building.
readings. Discrete pressure or fl ow values read from the gauge or gauges.
Typically fi ve or six readings or samples are taken every second when
using a digital micromanometer, although this may not be apparent, be-
cause the display is only updated every second.
single zone. A space in which the pressure difference between any two places
differs by no more than 5% of the inside-to-outside pressure difference.
situation. A particular set or combination of circumstances existing at a given
place or at a given time
sq ft. Square feet. In this document, this measurement usually refers to the
surface area of the envelope, also called the “enclosure.”
state of the art. The most up-to-date level of knowledge and technology in a
fi eld at a given time
static pressure. See bias pressure.
tender. An exchange of money to execute work or supply goods. A formal
proposal that defi nes the content of work, which may include supply of a
product or a service, the cost, and the deliverable in response to the issue
of an invitation to tender.
test points. Consists of a group of readings taken over a 10–30-second time
period, typically averaged to produce one test point that can be used as
one of the multiple points in a curve fi t or overall average.