Retrotec USACE - Manual (Page 463)

Energy Assessment Procedure IND3
Doors
lacking seals, D15
large without vestibules, industrial and administrative
buildings, D16–D17
opening to outside, in cold climates, D16
Electrical systems
metering
duplication or excessive metering of use, D106
electrical load phase imbalance, D106
motors
idling
equipment, D104
load variations serviced by constant-speed, D103–
D104
over 3 hp and less than 85% effi cient, D101–D102
rewinding more than twice, D102
running when not required, D101
standard
effi ciency, D103
two sizes greater than required, D102
pumps
condensate receiver, needing repair, D105
constant-seed primary chilled water (above 5hp),
D105
Energy and process report structure, recommended, C1–C4
Energy assessment
analysis of energy saving measures, 45–47
brainstorming energy saving measures, 45
continuous improvement and, 17
data collection, on-site, 43
defi ned, xxi, 1
evaluation of, 53–54
exit
briefi ng and team closing meeting, 47–48
goals and guidelines, 23
goals of, 17
interviews, on-site, 43
key players in, 27
level 0, 1
level I, 1, 24–25, 40–41
assessment summary table, example, B1–B2
level II, 2, 25, 41
level III, 2, 25, 42, 53
levels of, 24, 26t
measurements, on-site, 42–43
monitoring an energy assessment scheme, 21–22
old buildings and, K1–K12
operating an energy assessment scheme, 19–21
photographs, site, 44
procedure.
See Energy assessment procedure
project management, 28
protocols
for. See Protocols, energy assessment
quality control, 23
reasons for, 18–19
reporting results, 48–52. See also Energy assessment
reports
site staff and, 28–29
team for, 29
Compressed air systems
air bleeds, continuous, D83–D84
air
fi lters, dirty, D80
controls, inoperable, uncalibrated, or poorly
adjusted, D82–D83
fouled air/oil separators, D81–D82
heated air exhausted, D81
heat exchangers, dirty, D79–D80
ineffi cient uses, D84
intake air, using warm building air for, D85
lack of compressor system control system, D87
leaks at gaskets, fi ttings, and valves, D78–D79
modulation-controlled air compressors, use at part
load, D86–D87
oversized equipment, D85
provided to unused areas, D84–D85
refrigerated air dryers, D86
running standby dryer, D76–D77
Conservation measures
areas in which to look for improvement, 70–72
building automation systems, 88–89
building considerations, 72–73
causes of energy waste and ineffi ciency
in central energy plant and distribution systems,
78t–80t
in compressed air systems, 81t
in controls strategies, 88t–89t
in electrical systems, 83t
in HVAC systems, 75t–77t
in
processes, 85t–87t
in water systems, 78t
central energy plant and distribution systems,
77–81
electrical systems, 83
energy waste in building envelopes, 73t
HVAC systems and, 74–77
implementation of, 53
industrial processes, 84–87
industrial sites and, 69–70
lighting systems, 81–83
nonindustrial sites and, 70
water waste causes, 78t
Continuous/ongoing commissioning
building data and outdoor temperatures, N7–N8
carpet plots, N13–N14
comparison of data from different units of one
building, N8–N10
comparison of temperature corrected data,
N6–N7
data interpretation, N4–N5
data to be measured for, N2–N3
energy signatures, N10–N12
energy stoplights, N8
monitoring, sample of rule- and model-based,
N14–N16
using, N1–N2