beautypg.com

Retrotec USACE User Manual

Page 462

background image

Building envelope
air barrier continuity. See Air barrier continuity
air leakage, measuring in large buildings. See Air

leakage, measuring in large buildings

balancing energy uses. See Balancing building energy

uses

doors,

D15–D17

exterior walls, D1–D5
fl oors, D9–D10
HVAC systems, D18–D37
interior walls, D8
roofs,

D6–D7

windows,

D11–D14

Building Life Cycle Cost Program (BLCC), M1–M8
Building Management System (BMS), 44–45
Building Portfolio Energy Analysis
conservation measures for different building

archetypes, A4

cost-effectiveness screening, A4
defi ned, A1
determining energy consumption, A3
differentiating or grouping building types

(archetypes), A2–A3

large building portfolio example, A8–A12
level 1 assessment summary table, example, B1–B2
management,

A6f

methodology,

A1–A2

portfolio management examples, A6–A10
recapitalization and incremental costs, A4–A5
report structure, recommended, C1–C4
small building portfolio example, A7–A8
and standard portfolio management practices, A5
Buildings, old
envelope,

K6–K8

environment and site, K3–K4
equipment and occupants, K11–K12
indoor distribution, K10–K11
interactive energy subsystems of, K1–K3
traditional building techniques, K4–K5
windows,

K8–K10

Catering
anti-sweat door heater, unnecessary use of, D134
appliance positioning, ineffi cient, D140
deep fat fryer, ineffi cient, D135
exhaust hood design, poor, D137
freezer doors, open and unprotected, D133–D134
high-fl ow prerinse spray nozzles, D132
hoods, air disturbance near, D139
hot water temperature unnecessarily high, D141
incandescent lighting usage, D133
ineffi cient walk-in cooler and freezer evaporator fans

motors, D134

ovens,

ineffi cient, D136

single-island canopy hood over kitchen equipment,

D137–D138

steamer,

ineffi cient, D135–D136

ventilation systems, separate for kitchen and dining

room, D142–D143

water heater, introduction of cold water when facility

not operating, D142

water storage tank fl ue, heat escaping through, D141
Ceilings
painted in dark colors, D8
poor attic fl oor insulation, D8
Chilled water systems retrofi t design guidance
AHU and their cooling coils retrofi t strategies,

J11–J12

continuous commissioning, monitoring, and

verifi cation system, J9

cooling load-based optimization, J2–J5
design criteria development, J10
high-effi ciency dehumidifi cation strategy, J6–J9
LOBOS control screens, J5–J6
variable frequency drive (VFD) use, J1–J2
water source heat pumps (WSHPs), J10
Chiller system
air cooled equipment, D67
blowdown from supply header or cooling tower basin,

D74

constant chilled water temperature, D66
constant cooling tower water temperature, D66–D67
constant-speed condenser water pumps, D70–D71
controls, inoperable, uncalibrated, or poorly adjusted,

D65

cooling tower fan blades not properly adjusted,

D75–D76

dehumidifi cation/reheat equipment, ineffi cient,

D71–D72

dirty distribution nozzles in cooling tower, D72–D73
fans and pumps not based on cooling toward water

temperature, D75

heat exchangers, dirty, D64
imbalanced water fl ow, D65–D66
imbalance of fl ow over cooling towers, D73–D74
insuffi cient cooling load, D72
no duct at fan discharge for velocity recovery, D76
oversized equipment, D67–D68
part load conditions, excessive energy use during, D68
primary/secondary systems with constant-speed

chilled water pumps, D69–D70

splash bars and drift eliminators in poor condition, D74
tower leaks and excessive blowdown, D73
waste heat reclamation, lack of, D72
water-cooled chillers, ineffi cient, D68–D69
water

fl ow through shut down, D63–D64

Commissioning, continuous/ongoing. See Continuous/

ongoing commissioning

Communication
methods,

15–16

need for, 15
updates,

16

IND2 ENERGY & PROCESS ASSESSMENT PROTOCOL