Continued ) – Retrotec USACE User Manual
Page 126
B2 ENERGY PROCESS ASESSMENT PROTOCOL
ECM
Description
Investment
(K$)
Savings
(K$/yr)
Payback
(yr)
Savings
Category
Recommended
Funding
Sources
15 ECIP ECM
with PL#1 Ph1
and Ph 2
Total of the economically quantifi ed ECIP
ECMs
2342.4
788.1
2.97
ECIP
15 ECIP ECM,
but No PL#1
Phase 2
Total of the economically quantifi ed ECIP
ECMs, but no PL#1 Phase 2 work
1511.1
570
2.65
ECIP
Note: TBD = To be determined; E = Energy; M = Maintenance; S&H = Safety & Health; IAQ = Indoor Air Quality; TC = Thermal Comfort; P = Productivity;
ECIP = Energy Conservation Investment Program; ESPC = Energy Savings Performance Contract; O&M = Operation & Maintenance; WC = Army Working
Capital Fund.
ECM #
1
ECM
Description
Electricity Savings
Thermal
Savings
3
Mainte-
nance
Savings
$/yr
2
Total
Cost
Savings
$/yr
Invest-
ment
$
Simple
Payback
Years
MM
Btu/
Yr
KWh/
yr
$/Yr
MM
Btu/
Yr
$/Yr
BE #1
Establish a cool
roofs strategy (for
all reroofi ng projects
as well as for new
constructions)
28
8,318
$1,251
11
$157
$1,408
0.0
CEP #1
Thermal storage
system
0
$51,000
$0
$51,000
$120,000
2.4
CON #1
Fix/replace HVAC
controls
0
$0
1,247
$19,089
$19,089
$12,108
0.6
DIN #1
Modify kitchen
hoods with end
skirts, Bldg 745
140
41,000
$6,168
235
$5,266
$11,434
$6,000
0.5
HVAC #1
Shower gray water
heat recovery
0
$0
214
$3,172
$3,172
$15,000
4.7
LI #1
Provide light sen-
sors for spaces with
natural light
67
19,768
$3,878
$0
$3,878
$1,000
0.3
MISC #1
Miscellaneous low/
no cost
$6,054
$6,054
1.0
REN #1
Solar wall
0
$0
337
$7,552
$7,552
$41,000
5.4
Totals
4
236
69,086
62,298
2,044
35,237
0
103,589
201,162
1.9
1. ECM number may refl ect the appendix reference.
2. Operations & Maintenance savings (includes labor and material savings).
3. Energy savings includes all fuel savings.
4. Total savings of all ECMs do not include synergy effect of multiple ECMs. Some ECMs may affect the estimated savings of others.
(Continued)
TABLE B2.