MIL-HDBK-1003/3
need early consideration by the design disciplines to achieve the
best overall design concept. Consider using ENVSTD 24, a
Department of Energy (DOE) envelope system performance compliance
calculation program to assist the architect and mechanical
engineer to evaluate the proposed facilities' compliance with
ASHRAE Standard 90.1, Energy Efficient Design of New Buildings
Except Low-Rise Residential Buildings, 10 CFR 435, and
MIL-HDBK-1190 design energy targets. ENVSTD 24 is available on
the Construction Criteria Base (CCB) CD-ROM, or from ASHRAE or
DOE.
2.1.2.3
Mechanical System Selection. Life cycle cost analysis
of candidate systems should be used to determine the best system
selection within the parameters cited in par. 1.4. Include
electrical demand charges as well as energy charges in the
analysis. Include rebates offered by the utility for use of
particular forms of energy or types of equipment, such as ice
storage or gas-fired adsorption chillers. Refer to MIL-HDBK-1190
for guidance on the application of this procedure.
2.1.2.4
Electrical Lighting System Selection (Daylighting).
The HVAC design engineer should assist in the evaluation of
daylighting to ensure that electrical energy savings are not
offset by increased energy required by the HVAC system due to
increased heating and cooling loads. Consider using LTGSTD 24, a
DOE lighting prescriptive and system performance compliance
calculation program to assist the architect and electrical and
mechanical engineer to evaluate the proposed facilities
compliance with ASHRAE Standard 90.1, 10 CFR Part 435, Energy
Conservation Voluntary Performance Standards for Commercial and
Multi-Family High Rise Residential Buildings, Mandatory for New
Federal Buildings and MIL-HDBK-1190 design energy targets.
LTGSTD 24 is available on the CCB CD-ROM or from ASHRAE or DOE.
2.1.2.5
Special Energy Conservation Features. There remains a
continuing need to achieve energy conservation on Navy buildings
by optimization of new building designs, accurate control
systems, retrofit of older buildings, and incorporation of
special energy conservation features wherever appropriate (as
justified by life cycle cost).
a) Solar. Include active and passive solar systems
for space heating, for heating pools, and for domestic hot water
only if economically feasible. A new economic analysis need not
be performed if a previous study on a similar facility with
similar weather conditions is available.
b) Heat Recovery Techniques. Refer to Appendix A for
an exposition of some of the various techniques of heat recovery.
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