MIL-HDBK-1133
being considered. This data should be available in NAVFAC P-89,
Engineering Weather Data for Design and Construction, or from the
installation weather office or local airport.
b) Collect appropriate information from Naval
Facilities Assets Data Base (NFADB), NAVFAC P-78, Navy Facilities
Assets Data Base Management System Procedures Manual, or similar
Real Property database sources, FACSO RPT 11016/R4640R01, Navy
Real Property - Class 1 and 2: Detail, for all buildings to be
included in the estimation. The information to be collected and
a suggested format in which to record it are exemplified in Table
1. Each building or group of similar buildings must be assigned
a building type to determine the appropriate building EUI values
to be used. Building type can be based on knowledge of the
building function. It can also be determined using the five-
digit Navy real property category code. Table A-1 in Appendix A
includes descriptions of the buildings represented by each
building type. Table A-2 lists the Navy category codes
considered to be applicable to each building type. If the
information in these tables is used, the category code currently
assigned to each building must accurately identify the true
current use of the building. If it does not, another code should
be assigned. For buildings or category codes (includes building
types in Table A-3) that do not match one of the building types
listed in Tables A-2 and A-3, a set of energy use values will
need to be developed manually by the user based on other
historical or engineering information for use in later
calculations. Buildings with more than one significant use area
can be subdivided and categorized separately by assigning the
appropriate square footage to applicable building types. Spaces
normally associated with a building type (for example, conference
rooms and breakrooms in administration buildings) need not be
accounted for separately.
c) For each building or group of similar buildings
detailed in Table 1, a group code is created by combining the
codes in the domestic hot water (DHW), cooled, and heat fuel
columns. These group codes are used later to combine buildings
with similar energy use. Other reasons, if any, for grouping
buildings can be added to the group code. Possible additional
items may include activity, reimbursable status, or utility
billing meter.
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