MIL-HDBK-1133
Section 1:
INTRODUCTION
1.1
Scope. This handbook is intended as a tool for
appropriately estimating current and future energy and water
consumption attributable to buildings, ships, and other uses at
Navy installations. It presents a suggested allocation
methodology and provides calculation assistance in a
straightforward, easy-to-apply manner. The collection of
building or ship characteristics data required to use this
methodology is at a minimum to ensure easy, time-effective
application. The resulting energy and water estimates are
considered as applicable as other nonmetering estimating methods
requiring much more detailed data collection and calculation.
The best consumption value for use in current or future
energy and water tracking or assessment is one that is read from
an accurate, operating, correctly placed meter. In some cases,
these metered consumption values are available for a selected
subset of buildings, ships, or processes. In other cases,
consumption estimating methods vary from simple apportionment of
consumption by square footage to elaborate manipulation of
building construction, equipment, weather, and operations data.
The methodology and assistance presented in this handbook are
designed to provide estimated energy and water consumption values
that are as accurate as possible without computer modeling of
buildings or extensive building data collection. The methodology
is not intended to be used to second-guess expected consumption
when metered data exists. It is also not intended to replace an
existing methodology that is effective and reasonably accurate.
The methodology and assistance provided in this handbook are
intended to be available for use where other systems are
ineffective or outdated.
1.2
Methodologies. The calculation assistance is presented
as a simplified yet reasonably accurate manner of assigning a
first-level estimate of consumption values to various energy or
water-using components. The assistance is presented primarily
for energy and water use in buildings and ships. This involves
assigning an initial energy or water consumption value per square
foot for buildings and per ship class. This value is then further
converted or adjusted based on fuel type, weather, and other
characteristics, to arrive at a reasonable initial estimate that
is consistent with all
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