Conveyance Systems. The selection and sizing of elevator
and escalator systems must be performed as prescribed in
the preceding section Selecting Conveyance Systems in this
Chapter. No other life cycle cost analysis will be required
for conveyance systems.
Interior Wall Systems. The analysis must consider the
installation costs including any associated special ceiling,
floor, power or communication cabling systems, cost of
repairs or refinishing and the percent of the material that
can be reused during remodels. The churn factor, or
percent of the space disrupted by change within a given
year, for space renovation should be established by the
GSA region. Other factors that cannot be calculated but
should be considered in making the selection include
appearance, safety, disruption during moves, manufac-
turing availability for custom systems, acoustical sep-
aration, and security. Analysis should be performed on
very large buildings considering at least one alternative.
the installation costs, known cleaning and upkeep costs,
known replacement and refinishing costs, any increases in
illumination levels because of reflectivity characteristics
and remedial acoustical work. Other factors that cannot
be calculated but should be considered in making the
selection include appearance, safety, disruption during
remodeling, ability for the material to be patched, and the
release of vapors. The analysis should be performed on
finishes covering large areas or high traffic areas.
Vincent E. McKelvey Federal Building laboratory wing, Menlo Park, CA
106 F A C I L I T I E S S T A N D A R D S
FOR THE
PUBLIC
BUILDINGS
SERVICE
3.9 Life Cycle Cost Analysis
Revised March 2005 PBS-P100
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