Life Cycle Cost Analysis. As specified herein and within
During preliminary concepts, three concepts must be
programming requirements, life cycle cost assessments
presented; these preliminary concepts are intended to be
shall be made, leading to system/feature selections.
working level and not presentation documents. They
should be developed only to the level that allows selection
Production Stage. Development of the most favored of
of a concept that will still be within program operation
each system with supporting calculations and narrative.
and budget goals. This selected concept will be further
Plans, sections, elevations and details showing systems
refined and presented as the final concept.
should be included.
For major projects, presentation is made to the
Value Engineering (Analysis Stage). VE is a process that
Commissioner of the Public Buildings Service for final
is somewhat continuous throughout the project but its
approval.
greatest emphasis should be in the early stages of the
project (concepts and design development). Initially it
Design Development
should focus on building systems and materials in a
A set of submissions and meetings that will finalize the
general sense during concepts. As the project is developed
selection of all systems with respect to type, size and other
the focus will shift to detailed aspects of the earlier
material characteristics. Systems are not only structural,
decisions during design development.
mechanical, fire protection and electrical, but include all
Diagrams, narratives, and sketches with calculations to
other building components such as the building envelope
demonstrate the life-cycle cost effectiveness of the
(wall, window and roof), interior construction (flooring,
system should be prepared and received during this
ceiling and partitions), service spaces, elevators, etc.
phase.
The design submission will consist of a combination of
This approach requires a diligent effort and
drawings, narrative and calculations. Although final
commitment by all project team members early in the
design development plans, sections and elevations must
project to systems and materials that make sense
be to scale, drawings made in the analysis stage to
economically and allow quality and durability.
illustrate various options may be freehand.
Project Directive. The report summarizes analysis and
This submission is not a preliminary construction
design to date at completion of the design development
document stage. The approval at the project directive
phase. A meeting among GSA and A/E staff, particularly
meeting may require that building layout or size changes
those who will be working on the construction
be incorporated into the construction documents. No
documents, is held to review the project directive for
design discipline should start work on construction
concurrence.
documents until the project directive has been approved.
306 F A C I L I T I E S S T A N D A R D S
FOR THE
PUBLIC
BUILDINGS
SERVICE
Revised March 2005 PBS-P100