410
Introduction
Two major activities, cost estimating and construction scheduling, are
crucial to all three phases, and are discussed at greater length in Sections
450 and 460. For purposes of the outline guide, the design process is
assumed not to include accelerated scheduling or construction
management. (See Sections 761 and 762 for descriptions of these
special procedures.) The activities discussed are limited to those
considered essential to provide all necessary information and decisions for
each succeeding phase. No attempt is made to specifically define
sequence, simultaneity, cycling, or feedback of the activities since these
conditions will vary from project to project.
The Prototype Design provides the designer with strong basic concepts in
terms of the planning modules and the building subsystems which make
up these planning modules. The use of planning modules and integrated
subsystems imposes a discipline that must be learned and experimented
with. Their assembly is a design activity, dependent for its success on the
skill of architects and engineers. Thus, the rules for their assembly can
only be suggestive, not absolute.
There is nothing inherent in the Prototype Design that prevents or modifies
current VA procedures; that is, the design development of block layouts,
preliminary plans and working drawings in sequence. However, the
Prototype Design permits parallel development of architectural and
engineering design and thus an earlier start for the latter than in the
conventional VA project. Specifically, detailed structural, mechanical and
electrical design can proceed on the basis of the building schematic
design which indicates general departmental arrangements, but not room
layouts. The schematic design indicates the nature and disposition of the
various planning modules. Engineering considerations will simultaneously
influence, and the influenced by, the nature of the planning modules. The
Design Manual stresses early engineering involvement and makes
mandatory a thorough knowledge of the Design Manual on the part of all
engineering participants. This knowledge cannot be limited to the
particular discipline of the engineer concerned, for system integration
demands a much deeper interdisciplinary understanding than is usual in
conventional design.
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