Structural
3. Preservation solutions explored, how resolved and
why, including:
Calculations. For any computer generated results, submit
Location of new work: visual impact, protection of
a model of the input data and all pertinent program
ornamental finishes
material required to understand the output. A narrative
Design of new work/installation: visual and
of the input and results should be contained in the
physical compatibility with existing original
calculations as well.
materials and design; materials/finishes proposed
1.
Gravity load calculations.
(as specified)
Methods of supporting new work/installation
2.
Lateral load calculation.
Preservation and protection of historic materials
3.
Foundation calculations.
during construction through tenant move in
4.
Calculations showing that system is not vulnerable to
4. Effects, describing:
progressive collapse.
How project will affect the building's
5. Vibration calculations.
architecturally significant qualities
6. Results of any other studies necessary for the project
Measures proposed to mitigate any adverse effects
design.
on historic materials or design
Narrative.
Photographs.
General and detail views showing existing
1. Description of structural concept, including:
conditions at affected preservation zones, keyed
Choice of framing system, including lateral load
to plan showing location and orientation of each
resisting elements.
photo view
Proposed foundation design.
Captions identifying location, subject, condition
Verification of adequacy of all assumed dead and
shown
live loads.
2. Code analysis.
Drawings.
Building classification, required fire resistance of
Reduced to 8.5" x 11, 11" x 17" foldout or placed in cover
structural elements, identification of seismic zone,
pocket:
wind speed, etc.
Site and floor plans, as applicable
Identification of special requirements, such as
Elevations, plans, and section details showing
highrise.
preservation design solutions for each issue
Summary of special requirements resulting from
identified, as approved by Regional Preservation
applicable local codes.
Officer
3. Proposed methods of corrosion protection,
Cover.
if applicable.
Building name, Address, Project title, Project Control
4. Geotechnical Engineering Report, including boring
Number, Author (Preservation Architect), Preservation
logs (if part of scope of work).
Architect's Signature, Date of Submission.
See Appendix A.5 for specific requirements.
5. Geologic Hazard Report.
338 F A C I L I T I E S S T A N D A R D S
FOR THE
PUBLIC
BUILDINGS
SERVICE
A.4 Alteration Projects Design Development
Revised March 2005 PBS-P100
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