UFC 3-300-10N
May 2005
Including Change 2, August 2006
CHAPTER 2 DESIGN REQUIREMENTS
2-1
GENERAL GUIDANCE.
2-1.1
Design Criteria.
All structural design must be in accordance with UFC 1-200-01 as modified below. The
design of piers and wharfs must be in accordance with UFC 4-150-01, Design: Piers
and Wharfs. Where newer versions of the codes or standards that are referenced in the
International Building Code are available, the newer versions may be used with the
approval of the Contracting Officer.
2-1.2
Frost Penetration.
Depths to the frost line are provided for specific locations in UFC 3-310-01, Design:
Structural Load Data. The minimum depth of footings when not governed by frost
penetration requirements must be 300 mm (12 inches).
2-1.3
Earthquake Design Guidance.
All earthquake design must be in accordance with UFC 1-200-01. (UFC 3-310-04 is
under development at the publication date of this UFC, and when complete will provide
additional earthquake design guidance.)
The minimum requirements for assessing and enhancing the seismic safety of existing
buildings within the United States, its territories and possessions is defined in ICSSSC
RP6 / NISTIR 6762. The minimum requirements for assessing and enhancing the
seismic safety of existing buildings at all other locations is defined by the "NAVFAC
Seismic Hazards Mitigation Program for Facilities Outside of the Continental United
States, its Territories and Possessions," dated March 2000; as modified below:
All "Standard Occupancy" buildings located in regions of Low Seismic Hazard
Potential shall be exempted from the Seismic Hazards Mitigation Program
For locations outside of the United States, its territories and possessions, UFC 3-
310-01 shall be used to determine the potential Seismic Loading. The Seismic
Hazard Potential shall be defined as High, Moderate, or Low based upon the
class effects, and utilizing the following relationships:
High Seismic Hazard Potential:
(10/50) SMS >= 0.50g and
(10/50) SM1 >= 0.20g
Moderate Seismic Hazard Potential:
0.167 <= (10/50) SMS < 0.50g or
0.067 <= (10/50) SM1 < 0.20g
Low Seismic Hazard Potential:
(10/50) SMS < 0.167g and
2
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