UFC 3-301-02 Design Of Risk Category V Structures .
UFC 3-301-023 March 2020UNIFIED FACILITIES CRITERIA (UFC)DESIGN OF RISK CATEGORY VSTRUCTURES, NATIONALSTRATEGIC MILITARY ASSETSAPPROVED FOR PUBLIC RELEASE; DISTRIBUTION UNLIMITED
UFC 3-301-023 March 2020UNIFIED FACILITIES CRITERIA (UFC)STRUCTURAL ENGINEERINGAny copyrighted material included in this UFC is identified at its point of use.Use of the copyrighted material apart from this UFC must have the permission of thecopyright holder.U.S. ARMY CORPS OF ENGINEERSNAVAL FACILITIES ENGINEERING COMMAND (Preparing Activity)AIR FORCE CIVIL ENGINEER CENTERRecord of Changes (changes are indicated by \1\ . /1/)Change No.DateLocationThis new UFC supersedes Chapter 4 of UFC 3-310-04, dated 1 June 2013 withchange 1 of 20 June 2016.
UFC 3-301-023 March 2020FOREWORDThe Unified Facilities Criteria (UFC) system is prescribed by MIL-STD 3007 including theexemption process and provides planning, design, construction, sustainment, restoration, andmodernization criteria, and applies to the Military Departments, the Defense Agencies, and theDoD Field Activities in accordance with USD (AT&L) Memorandum dated 29 May 2002. UFCwill be used for all DoD projects and work for other customers where appropriate. Allconstruction outside of the United States is also governed by Status of Forces Agreements(SOFA), Host Nation Funded Construction Agreements (HNFA), and in some instances,Bilateral Infrastructure Agreements (BIA.) Therefore, the acquisition team must ensurecompliance with the most stringent of the UFC, the SOFA, the HNFA, and the BIA, asapplicable.UFC are living documents and will be periodically reviewed, updated, and made available tousers as part of the Services’ responsibility for providing technical criteria for militaryconstruction. Headquarters, U.S. Army Corps of Engineers (HQUSACE), Naval FacilitiesEngineering Command (NAVFAC), and Air Force Civil Engineer Center (AFCEC) areresponsible for administration of the UFC system. Military Departments, the Defense Agencies,and the DoD Field Activities should contact the preparing service for document interpretationand improvements. Technical content of UFC is the responsibility of the cognizant DoD workinggroup. Recommended changes with supporting rationale should be sent to the respectiveservice proponent office by the following electronic form: Criteria Change Request. The form isalso accessible from the Internet sites listed below.UFC are effective upon issuance and are distributed only in electronic media from the followingsource: Whole Building Design Guide web site http://dod.wbdg.org/.Refer to UFC 1-200-01, DoD Building Code (General Building Requirements), forimplementation of new issuances on projects.AUTHORIZED BY:George O. Lea Jr., PE, CCM,FCMAAChief Military Engineering BranchEngineering and ConstructionDivisionUS Army Corps of EngineersROBERT D. CURFMAN, PEChief EngineerNaval Facilities Engineering CommandNANCY J. BALKUS, PE, SESDeputy Director of Civil EngineersDCS Logistics, Engineering &Force Protection (HAF/A4C)HQ, United States Air ForceMICHAEL McANDREWDeputy Assistant Secretary of Defense(Facilities Management)Office of the Assistant Secretary of Defense(Sustainment)
UFC 3-301-023 March 2020UNIFIED FACILITIES CRITERIA (UFC)REVISION SUMMARY SHEETSubject: UFC 3-301-02, Design of Risk Category V Structures, National StrategicMilitary AssetsCancels: UFC 3-310-04, Seismic Design, Change 1, 20 June 2016Description of Changes: This new UFC contains the seismic design provisions for DoD Risk Category Vstructures previously contained in retired UFC 3-310-04 (seismic design) Change 1,20 June 2016. It also contains all other environmental loading critiera for DoD RiskCategory V structures.This UFC adopts the structural design provisions of the 2018 International BuildingCode (2018 IBC) and the 2016 American Society of Civil Engineers Minimum DesignLoads and Associated Criteria for Buildings and Other Structures (ASCE 7-16) forthe design and renovation of DoD specific Risk Category V structures.Reasons for Changes: UFC 3-310-04, Seismic Engineering and UFC 3-301-01, Structural Engineering,have been merged into a single document – UFC 3-301-01, Structural Engineering,which contains seismic and nonseismic structural provisions for structuresdesignated as Risk Category I through IV.Enhanced DoD Risk Category V provisions are now to be found solely in this UFC,which is purposed specifcally for Risk Category V structures and includes allassociated environmental loading in additon to seismicity (e.g. wind or flood).The updated UFC is designed to be consistent with and to supplement the guidancecontained in 2018 IBC as modified by UFC 1-200-01.Impact: There are negligible cost impacts.Non-Unified Items: This document contains no non-unified items
UFC 3-301-023 March 2019TABLE OF CONTENTSCHAPTER 1 INTRODUCTION . 1PURPOSE AND SCOPE. . 1BACKGROUND. . 1APPLICABILITY. . 1CONFLICTS AND MODIFICATIONS. . 1COMMENTARY. . 2OTHER CRITERIA. . 2General Building Requirements. . 2Structural Requirements. . 2Progressive Collapse Analysis and Design. 2CHAPTER 2 DESIGN FOR ENHANCED RC V PERFORMANCE OBJECTIVES . 5DESIGN REVIEW. . 5Structural Design Review. 5Nonstructural Component Design Review. . 6DEFINITIONS AND NOTATIONS. . 8General. . 8CONSTRUCTION DOCUMENTS. . 8General. . 9GENERAL DESIGN REQUIREMENTS. . 9General. . 9Wind and Seismic Detailing. . 9LOAD COMBINATIONS. 9General. . 9DEAD LOADS. . 9General. . 9LIVE LOADS. . 10General. . 10SNOW AND ICE LOADS. . 10General. . 10Snow Load Case Studies. 10WIND LOADS. . 10Design Wind Speeds Inside and Outside of the United States. . 10i
UFC 3-301-023 March 2019SOIL LATERAL LOADS. . 112-10.1General. . 11RAIN LOADS. . 11General. . 11FLOOD LOADS. . 11General. . 11TSUNAMI LOADS. . 11General. . 11EXISTING BUILDINGS. . 11Seismic Evaluation and Retrofit. . 11EARTHQUAKE LOADS. . 12Structural Design Criteria. . 12Seismic Ground Motion Values. 12Importance Factor and Risk Category. . 14Seismic Design Category. 14Geological Hazards and Geotechnical Investigation. 14SEISMIC DESIGN REQUIREMENTS FOR BUILDING STRUCTURES. 15Structural System Selection. . 15Diaphragm Flexibility, Configuration Irregularities, and Redundancy. . 15Direction of Loading. . 16Analysis Procedure Selection. . 17Equivalent Lateral Force Procedure. . 18Modal Response Spectrum Analysis. . 18Diaphragms, Chords, and Collectors. . 19Structural Walls and Their Anchorage. . 19Drift and Deformation. . 20SEISMIC DESIGN REQUIREMENTS FOR NONSTRUCTURALCOMPONENTS. . 20General. . 20General Design Requirements. 20Seismic Demands on Nonstructural Components. . 22Response Analysis Procedures for Architectural, Mechanical, andElectrical Components. . 23Design of Architectural Components. . 24ii
UFC 3-301-023 March 2019Design of Mechanical and Electrical Components. . 24Component Qualification Documentation and O&M Manual. . 25Component Identification Nameplate. . 25SPECIAL INSPECTIONS AND TESTS. . 25General. . 25Structural Observations for Seismic Resistance. . 25Special Inspections for Seismic Resistance. 25Plumbing, Mechanical and Electrical Components. . 25Testing for Seismic Resistance. 26SOILS AND FOUNDATIONS. . 26Foundation Uplift and Rocking. . 26APPENDIX A REFERENCES . 28TABLESTABLE 1-1SYSTEMS PERMITTED FOR RISK CATEGORY V BUILDINGS . 136iii
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UFC 3-301-023 March 2019CHAPTER 1 INTRODUCTIONPURPOSE AND SCOPE.This Unified Facility Criteria (UFC) provides enhanced design requirements for RiskCategory V (RC V) structures, national strategic military assets designed andconstructed for the Department of Defense (DoD). These technical requirements arebased on the 2018 International Building Code (2018 IBC) and the structural standardreferenced by the 2018 IBC: ASCE/SEI 7-16 Minimum Design Loads and AssociatedCriteria for Buildings and Other Structures (hereafter referred to simply as ASCE 7-16).This UFC must be used for the design and analysis of buildings and other structuresassigned to Risk Category V.RC V encompasses facilities that are considered to be national strategic military assets(see UFC 3-301-01 Table 2-2). Special design and analysis procedures apply to RC Vbuildings and other structures. Design RC V structures to ensure that their foundations,superstructures and installed mission-essential nonstructural elements remain elastic,and their installed equipment remains operational when subjected to severeenvironmental loading.This UFC modifies provisions of the 2018 IBC and ASCE 7-16 for use in analyzing RCV buildings and structures. In cases where a provision in the 2018 IBC or ASCE 7-16 isnot modified by this UFC, first apply UFC 3-301-01 and then apply UFC 1-200-01. Ifneither of these UFC documents modify the relevant provision then apply the 2018 IBCand ASCE7-16 directly.BACKGROUND.UFC 1-200-01 uses and supplements 2018 IBC as the building code for DoD. UFC 3301-01 further modifies the structural-specific design requirements of IBC and ASCE 716. The last edition of UFC 3-301-01, dated 1 June 2013 Change 3, 12 September2016, contained only the non-seismic structural requirements, whereas the last editionof UFC 3-310-04, dated 1 June 2013 Change 1, 20 June 2016, contained the seismicrequirements for structures. In its current edition, UFC 3-301-01 contains all structuralrequirements, both seismic and nonseismic, for structures assigned to Risk Category I,II, III, or IV. Only the enhanced seismic requirements for RC V structures are nowcontained in this UFC. These requirements were found in Chapter 4 of the last edition ofUFC 3-310-04. The requirements have been revised to be consistent with the 2018 IBCand ASCE 7-16.APPLICABILITY.This UFC applies to all service elements and contractors involved in the planning,design and construction of DoD facilities worldwide that are assigned to Risk CategoryV.CONFLICTS AND MODIFICATIONS.1
UFC 3-301-023 March 2019The 2018 IBC provisions are directed toward public health, safety, and general welfare,presenting minimum standards that must be met by the private sector constructionindustry. The use of industry standards for DoD projects promotes communication inthe marketplace, improves competition, and results in cost savings. However, themilitary sometimes requires higher standards to achieve unique building performance,or to construct types of facilities that are not used in the private sector, especially whenthe structures are national strategic military assets. In addition, the construction ofmilitary facilities outside the United States can introduce requirements that are notaddressed in national model building codes. The provisions contained in this UFC areintended to fulfill the unique military requirements for RC V structures that are not foundin the model building codes. When conflicts between the 2018 IBC or ASCE 7-16 andthis UFC arise, the UFC prevails.In addition, for construction outside the United States, conflicts between host nationbuilding codes and the UFC may arise. In those instances, the more stringent designprovisions prevail. Notify the SER of where conflicts are discovered.COMMENTARY.Limited commentary has been added in the chapters. Section designations for suchcommentary are preceded by a “[C]”, and the commentary narrative is shaded.OTHER CRITERIA.Military criteria other than those listed in this document may be applicable to specifictypes of structures. Such structures must meet the additional requirements of theapplicable military criteria.General Building Requirements.Comply with UFC 1-200-01, DoD Building Code (General Building Requirements). UFC1-200-01 provides applicability of model building codes and government unique criteriafor typical design disciplines and building systems, as well as for accessibility,antiterrorism, security, high performance and sustainability requirements, and safety.Use this UFC in addition to UFC 1-200-01 and the UFCs and government criteriareferenced therein.Structural Requirements.Comply with UFC 3-301-01, DoD Building Code (Structural Engineering). UFC 3-301-01modifies certain structural provisions of the model building codes for the purpose ofDoD structures. Use this UFC in addition to UFC 3-301-01 and the UFCs andgovernment criteria referenced therein.Progressive Collapse Analysis and Design.Apply UFC 4-023-03, Design of Buildings to Resist Progressive Collapse, in the designof DoD buildings, if required by UFC 4-010-01, DoD Minimum Antiterrorism Standards2
UFC 3-301-023 March 2019for Buildings. This UFC and UFC 4-023-03 both apply in that case. Design inaccordance with one does not guarantee compliance with the other.3
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UFC 3-301-023 March 2019CHAPTER 2 DESIGN FOR ENHANCED RC V PERFORMANCE OBJECTIVESDESIGN REVIEW.Structural Design Review.A design review of the proposed seismic force-resisting system and associatedstructural analysis (calculations) must be conducted by an independent licensedStructural Engineer or Professional Engineer with at least 15 years of experience in thetheory and application of nonlinear seismic analysis and structural behavior underextreme cyclic loads. Previous design experience must be commensurate in complexityto the project being reviewed. Selection of the design reviewer is subject to the reviewand approval of the AHJ and must be retained by the A/E design firm (DBB) or theGeneral Contractor (DB). The design review must include, but is not necessarily limitedto, the following:1. Any site-specific seismic criteria used in the analysis, including the developmentof site-specific spectra and ground motion time-histories.2. Any acceptance criteria used to demonstrate the adequacy of structural elementsand systems to withstand the calculated force and deformation demands,together with any laboratory or other data used to substantiate the criteria.3. The preliminary design, including the selection of the structural system; theconfiguration of structural elements; and supports for all architectural,mechanical, and electrical components.4. The final design of the entire structural system and supports for all architectural,mechanical, and electrical components, and all supporting analyses.5. All procurement documents (statements of work, specifications, etc.) that aredeveloped for seismic qualification of equipment that must remain operablefollowing the design earthquake; verification of post-earthquake operability byshake table testing, experience data, or analysis.6. All documentation that is developed for seismic qualification of equipment thatmust remain operable following the design earthquake.[C] 2-1.1 Structural Design ReviewAn independent Structural Design Review is to be conducted at the contractor’sexpense. The structural design review should be started early in the design process toensure that the seismic design of the RC V facility is performed to the satisfaction ofthe Structural Reviewer. The Structural Reviewer should create a comprehens
UFC 3-301-02 3 March 2020 UNIFIED FACILITIES CRITERIA (UFC) REVISION SUMMARY SHEET Subject: UFC 3-301-02, Design of Risk Category V Structures, National Strategic Military Assets Cancels: UFC 3-310-04, Seismic Design, Change 1, 20 June 2016 Description of Changes: This new UFC contains the seismic design provisions for DoD Risk Category V
NAVAL AIR STATION KEY WEST (NASKW) ITB 17-007 Project OM19001601 PART 5 - CHAPTER 2 - Page 2 2.4 Appropriate Design UFC 1-300-09N Design Procedures UFC 3-301-01 Structural Engineering UFC 3-400 Mechanical Engni eerni g UFC 3-420-01 Plumbing Systems UFC 3-501-01 Electrical Engineering UFC
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