{"id":74175,"date":"2024-10-17T16:46:30","date_gmt":"2024-10-17T16:46:30","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/fema-p85-2009\/"},"modified":"2024-10-24T19:14:15","modified_gmt":"2024-10-24T19:14:15","slug":"fema-p85-2009","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/fema\/fema-p85-2009\/","title":{"rendered":"FEMA P85 2009"},"content":{"rendered":"

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PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
1<\/td>\nProtecting Manufactured Homes from Floods and Other Hazards <\/td>\n<\/tr>\n
5<\/td>\nPreface <\/td>\n<\/tr>\n
7<\/td>\nAcknowledgments <\/td>\n<\/tr>\n
9<\/td>\nTable of Contents <\/td>\n<\/tr>\n
19<\/td>\n1 Introduction
1.1 Purpose and Scope of the Guide <\/td>\n<\/tr>\n
21<\/td>\n1.2 Background
1.2.1 Manufactured Homes in the United States <\/td>\n<\/tr>\n
23<\/td>\n1.2.2 National Flood Insurance Program <\/td>\n<\/tr>\n
24<\/td>\n1.2.3 Performance of Manufactured Homes in Wind and Flood Events
1.2.3.1 Performance of Pre-1994 Manufactured Homes <\/td>\n<\/tr>\n
25<\/td>\n1.2.3.2 Performance of Post-1994 Manufactured Homes <\/td>\n<\/tr>\n
26<\/td>\n1.2.3.3 Performance of Manufactured Homes During Hurricane Charley (2004) in Florida <\/td>\n<\/tr>\n
29<\/td>\n2 Manufactured Homes
2.1 Manufactured Home Characteristics
2.1.1 Chassis Support System <\/td>\n<\/tr>\n
31<\/td>\n2.1.4 Double Section
2.2 Types of Foundation Systems <\/td>\n<\/tr>\n
33<\/td>\n2.2.1 Typical Foundation Systems
2.2.1.1 Typical Installation <\/td>\n<\/tr>\n
34<\/td>\n2.2.1.2 Piers and Ground Anchors <\/td>\n<\/tr>\n
35<\/td>\n2.2.1.3 Perimeter Wall Foundations
2.2.2 Proprietary Systems <\/td>\n<\/tr>\n
36<\/td>\n2.3 Utilities and Mechanical Equipment
2.3.1 Utilities Placement <\/td>\n<\/tr>\n
37<\/td>\n2.3.2 Mechanical Access <\/td>\n<\/tr>\n
38<\/td>\n2.4 Attachments – Carports, Decks, Porches, and Awnings <\/td>\n<\/tr>\n
39<\/td>\n3. Regulatory Requirements
3.1 Introduction to the NFIP <\/td>\n<\/tr>\n
40<\/td>\n3.2 Identifying and Mapping Flood Hazards <\/td>\n<\/tr>\n
46<\/td>\n3.3 The NFIP’s Community Rating System (CRS)
3.4 NFIP Definitions Related to Manufactured Homes <\/td>\n<\/tr>\n
47<\/td>\n3.5 General NFIP Floodplain Management Requirements for Manufactured Homes <\/td>\n<\/tr>\n
48<\/td>\n3.6 NFIP Requirements for Manufactured Homes in Riverine and Inland Flood Zones <\/td>\n<\/tr>\n
49<\/td>\n3.6.1 Approximate A Zones <\/td>\n<\/tr>\n
51<\/td>\n3.6.2 Elevation in A, A1-30, AE, and AH Zones <\/td>\n<\/tr>\n
52<\/td>\n3.6.3 3-Foot Pier Foundation <\/td>\n<\/tr>\n
54<\/td>\n3.6.4 Elevation in Zone AO <\/td>\n<\/tr>\n
55<\/td>\n3.6.5 Anchoring <\/td>\n<\/tr>\n
56<\/td>\n3.6.6 Flood Damage-Resistant Materials
3.6.7 Utilities and Mechanical Equipment <\/td>\n<\/tr>\n
57<\/td>\n3.6.8 Enclosed Areas <\/td>\n<\/tr>\n
58<\/td>\n3.6.9 Floodways <\/td>\n<\/tr>\n
60<\/td>\n3.7 NFIP Requirements for Manufactured Homes in Coastal Flood Areas <\/td>\n<\/tr>\n
61<\/td>\n3.7.1 Elevation and Anchoring <\/td>\n<\/tr>\n
63<\/td>\n3.7.2 Fill
3.7.3 Enclosed Areas and Breakaway Walls <\/td>\n<\/tr>\n
64<\/td>\n3.7.4 Setbacks <\/td>\n<\/tr>\n
65<\/td>\n3.8 Existing Manufactured Homes in Flood Hazard Areas
3.8.1 Relocation <\/td>\n<\/tr>\n
66<\/td>\n3.8.2 Evacuation <\/td>\n<\/tr>\n
67<\/td>\n3.8.2.1 Manufactured Home Substantially Improved or Returned to a Different Site or Pad in an Existi <\/td>\n<\/tr>\n
68<\/td>\n 3.8.2.2 Manufactured Home Placed in a New Manufactured Home Park or Subdivision
3.9 HUD Manufactured Home Construction and Safety Standards <\/td>\n<\/tr>\n
70<\/td>\n3.10 HUD Model Manufactured Home Installation Standards <\/td>\n<\/tr>\n
72<\/td>\n3.11 Model Building Code Requirements
3.11.1 IRC 2006 <\/td>\n<\/tr>\n
73<\/td>\n3.11.2 NFPA 5000 <\/td>\n<\/tr>\n
74<\/td>\n3.11.3 NFPA 501
3.11.4 NFPA 225 <\/td>\n<\/tr>\n
75<\/td>\n4 Site and Development Options <\/td>\n<\/tr>\n
76<\/td>\n4.1 Step 1: Compiling Site Information <\/td>\n<\/tr>\n
78<\/td>\n4.2 Step 2: Reviewing Basic Siting Information
4.3 Step 3: Hazard Analysis and Risk Assessment <\/td>\n<\/tr>\n
79<\/td>\n4.3.1 Flooding <\/td>\n<\/tr>\n
80<\/td>\n4.3.1.1 Accessibility <\/td>\n<\/tr>\n
82<\/td>\n4.3.2 Other Hazards <\/td>\n<\/tr>\n
84<\/td>\n4.4 Step 4: Protecting Properties In and Near Hazard-Prone Areas
4.4.1 Placement Options
4.4.1.1 Flood-Prone Areas <\/td>\n<\/tr>\n
86<\/td>\n4.4.1.2 Areas Subject to Landslides
4.4.2 Design and Construction Techniques
4.4.2.1 Flood-Prone Areas
4.4.2.2 Dam Failure Inundation Areas <\/td>\n<\/tr>\n
87<\/td>\n4.4.2.3 Areas Subject to Landslides
4.4.2.4 Areas Subject to Seismic Events
4.4.2.5 Areas Subject to Wind\/Debris Hazards
4.5 Step 5: Deciding on Property Development: Proceed or Reject <\/td>\n<\/tr>\n
89<\/td>\n5 Natural Hazards – Design Considerations
5.1 Flood Data <\/td>\n<\/tr>\n
93<\/td>\n5.2 Flood Characteristics
5.2.1 Frequency, Duration, and Rate of Rise <\/td>\n<\/tr>\n
95<\/td>\n5.2.2 Flood Elevation and Depth <\/td>\n<\/tr>\n
96<\/td>\n5.2.3 Hydrostatic (Buoyancy) Forces <\/td>\n<\/tr>\n
97<\/td>\n5.2.4 Hydrodynamic Forces <\/td>\n<\/tr>\n
100<\/td>\n5.2.5 Erosion and Scour <\/td>\n<\/tr>\n
101<\/td>\n5.2.6 Debris Impact Forces <\/td>\n<\/tr>\n
102<\/td>\n5.3 Wind <\/td>\n<\/tr>\n
103<\/td>\n5.3.1 Wind Forces on Structures
5.3.2 Wind Forces in Combination with Flood Forces <\/td>\n<\/tr>\n
104<\/td>\n5.5 Evaluation of Multi-Hazards <\/td>\n<\/tr>\n
106<\/td>\n5.4 Earthquakes
5.4.1 Design Philosophy
5.4.2 Design Standard
5.5.1 Load Combinations (ASCE 7)
5.5.1.1 Strength Design (Load and Resistance Factor Design) <\/td>\n<\/tr>\n
107<\/td>\n5.5.1.2 Allowable Stress Design (also known as Working Stress Design) <\/td>\n<\/tr>\n
109<\/td>\n6 Soils
6.1 Bearing Capacity <\/td>\n<\/tr>\n
110<\/td>\n6.2 Effects of Flood Duration and Frequency on Soil
6.3 Soil Liquefactio <\/td>\n<\/tr>\n
111<\/td>\n6.4 Recommended Soil Testing and Criteria for Manufactured Home Installations <\/td>\n<\/tr>\n
113<\/td>\n7 Ground Anchors <\/td>\n<\/tr>\n
114<\/td>\n7.1 Types of Anchors and Installed Configurations
7.1.1 Types of Anchors
7.1.1.1 Helical Earth Anchors
7.1.1.2 Concrete Anchors
7.1.1.3 Cross Drive Anchors <\/td>\n<\/tr>\n
115<\/td>\n7.1.2 Anchor Construction and Capacity
7.1.3 Anchor Selection <\/td>\n<\/tr>\n
116<\/td>\n7.1.4 Anchor Installation <\/td>\n<\/tr>\n
117<\/td>\n7.1.5 Anchor Performance <\/td>\n<\/tr>\n
120<\/td>\n7.1.6 Anchors and Other Foundation Elements
7.2 FEMA Anchor Test Program
7.2.1 Anchors in Saturated Soils <\/td>\n<\/tr>\n
121<\/td>\n7.2.2 Anchor Test Results <\/td>\n<\/tr>\n
123<\/td>\n7.3 Recommended Ground Anchor Certification, Performance, and Design Values
7.3.1 Recommended Ground Anchor Certification Performance
7.3.2 Recommended Ground Anchor Design Values
7.3.2 Recommended Ground Anchor Design Values <\/td>\n<\/tr>\n
125<\/td>\n7.4 Ground Anchors in Seismically Active Areas <\/td>\n<\/tr>\n
127<\/td>\n8 Foundation Systems
8.1 Introduction <\/td>\n<\/tr>\n
128<\/td>\n8.2 Enclosed Foundations <\/td>\n<\/tr>\n
129<\/td>\n8.3 Open Foundations and Breakaway Walls
8.3.1 Pier Systems <\/td>\n<\/tr>\n
131<\/td>\n8.3.1.2 Unreinforced Pier Systems <\/td>\n<\/tr>\n
133<\/td>\n8.3.2 Pile Foundations <\/td>\n<\/tr>\n
135<\/td>\n8.4 Bracing <\/td>\n<\/tr>\n
136<\/td>\n8.5 Footings <\/td>\n<\/tr>\n
137<\/td>\n8.6 Foundation Materials Selection <\/td>\n<\/tr>\n
138<\/td>\n8.6.1 Wood Foundations
8.6.2 Concrete Foundations <\/td>\n<\/tr>\n
139<\/td>\n8.6.3 Steel Foundations
8.6.4 Masonry Foundations
8.7 Foundation Selection and Flood Resistance <\/td>\n<\/tr>\n
140<\/td>\n8.7.1 Flooding Types
8.7.2 Flood Characteristics <\/td>\n<\/tr>\n
141<\/td>\n8.7.3 Flood Hazard Zones
8.7.4 Proximity to Flood Source <\/td>\n<\/tr>\n
142<\/td>\n8.7.5 Foundation Selection Guidance <\/td>\n<\/tr>\n
145<\/td>\n9 Recommended Design Process and Criteria for Manufactured Home Foundations in SFHAs
9.1 Performance Criteria
9.2 Design Criteria <\/td>\n<\/tr>\n
146<\/td>\n9.3 Design Process <\/td>\n<\/tr>\n
147<\/td>\n9.3.1 Step 1: Determine Design Criteria <\/td>\n<\/tr>\n
148<\/td>\n9.3.2 Step 2: Select a Design Methodology and Assess Load Combinations and Failure Modes
9.3.2.1 Design Methodology
9.3.2.2 Load Combinations
9.3.2.3 Primary Failure Modes <\/td>\n<\/tr>\n
149<\/td>\n9.3.3 Step 3: Select Foundation Type and Material <\/td>\n<\/tr>\n
150<\/td>\n9.3.4 Step 4: Determine Forces at Connections and on Foundation Components
9.3.5 Step 5: Specify Connections and Framing Methods Along with Component Dimensions to Satisfy Load Conditions
9.3.6 Step 6: Note All Design Assumptions and Details on Drawings <\/td>\n<\/tr>\n
151<\/td>\n10 Recommended Foundations
10.1 Design Criteria for Recommended Foundations <\/td>\n<\/tr>\n
152<\/td>\n10.1.1 Reinforced Masonry Perimeter Foundation Walls <\/td>\n<\/tr>\n
153<\/td>\n10.1.2 Wood Framed Perimeter Foundation Walls
10.1.3 Braced Masonry Pier Designs <\/td>\n<\/tr>\n
154<\/td>\n10.1.4 Wood H-Frame Designs
10.1.5 Ground Anchor Designs <\/td>\n<\/tr>\n
155<\/td>\n10.2 Summary of Recommended Foundations <\/td>\n<\/tr>\n
156<\/td>\n10.3 Floodwater Velocity Design Considerations for Pier Foundations <\/td>\n<\/tr>\n
157<\/td>\n10.4 Recommended Foundation Designs for Seismic Areas
10.4.1 Concrete Masonry Pier Foundation Designs
10.4.2 Masonry Wall Foundation Designs <\/td>\n<\/tr>\n
158<\/td>\n10.4.3 Wood Framed Foundation Designs
10.5 Design Drawings <\/td>\n<\/tr>\n
161<\/td>\nAppendix A <\/td>\n<\/tr>\n
167<\/td>\nB. Sources for Flood Information
B.1 Map Modernization and Risk Mapping, Assessment, and Planning (Risk MAP) <\/td>\n<\/tr>\n
169<\/td>\nB.3 Flood Hazard Boundaries <\/td>\n<\/tr>\n
170<\/td>\nB.4 Flood Depth
B.5 Floodwater Velocity <\/td>\n<\/tr>\n
171<\/td>\nB.6 Frequency
B.7 Rate of Rise
B.8 Duration <\/td>\n<\/tr>\n
172<\/td>\nB.9 Sources of Information <\/td>\n<\/tr>\n
175<\/td>\nC. Flood Velocity Determination
C.1 Velocity Data
C.1.1 Hydraulic Modeling <\/td>\n<\/tr>\n
177<\/td>\nC.1.2 Documented Historic Information
C.2 Alternate Methodologies for Estimating Velocities
C.2.1 Knowledge of Past Flooding <\/td>\n<\/tr>\n
178<\/td>\nC.2.2 Site Indicators <\/td>\n<\/tr>\n
183<\/td>\nAppendix D <\/td>\n<\/tr>\n
187<\/td>\nAppendix E <\/td>\n<\/tr>\n
193<\/td>\nF. Example Calculations <\/td>\n<\/tr>\n
194<\/td>\nStep 1: Determine Design Criteria <\/td>\n<\/tr>\n
203<\/td>\nStep 2: Select a Design Methodology and Assess Load Combinations and Failure Modes <\/td>\n<\/tr>\n
208<\/td>\nStep 3: Select Foundation Type and Materials
Step 4: Determine Forces at Connections and on Foundation Components <\/td>\n<\/tr>\n
211<\/td>\nStep 5: Specify Connection and Framing Methods Along with Component Dimensions to Satisfy Load Cond
Step 6: Note all Design Assumptions and Details on Drawings <\/td>\n<\/tr>\n
213<\/td>\nG. Wind Zone Comparisons (HUD’s MHCSS and FEMA 85)
G.1 Background
G.2 Wind Provisions <\/td>\n<\/tr>\n
214<\/td>\nG.3 Wind Zones <\/td>\n<\/tr>\n
217<\/td>\nG.4 Wind Speeds and County Lists <\/td>\n<\/tr>\n
221<\/td>\nAppendix H <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

FEMA P-85 – Protecting Manufactured Homes from Floods and Other Hazards. Second Edition<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
FEMA<\/b><\/a><\/td>\n2009<\/td>\n266<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":74176,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2743],"product_tag":[],"class_list":{"0":"post-74175","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-fema","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/74175","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/74176"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=74175"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=74175"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=74175"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}