FEMA P-499: Home Builder's Guide to Coastal Construction

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3 FOUNDATIONS Additional Resources American Concrete Institute (ACI), 543R-00: Design, Manufacture, and Installation of Concrete Piles (Reapproved 2005), (http://www.concrete.org) American Forest and Paper Association (AF&PA). National Design Specification for Wood Construction. (http://www.afandpa.org) American Society for Testing and Materials (ASTM). Standard Specification for Round Timber Piles, ASTM D25. (http://www.astm.org) American Wood-Preservers Association (AWPA). All Timber Products – Preservative Treatment by Pressure Processes, AWPA C1-00; Lumber, Timber, Bridge Ties and Mine Ties – Preservative Treatment by Pressure Processes, AWPA C2-01; Piles – Preservative Treatment by Pressure Process, AWPA C3-99; and others. (http://www.awpa.com) Pile Buck, Inc. Coastal Construction. (http://www.pilebuck.com) Southern Pine Council (SPC) (http://www.southernpine.com/about.shtml) Timber Pile Council, American Wood Preservers Institute, Timber Pile Design and Construction Manual, (http://www.wwpinstitute.org/pdffiles/TimberPileManual.pdf) 4 of 4 12/10 Developed in association with the National Association of Home Builders Research Center 3.2: PILE DESIGN AND INSTALLATION HOME BUILDER’S GUIDE TO COASTAL CONSTRUCTION
Wood Pile-to-Beam Connections HOME BUILDER’S GUIDE TO COASTAL CONSTRUCTION Technical Fact Sheet No. 3.3 Purpose: To illustrate typical wood pile-to-beam connections, provide basic construction guidelines on various connection methods, and show pile bracing connection techniques. Key Issues n Verify pile alignment and correct, if necessary, before making connections. n Carefully cut piles to ensure required scarf depths. n Limit cuts to no more than 50 percent of pile cross section. n Use corrosion-resistant connectors and fasteners such as those fabricated from stainless steel, or connectors and fasteners with corrosion protection such as provided by hot-dip galvanized coating (see Fact Sheet No. 1.7, Coastal Building Materials). n Accurately locate and drill bolt holes. n Field-treat all cuts and holes to prevent decay. n Use sufficient pile and beam sizes to allow proper bolt edge distances. Built-up beams should be designed as continuous members and not be broken over the piles. Some homebuilders are using engineered wood products, such as glued laminated timber and parallel strand lumber, which can span longer distances without splices. The ability to span longer distances without splices eases installation and reduces fabrication costs. Note: Pile-to-beam connections must be designed by an engineer. Figure 1. Pile-to-beam bolted connection. 3.3: WOOD PILE-TO-BEAM CONNECTIONS Pile-to-beam connections must: 1. Provide required bearing area for beam to rest on pile. 2. Provide required uplift (tension) resistance. 3. Maintain beam in an upright position. 4. Be capable of resisting lateral loads (wind and seismic). 5. Be constructed with durable connectors and fasteners from corrosion-resistant materials or with corrosion protection in accordance with minimum requirements of the International Residential Code. The level of corrosion protection that can be expected will vary depending on the type of wood treatment and fastener type. Make sure the fastener is compatible with the wood variety selected for construction. HOME BUILDER’S GUIDE TO COASTAL CONSTRUCTION Pile-to-Beam Bolted Connection 1 of 6 12/10 FOUNDATIONS 3
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Home Builder’s Guide to Coastal C
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G GUIDE 2 of 6 12/10 Fact Sheet No.
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G GUIDE 4 of 6 12/10 Fact Sheet No.
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G GUIDE 6 of 6 12/10 Category Categ
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1 GENERAL What Should Owners and Ho
Page 13 and 14: Summary of Coastal Construction Req
Page 15 and 16: Foundation Orientation of Lowest Ho
Page 17 and 18: Certification Elevation NFIP 60.3(b
Page 19 and 20: Coastal Construction Requirements a
Page 21 and 22: Coastal Construction Requirements a
Page 23 and 24: Using a Digital Flood Insurance Rat
Page 25 and 26: Sample DFIRM This map is a portion
Page 27 and 28: Lowest Floor Elevation HOME BUILDER
Page 29 and 30: V Zone Design and Construction Cert
Page 31 and 32: Designing for Flood Levels Above th
Page 33 and 34: FIRMs depict the limits of flooding
Page 35 and 36: Figure 6. Mold and biological/chemi
Page 37 and 38: Other Considerations As previously
Page 39 and 40: Coastal Building Materials HOME BUI
Page 41 and 42: Location of Material Use Name of Ma
Page 43 and 44: n Metal-plate-connected trusses sho
Page 45 and 46: Non-Traditional Building Materials
Page 47 and 48: Things to consider if building with
Page 49 and 50: Figure 5. An example of a wall cavi
Page 51 and 52: Moisture Barrier Systems HOME BUILD
Page 53 and 54: How Do Siting and Design Decisions
Page 55 and 56: Selecting a Lot and Siting the Buil
Page 57 and 58: Foundations in Coastal Areas HOME B
Page 59: prohibited in V Zones but are recom
Page 62 and 63: 3 FOUNDATIONS Table 1. Example foun
Page 66 and 67: 3 FOUNDATIONS 2 of 6 12/10 Figure 2
Page 68 and 69: 3 FOUNDATIONS 4 of 6 12/10 Figure 4
Page 70 and 71: 3 FOUNDATIONS Additional Resources
Page 72 and 73: 3 FOUNDATIONS Piers vs. Piles Pier
Page 75 and 76: HOME BUILDER’S GUIDE TO COASTAL C
Page 77: If a stemwall and floor slab system
Page 80 and 81: 4 LOAD PATHS If a connection fails,
Page 82 and 83: 4 LOAD PATHS Gable end wall - cut c
Page 85 and 86: Use of Connectors and Brackets HOME
Page 87 and 88: Important These are examples of typ
Page 89 and 90: Housewrap HOME BUILDER’S GUIDE TO
Page 91: n Improper integration with flashin
Page 94 and 95: 5 WALL SYSTEMS 2 of 3 12/10 Figure
Page 97 and 98: Siding Installation in High-Wind Re
Page 99 and 100: n Use aluminum, galvanized steel, o
Page 101 and 102: Figure 8b. Wood siding installation
Page 103 and 104: Energy Conservation and Air Barrier
Page 105 and 106: Attachment of Brick Veneer in High-
Page 107 and 108: Construction Guidance The brick ven
Page 109: Table 1. Brick Veneer Tie Spacing N
Page 112 and 113: 6 OPENINGS Although not discussed i
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Protection of Openings- Shutters an
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What Types of Shutters Are Availabl
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Are There Special Requirements for
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Roof Sheathing Installation HOME BU
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Common Sheathing Attachment Mistake
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7 ROOFING 5. Apply a single layer o
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Asphalt Shingle Roofing for High Wi
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After the shingles have been expose
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7 ROOFING Design and Construction G
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Minimizing Water Intrusion Through
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Checking Soffit Material Installati
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Figure 8. This metal ridge vent was
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Gable Rake Vents Key Issues n Gable
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Metal Roof Systems in High-Wind Reg
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Construction Guidance n Consult loc
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Additional Resources For general in
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8 ATTACHMENTS Space Below the BFE
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8 ATTACHMENTS n Siding used on the
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Decks, Pools, and Accessory Structu
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uildings. Pools can be designed to
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Purpose: To identify the special co
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Fuel n Fuel tanks should be install
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9 REPAIRS n Pre-FIRM or post-FIRM b
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9 REPAIRS n If a lateral addition c
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9 REPAIRS Enclosures of Areas Below
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Repairs, Remodeling, Additions, and
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Vertical additions may also impose
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n Soffits should be inspected follo
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References and Resources HOME BUILD
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FEMA. NFIP Technical Bulletin 5-08,
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FEMA P-499: Home Builder's Guide to Coastal Construction

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