FLOOD02274

• County: Statewide
• Basin: Statewide
• Title: Hurricane Opal in Florida A Building Performance Assessment
• Date: 8/30/1996
• Prepared For: Florida
• Prepared By: FEMA
• Floodplain - Doc Type: Floodplain Report/Masterplan

Table of Contents

EXECUTIVE SUMMARy............... .... .......................... .... ........................... 1

1 INTRODUCTION .............................. ......................... ......................... 1-1

1.1 Purpose... ......... ......... ......... ............... ... ............... ............... .............. ........... .............. 1-1

1.2 Background. ..... .......... ................ ........................... ................. ............. ................ ..... 1-1

1.3 Hurricane Opal- Storm Conditions ...................................................................... 1-3
1.4 Local, State, and Federal Siting and Building Code Requirements ......................... 1-3

2 SITE OBSERVATIONS......................... ...... ............. ........ ...... .............. 2-1
2.1 Typical Pre-FIRM and Post-FIRM Construction........................................................ 2-1
2.2 Observations of Wind Damage ................................................................................. 2-1
2.3 Observations of Flood Damage ................................................................................ 2-1

2.3.1 Erosion and Scour ......................................................................................... 2-3

2.3.2 Debris ........ ................. .................. ........ .......... ............ ....... ...................... ....... 2-3

2.3.3 Slab Foundations ........................................................................................... 2-3

2.3.4 Pile and Pier Foundations ............................................................................. 2-6

2.3.5 Framing Systems ............................................................................................ 2-6

2.3.6 Connections ......... ................. ................. ........................... ............. ................ 2-7

2.3.7 Bracing .................... ...... ............. ...... .... ....... ................. ...................... ............ 2-7

2.3.8 Breakaway Construction and Enclosures....................................................... 2-9
2.3.9 Stairs, Decks, and Porches ............................................................................. 2-9

2.3.10 Utilities........................................................................................................... 2-9

2.3.11 Seawalls ........................................................................................................ 2-12

2.3.12 Drainage and Drainage Structures.............................................................. 2-13
2.4 Incorporation ofPre-FlRM Construction into New Construction ......................... 2-13
2.5 Design, Construction, and Workmanship .............................................................. 2-13

3 RECOMMENDATIONS...... ...... ...... .......... ........................................... 3-1
3.1 Application ofY-Zone and A-Zone Design and Construction Requirements .......... 3-1
3.1.1 FEMA To Issue Revised FIRMs ...................................................................... 3-1
3.1.2 Communities Using Higher Standards in Coastal A-Zones........................... 3-1

HURRICANE OPAL IN FLORIDA

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