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Deflection Devices and Building Protection - Homeowners's Guide for Flood, Debris and Erosion Control
HOMEOWNER'S GUIDE
FOR FLOOD, DEBRIS,
AND EROSION CONTROL

INTRODUCTION

I. THE PROBLEMS
 º Flood Waters
 º Debris Flows
 º Erosion

II. EMERGENCY HOME
    PROTECTION
 º General Rules
 º Flood Insurance
 º Debris Control Aids
 º Sandbags
 º Control Of Water Intrusion
 º Deflections Devices and
   Building Protection
 º Engineered Concrete
   Block Walls

III. OTHER PROPERTY
     PROTECTION MEASURES
 º General Property Guidelines
 º Property Drainage Hints
   to Homeowners
 º Slope (Bench) Drains
 º Natural Watercourse Erosion
 º Planting Guidelines
 º Ground Covers
 º Shrubs and Trees
 º Grasses

IV. SUMMARY
V. GLOSSARY OF TERMS
VI. ACKNOWLEDGMENTS

Figures º Free Booklet
GUIDE HOME

La Guia En Español

II. EMERGENCY HOME PROTECTION
DEFLECTION DEVICES AND BUILDING PROTECTION
DOOR AND WINDOW PROTECTION
PROVIDEprotection against debris entering around doorways and windows by use of boards or plywood (see Fig. 14 and 15).

Fig. 14 Typical Window and Door Protection
Fig. 15 USE OF WINDOW AND DOOR PROTECTION

COVERdoors and windows completely with plywood, if affected by the hazard, and use an alternate entrance.
USElow-grade plywood to overlap windows, vents and doors 3 to 4 inches on all sides.
SECUREeach sheet of plywood with four or more nails, screws or bolts; stakes and boards may also be used to wedge barriers in place. As an alternative, standing pipes on both sides of a door may be used to secure a removable barrier (see Fig.14).

Fig. 14 Typical Window and Door Protection
Fig. 14 Typical Window and Door Protection

MATERIALScan be dismantled after the storm season and stored year-to-year.

 

 DEBRIS DEFLECTORS AND BARRIERS
USElow-grade lumber and overlap section with protruding end facing downstream (see Fig. 17).


Fig. 17 TIMBER DEFLECTOR

DRIVEstakes to at least one-half their length to insure proper anchorage (see Fig.16).


Fig. 16 TYPICAL TIMBER INSTALLATION

PLACEdeflectors on solid, level soil if possible to reduce the hazard of undercutting.
DO NOTattempt to use the lumber as a dam.
SOILfirmly packed behind the deflector will provide needed additional strength (see Fig. 17).
PLACEsandbags against the house if debris deflector required is greater than three feet (see Fig. 5).
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