FLOOD01015

• County: Fremont
• Community: Florence
• Stream Name: Coal Creek, Arkansas River
• Title: Flood Preparedness Plan for the City of Florence Remont County, Colorado
• Date: 6/1/1993
• Prepared For: Florence, Fremont County, CWCB
• Prepared By: US Army Corps of Engineers
• Floodplain - Doc Type: Flood Mitigation/Flood Warning/Watershed Restoration

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Sandbag Closure

3' "'IN.

H

H

CRoss-steTION or SANOBAG ClOSURE

Cross-section of sandbag cloaure

iH

Sandbag Closures. Sandbags used In sandbag closures are generally ofburlap, about 19 X 36 inches empty, although
any type and size may be used n necessary. (A common size is 15 X 24 Inches.) Sandbags arefiUedwith earth about
two-thirds full, shaken down loosely but not tamped. The bags need not be tied U they are carefuny placed: .',~ open
unfilled end is folded back under the bag so the weight of the bag keeps ft dosed. The bags are laid In layer:. The bags
of the bottom layer laid lengthwise of the opening, the bags of the second layer laid crcsswise of the openi~g. the third
layer lengthwise and so on, each succeeding layer being laid In an altematli dlrectlon to the layer below. Each layer of
bags should be tamped or tramped into place, with loose earth or smaJJ bags placed in voids and I1Icesses as a fiDer.
Each layer 01 bags should be constructed to full height. Sase width of a dosure is 2H + 3', whel1l H is the height in feel.
Side slopes should be roughly 1 to 1.

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