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HOW TO FILL SANDBAGS

Fill sandbags 1/2 to 2/3 full, tie at top so bag will lay flat when put in place.   A properly filled sand bag should weigh between 35-40 lbs.

Overfilled bags and bags tied too low leave gaps in sandbag levee allowing water to seep through.   An overfilled sandbag can weigh 70 - 75 lbs.


TIP:  Always use gloves to protect your hands during the filling operation. After handling treated bags, avoid contact with your eyes and mouth. Dress appropriately and layer clothing. Safety goggles should be used on dry and windy days.

HOW TO PLACE SANDBAGS:
Sandbags should be placed flat on ground, overlapped, tamped into place, and stairstepped.

Remove any debris from the areas where bags are to be placed. Place the bags lengthwise and parallel to the direction of flow with the untied open ends of the bags facing upstream. Fill the low spots first before placing bags the full length of the area to be raised. Start at the downstream end of the sandbag operation about 1 foot landward from the river or levee's edge and continue upstream.

Fold the open end of the bag under the filled portion. Place succeeding bags with the bottom of the bag tightly and partially overlapping the previous bag. Offset adjacent rows or layers by one-half bag length to avoid continuous joints. To eliminate voids and form a tight seal, compact and shape each bag by walking on it and continue the process as each layer is placed. This flattens the top of the bag and prevents slippage between succeeding layers.

POLYETHYLENE
Polyethylene (plastic) comes in rolls 20 ft wide by 100 ft long. It is used to wrap sandbag levees to prevent seepage.   Plastic should be placed on downstream portion of levee first, then worked upstream with a two to three foot overlap. Plastic is held in place with sandbags

ESTIMATED NUMBER OF SANDBAGS PER LINEAR FOOT OF WALL.

  Height in feet                   Bags Required

1                                        5
2                                      10
3**                                    21
4                                      36
5*                                     55

*   Five feet is the practical limit of a sandbag levee. If a higher levee is needed, alternate means of construction should be considered.
** Preferred limit is 3 feet high.

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