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Above Ground & Indoor Pool Safety
Above Ground Pools
Above ground pools should have barriers. The pool structure itself serves as a barrier or a barrier is mounted on top of the pool structure. Then, there are two possible ways to prevent young children from climbing up into an above ground pool. The steps or ladder can be designed to be secured, locked or removed to prevent access, or the steps or ladder can be surrounded by a barrier.
How to Prevent a Child from Getting Under or Through a Barrier
- For any pool barrier, the maximum clearance at the bottom of the barrier should not exceed 4 inches above grade, when the measurement is done on the side of the barrier facing away from the pool.
- If an above ground pool has a barrier on the top of the pool, the maximum vertical clearance between the top of the pool and the bottom of the barrier should not exceed 4 inches.
- Preventing a child from getting through a pool barrier can be done by restricting the sizes of openings in a barrier and by using self-closing and self-latching gates.
- To prevent a young child from getting through a fence or other barrier, all openings should be small enough so that a 4 inch diameter sphere can not pass through. This size is based on the head breadth and chest depth of a young child.
- Gates; There are two kinds of gates which might be found on residential property. Both can play a part in the design of a swimming pool barrier.
- Pedestrian Gates; These are the gates people walk through. Swimming pool barriers should be equipped with a gate or gates which restrict access to the pool. A locking device should be included in the gate design. Gates should open out from the pool and should be self-closing and self-latching. If a gate is properly designed, even if the gate is not completely latched, a young child pushing on the gate in order to enter the pool area will at least close the gate and may actually engage the latch.
- When the release mechanism of the self-latching device is less than 54 inches from the bottom of the gate, the release mechanism for the gate should be a least 3 inches below the top of the gate on the side facing the pool. Placing the release mechanism at this height prevents
- a young child from reaching over the top of the gate and releasing the latch.
- Also, the gate and barrier should have no opening greater than 1/2 inch within 18 inches of the latch release mechanism. This prevents
- a young child from reaching through the gate and releasing the latch.
- All other Gates (Vehicle Entrances, Etc.); Should be equipped with self-latching devices. The self-latching devices should be installed as described for pedestrian gates.
When the House Wall Forms Part of Pool Barrier
In many homes, doors open directly onto the pool area or onto a patio which leads to the pool, it is important to consider the following factors:
- In such cases, the wall of the house is an important part of the pool barrier, and passage through any doors in the house wall should be controlled by security measures. The importance of controlling a young child’s movement from house to pool is demonstrated by the statistics obtained during the CPSC’s study of pool incidents in California, Arizona and Florida : almost half (46 percent) of the children who became victims of pool accidents were last seen in the house just before they were found in the pool.
- All doors which give access to a swimming pool should be equipped with an audible alarm which sounds when the door and/or screen are opened. The alarm should sound for 30 seconds or more immediately after the door is opened. The alarm should be loud: at least 85 dBA (decibels) when measured 10 feet away from the alarm mechanism. The alarm sound should be distinct from other sounds in the house, such as the telephone, doorbell and smoke alarm. The alarm should have an automatic reset feature.
- Because adults will want to pass through house doors in the pool barrier without setting off the alarm, the alarm should have a switch that allows adults to temporarily deactivate the alarm for up to 15 seconds. The deactivation switch could be a touch pad (keypad) or a manual switch and should be located at least 54 inches above the threshold of the door covered by the alarm. This height was selected based on the reaching ability of young children.
- Power safety covers can be installed on pools to serve as security barriers. Power safety covers should conform to the specifications in ASTM F 1346-91. This standard specifies safety performance requirements for pool covers to protect young children from drowning.
When a pool is located completely within a house, the walls that surround the pool should be equipped to serve as pool safety barriers. Measures recommended above where a house wall serves as part of a safety barrier also apply for all the walls surrounding an indoor pool.