Well caps that are used to keep sources of contamination out of drinking water wells. Well caps are removed for reasons such as maintenance and disinfection of a well.
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Well caps are available in two general types, which are general well caps and safety well caps. General well caps attach with screw and bolts to the side of a well casing and can allow small animals and groundwater entry to the well. Safety well caps contain a seal and bolt onto the well casing from above allowing no access to animals and groundwater.
To remove a well cap the bolts must be removed, allowing the cap to be lifted off the head of the well casing. To remove safety well cap, the airtight rubber seal must also be broken.
To ensure the safety of people completing repair or maintenance work on a well, all electrical power to equipment, such as pumps serving the well, should be turned off. Due to the risk of electrocution, individuals removing well caps should wear rubber-soled shoes or boots.
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