This European Standard specifies the safety requirements and the means of their verification for the design and construction of moveable pool floors and moveable bulkheads for use in classified swimming pools as specified in EN 15288-1 and EN 15288-2. This part of the EN 13451 series, when used with EN 13451-1, deals with the significant hazards, hazardous situations and events, as listed in Annex A, relevant to this equipment when used as intended and under the conditions of misuse reasonably foreseeable by the manufacturer during normal operation and service. When requirements of this part of the EN 13451 series are different from those which are stated in EN 13451-1, the requirements of this part of the EN 13451 series take precedence over the requirements of EN 13451-1 for machines that have been designed and built according to the requirements of this part of the EN 13451 series. The requirements of this part of the EN 13451 series take priority over those in EN 13451-1. This document doesn t apply to installations or equipment intended to move people into or out of a pool tank. This part of the EN 13451 series is not applicable to equipment which is manufactured before the date of its publication as EN.