Lifts, escalators and moving walks, Part 20: Safety rules for the construction and installation of lifts - Lifts for the transport of persons and goods - New passenger and goods passenger lifts in existing building
电梯、自动扶梯和自动人行道 第20部分:电梯施工和安装的安全规则-人员和货物运输用电梯-现有建筑中的新乘客电梯和客货电梯
Identically adopts EN 81 21:2018, specifying safety rules related to new passenger and goods/passenger lifts permanently installed in existing buildings where in some circumstances due to limitations enforced by building constraints, some requirements of EN 81 20:2014 cannot be met. Covers constraints and gives requirements for alternative solutions. Intended to be read and applied in conjunction with EN 81 20:2014.