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Field Marked Plate

Field marked alteration plates are a type of add-on plate that allows the contractor to mark the alteration and the code under which it was made for a number of common minor alterations. These plates are for 2000 and later codes, not for modernizations.

Field marked existing modernization plates enable the elevator contractor to identify a limited number of basic items modernized on existing elevators under maintenance where complete information about a past modernization is known.These plates are not for new modernizations or for cases where complete historical alteration information is available.