@toothless They originally did, but those were removed because they were so heavy and people kept hurting themselves on them.
There are some blueprints here: https://irishrailwaymodeller.com/topic/5636-seeking-blueprints-cie-class-8100-dart/
404 on the pdf in the last comment, but the original is still up on irishrail.ie - https://www.irishrail.ie/IrishRail/media/Imported/ie_foi_069_0_16076_0_01_000_00_two_part_electric_suburban_train.pdf