First of all, I want to say if you have some standards, you can share them with me, so that this website can help more people in need.
Well,now  i will share BS ISO 21885:2019.The title of the standard is Ships And Marine Technology—Testing Specification For Stairsteps Using Electrical Resistance Trace Heating.
BS ISO 21885:2019 specifies a test method to assess the performance of stairsteps using electrical resistance trace heating to provide anti-icing in low temperature environments, when installed for exteriorep applications.
5.1 Test purpose
The purpose of the test is to evaluate whether or not the heated equipment is capable of preventing the formation of ice and can operate (function) properly when subjected to low temperature operating conditions.
5.2 Test facility requirements
a) The test facility shall have the ability to maintain the specified temperature within the permissible range indicated in 5. 3. 2, in the available volume.
b) The wind generated by the refrigerating machine installed inside the cold chamber shall not affect the specimen.
c) A wind speed control system installed inside the cold chamber shall allow to generate a wind at constant speed.
NOTE: A test specimen installation method will be given with each equipment.

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