Question 21 service penetrations (10 marks) (400 words max.) Describe, in your own words, a_H the ways that service penetrations through re resisting construction are able to be protected to comply with the requirements of the DTS provisions of the BOA. You must discuss what each option practically involves and give an example of each (some options may not need examples as they will be self-explanatory). Question 22 fire exits (6 marks) A nightclub is being tted out on the twelfth storey of a multi-storey building. The approved plans for the nightclub show 4 exits provided by way of four re-isolated stairs. Unfortunately, only 3 re doors have been ordered in error. The builder would like to inll the doorway to one of the re-isolated exit stairs so that only 3 exits are provided so that the project is not delayed. Describe the process that you would follow to check whether the building will still comply with the DTS requirements of the BCA with 3 exit doors