[Clause 5.1.4.1.(4)(a)] To expand the application of Subsection 5.2.2. to include individual loads that are not mentioned in Sentence 5.1.4.1.(3).
[Clause 5.1.4.1.(4)(b)] To exempt common materials and their installation from having to be structurally designed for individual applicable loads (those that are not mentioned in Sentence 5.1.4.1.(3)) in accordance with Subsection 5.2.2., if there is sufficient evidence of proven past performance over a period of several years.