描述了对跨行业部门施工模型使用情况的研究，并展示了规划程序（见IR324-2）的开发，该程序展示了一系列行业部门在施工中优越的模型使用情况。

Describes a study of the uses of construction models across industry sectors, and shows the development of a planning procedure (presented in IR324-2) that demonstrates superior model use in construction for a range of industry sectors.