Compare Assemblies Assebly 1 has different materials required for building construction, categorized into Substructure, Shell, Interiors, and Services. It includes specific materials like reinforced concrete strip footing and concrete block wall in the Substructure category; cast-in-place concrete slab, cast-in-place concrete beam, single wythe brick wall, aluminum sliding windows, and birch solid core door in the Shell category; wood partition, exterior sheathing, doors, and flooring materials in the Interiors category; and kitchen sink, bathtub, shower, bathroom, electric water heater, gas vent, packaged chiller, and incandescent fixtures in the Services category. The total cost of all materials and services required for building construction is $177,528.09. Assebly 2 provides a breakdown of the cost estimates for a construction project, divided into four sections: Substructure, Shell, Interiors, and Services. The Substructure section includes one assembly, while the Shell, Interiors, and Services sections include six, six, and five assemblies, respectively. The total cost estimate for the project is $129,618.08, exclusive of overhead and profit costs