How is steel generally grouped in an estimate?

Steel is generally grouped in an estimate by grade, section type, and connection method because these categories significantly affect the specifications and structural requirements of the project.

Grade indicates the material properties and strength of the steel, which is crucial for ensuring that it can handle the loads and stresses it will encounter in construction. Different grades have varying yield strengths, so it is essential to specify the correct grade for safety and performance.

Section type refers to the shape and dimensions of the steel components, such as beams, columns, or plates. Each section type has unique design characteristics that determine how it fits into the overall structure and how it is analyzed for load-bearing capabilities.

Connection method involves how different steel elements will be joined together in the construction process. This can include methods such as welding, bolting, or riveting, each requiring different considerations in terms of labor, time, and costs.

Therefore, grouping steel by these criteria allows for more accurate quantity takeoffs, cost estimation, and planning during the construction process. It ensures that the correct materials and methods are specified, ultimately supporting the integrity of the building project.