REVIEWING STRUCTURAL SHOP DRAWINGS

The first step in reviewing shop drawings is to ensure they align with the original design drawings, including:

• Dimensions and details: All dimensions should match those specified in the structural design drawings.
• Materials: Ensure that the specified materials (e.g., steel grade, concrete mix) are correctly identified.
• Load capacity: Confirm that the connections, beams, and other elements are designed to handle the intended loads.
• Structural components: Ensure that elements like beams, columns, and foundations are correctly represented.

Shop drawings are used to guide the fabrication of structural components. It’s important to check:

• Material specifications: Ensure the right materials are specified, including steel grades, weld types, and rebar sizes.
• Welding and bolting details: Check the specifics of welding patterns, bolt sizes, and bolt placement to ensure accuracy.
• Reinforcement detailing (for concrete): Verify rebar sizes, spacing, and the placement of reinforcement in concrete elements.
• Fabrication dimensions: Ensure that the dimensions provided for fabrication are accurate and within tolerances.

Connections are often the most critical part of a structural design. In reviewing shop drawings, confirm that:

• Connection types: The correct type of connection (e.g., welded, bolted) is used for each joint or connection, as specified in the design.
• Connection sizes: Ensure that the sizes of bolts, welds, and other fasteners are correctly specified.
• Detailing and geometry: Ensure the connection detailing, such as angles, plates, and member alignments, follows the design and works within the available space.

Ensure that the shop drawings comply with relevant local and international standards and codes, such as:

• AISC (American Institute of Steel Construction) for steel structures.
• ACI (American Concrete Institute) standards for concrete reinforcement.
• Seismic and fire safety regulations.
• Local building codes and regulations.