NASCLA Accredited Commercial General ContractorMetalsHard
A structural steel detailer is preparing shop drawings for a complex truss assembly. To ensure accurate fabrication and erection, which of the following is a primary responsibility of the detailer regarding bolted connections?
- ACalculating the required bolt diameters and lengths based on design loads.
- BSpecifying the welding procedures for all field welds.
- CDetermining the overall structural analysis and member sizes for the truss.
- DIndicating the size, type, location, and number of all bolts and holes.
Show answer & explanationAnswer & explanation
Correct answer: D. Indicating the size, type, location, and number of all bolts and holes.
The detailer's primary role is to translate the engineer's design into detailed fabrication and erection drawings. For bolted connections, this means clearly showing all specific information about the bolts and holes. The engineer typically performs structural calculations, and welding procedures are specified by the engineer or welding specialist.
Why the other options are wrong
- A. Calculating required bolt diameters and lengths based on design loads is the responsibility of the structural engineer, who performs the design analysis.
- B. Specifying welding procedures is typically the responsibility of the structural engineer or a welding engineer, not the detailer.
- C. Determining structural analysis and member sizes is the core responsibility of the structural engineer, not the detailer.
Steel Detailing Role
The process of creating detailed shop drawings and erection plans for structural steel, translating the structural engineer's design into practical instructions for fabrication and field assembly.
- Produces shop drawings for individual members and erection drawings for assembly.
- Includes all dimensions, connection details, bolt patterns, and welding symbols.
- Requires close coordination with engineers, fabricators, and erectors.
Memory trick: Detailers Draw Everything for Fab and Erection.