Construction
Shop Drawing
Detailed drawings prepared by a subcontractor, fabricator, or supplier showing how a specific component will be manufactured and installed.
What is a Shop Drawing?
A shop drawing is a detailed drawing, diagram, schedule, or other data specially prepared for the work by the contractor or any subcontractor, manufacturer, supplier, or distributor to illustrate some portion of the work.
Shop Drawings vs Design Drawings
- **Design drawings** — show what is to be built (by the architect/engineer)
- **Shop drawings** — show how it will be fabricated and installed (by the contractor)
Common Shop Drawings
- Structural steel detailing
- Precast concrete panels
- Curtain wall and glazing systems
- MEP coordination drawings
- Cabinetry and millwork
- Fire protection layouts
Approval Process
Shop drawings go through a review cycle: contractor prepares, architect/engineer reviews, and either approves, returns for revision, or rejects.
Related Terms
- Construction Blueprint
A detailed technical drawing that shows the design, dimensions, and specifications of a building or structure before construction begins.
- Construction Specification
A written document that describes the materials, workmanship, and standards required for a construction project.
- Submittal
Shop drawings, material data, samples, and product data. Submittals are required primarily for the architect and engineer to verify that the correct products will be installed.
- As-Built
Drawings or models that show the dimensions, geometry, and location of all elements of the work as actually constructed.
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