1. Commercial Construction Projects
Chapter 46
Commercial Construction Projects

2. Links for Chapter 46 Types of Drawings Floor Plans Elevations
Site Plans

3. Types of Drawings
Engineer calculations must be specified for the entire structure by a licensed architect or engineer and include:
Statement of the problem
Mathematical solution
Drawing specification
Sketches are sometimes also provided

4. Types of Drawings

5. Floor Plans
Floor plans are provided similar to those on residential drawings
A grid reference systems is used because of the complexity of commercial floor plans
Electrical plans include separate plans for outlets, lighting, schematic diagrams, and exterior equipment

6. Floor Plans Acoustical ceiling tiles require a reflected ceiling plan
Mechanical plans show heating and cooling equipment and duct runs
Plumbing plans are divided into sewer and fresh water plans
Additional details and dimensions are needed

7. Floor Plans
Foundation plans are similar to residential plans, except footings vary in size

8. Elevations Elevations are usually drawn at 1/8” = 1’-0” or smaller
Sections are used as a reference map on commercial drawings
Drawn at 1/4” = 1’-0”
Details are used to explain a specific area of construction

9. Elevations Roofs are typically made of truss and panelized systems
Interior elevations depend on the use of the structure
Restaurants will require more elevations than warehouses or office buildings

10. Site Plans Site plans are similar to residential site plans
Include parking spaces, driveways, curbs, and walkways
Be sure to show water lines and meters, sewer laterals and manholes, and underground electric and communication wires

11. Site Plans
A grade plan shows existing soil and any changes that need to be made to it
Contours are at 1’ and 5’ intervals
Show how water will be diverted from the structure
Plants are shows with their Latin name on the landscaping plan