1. Chapter 46 Commercial Construction Projects

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

3. 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. 4 Types of Drawings

5. 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. 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. 7 Floor Plans Foundation plans are similar to residential plans, except footings vary in size

8. 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. 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. 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. 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