1. Chapter 15 Site Plan Layout

2. Introduction Site plans can be drawn on media ranging in size from 8 ½" × 11" up to 34" × 44" –Depends on purpose –Many local jurisdictions recommend site plans be drawn on an 8 ½" × 14" sheet

3. Introduction (cont’d.) Before beginning site plan layout, you need to find some important information –Often found in: Legal documents for the property Surveyor’s map Local assessor’s office Local zoning department

4. Introduction (cont’d.) Factors that influence site plans: –Sheet size –Plot size –Amount of information required –Amount of detail required

5. Introduction (cont’d.) Additional information determined before site plans: –Legal description –North direction –Existing roads, utilities, water, sewage disposal, drainage, and land slope –Zoning information –Size of proposed structures and elevations

6. Site Design Considerations Factors to consider: –Driveway and lawn slope –Driveway width and turning radius –Room for installations and access to utilities –Easements –Grading rules –Remaining trees –Retaining walls

8. Rural Residential Fire Department Access and Site Planning Standard guidelines: –Road clearances and load capacities –Grade –Dead ends and turnouts –Bridges and culverts –Fire safety zone and firefighter water supply –Property identification –Road coverings in wildfire zones

9. Laying Out Property Lines Many plats have property lines that curve –Radius curve –Length of curve –Delta angle Included angle

10. Laying Out Property Lines (cont’d.)

11. Steps in Site Planning Steps to draw a site plan: –Select paper size –Lay out plot plan property lines –Lay out proposed structure –Complete property lines –Add dimensions, contour lines, and elevations –Complete the plot plan

12. Steps in Site Planning (cont’d.)

14. Site Plan Drawing Checklist Check off items on the list provided in the text as you work on a basic site plan –Site plans for special applications may require additional information Grading plan Subdivision plan Site analysis plan Planned unit development Commercial plan

15. Drawing Contour Lines Contour lines represent intervals of equal elevation –Elevations at points on the ground are recorded in field notes Common methods: –Grid survey –Control point survey –Radial survey

16. Drawing Contour Lines (cont’d.) Grid survey –Divides site into a pattern similar to a checkerboard

17. Drawing Contour Lines (cont’d.)

18. Drawing Profiles

19. Drawing Grading Plans