Dwelling Survey Requirements

  • Scale of drawing
  • Lot number, block number, and site address
  • Dimensions of the lot and north arrow
  • Location and dimensions of all existing buildings
  • Dimensions of proposed buildings, accessory structures, and accessory buildings with distances to the front, rear, and side property line(s)
  • Location of stakes at the lot corners and offsets related to building setbacks
  • Building setbacks and impervious surface calculations
  • Location and dimensions of any driveways, private sidewalks, patios or other hard surfaces
  • The location and type of all recorded easements, both public and private
  • Existing and proposed two-foot contours across the property
    • Survey elevations, drainage and house design must be consistent with the approved grading plan
  • Spot elevations at the following points:
    • Each lot corner (both existing and proposed)
    • Each building corner
    • Crown of street or top of the curb, whichever is higher, at each lot line extended
    • Proposed lawn and driveway elevations at all sides of the building and along swales
    • Emergency Overflow (EOF) elevations
  • The direction of surface water drainage indicated by arrows and percent of fall including:
    • Arrows depicting general drainage patterns
    • Percent of fall should be indicated for any defined swales, drainage ways, or waterways
    • Percent of fall away from the foundation
    • Slope of driveway
  • Grading to drain surface water away from foundation walls
    • The grade shall fall minimum six inches within the first 10 feet
      • Where lot lines, walls, slopes or other physical barriers prohibit this, drains or swales shall be constructed to ensure drainage away from the structure
    • Impervious surfaces within 10 feet of the building foundation shall be sloped minimum 2% slope away from the building
  • Minimum Floor Elevations and any associated high water levels
  • Proposed retaining walls (Engineering Certification required for walls greater than 4 feet in height)
  • The location of any utilities within the property including invert elevation of drain tile stubs
  • If necessary, location and size of driveway culverts must be shown
  • Existing significant trees (greater than 8 caliber inches) and any proposed trees, as identified on the approved landscaping plan for the development