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The site plan shall be to an engineer scale (i.e. 1 inch = 10 feet, 20 feet, 30 feet, 40 feet, etc) and include the following documentation: 

1. The location and dimension of all property lines and the total area of the site. The plan shall also depict the property corner pins. Property lines and corner pins shall be verified by a certified survey, prepared by a Minnesota licensed land surveyor. An existing plat may be used as a certified survey provided all property corner pins are verified by a licensed land surveyor for the original dwellings.
   
   Property corner pins shall be visible at the time of the inspections. Building inspectors shall confirm property corner pins and boundaries on site.
2. The location, dimensions, and total area of existing structures (houses, garages, decks, storage sheds, porches, retaining walls, etc.).
3. Front, Side and Rear Yard Setback information for existing and proposed structures (distance from the foundation of the structure to the front, rear, and side property lines).
4. The location, dimensions, floor area, type of construction, and use of each proposed addition, fence, building, or structure. New single-family dwelling site plans shall depict potential areas of future development such as additional garage space, decks, or porches.
5. The location and purpose of any existing or proposed easement (i.e. drainage, utility, parking, etc.).
6. The general drainage plan for the development tract along with elevations of the top of foundation wall (minimum of 6-inches above grade), drainage away from foundation wall at a minimum of 6-inches in ten feet, and the top of the foundation wall shall be a minimum of 12-inches plus 2% above the street gutter. Review code sections in IRC.
7. Significant topographical or physical features of the site (i.e. trees, ravines, wetlands, etc.).
8. A certificate of Survey signed by a Minnesota licensed land surveyor will be required for setback requirement variances.

The City of Mankato does not provide surveying services. A Minnesota licensed land surveyor shall sign all surveys. Licensed land surveyors can be found in the yellow pages under “surveyors-land”.