Chapter 180-7 TECHNICAL STANDARDS FOR PROPERTY SURVEYS
In order to assure the public that proper and adequate surveys, maps, plats and writings are executed in connection with property, for whatever purpose, Technical Standards are hereby established. These standards establish the minimum degrees of accuracy, completeness and/or quality in the several areas of concern in order to be considered acceptable.
|(2)||Any description written for conveyance or other purpose, defining land boundaries, shall be complete and accurate from a title standpoint, providing definite and unequivocal identification of the lines or boundaries, and definite recitals as to use or rights to be created through such descriptions. A description shall include the general location of the tract or lot with sufficient accuracy such that the tract can be readily located on the ground. The land lot, district, section, militia district number (in Headright Grant areas), city (if known to be within the city limits) and county shall be called out in said description. Description shall start at a point of commencement and/or a point of beginning that can be readily re-established. The description shall include the names of adjoining subdivision and/or property owners on all lines, as can be determined at the time of commencement of the survey through public records such as the county tax assessor and/or clerk of court records. (A title search is not required for this.) A metes and bounds description shall describe all courses in logical sequence around a tract or lot in a clockwise direction such that the ending point is the beginning point, the exception to this would be a description for a linear easement. The monument at each corner shall be described. All lines adjacent to streets, roads, or other rights-of-way shall be referenced to these and all pertinent distances and curve data shall be listed (arc length, chord length, chord bearing and radius) in addition to the parcel's area. All descriptions, being a form of report, shall bear the land surveyor's name, address, seal and signature.|
Measurements shall be made with instruments capable of attaining the required accuracy for the particular problem involved. Angles and distances shall be measured to obtain an accuracy of not less than 1:10,000 in urban or suburban areas and 1:5,000 in rural areas except as follows:
|(a)|| The allowable positional tolerance of
property corners with respect to each other within a given survey may not be
|(1)||A circuit of levels between precise bench marks or a circuit closed upon the initial bench mark shall not differ more than 0.02 foot multiplied by the square root of the number of miles in the circuit, and in no case to exceed 0.05 foot.|
|(2)||Levels run for control to topographic mapping of a site or project shall have an error of closure of not less than 0.1 foot per square root of the number of miles.|
|(3)||Topographic maps and plats, delineated either by contours or by points with indicated elevation, shall be of such accuracy that no more than 10% of the area covered shall be in error by more than one half (1/2) of the contour interval shown. This degree of accuracy applied to maps and plats prepared from field work and those compiled by photogrammetric techniques.|
|(1)||In order to prevent boundary conflicts, the public must have assurances that the corners of real property boundaries as determined from an accurate survey are durably marked with survey monuments that may be identified on the ground with the aid of the survey plat. In meeting this objective, surveyors must meet the following minimum standards of accuracy, completeness and quality.|
|(2)||The land surveyor shall set monuments as defined herein, unless monuments already exist or cannot be set due to physical obstructions. Said monuments shall be set at all boundary corners. Those monuments that cannot be set due to physical obstructions shall have a reference monument set. Said reference monument shall be referenced on the plat by bearing and distance from the true position of said monument. Also, said reference monument shall be set far enough away from the true corner so as not to be confused with the position of the true corner.|
|(3)||All monuments set shall be composed of a durable material and shall incorporate a ferrous material to aid in location by magnetic locators. Said monuments shall have a minimum length of 18 inches. Longer monuments are required in soils less likely to hold and maintain the true position of the monument. Said monuments composed of solid metal rods shall have a minimum cross sectional area of 0.2 square inches. Concrete, composite or stone monuments shall have a minimum dimension of 3 inches by 3 inches. Monuments placed at land lot corners, district corners or county corners shall if a rod have a minimum diameter of 5/8 inches, a pipe of 1 inch diameter or a concrete or stone monument of not less than 4 inches square.|
|(4)||Every boundary monument set shall be identified with a durable marker or cap bearing the Georgia registration number of the land surveyor in responsible charge or the name of the business entity and/or Certification of Authorization number (COA #).|
|(5)||If a boundary corner falls in a hard surface such as concrete or asphalt; alternate monumentation may be used that is durable and identifiable.|
|(6)||For irregular boundaries such as non-engineered roads, rivers, streams, lakes, beach, etc. a dimensioned meander or survey line may be used. If a meander or survey line is used, monuments shall be set at the meander or survey line's terminus points on real property boundary lines.|
|(7)||All monuments found or placed shall be described on the survey plat. The corner descriptions shall state the size, material and cap identification of the monument as well as whether the monument was set or found.|
|(1)||The use of state plane coordinates may be incorporated in any land survey.|
|(2)||State plane coordinates used and shown on surveys shall meet the requirements of O.C.G.A. Sections 44-4-1 through 44-4-31.|
All maps, plats and similar documents which depict and describe real property boundaries shall comply with all requirements of O.C.G.A. 15-6-67 and conform to the following minimum standards and specifications: The sealing of documents, reports, preliminary subdivision plats, topographic surveys, and other drawings that do not depict and describe real property boundaries shall be subject to Rule 180-12 (Sealing of documents). Preliminary subdivision plats shall state the source of the boundary information shown thereon and also bear a note to the effect that it is a preliminary subdivision plat that has been prepared for the purpose of review and approval, is not to be recorded, and is not to be used to convey property. Topographic surveys shall state the source of the boundary information shown thereon and also bear a note to the effect that the surveyor's certification extends only to the topographic and/or geospatial aspects shown thereon, and that the topographic survey does not constitute a boundary survey and is not to be recorded or used to convey title or interest in the property.
|(b)|| Required Data.
The maps or plats shall have a title or name, and shall also provide the
|(c)||Size. Maps and plats shall be of a size that is commonly available. The map or plat shall be drawn to a scale in feet commonly found on an engineer's scale or to a scale in chains commonly found on a forester's scale. Scans or images created electronically shall be at full size and legible at a resolution of 300 d.p.i., so that future users may be able to plot all or part of the map or plat at full size and resolution. The issue of printed reductions of maps or plats which meet this requirement is allowable.|
|(d)|| Required Content. All maps or plats shall
be made in a professional manner and in accordance with the standards of good
drafting procedures and shall show the following information, as specified:
The Board may initiate action in cases where a person's actions are in violation of the law beyond reasonable doubt.
It shall be acceptable practice to incorporate the use of Global Positioning Systems (commonly known as GPS) equipment into any survey. The precision of all measurements made with such equipment must, at a minimum, meet all other precision standards required otherwise by law or rules under Chapter 180-7. When using GPS equipment in the course of a survey, the Land Surveyor shall state on the face of the plat, or within the report in cases where there is no plat, the following:
|a.||A note stating what portion (or all) of the survey was performed using GPS equipment.|
|b.||The type of GPS equipment used, including manufacturer and model number, and whether single or dual frequency receivers were used.|
|c.||The type of GPS survey that was performed, such as static, real time kinemeatic ("RTK"), network adjusted real time kinematic, etc.|
|d.||A note that discloses the precision of the GPS work done, either in relative positional accuracy, vector closure, or other mathematical expression chosen by the Land Surveyor.|