Current through Register Vol. 48, No. 9, September 27, 2024
A. In surveying
work, it is acceptable to employ abbreviations and symbols. When use of such
abbreviations and symbols are necessary, the following are acceptable and may
be employed in land surveying work in South Carolina:
(1) Acres: AC
(2) Acrylonitrile Butadiene ABS
(3) American Society of Photogrammetry and
Remote Sensing: ASPRS
(4) Angle:
Ang
(5) Avenue: AVE
(6) Azimuth: Az
(7) BeiDou Navigation Satellite System:
BeDou
(8) Bench Mark: BM
(9) Catch Basin: CB
(10) Calculated Course(s): CC
(11) Calculated Distance: CD
(12) Corrugated Metal Pipe: CMP
(13) Crimp /Clip/Pinch Top: CT
(14) Curb Face: CF or FOC
(15) Curb Inlet: CI
(16) Curb and Gutter: CG
(17) Chord: CH
(18) Center Line: CL or C/L or CL
(19) Concrete Monument: Con. Mon.
(20) Continuously Operating Reference
Station: CORS
(21) Degree of Curve:
D
(22) Deed Book: DB
(23) Deflection Angle: Defl Ang
(24) Departure: Dep
(25) Ductile Iron Pipe: DIP
(26) Drop Inlet: DI
(27) Drill Hole: DH
(28) Delta Angle: [Delta] or I
(29) Double Meridian Distance: DMD
(30) Easement: ESMT
(31) East: E
(32) Error of Closure: EC
(33) Elevation: EL
(34) Edge of Pavement: EP
(35) Foot: Ft.
(36) Found: Fd. or F
(37) Global Navigation Satellite System:
GNSS
(38) Global Positioning
System: GPS
(39) Global'naya
Navigatsionnava SputnikovavaSistima: GLONASS
(40) Gutter: Gut
(41) Highway: Hwy
(42) Invert Elevation: I.E. or Inv.
(43) Iron Pipe, Set: IPS
(44) Iron Pipe, Found: IPF
(45) Length of Curve: L or Arc
(46) Latitude: Lat
(47) Long Chord: LC
(48) Mag Nail: MN
(49) Magnetic course: MC
(50) Manhole: MH
(51) Mile: Mi
(52) Marker: Mk
(53) Monument: Mon
(54) Nail and Cap: N & C
(55) National Spatial Reference System:
NSRS
(56) New: N or (N)
(57) Not To Scale: NTS
(58) North: N
(59) North American Datum 1927: NAD
27
(60) North American Datum 1983:
NAD 83
(61) North American Vertical
Datum 1988: NAVD 88
(62) National
Geodetic Survey: NGS
(63) National
Geodetic Vertical Datum 1929: NGVD 29
(64) Offset: O.S. OR O/S
(65) Old: O or (O)
(66) On-line Positioning User Service (NGS):
OPUS
(67) Parts Per Million:
PPM
(68) Perimeter: P
(69) Pavement: Pave
(70) PK Nail: PK
(71) Plat Book: PB
(72) Point of Beginning: POB
(73) Point of Curvature: PC
(74) Point of Compound Curve: PCC
(75) Point on Curve: POC
(76) Point of Intersection: P.O.I. or
P.I.
(77) Point of Tangent:
POT
(78) Point of Reverse
Curvature: PRC
(79) Point on
Tangency: PT
(80) Point:
Pt
(81) Polymerized Vinyl Chloride:
PVC
(82) Position Dilution of
Position: PDOP
(83) Private:
Pvt
(84) Property Line:
PL
(85) Radius: R
(86) Reference Point: RP
(87) Railroad: RR
(88) Railroad Spike: RRS
(89) Reinforced Concrete Pipe: RCP
(90) Register of Mesne Conveyance:
RMC
(91) Railway: Rwy
(92) Real Time Kinematic Surveying:
RTK
(93) Real Time Network:
RTN
(94) Rebar: RB
(95) Register of Deeds: ROD
(96) Right of way: R/W
(97) Satellite Receiver for RTK or VRS
Surveying: Rover
(98) Satellite
Receiver Base Station: Base
(99)
South: S
(100) SC State Plane
Coordinate System SPCS
(101) South
Carolina Geodetic Survey: SCGS
(102) Square: Sq
(103) Square Feet: SF or FT2
(104) Street: St
(105) Station: Sta
(106) Stake: Stk
(107) Tangent of Curve: T
(108) Tack: Tk
(109) Traverse: Tra
(110) Track: Trk
(111) US Bureau of Standards: USBS
(112) Vertical: Vert
(113) Vitrified Clay Pipe: VCP
(114) Virtual Reference Station Network:
VRS
(115) West: W
(116) Wood: Wd
(117) Symbols:
(a) Degree: o
(b) Minute: '
(c) Second: "
(d) Foot or Feet: '
C. Definitions: The following definitions and
terminology shall be used in land descriptions:
(1) Boundary Line: Any line bounding an area
or dividing separate properties; adequately dimensioned and described. Such
lines may be straight, irregular, circular, or spiral.
(2) Point of Beginning: A defined, readily
located, and permanent point or monument that is the starting point on a parcel
for a metes and bounds description; and also is the final point of such
description.
(3) Point of
Commencement: A defined, readily located, and permanent point or monument that
is the point to which the Point of Beginning is tied for a permanent
reference.
(4) Convey: The act of
transferring title or rights to a property.
(5) Grantor: A person or party conveying
property or rights to a grantee.
(6) Grantee: A person or party receiving
title or rights to property.
(7)
Title: A written claim or right which constitutes a just and legal cause of
exclusive possession.
(8) Metes and
Bounds Description: A description in which the boundary lines start from a
given point and is described by listing the direction, distance, and
description of corners of the lines forming this boundary; in succession and
adjoining owners.
(9) Description
by Lot Number: A description which identifies a lot or tract of land by
reference to a previously surveyed subdivision plat together with other
pertinent information.
(10)
Recorded: Placed on record in the office of the Clerk of Court, Register of
Deeds or Register of Mesne Conveyance for the county in which all or part of
the land lies.
(11) Coordinate
Description: A description of lands in which the angle points or other points
in the boundary are each referred to by grid coordinates on the South Carolina
State Plane Coordinate System (current Datum) or similar coordinate
system.
(12) Grid Coordinates:
Distances measured at right angles to each other in a rectangular system having
two base lines at right angles to each other.
(13) Survey: The orderly process of
determining data relating to the physical characteristics of the earth, which
may be further defined according to the type of data obtained, the methods and
instruments used, and the purpose(s) to be served.
(14) Boundary Survey: A survey, the primary
purpose of which may include, but is not limited to, the determining of the
perimeters of a parcel or tract of land by establishing or reestablishing
corners, monuments, and boundary lines for the purpose of describing, or
platting or dividing the parcel.
(15) Closing/Loan or Mortgage Survey: A
boundary survey of a parcel or lot which includes all improvements obvious and
apparent found on the property, to be used in the preparation of a mortgage,
loan or deed document.
(16)
Topographical Survey: A survey of the natural and selected man-made features of
a part of the earth's surface by remote sensing and/or ground measurements to
determine horizontal and vertical spatial relations.
(17) Compiled Map: A map drawn from
previously recorded or unrecorded documents, photographic material or tax maps
which represent the general configuration of the parcel where partial or no
actual surveying has been performed by the land surveyor preparing the
map.
(18) Right of Way Survey: A
Survey of any strip or area of land, including surface, overhead, or
underground, for a designated use, such as for drainage and irrigation canals
and ditches; electric power, telegraph, and telephone lines: gas, oil, water,
and other pipe lines; highways, and other roadways, or other similar
uses.
(19) Geodetic Survey: A
survey of areas and points affected by and taking into account the curvature of
the earth using a nationally defined horizontal and vertical datum. Geodetic
surveys may be performed with terrestrial or satellite surveying technology but
must be connected to the coordinate realization of the National Spatial
Reference System (NSRS). All geodetic surveys, both vertical and horizontal, in
the State of South Carolina shall conform to the datums currently supported by
NSRS. Geodetic surveys shall be performed by a surveyor licensed by this
board.
(20) Geodetic Datum: The
recognized horizontal and vertical datum for South Carolina shall be currently
adopted or recognized datum by the NSRS which is maintained by the National
Geodetic Survey.
(21) State Plane
Coordinate System: A map projection that is a mathematical transformation of
latitudes and longitudes on the surface of sphere or ellipsoid representing the
earth to grid coordinates (northing, easting, or y x values) on a plane. The
official coordinate system for surveying purposes in South Carolina is the
South Carolina State Plane Coordinate System. For the purpose of the South
Carolina State Plane Coordinate System, the foot is the International Foot with
one inch being exactly 2.54 centimeters. To convert metric coordinates to the
international feet multiply by 3.280839895.
(22) Hydrographic Survey: A survey having for
its principal purpose the determination of data relating to bodies of water,
and which may consist of the determination of one or several of the following
classes of data; depth of water and configuration of bottom; directions and
force of current; heights and times and water stages; and location of fixed
objects for survey and navigation purposes.
(23) Wetlands Survey: A survey showing the
Wetland Boundaries tied by course and distance to either 1) property corners
that are properly monumented, or 2) project boundaries that have been properly
monumented, or 3) State Plane Coordinates. This shall be done in a manner that
permits future surveyors to readily retrace the wetland boundary. The error of
closure of such ties must be consistent with the land use classification of the
parcel being surveyed as described in section
49-440
Classification of Surveys. Data collection and platting of these types of
wetland boundaries must be performed by or under the direct supervision of a
surveyor. A surveyor may not accept wetlands survey data from non-licensed
individuals who are not under their direct supervision for the purpose of
recording the information on survey plats.
(24) Corner: A point on a land
boundary.
(25) Monument: A shaft of
ferrous metal, concrete, stone or concrete and metal; placed to designate a
fixed point; placed near vertically in the earth; designed for maximum
permanency, placed by a land surveyor to mark corners.
(26) Witness Monument: Any monument that does
not occupy the same defined position as the corner itself, but whose
relationship to the corner is established.
(27) Reference Point: Any defined position
that is or can be established in relation to another defined
position.
(28) Benchmark: A
relatively permanent material object, natural or artificial, bearing a marked
point whose elevation above or below a referenced datum is known.
(29) Plat: A diagram drawn to scale showing
all essential data pertaining to the boundaries and subdivisions of a tract of
land, as determined by a survey and must be signed and sealed by the
surveyor.
(30) Map: A
representation on a plane surface, at an established scale, of the physical
features of a part of the earth's surface, shown by the use of, but not limited
to lines, arcs, signs, alpha numeric characters and symbols.
(31) Map of Survey, Plat of Survey, Survey
for or other Similar Titles: Any drawing of a parcel or tract of real property
used for the purpose of depicting the results of a field survey. Each survey
drawing shall state the type of survey it depicts as defined in this
manual.
(32) Global Navigation
Satellite System (GNSS): Any satellite system which can be used to determine a
precise location on the surface of the Earth. The US system is known as NAVSTAR
Global Positioning System (GPS). The Russian system is known as the Global'naya
Navigatsionnaya Sputnikovaya Sistema or GLONASS. The European Space Agency
system is known as GALILEO.
(33)
Position Dilution of Precision (PDOP): A numerical measure of the predicted
accuracy of a geodetic position determined from GNSS satellites. The term
represents the reliability of the geometry of the satellites with respect to
the receiver location. A PDOP of 3 or less will generally ensure accuracy of
the highest survey quality. A PDOP of 5 or less may be acceptable for most
surveying and mapping projects where the distance between Rover and the nearest
Base station is less than 10KM.
(34) Multipath: Multipath is an erroneous
GNSS distance measurement between a GNSS satellite and either the Rover or
Base. The multipath signal results from the receiver using a signal that has
been reflected off a structure or water surface on its way to the receiver. The
resulting measurement of distance from the satellite to the receiver is
longer.
(35) Base Station: The name
given to a GNSS receiver located over a known point or geodetic control
monument.
(36) Rover: The name
given to a GNSS receiver located over an unknown survey point whose coordinates
are to be determined or checked against known geodetic control.
(37) Static GNSS Survey: A geodetic survey
that uses multiple survey grade satellite receivers each collecting the same
satellite data simultaneously. At least one satellite receiver must be on a
known geodetic control station. The data are post-processed to yield three
dimensional vectors between the known and unknown control stations. Static
vectors solutions yield a "no check" solution and therefore by themselves do
not meet minimum standards without additional independent checks. An expected
relative accuracy of 0.07 foot plus 1:50,000 of the distance separating the
Base and Rover can be obtained dependent on the length of time of simultaneous
observations, the quality of the receivers, multipath and PDOP of less than
5.
(38) Static GNSS Positioning of
Property Corners: If GNSS STATIC survey techniques are used to establish SC
State Plane Coordinates on property corners, the corners shall be positioned
from the nearest two (2) first or second order horizontal control monuments in
the National Geodetic Survey (NGS) data base. Property corners shall be
positioned to a horizontal accuracy of at least 0.07' + 1/20,000 or 0.2 feet
(whichever is smaller) with relation to the nearest NGS horizontal control
monument.
(39) Real Time Kinematic
(RTK) GNSS Survey: A geodetic survey that uses multiple survey grade satellite
receivers each collecting the same satellite data simultaneously. At least one
Base receiver must be on a known geodetic control station and is capable of
transmitting satellite data in real time to other Rover receivers. The data are
processed by the Rovers in real time to yield three dimensional vectors between
the Base and Rover stations. RTK vectors solutions yield a "no check" solution
and therefore by themselves do not meet minimum standards without additional
independent checks. RTK surveys require a site calibration to the NAD83 and
NAVD88 in the vicinity of the survey. An expected relative accuracy of 0.05
foot plus 1 PPM of the distance separating the Base and Rover can be obtained
dependent on the length of time of RTK observations, the quality of the
receivers, PDOP of less than 3, a minimum of 5 GPS satellites, multipath and
quality of the site calibration.
(40) VRS GNSS Survey: A geodetic survey that
uses multiple dual frequency survey grade satellite receivers each collecting
the same satellite data simultaneously. Base stations are operated by the SCGS
and data are streamed to the Rovers via the Internet and processed in real time
to yield three dimensional vectors between the Base Stations and Rovers. VRS
vectors solutions yield a "network check" solution and therefore will meet
minimum standards without additional independent checks. VRS surveys require an
"independent check" by occupying a known geodetic control point in the National
datum in the vicinity of the survey to verify the proper operation of the
Rover. An expected relative accuracy of 0.05 foot can be obtained dependent on
the length of time of VRS observations, the quality of the receivers, PDOP of
less than 3, a minimum of 5 GPS satellites and minimal multipath.
(41) Classification of Geodetic Surveys
(Performed using GNSS Technology)
Type |
Relative Accuracy (95%) |
Max PDOP |
Min # of Satellites |
Site Calibration |
Static |
GNSS 0.07' + 1:50,000 |
5 |
4 |
N |
Property Corner |
Positions 0.07' + 1:20,000 |
5 |
4 |
N |
RTK GNSS |
0.07' + 1PPM dist from Base |
3 |
5 |
Y |
VRS GNSS |
0.07' |
3 |
5 |
N |
All the above Geodetic Surveys will achieve the required
minimum accuracy for Land Surveys
(42) Spatial Data: Information about the
locations and shapes of geographical features and relationships between them,
usually stored as coordinates and topology. Any data that can be
mapped.
(43) Ground Coordinates: A
coordinate system that has its own origin within the region being investigated
and is used principally for points within that region.