Here are some of the abbreviations you’re likely to find on one of our plat drawings. Surveyors who are resurveying a tract will often “find” evidence of earlier surveys and will “set” new markers of their own, which is why F (found) and S (set) are common in many of the abbreviations below.
BRL: Building restriction line
BS: Back sight
CIP: Capped iron pin
Con Mon F: Concrete monument found
EIP: Existing iron pipe
IPF: Iron pipe found
IRF: Iron rod found
IRS: Iron rod set
LOD: Limit of Disturbance. The area to be cleared, graded, etc.
LS: Licensed/Land Surveyor #
MAG: New concrete nails are magnetic and their heads are stamped with MAG on the head so they are easier to find with metal detectors.
N/F: Now or formerly
NPP: Nail in power pole
NTCFP: Nail on top of corner fence post
NTFP: Nail on top of fence post
PC: Point of curvature. The point at which a straight line begins to curve, i.e. the point of tangency to the curve; See PT
PCC: Point of compound curvature. The point where curves of different radii meet
PI: Point of intersection
PK: Point Known, PK Nail
PK Nail: A concrete nail made by Parker Kaelon (stamped PK) that marks a survey point; see also Hub and Tack in Surveyors' Slang.
POB: Point of beginning, the starting point of a survey
PRC: Point of reverse curve, the point in an S-type compound curve where two curves of different polarity meet
PT: Point of tangency, the point at which a curve ends and straight survey line begins; See PC.
R/C: Rod and cap, or rebar and cap
R/W: Right of way
SR: Steel rebar
SRS: Steel rod set (rebar or other steel)
WC: Witness corner