Surveyors' Abbreviations
You might find the following corner descriptions on a plat drawing.
B.R.L. - Building restriction line.
FD - Found
IPF - Iron pipe found
IRF - Iron rod found
L.O.D. - Limit of Disturbance. The area to be cleared, graded, etc.
NPP - Nail in power pole
NTCFP - Nail on top of corner fence post
NTFP - Nail on top of fence post
PK - Point Known
PK nail - A surveyor's nail that marks a survey point. See also hub and tack.
SR - Steel rebar
SRS - Steel rod set (rebar or other steel)
WC - Witness corner