Skip to content

Survey Mark Reference

Kenya Survey Regulations 1994 — Beacon Symbol Library

Control Marks

PSC— Primary Survey Control
PermanentControlPRIMARY

Concrete pillar with brass plate, established by Survey of Kenya

Primary Survey Control — field photograph
Kenya Survey Regulations 1994, Reg 14(1)
Status variants:
Primary Survey Control — FOUND
FOUND
Primary Survey Control — SET
SET
Primary Survey Control — DESTROYED
DESTROYED
Primary Survey Control — NOT_FOUND
NOT_FOUND
PSC-F— Primary Survey Control (Flush)
PermanentControlPRIMARY

Primary control mark flush with ground surface

Kenya Survey Regulations 1994, Reg 14(2)
Status variants:
Primary Survey Control (Flush) — FOUND
FOUND
Primary Survey Control (Flush) — SET
SET
Primary Survey Control (Flush) — DESTROYED
DESTROYED
Primary Survey Control (Flush) — NOT_FOUND
NOT_FOUND
SSC— Secondary Survey Control
PermanentControlSECONDARY

Concrete pillar or bench mark of secondary order

Secondary Survey Control — field photograph
Kenya Survey Regulations 1994, Reg 15(1)
Status variants:
Secondary Survey Control — FOUND
FOUND
Secondary Survey Control — SET
SET
Secondary Survey Control — DESTROYED
DESTROYED
Secondary Survey Control — NOT_FOUND
NOT_FOUND
TSC— Tertiary Survey Control
ControlTERTIARY

Temporary control mark, iron pin or nail

Tertiary Survey Control — field photograph
Kenya Survey Regulations 1994, Reg 16(1)
Status variants:
Tertiary Survey Control — FOUND
FOUND
Tertiary Survey Control — SET
SET
Tertiary Survey Control — DESTROYED
DESTROYED
Tertiary Survey Control — NOT_FOUND
NOT_FOUND

Boundary Marks

MN— Masonry Nail
DETAIL

Nail in masonry, concrete or rock

Masonry Nail — field photograph
Kenya Survey Regulations 1994, Reg 17(a)
Status variants:
Masonry Nail — FOUND
FOUND
Masonry Nail — SET
SET
Masonry Nail — DESTROYED
DESTROYED
Masonry Nail — NOT_FOUND
NOT_FOUND
IP— Iron Pin
DETAIL

Iron pin driven into ground

Kenya Survey Regulations 1994, Reg 17(b)
Status variants:
Iron Pin — FOUND
FOUND
Iron Pin — SET
SET
Iron Pin — DESTROYED
DESTROYED
Iron Pin — NOT_FOUND
NOT_FOUND
WP— Wooden Peg
DETAIL

Temporary wooden peg for boundary delineation

Kenya Survey Regulations 1994, Reg 17(c)
Status variants:
Wooden Peg — FOUND
FOUND
Wooden Peg — SET
SET
Wooden Peg — DESTROYED
DESTROYED
Wooden Peg — NOT_FOUND
NOT_FOUND
CB— Concrete Beacon
PermanentTERTIARY

Concrete boundary beacon with centre mark

Concrete Beacon — field photograph
Kenya Survey Regulations 1994, Reg 17(d)
Status variants:
Concrete Beacon — FOUND
FOUND
Concrete Beacon — SET
SET
Concrete Beacon — DESTROYED
DESTROYED
Concrete Beacon — NOT_FOUND
NOT_FOUND
IND— Indicatory Beacon
DETAIL

Indicatory beacon (not a physical corner mark)

Kenya Survey Regulations 1994, Reg 18
Status variants:
Indicatory Beacon — FOUND
FOUND
Indicatory Beacon — SET
SET
Indicatory Beacon — DESTROYED
DESTROYED
Indicatory Beacon — NOT_FOUND
NOT_FOUND
RV— Rivet
PermanentDETAIL

Brass or steel rivet in rock or concrete

Kenya Survey Regulations 1994, Reg 17(e)
Status variants:
Rivet — FOUND
FOUND
Rivet — SET
SET
Rivet — DESTROYED
DESTROYED
Rivet — NOT_FOUND
NOT_FOUND

Level Marks

BM— Benchmark
PermanentControlPRIMARY

Permanent benchmark referencing Kenya National Datum

Kenya Survey Regulations 1994, Reg 20(1)
Status variants:
Benchmark — FOUND
FOUND
Benchmark — SET
SET
Benchmark — DESTROYED
DESTROYED
Benchmark — NOT_FOUND
NOT_FOUND
TBM— Temporary Benchmark
ControlSECONDARY

Temporary benchmark for short-term surveys

Kenya Survey Regulations 1994, Reg 20(2)
Status variants:
Temporary Benchmark — FOUND
FOUND
Temporary Benchmark — SET
SET
Temporary Benchmark — DESTROYED
DESTROYED
Temporary Benchmark — NOT_FOUND
NOT_FOUND
FB— Flush Bracket
PermanentControlPRIMARY

Flush bracket on wall or permanent structure

Flush Bracket — field photograph
Kenya Survey Regulations 1994, Reg 20(3)
Status variants:
Flush Bracket — FOUND
FOUND
Flush Bracket — SET
SET
Flush Bracket — DESTROYED
DESTROYED
Flush Bracket — NOT_FOUND
NOT_FOUND

Road & Infrastructure

RN— Road Nail
DETAIL

Nail in tarmac or paved surface

Kenya Survey Regulations 1994, Reg 21
Status variants:
Road Nail — FOUND
FOUND
Road Nail — SET
SET
Road Nail — DESTROYED
DESTROYED
Road Nail — NOT_FOUND
NOT_FOUND
SP— Railway Spike
DETAIL

Railway spike used as temporary mark

Kenya Survey Regulations 1994, Reg 21
Status variants:
Railway Spike — FOUND
FOUND
Railway Spike — SET
SET
Railway Spike — DESTROYED
DESTROYED
Railway Spike — NOT_FOUND
NOT_FOUND

Special

NF— Natural Feature
PermanentDETAIL

Tree, rock face or natural feature used as reference

Kenya Survey Regulations 1994, Reg 22
Status variants:
Natural Feature — FOUND
FOUND
Natural Feature — SET
SET
Natural Feature — DESTROYED
DESTROYED
Natural Feature — NOT_FOUND
NOT_FOUND
FP— Fence Post
DETAIL

Fence post marking boundary corner

Kenya Survey Regulations 1994, Reg 22
Status variants:
Fence Post — FOUND
FOUND
Fence Post — SET
SET
Fence Post — DESTROYED
DESTROYED
Fence Post — NOT_FOUND
NOT_FOUND
WC— Wall Corner
PermanentDETAIL

Corner of permanent wall or structure

Kenya Survey Regulations 1994, Reg 22
Status variants:
Wall Corner — FOUND
FOUND
Wall Corner — SET
SET
Wall Corner — DESTROYED
DESTROYED
Wall Corner — NOT_FOUND
NOT_FOUND

Quick Reference

Control Marks
Blue symbols on plans
Boundary Marks
Black symbols on plans
Level Marks
Green symbols on plans
Destroyed
Red cross through symbol

Quick Compute

Documents & Certificates

Beacon CertificateBillable DocumentsGNSS Observation LogStatutory WorkbookSurvey ReportMobilisation ReportDetail Tolerances

Field Layout

Setting OutMissing LineControl Marks RegisterPile / Column Grid

Leveling

LevelingLevel BookTwo Peg TestHeight of Object

Calculations

Distance & BearingBearingAreaGradient

Traverse & Adjustment

TraverseTraverse Field BookCoordinatesCOGO CalculatorGNSS

Road Design

Road DesignEarthworksHorizontal CurvesTacheometrySuperelevationSight DistancePipe Gradient

Earthworks & Volumes

Cross SectionsBorrow Pit VolumeStockpile Volume

Specialized Surveys

Mining SurveyHydrographicDrone / UAVTopo Drawing ComposerSlope & Area AnalysisGNSS BaselineSurvey Plan Viewer

Engineering

Machine Control ExportProgress Monitor

Data Export

Civil Engineering ExportGIS ExportGCP Export

Reference

Beacon ReferenceKenya Survey StandardsUS Survey Standards

Utilities

Datum Converter