Beacon & Survey Pillar Estimator
Estimate the number of survey beacons and concrete pillars needed to mark the corners and boundaries of a Nigerian land parcel.
- Corner Beacons
- 4
- Per rectangle
- Beacon Size
- 150 × 150 mm
- Concrete
- Intermediate
- Every 30 m
- Boundary
Formula & Statutory Rule
Formula
beacons = corners + ceil(perimeter / 30)
Statutory Rule
corner_beacons = 4 per rectangle; intermediate = every 30 m; beacon = 150 × 150 mmRegional Benchmark Reference
| Jurisdiction / Tier | Rate or Limit | Statutory Note |
|---|---|---|
| Corner beacons | 4 | Rectangle |
| Beacon size | 150 × 150 mm | Concrete |
| Intermediate | Every 30 m | Boundary |
Frequently Asked Questions
What is a survey beacon?
A survey beacon is a concrete pillar marking a parcel corner, used to define the boundary on the ground.
How many beacons does a plot need?
A rectangular plot needs four corner beacons, plus intermediate pillars on long boundaries.
How far apart are intermediate beacons?
Intermediate beacons are typically placed every 30 metres along a boundary line.
Who sets out the beacons?
A licensed surveyor sets out and coordinates the beacons, and files the survey plan.