Markers

Yasmine Mahmoud – May 2025

Introduction
Control points

Introduction

For our approach to volumetry see the Geo-referentiality section in the Grammar.

Control points

Markers are the preferred method for defining boundaries of loci and baulks. They can then be used as reference points for relays. They are entered by the surveyor in Y01/O/M.

k61 corners: m4354, m4443, m3668, m4244.	k62 corners: m4306, m4307, m3667, m4305.	k63 corners: m4303, m4304, m4243, m4302.	k64 corners: m4300, m4301, m3817, m4299.	k71 corners: m4253, m4254, m3665.	k72 corners: m4252, m3842, m4392, m3840.
k73 corners: m4250, m4251, m4252, m4249.	k74 corners: m4294, m4293, m3833, m3814.	k81 corners: m3671, m3665.	k82 corners: m4413	k83 corners: m4409, m4410.	k84 corners: m4411, m4412, m3830, m3820.