Regulations 11(4), 13, 16(1) and (5)
Sch. 6
TABLES FOR THE CLASSIFICATION OF PRECISION OF A PLANIMETRIC SURVEY
Table (1) Planimetric Surveys—Linear Precision
|
Error in linear measurement per individual line not to exceed |
|
Proportion |
Parts per million (ppm) |
"v" |
A 1: 20 000 |
50 ppm |
0·050 |
B 1: 10 000 |
100 ppm |
0·100 |
C 1: 8 000 |
125 ppm |
0·125 |
D 1: 6 000 |
167 ppm |
0·167 |
E 1: 4 000 |
250 ppm |
0·250 |
F Any lesser precision | |
Table (2) Planimetric Surveys—Angular Precision
Classification of angular precision |
Error per individual angle not to exceed |
|
"w" |
1 |
5" |
2 |
10" |
3 |
20" |
4 |
40" |
5 |
Any lesser precision |
__________________