Foreword to EN 1611-1:1999
Foreword to EN 1611-1:1999/A1:2002
1 Scope
2 Normative references
3 Definitions
4 Rules for grading
4.1 General rules
4.2 Determination of features
5 Tables of rules for grading
Table 1: Grading on two faces - Maximum accepted
values for knots for European spruces,
firs, pines, Douglas firs and larches
Table 2: Grading on four sides - Maximum accepted
values for knots for European spruces,
firs, pines, Douglas firs and larches
Table 3: Grading on two faces or four sides -
Maximum accepted values of other features
for European spruces, firs, pines,
Douglas firs and larches