EN 1611-1:1999/A1:2002

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