| Defects |
Admission
conditions
|
| Healthy knots |
not considered the through knots
with size up to : 30 mm admitted, on each meter, max. : 3 pieces
with the size of : 31…70 mm
-at edged and semi-selvedged pieces
knots with max. double size, but 50% less in number from those limited
admitted
-at edged pieces, without other
defects, double sized knots are admitted but 50% less in number
-at pieces with length bigger than
3 m, on the piece part which is surpassing this length 1 knot is admitted
additionally with max. size of 80 mm
-at unselvedged pieces, knots on
edges are not considered |
| Unsound knots |
in the place of limited admitted
healthy knots :
- knots with size under 15 mm are
not considered
- max. 3 knots/ 2m size max.70
mm
- double sized knots are admitted
with 50% less in number |
| Shakes |
|
| a.frost shake |
- admitted on both faces max. 3pieces/m
with cumulated length of max. piece‘ s breadth |
| b. ring shake |
- admitted if in their length is
not surpassing 1/2 from piece‘ s breadth and in depth 1/2 from piece' s
thickness |
| c. shallow shake |
- admitted |
| d. unthrough shake |
- admitted on faces and sides if
their cumulated length is under 1/2 from piece' s length |
| e. through shake |
-admitted, on both heads, at pieces
under 24 cm of breadth and shorter than 3 m, with cumulated length
of max. 1+ ½ piece‘ s breadth
-admitted on both heads at pieces
with the length bigger than 3 m, with the cumulated length of max.:2 x
piece‘s breadth
-at pieces with breadth bigger
than 24 cm, admitted at max. 10% of quantity, right shakes, at heads, on
a cumulated length of max. 1/2 from piece‘s length, if from separeted by
shake parts might be obtained by selvedging pieces with min. 8 cm breadth. |
| Hearth |
at selvedged pieces :
- admitted on a face and edge if
the piece doesn‘ t have any other defects
- admitted at semiselvedged and
unselvedged pieces |
| Slope of grain |
- admitted at selvedged pieces
if is not surpassing on each m
100 mm
-not considered at semiselvedged
and unselvedged pieces |
| Inbark |
admitted through, with max. length
of ½ of piece‘ s breadth without surpassing, cumulated with frost
cracks and unsound knots, 3 defects/m |
| Red hearth |
admitted with desintegration traces |
| Other colouration than red hearth |
admitted, if without desintegration
traces |
| Mould and storage stains |
admitted in sporadic appearances
with depth not bigger than 2 mm |
| Sap rot |
not admitted |
| Insect holes |
not admitted |
| Wane |
at selvedged pieces admitted
on both sides, if not bigger than ½ of piece‘s width, provided
that sawn face shall not be under 0,8 from piece' s breadth |
| Simple bow |
admitted if the arrow is not bigger
than 3 mm on each meter of length |
| Spring |
admitted
- at selvedged pieces, if
the arrow/meter of length is not bigger than 20 mm
- at semiselvedged and unselvedged
pieces if the arrow/m of length is not bigger than 40 mm |
| Cup |
admitted if the arrow is not bigger
than :4 mm at pieces with breadth of max. 15 cm; 7 mm at pieces with breadth
over 15 cm |
| Twist |
admitted on each length meter 2,5
mm |
| Coarse cut |
admitted at unselvedged pieces,
with length under 15 cm and with the breadth under ½ from piece
breadth at a single head. |
