Consequently, in addition to the basic symbol under (a), an additional sketch showing either fillet weld
(b) or (c) – as applicable – must be shown on the drawing. Only then will complete information be
provided for an error-free interpretation at the time of welding. Such clarifying sketches may not
always be necessary, although they may be considered.
The effective throats of unequal leg fillets are discussed previously.
3.18.6 Intermittent Fillet Welds
There are three types of intermittent fillet welds, although the first one is inherent in the remaining two:
1) basic intermittent fillet welds, applicable to a single line of fillet welds (Example 18)
2) staggered intermittent fillet welds (Example 19)
3) chain intermittent fillet welds (Example 20)