【求助】How to Translate the following passage?

楼主自己先翻译一下，我们会帮助你。

if,as a result of a load case that has occurred at a junction made by a weld bead, it is not necessary to calculate the corner weld, the approximate formula to be applied to determine the weld bead thickness is as follows.....
如果， 在连接处焊缝出现载荷，不必要计算焊接角，检测焊缝厚度的大致公式如下：…………

1.2.the "welding checking" may act, only within the scope of these checking instructions, as a competent department in the meaning of the DIN8563 and of the EN25817.

“焊接检查“可能只在那些检测指示的范围内进行， 如DIN8563 和 EN25817中的法定机构.

if,as a result of a load case that has occurred at a junction made by a weld bead, it is not necessary to calculate the corner weld, the approximate formula to be applied to determine the weld bead thickness is as follows.....
在焊缝节点（焊接接头）出现荷载的情况下，不用计算（考虑）角焊（角焊缝），计算（确定）焊缝厚度的近似公式如下：…………

In general practice, the quality of weld at critical structure should be checked by competent person/department in accordance with certain Standard (such as DIN8563 or EN25817), but there are exceptions or alternatives.

Clause 1.2 may be an alternative, i.e. 执行“welding checking” 可等同“competent department”, 但“welding checking”不能超出“checking instructions”所规定的范围(scope). 这是我根据may act as 来理解的, 如有上下文可能有不同的理解。

为什么？这个等同不明白
没有上下文