|
Separation by a cofferdam having dimensions as required for ready access between
category A machinery space and the space containing emergency source of power and
its associated equipment as stated above without extension beyond the boundaries.
Any contiguous lines between these spaces at the corner of the cofferdam is to be
insulated to A-60 for a length of 450 mm (18 in) at the category A machinery space
side.
-->
图上面说的Cofferdam是什么意思? |
|