2.1 A fire door of marginally larger dimensions
than a fire-tested fire door may be individually assessed and accepted
for a specific project with the same classification, provided all
of the following is met:
-
.1 dimensions (width, height) are not more than
15% above those of the tested door;
-
.2 the surface area of the door is not more than
10% above that of the tested door;
-
.3 the door design does not deviate in any other
aspect from the one tested; and
-
.4 the tested door has successfully satisfied
both insulation and integrity criteria for the following times, as
appropriate:
“B-0”
|
0 min insulation
|
36 min integrity
|
“B-15”
|
18 min insulation
|
36 min integrity
|
“A-0”
|
0 min insulation
|
68 min integrity
|
“A-15”
|
18 min insulation
|
68 min integrity
|
“A-30”
|
36 min insulation
|
68 min integrity
|
“A-60”
|
68 min insulation
|
68 min integrity.
|
2.2 If the door to be approved is larger than
stated above and complies with the size requirements stated under
section 3 below, the test should also include additional instrumentation
as specified in paragraph 3.4.2 below, or equivalent arrangement.