REPORT NUMBER: 
ISSUE DATE: 
PAGE: 
FR10430-001 ISSUE 2 
1 June 2023 
17 of 21 
THE LEGAL VALIDITY OF THIS REPORT CAN ONLY BE CLAIMED ON PRESENTATION OF THE COMPLETE SIGNED PAPER REPORT.  
EXTRACTS OR ABRIDGMENTS OF THIS REPORT SHALL NOT BE PUBLISHED WITHOUT PERMISSION FROM BRANZ LTD. 
 branz.nz | 1222 Moonshine Rd, RD1, Porirua 5381, Private Bag 50 908, Porirua 5240, New Zealand ǀ Phone +64 4237 1170 ǀ branz@branz.co.nz 
3.7 
Test Observations 
Observations related to the performance of the specimen were at the times stated in minutes 
and seconds. 
U = Observations from the unexposed face. 
E = Observations from the exposed face. 
Table 2: Test Observations 
  
Time 
(Min:Sec) 
Test 
Face 
Observations 
00:00 
- 
Test commences. 
10:00 
U 
Smoke issue commences from the head of the specimen. 
30:00 
E 
The panel joints remain tight on the exposed face. No significant visible 
change on the unexposed face. 
40:00 
U 
A slight rippling of the steel sheet at the top left corner on the unexposed face 
is visible. 
50:00 
E 
The panel joints remain tight on the exposed face. 
60:00 
- 
The specimen continues to satisfy all of the test criteria. 
64:00 
U 
Discolouration of the steel sheet adjacent to the left hand side panel joint 
adjacent to thermocouple 64 is occurring, 
72:10 
U 
Roving thermocouple applied to area of discolouration visible at the panel joint 
adjacent to thermocouple 64, 200oC recorded. Maximum rise Insulation 
failure is deemed to have occurred. 
73:00 
U 
The left hand panel joint where the Insulation failure occurred is beginning to 
open up slightly. 
90:00 
- 
The specimen continues to satisfy the Integrity criteria of the test. 
95:00 
U 
Roving thermocouple applied to area of discolouration visible at the panel joint 
adjacent to thermocouple 64, 285oC recorded, cotton pad applied but did not 
ignite. 
110:00 
U 
The left hand panel joint has opened up to approximately 4 mm wide. 
120:00 
- 
The specimen continues to satisfy the Integrity criteria of the test. 
122:00 
- 
Test discontinued at the request of the client. 
 
 
 
 
 
 
 
 

View this content as a flipbook by clicking here.