F.10.2 External Structure

F.10.2.1 The Floor or Bottom must be made from one of the three:

• a. Steel 1.25 mm minimum thickness

• b. Aluminum 3.2 mm minimum thickness

• c. Equivalent Alternate / Composite materials ( F.4.1, F.4.3 )
  

F.10.2.2 Vertical Walls, Covers and Lids must be made from one of the three:

• a. Steel 0.9 mm minimum thickness

• b. Aluminum 2.3 mm minimum thickness

• c. Equivalent Alternate / Composite materials ( F.4.1, F.4.3 )
  

F.10.2.3 The accepted methods of joining walls to walls and walls to floor are:

a. Welding

• Welds may be continuous or interrupted

• If interrupted, the weld/space ratio must be 1:1 or greater

• All weld lengths must be greater than 25 mm
  

b. Fasteners
Combined strength of the fasteners must be Equivalent to the strength of the welded joint (F.10.2.3.a  above)

c. Bonding

• Bonding must meet F.5.5

• Strength of the bonded joint must be Equivalent to the strength of the welded joint ( F.10.2.3.a above )

• Bonds must run the entire length of the joint
  
  

F.10.2.4 Covers and Lids must be attached within amiimum of one fastener for each external vertical wall per section.

Explanation