This code implies that all roof materials that pass the testing provided in the ASTM E 108 fire testing under the light category are identified as Class C roof assemblies.
Roof replacements shall comply with Section C402.1.3, C402.1.4, C402.1.5 or C407 where the existing roof assembly is part of the building thermal envelope and contains insulation entirely above the roof deck.
This code implies that all roof materials that pass the testing provided in the ASTM E 108 fire testing under the moderate category are identified as Class B roof assemblies
This section implies that all walls that require waterproofing shall be constructed of concrete or masonry and shall be of structural integrity to withstand hydrostatic pressure and lateral loads.
Floors required to be waterproofed shall be of concrete and designed and constructed to withstand the hydrostatic pressures to which the floors will be subjected