Examine structural sub-floor for unevenness, irregularities and dampness that would affect the quality and execution of the work. Do not proceed with the installation until structural floor surfaces are level, clean and dry.

Concrete sealers, if used, shall be identified and proven to be compatible with pedestal adhesive to achieve an appropriate bond to the slab.

Verify dimensions on contract drawings, including level of interface such as abutting floor, ledges and doorsills.