Unless mutually agreed otherwise, cellular glass foundation systems shall provide a minimum safety factor of 3.33 against compressive collapse under normal design conditions, and a safety factor of 2.67 against compressive collapse under seismic loading.These safety factors include a 0.75 [AP-determined] performance effectiveness factor as per CGA/EIGA/AIGA/JIMGA (i.e., CGA P-8.9 Section 5.6.2).3.5.6For alternative insulation system and performance effectiveness factor, testing data per CGA/EIGA/AIGA/JIMGA and report shall be provided to Air Products as part of the mutual agreement determination.