FIRST•Commercial non-LWR in over40 years•US Gen-IV commercial sodiumfast reactor•Use of functional containmentfor commercial power reactorKemmerer Unit 1 ConstructionPermit ApplicationKemmerer Unit 1Safety and EnvironmentalReviews CompleteStaff review completed in18 months,9 months ahead of schedule and11% under budgetFirst fully risk-informed,performance-based licensingbasis using LMPStreamlined environmentalreview resulting inone-thirdthetypical documentationStreamlined review bymanagement and ACRScompleted in only 3-months