12 x 60 Hygiene Double Sided Model 1 (Do Not Use) Restroom/Shower Building Design Foundation Plan Restroom/Shower Approved Drawings 12 x 90 Hygiene Single Sided Model 3 Hygiene Trailer - State Certified Design Calculations for Hygiene Trailer Modular Restroom Foundation Design Design Calculations for Hygiene Foundation Hygiene Foundation Plans - Signed Imperial HWY Hygiene Unit