March Publication Updates



  • Tip 331B, Hazard Trees, was updated with the new tree fee.


Director’s Rules


  • DDR 9-2018, Clarification and corrections to energy modeling procedures of the 2015 Seattle Energy Code, provides guidance for integrating “high performance heating” provisions and for modeling HVAC systems for multifamily dwelling units. Written comments on the proposed adoption may be submitted through April 9, 2018 to: Director,, Seattle Department of Construction and Inspections, 700 5th Avenue, Suite 2000, P.O. Box 34019, Seattle, Washington  98124-4019.