Tips
UPDATED
- Tip 420, Solar Energy Systems, was updated with new content, including fire code information and new attachments.
Director’s Rules
DRAFT
- DDR 15-2015, Structural Steel Welder Qualifications, sets the department’s requirements for approval of welders who perform structural steel erection on all projects subject to City of Seattle building permits.
FINAL
- DR 5-2015, Alternate Design for Special Reinforced Concrete, establishes alternate design requirements for using special reinforced concreate shear walls in buildings that are between 240 and 265 feet high.