3615 26TH ST 2025-11-07 - Laserfiche WebLink

4. The project includes removing and replacing the wall coverings on the exterior walls of the house and the ceiling. The extent of the work should be shown in the plans and details included as needed. See Section R106.1.1 and comments below regarding insulation requirements. 5. The project may include replacement of the windows in the bedrooms. The replacement windows should comply with the emergency egress requirements of IRC Section R310. 6. Smoke and CO alarms should be provided per IRC Sections R314 and R315. The locations of all alarms should be shown on the plans. A note should be included requiring the alarms to be hardwired, interconnected, and provided with back-up battery power as required. Alarm clearances should comply with Section R314.3 Item 4 and Section R314.3.1. 7. The project includes installation of a new wood beam. The building section should specify the minimum head clearance of 7 feet. See Section R305.1. 8. The project includes exposing the exterior envelope cavities for the entire building. The building is required to be insulated per WSEC Section R503.1.1. Where required, insulation complying with current code should be provided per Table R402.1.1. Attics should be provided with ventilation baffles per Section R402.2.3. 9. Insulation should be specified for all new exterior walls, floors, slab-on-grade, and ceiling/roof cavities per WSEC Table 402.1.1. 10. The project includes new windows and exterior doors. The required thermal ratings for each type of vertical fenestration should be specified. See WSEC Table R402.1.1. 11. The project involves increasing the conditioned space (i.e., house expansion at NW corner), including removing the wall separating the original 7'x7' area from the conditioned house space. Energy credits are required per WSEC Section R406. The required number of credits should be normalized per Table R406.2. A schedule of the selected credits should be included in the drawings. The performance requirements for the selected credits should be specified. 12. The project involves installation of a new water heater. The type and location of the system should be specified. Seismic restraints should be provided per Section M1307.2. Gas appliances are prohibited in the locations specified in Section G2406. Structural: 13. The proposed project includes significant structural modifications the building, including but not limited to modifying and expanding the building in the NW corner, and replacing interior non-bearing walls with a new beam. Other structural modifications, including but not limited to modifying the exterior wall openings (e.g., Kitchen window, etc.), appear to have occurred. Structural drawings should be submitted that include complete foundation and framing plans for the entire building, sections, details, construction schedules, fastening schedules, materials requirements, general notes, special inspection requirements, etc. The drawings should substantiate compliance for the load path with the prescriptive requirements of the IRC. See IRC Sections R106.1.1 and R301.1. 2