3409 FEDERAL AVE 2023-12-07 - Laserfiche WebLink

components should be similarly delineated from existing component that are not being altered. See IRC Section R106.1.1. Architectural: 5. The project may require modifications to the stairs notably for egress from the basement. Details for the construction should be included. The stringers should comply with the joist span tables considering the net depth after notching for steps. The stair rise and run, and width, should be specified. A section showing the headroom clearances should be provided. Landings are required at the top and bottom. Include details for the guards. Handrails should be provided. Structural modifications may be required. See IRC Section R311.7. 6. Handrails should be specified for all stairways. See IRC Section R311.7.8. 7. The bedrooms should have emergency egress openings. The minimum opening dimensions and area, and maximum bottom sill opening height of the floor, should be specified. Structural modifications may be required. See IRC Section R310. 8. Smoke and CO alarms should be provided per IRC Sections R314 and R315. The locations of all alarms should be shown on the plans. The alarms should be hardwired, interconnected, and provided with back-up battery power as required. 9. Insulation should be specified for all exterior walls, floors, slab-on-grade, and ceiling/roof cavities per WSEC Table 402.1.1. 10. 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 at the upper floor. 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 requires a whole house ventilation system per IRC Section R303.4. Show the location on the plans; the fan should not be located inside a closed room. Specify the performance requirements per Section M1505.4. 13. The bathrooms and kitchen should specify exhaust fans including the minimum required performance rates per IRC Table M1505.4.4(1). 14. The house is required to have a heating system per IRC Section R303.9. The type and location of the system should be specified. If the system is new, it should be indicated as such in the drawings. Gas appliances are prohibited in the locations specified in Section G2406. 15. The house is required to have a water heating system per IRC Section R306.4. The type and location of the system should be specified. If the system is new, it should be indicated as such in the drawings. Seismic restraints should be provided per Section M1307.2. Gas appliances are prohibited in the locations specified in Section G2406. 2