1400 W MARINE VIEW DR WATERFRONT PLACE APARTMENTS 2022-08-29

• 4. Dwelling unit ventilation requirements per the International Mechanical Code will be reviewed with the mechanical permit submission. 5. Air barrier testing requirements should be noted on the plans. WSEC Section C402.5.1.2 Construction 1. Wall types D392b (and h) and J382 that each refers to GA File No. WP 7054 requires proprietary 5/8" GWB. The required type should be shown on the wall assembly detail (sheet A630). 2. Wall type E321h/A630 requires resilient channels per GA File No. WP 3245. 3. Wall type E102M/A630 is shown as a two-hour wall, however it references a one-hour listed assembly in GA File No. WP 3661 and should be revised. 4. Floor/ceiling assembly HE1U/A640 separates living space from unconditioned space. An STC of 50 is required per Section 1207. In order to achieve a minimum STC of 50, ICC ESR 1153 Assembly B requires resilient channels (option 1 per Table 6). 5. Roof/ceiling assembly RE1h/A640 requires proprietary Type C GWB per its listing (GA File No. RC 2603) — for installation and inspection purposes, this should be shown on the assembly detail (even if it is in the spec's). 6. The unit demising walls (and corridor walls adjacent to units) on Sheet A630 should be shown to provide a minimum STC of 50. Section 1207 7. The elevator machinery rooms (both buildings) should be surrounded (walls and roof) by minimum two-hour construction. The doors into the rooms should be shown as 90-minute listed assemblies. Section 3005.4 8. The floor/ceiling assembly separating the trash chute discharge rooms from the stories above should be shown as minimum 2-hour listed horizontal assemblies. Section 713.13.4 9. Door S151A into the trash chute discharge room (ground floor) should be shown as a minimum 90-minute assembly. Section 713.13.4 10.The two-hour fire barriers enclosing the trash chute (Detail 16/A440) are interrupted by one-hour floor-ceiling assemblies. That junction is referenced as 16/xA711—which we are unable to locate. The two-hour fire-resistive construction should be shown to continue through the one-hour floor/ceiling assembly. Section 713.5 a. This same condition also applies to stair and elevator shaft continuity. Section 707.5 11.The columns within and outside of the exterior envelope should be shown to have minimum one-hour, fire-restive protection. A detail and listing should be provided. Sections 704.2 &704.10 12. Beams (exterior and interior) that support more than two floors, support more than one floor and a roof, support a load-bearing wall or support a nonload-bearing wall more than (,c?_/(//13 CITY OF EVERETT • 3200 Cedar Street • Everett, WA 98201 • (425)257-8813 • Page 2