10111 9TH AVE W EMERALD COURT APARTMENTS 2024-06-13

Ms. Cassandra Cheatham Kilburn Architects, LLC Plan Check Number: B2208-006, First Building Review August 12, 2022 Architectural General: 1. The construction drawings have information that conflicts with the record drawings for the building available on the City of Everett website. The record drawings should be reviewed and the proposed design revised. See additional comments included in this review letter. 2. Sheet A-0.1 states the occupancy classification as"R-3". The occupancy classification is specified as"R-2 on Sheet A001 of the record drawings. See IBC Section 602.1. 3. Sheet A-0.1 states the building construction type as NB assumed". The construction type is specified as Type NA"on Sheet A001 of the record drawings. See IBC Section 310.3. Fire Protection: 4. The existing bedroom is being converted to additional space for the west lobby. Wall Type "WW2" providing a one-hour rating is specified only at the door infill. The following comments should be addressed: a. The wall type should be specified along all walls separating the dwelling from the lobby. See IBC Section 420.2. b. The drawings should include penetration details for the walls separating the dwelling and the lobby. See IBC Section 714.4. c. Wall Type "W2" indicates an STC rating of 30 to 34. However, the listed assembly GA File No. WP3605 does not indicate this rating. The walls separating the dwelling and the lobby are required to have a minimum rating of 50. See IBC Section 1206.2. 5. The proposed construction will require repair to the horizontal assembly. The assembly requires a minimum one-hour construction. The required construction should be determined based on the configuration of the building, and a detail included in the construction drawings. See IBC Section 420.2 and Table 601. 6. Proposed Plan 2/A-1.1 and the Door Schedule on Sheet A-2.1 specify a new 20-minute rated door between the stair shaft and the West Lobby. In addition, the door appears to be depicted as having a window per the plan. The stairway should be a shaft constructed as fire barriers with a minimum 2-hour rating per IBC Sections 713.2 and 713.4, respectively. The door should have a minimum 90-minute rating per Table 716.1(2). The door is not allowed to have a window unless it complies with the requirements and limits for a vision panel. Egress: 7. The Existing and Proposed Plans on Sheet A-1.1 includes installing a new door between the stairway and West Lobby. The door is located within one foot of the stairs and the north side of the stairs does not show a handrail. The building was originally permitted under the 2012 IBC and required a handrail on both sides; this requirement is still in effect even if the handrail was not installed during the original construction. The required handrail should be specified on 3200 Cedar Street © 425.257.8810 O everetteps@everettwa.gov Everett,WA 98201 425.257.8857 fax everettwa.gov/permits Page 2 of 4