9820 18TH AVE W 2025-08-20 - Laserfiche WebLink

2022-08-04 FAC Systems INC. (Responses in PURPLE) Responses make reference to structural calculations (dated 2022-07-26) and drawings (dated 2022-08-04) prepared by •FAC Systems .INC. Plan Check Number: B2202-072, First Building Review March 11, 2021 General 1. The submitted construction drawings state an address of"9880 18th Avenue W". The correct house number of"9820"should be stated. Note that the address is not stated on the site plan. See Section R106.1.1. Address updated and stated on site plan on sheet 1 of (FAC) drawings . 2. The construction drawings appear to have incorrect detail references and missing details. The drawings should be revised for clarity. See Section R106.1.1. se see updated swings with details by (FAC) (sheets 6-8) . 3. The construction drawings should include building elevations and sections through the proposed garage addition. See Section R106.1.1. Build .:� is prepared on sheet 1 . 1, and includes Architectural provisions for dwelling-garage separation . Also, on sheet 4 elevations for proposed 1. The project should specify the applicable building codes, including but not limited to the 2018 IRC, 2018 WSEC, and the 2018 IBC. See Section R106.1.1 and EMC Section 16.005.030. Building codes 1i,st(_-H on sheet 1 under buildi;. data 2. The site plan indicates a minimum 5-foot clearance (i.e., fire separation distance) between the south property line and the proposed garage wall. The FSD will need to be verified by a survey. If the FSD is less than 5 feet, fire-rated construction for the south wall is required per Table R302.1(1). Please reference survey attached to (FAC) drawings on sheet "1 . 01" . 3. The garage side of the existing wall is required to have a layer of minimum 1/2-inch GWB. The table included with the "Main Floor Plan" is not sufficient. The requirement should be specified in the appropriate detail for this wall. See Table R302.6. Dwelliily �d.r�. yparation information provided on sheet 1 . 1 . 4. The drawings do not clearly indicate if the underside of the roof trusses will be covered. If covered, the drawings should specify the following: 5. Ventilation requirements of Section R806 and WSEC Section R402.2.3. Include a calculation for the minimum required ventilation area in the drawings. The vents should be equally distributed between the roof eaves and ridge, and around the building perimeter. 6. The attic spaces should be provided with access openings per Section R807. vent 1atinn calculations provided on sheet 1 . 1 and specified on secitons . Structural Attic access specified on roof framing plan. 1. The project includes structural work that does not comply with the prescriptive limitations of the IRC. A structural design is required per Section R301.1.3. Structural drawings and calculations should be prepared by a professional engineer licensed in the state of Washington; the drawings and calculations should bear the seal and signature of the engineer. See RCW Sections 18.43.010, 18.43.020, and 18.43.070. Non-prescriptive work includes but is not limited to: a. The building wall heights exceeds the maximum height of Section R301.3 Item 1. b. The spacing of the braced walls in the east-west direction exceeds the maximum limit of 25 feet per Table R602.10.1.3. c. The east and west braced walls appear intended as Type "PFH" portal frames per Figure R602.10.6.2. The proposed construction exceeds the limits for this braced wall type, including but not limited to the maximum height. Reference (FAC) calculations & updated drawings & details on sheet 6 include provisions for balloon wood framed walls .