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2015-0868 Sprouts addition-change of use - Peck Design.pdf City of Edmonds PLAN REVIEW COMMENTS BUILDING DIVISION (425) 771-0220 DATE: August 25, 2015 TO: Jennifer & Graham Gifford jenngifford05@gmail.com FROM: Chuck Miller, Plans Examiner RE: Plan Check: BLD2015-0868 Project: Sprouts addition-change of use th Project Address: 20919 76 Avenue W During a review of the plans by the Building Division for the above noted project, it was found that the following information, clarifications, or changes are needed. A complete review cannot be performed until the revised plans/documents, including a written response indicating where the ‘clouded’ or otherwise highlighted changes can be found on the revised plans, have been submitted to a Permit Coordinator. Reviews by other divisions, such as Planning, Engineering, or Fire, may result in additional comments. On the Notes sheet: 1.General review notes: a.Indicate on the plans the occupancy classification of the existing and proposed structures per the City of Edmonds ‘Tenant Improvement Permit Submittal Requirements’ – see attached. The ages and number of children, along with Chapter 3 of the IBC is used to determine the occupancy classification. b.Indicate on the plans the occupant loads of the existing and proposed structures per the City of Edmonds ‘Tenant Improvement Permit Submittal Requirements’ – see attached. The type of intended use (those most closely matched with IBC Table 1004.1.2) for each of the structures, along with the square footage of each structure, is used to determine the occupant loads. Both of the above should correspond to the operational allowances of the licensed use through the Washington State Department of Early Learning. The current license allows 36 children of ages 12 months to 6 years. 2.Code – Change on the plans the code from IRC to International Building Code (IBC) to reflect that applicable to the proposed use of the structure. 3.2012 IMC – Indicate on the plans the proposed means to be used to provide the required ventilation per International Mechanical Code (IMC) 401.2. 4.Washington State Energy Code (WSEC) a.All Other Roofs – Eliminate the provided information or change it to reflect the requirements of WSEC Table C402.2. b.Opaque Doors – Change the required ‘U-factor’ from ‘0.16’ to ‘0.37’ per WSEC Table C402.2. c.Indicate on the plans the proposed method(s) to be used to comply with the electrical power and lighting systems requirements of WSEC C405. The provided WSEC 2009 ‘Prescriptive Energy Code Compliance for Single Family and Duplex Housing’ worksheet is out-of-date and not applicable to the proposed use. On sheet A1.0 – Site Plan: 5.Site Plan – Clarify on the plans the identification of a uniform 5-foot distance from the existing structure in the southeast corner of the site to the property line. Site plans from prior permitted work appear to indicate that the distance from the south wall of the existing structure to the property line is less than 5 feet, and gets progressively shorter from west to east. The distance between the exterior wall and the property line (known as the fire separation distance) is used to determine the required fire-resistance rated construction of the walls, wall openings, and wall projections per IBC 705. On sheet A1.1 – Parking Plan: 6.Parking Plan a.Indicate on the plans the required marking of the accessible (labeled ‘Disabled’ on the plans) parking space per ICC A117.7-2009 section 502.3. Since there are less than 26 parking spaces required, only one is required to be accessible per IBC Table 1106.1, and it is required to be van-accessible per IBC 1106.5. The access aisle and signage requirements of ICC A117.1-2009 section 502 should also be identified on the plan. b.Indicate on the plans the required exterior accessible route to the areas of the primary function of the facility per IBC 1104. The accessible route includes all exterior walkways, gates, ramps, doorways, and any other means used to provide access to areas/facilities required to be accessible. On sheet A1.3 – New Floor Plans: 7.New Floor Plan a.Eliminate from the plans the wording ‘walled-in carport’ and ‘existing finished detached garage’ used to identify the proposed uses of the represented spaces. b.Identify on the plans the proposed use of each room/space, being mindful of uses similar to those identified in IBC Table 1004.1.2. c.Provide on the plans a detail, and a reference to it, for the required accessible features (horizontal and vertical grab bars, etc.) and their installation criteria (location, reach-range, etc.) for the ‘ADA Bathroom’ per ICC A117.1-2009 chapter 6. There are specifications in the same chapter for facilities primarily for children’s use. d.Indicate on the plans the proposed means to be used to provide the required ventilation for the bathroom and play area per International Mechanical Code (IMC) 401.2. e.Provide on the plans a detail, and a reference to it, indicating the required construction criteria of the one-hour fire-resistance rated wall tested in accordance with ASTM E 119 or UL 263 with exposure from both sides, along the south side of the structure per IBC 705. Page 2 of 4 On sheet A1.4 – Foundation/Framing Plans: 8.Foundation and Roof Framing Plans - Indicate on the plans the required minimum construction of the foundation and wall framing to resist the lateral forces from wind/seismic loads. Typically, a structure regulated under the IBC is required to be designed by a licensed engineer, with calculations provided to support the design. Given the amount of existing structure to be retained, the small amount of new construction, and the construction type of the structure, proposed applicable prescriptive methods of construction of braced walls per International Residential Code (IRC) 602.10 will be considered. An example would be a proposal to use ‘Method ABW: Alternate Braced Wall Panels’ per IRC R602.10.6.1 to resist lateral loads along the west wall of the structure. 9.Roof Framing Plan - Provide on the plans a detail, and a reference to it, indicating the required construction criteria of the one-hour fire-resistance rated roof projection tested in accordance with ASTM E 119 or UL 263, along the south side of the structure per IBC 705. On sheet A1.5 – Sections, Details: 10.Footing/Foundation Detail a.Clarify on the plans the callout for the ½” x 8” j-bolts to be used to connect the sole plate to the thickened slab footing. They do not appear to be long enough to meet the minimum embedment length of 7 inches per IBC 2308.6 while providing a means to attach the sole plate with the required nut and washer. b.Change on the plans the minimum depth below the undisturbed ground surface of the bottom of the footing from ‘1’4”’ to ’18 inches’ per IBC1809.5. c.Indicate on the plans the required minimum concrete slab floor base course per IBC 1805.4.1. d.Indicate on the plans the required dampproofing of the concrete slab floor per IBC 1805.2.1/IBC 1907. e.Indicate on the plans the required minimum R-10 slab insulation per WSEC Table C402.2. f.Indicate on the plans the required minimum construction of the thickened-edge slab footing/foundation to resist the lateral forces from wind/seismic loads. Typically, a structure regulated under the IBC is required to be designed by a licensed engineer, with calculations provided to support the design. Given the amount of existing structure to be retained, the small amount of new construction, and the construction type of the structure, proposed applicable prescriptive methods of construction of braced walls per International Residential Code (IRC) 602.10 will be considered. An example would be a proposal to use the footing/foundation design for ‘Method ABW: Alternate Braced Wall Panels’ per IRC R602.10.6.1 to resist lateral loads along the west wall of the structure. 11.Wall Section a.Change on the plans the required minimum attic insulation from ‘R-38’ to ‘R-49’ per WSEC Table C402.2. b.Indicate on the plans the minimum size and maximum spacing of the exterior wall studs per IBC 2308. c.Indicate on the plans the proposed materials to be used to provide the building with the required weather-resistant exterior wall envelope per IBC 1403.2. Page 3 of 4 A separate permit is required for the proposed removal of exterior stairs and a ramp, and the construction of an exterior ramp, and any other work associated with the adjacent structure indicated on the submitted construction documents for this permit. In addition to the applicable comments listed above for the garage/carport addition and change of use (such as ‘1.a’, ‘1.b’, ‘6.b’, ‘7.b’), the following items should be considered in any proposal for work to be done to the adjacent structure. On sheet A1.2 – As-Built Plans: 12.As-Built Plan – Identify on the plans the use of each room/space, being mindful of uses similar to those identified in IBC Table 1004.1.2. On sheet A1.3 – New Floor Plans: 13.New Floor Plan a.Indicate on the plans the required interior accessible route to the areas of the primary function of the facility per IBC 1104. The accessible route includes all wall openings/doorways and any other means used to provide access to areas/facilities required to be accessible. b.Provide on the plans a detail, and a reference to it, for the required minimum construction criteria of the ramp and the required associated landings, handrails, edge protection, etc. per IBC 1010. Page 4 of 4