2721 WETMORE AVE MARQUEE APARTMENTS 2023-06-28

Envelope Summary ENV-SUM 2015 WSEC Compliance Forms for Commercial Buildings including R2,R3,&R4 over 3 stories and all R1 Revised Oct 2017 Project Info Project Title: Marquee Apartments Date 0 3/14/2 019 Applicant Info. Company Name: Berona Engineers,Inc. For Building Department Use Provide contact Company Address: 4630 200th St.SW Suite C,Lynnwood WA 98036 information for individual who can Applicant Name: Kathi Shoemake respond to inquiries about information Applicant Phone: (425)744-6033 provided. Applicant Email: kathis@beronaengineers.com Project Description New Building ❑ Addition ❑ Alteration ❑ No Envelope Scope Envelope Project Scope ❑ All Commercial ❑✓ Group R-CommerciL.J Mixed Use-Commercial+Group R Select all that apply. Semi-heated Refrigerated Cooler Refrigerated Freezer Equipment Building Envelope Description New building with 1 below grade parking garage. Street level floor has commercial Provide brief description of the project and spaces, residential lobby and parking garage. Floors 2 through 6 of residential relevant supporting documentation. apartments. If project includes multiple Target insulation Allowance areas,and/or is demonstrating compliance as an Addition+Existing, Alteration+Existing.or Addition+Alteration +Existing project, provide a brief summary of the approach to whole building compliance. Air Barrier Testing Air barrier testing per Section C402.5.1.2 included in project scope Air barrier testing is required for all new ❑ construction projects. Testing criteria is 0.40 Additional Efficiency Package Option-C406.9 Reduced Air Infiltration cfm/ft2 under test pressure of 0.3 inch w.g. ❑ To comply with C406.9,demonstrate that Testing not required. Explanation measured air leakage of building envelope Compliance Documentation Scope and Method Scope of This Calculation E New Building ❑ Addition ❑ Alteration ❑ No Envelope Scope Target Insulation Allowance 0 Fully Conditioned-Commercial,Group R,Mixed Use Sets the title and calculations in the O compliance forms. Selection required Semi-heated Refrigerated Cooler Refrigerated Freezer to enable forms. If project includes more than one Target Insulation Allowance area,and/or if project includes addition and alteration areas complying independently,for each area complete an ENV-SUM form Rows 16-46 and either an ENV-PRESCRIPTIVE form, or ENV-UA+ENV-SHGC forms if demonstrating compliance via component performance. Envelope Compliance Path O Prescriptive ® Component Performance Selection required to enable forms. Component Performance ❑ Change of Occupancy(C503.2)i Conditioning(C505)- 10%higher UA allowed Calculation Adjustments Additional Efficiency Package Option-C406.8 Enhanced Envelope- 15%lower UA required Additions O Addition stand alone O Addition+Existing Addition stand alone-Complete Vertical Fenestration and Skylight Area Calculation.Enter total existing-to-remain wall,roof, vertical fenestration and skylight areas as EXISTING. Enter total addition envelope assembly areas as NEW.If resulting total building WWR exceeds 30%and/or SSR exceeds 5%,refer to C502.2.I and C502.2.2 for prescriptive compliance alternatives.If complying via component performance,complete ENV-UA per instructions for addition stand alone projects. Addition+existing-Complete ENV-UA per instructions for addtion+existing projects. Alterations- ❑ Replacement windows only,or resulting ❑ Total building WWR increased by total building WWR<_original WWR Fenestration and Skylight ❑ Replacement skylights only,or resulting Total building SRR increased by alteration total building SRR_<original SRR WWR and SRR not increased-Vertical Fenestration and Skylight Area Calculation not required. WWR and/or SRR increased-Complete Vertical Fenestration and Skylight Area Calculation.Enter total existing-to-remain wall,roof, vertical fenestration and skylight areas as EXISTING. Enter total altered envelope assembly areas as NEW.If resulting total building WWR exceeds 30%and/or SSR exceeds 5%,refer to C503.3.2 and C503.3.3 for prescriptive compliance alternatives.If complying via component performance,complete ENV-UA per instructions for alteration+existing projects.