1622 E MARINE VIEW DR BUILDING B 2022-08-29

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: Riverview Apartments-BLDG B Date 12/31/2018 Applicant Info. Company Name: Johnson Braund,Inc. For Building Department Use Provide contact Company Address: 15200 52nd Ave S,Suite 300,Seattle,WA 98188 information for individual who can Applicant Name: Seth Terry respond to inquiries Applicant about information A pp Phone: 206-204-0512 provided. Applicant Email: setht@johnsonbraund.com Project Description 2 New Building ❑ Addition ❑ Alteration ❑ No Envelope Scope Envelope Project Scope ❑ All Commercial ❑✓ Group R-Commercial ❑ Mixed Use-Commercial+Group R Select all that apply. ❑ Semi-heated ❑ Refrigerated Cooler ❑ Refrigerated Freezer ❑ Equipment Building Envelope Description Provide brief description of the project and relevant supporting documentation. 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 E 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 0 New Building ❑ Addition ❑ Alteration ❑ No Envelope Scope Target Insulation Allowance ® Fully Conditioned-Commercial,Group R,Mixed Use Sets the title and calculations in the compliance forms.Selection required 0 Semi-heated 0 Refrigerated Cooler 0 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 @ Prescriptive 0 Component Performance Selection required to enable forms. Component Performance ❑ Change of Occupancy(C503.2)/Conditioning(C505)-10%higher UA allowed Calculation Adjustments ❑ Additional Efficiency Package Option-C406.8 Enhanced Envelope-15%lower UA required Additions 0 Addition stand alone 0 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 s original WWR ❑ Total building WWR increased by alteration Fenestration and Skylight ri Replacement skylights only,or resulting ❑ Total building SRR increased by alteration total building SRR s 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. 3�