Table of Contents

Section 1 Scope And General

1.1 Scope

1.2 Application

1.3 Referenced Documents

1.4 Definitions

1.5 Classification

Section 2 Performance Testing

2.1 Type Approval

2.2 Type Testing

2.3 Performance Requirements

2.4 Instrumentation

Section 3 Calculations

3.1 Scope

3.2 Stack Pressure Airflow

3.3 Wind Siphoning Airflow

3.4 Combined Effect

3.5 Nominal Performance

Section 4 Information And Marking

4.1 Product Information

4.2 Marking

Section 5 Test Reports

5.1 General

5.2 Preliminary Information

5.3 Test Information

5.4 Deviations From Standard Test Procedure

Appendices

Appendix A - Purchasing Guidelines

Appendix B - Determination Of Resistance To Leakage During Rain - Type 1 Ventilator

Appendix C - Determination Of Resistance To Leakage During Rain - Type 2, 3 Or 4 Ventilators

Appendix D - Determination Of Discharge Coefficient And Effective Aerodynamic Area

Appendix E - Determination Of Flow Coefficient - Type 2, 3 Or 4 Ventilators

Appendix F - Determination Of Wind Loading Resistance - Type 1 Ventilators

Appendix G - Determination Of Wind Loading Resistance - Type 2 Or 3 Ventilators

Appendix H - Determination Of Wind Loading Resistance - Type 2, 3, Or 4 Ventilators

Appendix I - Means For Demonstrating Compliance With This Standard