TITLE 35: ENVIRONMENTAL PROTECTION
SUBTITLE E: AGRICULTURE RELATED WATER POLLUTION
CHAPTER II: ENVIRONMENTAL PROTECTION AGENCY
PART 570 DESIGN AND MAINTENANCE CRITERIA REGARDING RUNOFF FIELD APPLICATION SYSTEMS
SECTION 570.APPENDIX A DESIGN PROCEDURE OUTLINED



Section 570.APPENDIX A Design Procedure Outlined

 

DESIGN PROCEDURE OUTLINED

 

1. Collect Site Specific Data

 

a. Types and Areas (sft) contributing drainage

 

b. Slope of Field Application Area (FAA) Appendix D

 

c. Soil Infiltration Rate (SI) of FAA Appendix C

 

2. Calculate Runoff Volume and Total Drainage Area

 

Working Table in Appendix B

 

3. Settling Basin Design

 

4.5 cft/100 sft of drainage area + 10% extra volume

 

Dimensions from Appendix I

 

4. Field Application Area Design

 

FAA = (VR x 12)/((2 x SI) - 1.69) (square feet)

 

Dimensions from Appendix E

 

5. Calculate Flow onto Field Application Area

 

Flows from Appendix G

 

or

 

Qf = (.0026) (FAA) (gpm)

 

6. Effluent Transport System Design

 

Recommended Designs from Appendix F

 

7. Junction Box Design

 

Recommended Design from Appendix H

 

8. Distribution Manifold Design

 

Recommended Designs from Appendix H