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