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Design and Construction Criteria | Midpage
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Virginia Administrative Code
Title 12
5
Chapter 610
Part V
Design and Construction Criteria
591
Overview.
592
Setback distances.
593
Physical features.
594
In-ground systems.
596
Shallow-placed systems.
597
Fill systems.
598
General.
599
Permanent pumping and hauling.
600
General.
610
Definitions.
620
Applicability.
630
Procedures for entry into or withdrawal from a Soil Drainage Management Contract (SDMC).
640
Minimum standards for Soil Drainage Management Plans.
650
Department procedures relating to subsurface soil absorption system applications in SDMC counties and cities.
660
General.
670
Sewage flows.
680
Water saving plumbing devices.
690
Recycle and reuse systems.
700
Site preparation and alteration.
710
Reserve absorption area sites.
720
General.
730
Minimum size.
740
Slope.
750
Materials.
760
Sewer appurtenances.
770
Sewer construction.
780
General.
790
Types.
800
Aerobic biological systems.
810
Anaerobic biological systems.
815
Septic tank design.
817
Maintenance.
820
Miscellaneous.
850
General.
860
Conveyance methods.
870
Gravity effluent mains.
880
Pumping.
890
Siphons.
900
General.
910
Scope.
920
Distribution methods.
930
Gravity distribution.
940
Low pressure distribution.
950
Absorption area design.
955
Drip dispersal.
960
Elevated sand mound.
965
Sand-on-sand.
966
Pads.
970
General.
980
Types.
990
General.
1000
Location.
1010
Design.
1020
General.
1030
Vehicle identification.
1040
Sewage containment vessel (tank).
1050
Pumps.
1060
Valves.
1070
Hoses.
1080
Anaerobic lagooning of septage.
1090
Lime stabilization of septage.
1100
Storage facilities for unstabilized septage.
1110
General.
1120
Location.
1130
Design.
1140
General.
1160
Springs.
1170
Cisterns.
9998
Forms (12Vac5-610).
9999
Documents Incorporated by Reference (12VAC5-610).