1. A. Gravity sewer:

   1. 1. Building with flow by gravity:

      

   2. 2. Jurisdiction: Uniform Statewide Building Code (Code).

2. B. Pump within building:

   1. 1. Building with Pumped flow:

      

      P—Pump within the building served.

   2. 2. Jurisdiction: Code when pumped flow is less than 2000 GPD. Sewage Collection and Treatment Regulations when pumped flow is equal or greater than 2000 GPD.

3. C. Pump remote from building

   1. 1. Building with remote pumped flow

      

      P—Pump separate from the building served.

   2. 2. Jurisdiction: Sewage Collection and Treatment Regulations when pumped flow is equal to or greater than 2000 GPD. Code when pumped flow is less than 2000 GPD.

4. D. Central pressure or vacuum system

   1. 1. Building with pump or remote vacuum valve.

      

      *P—Pump may or may not be provided.

      —Shows vacuum valve in service connection.

   2. 2. Jurisdiction: Sewage Collection and Treatment Regulations.

5. E. Gravity or pumped flow to an on-site disposal system.

   1. 1. Building served by on-site pretreatment units and drainfield (may or may not be provided) or other subsurface disposal.

      

      P*—Pump that may or may not be provided.

      PT*—Pretreatment may be provided.

   2. 2. Jurisdiction: Code applies to building service connection and pump if provided. Sewage Handling and Disposal Regulations applies to building sewer and on-site disposal system (alternative discharging systems subject to separate regulations).

      1. i. Building drain (up to 5 feet beyond foundation of building or structure)

         ii. Sewage pump (grinder or nonclogging type)

         iii. Building sewer or force main

         iv. < v >Vacuum valve for vacuum system

      2. v. ¦ PT ¦ Pretreatment units including septic tanks, aerobic package plants, constructed wetlands, etc.

      J.2 The following notes explain symbols used in the diagrams:

The following diagrams illustrate variations in sewer service connections and indicate the regulation jurisdiction (Uniform Statewide Building Code, Sewage Handling and Disposal Regulations, and the Sewage Collection and Treatment Regulations) for review and approval for construction and operation:

Statutory Authority

§ 62.1-44.19 of the Code of Virginia.

Historical Notes

Former 12VAC5-581-1060 derived from Virginia Register Volume 18, Issue 10, eff. February 27, 2002; amended and adopted as 9VAC25-790-1000, Virginia Register Volume 20, Issue 9, eff. February 12, 2004.