Administrative Code

Virginia Administrative Code
11/28/2022

Article 2. Forms and Agreements

9VAC25-790-990. Portable equipment for sewage pump stations.

Article 2
Forms and Agreements

A. Compliance information. The following information is being provided to demonstrate to the department that the owner* will remain in compliance, after the addition of the proposed pumping station indicated below:

1. Name and location of proposed pump station;

2. Owner of proposed pump station (when placed into operation);

3. Number of pumping stations in owner's sewerage system using portable equipment for continuous operability (existing, approved, plus proposed in this project);

4. Number of portable pumps/generators required:**

a. Maximum number of stations on radial extremity:

b. Five percent of total number of stations (subdivision A 3 of this section):

5. Number of portable pumps or generators*** owned by owner:

Note: *When the proposed pump station will be transferred to city ownership and operation, then this analysis will be made for the city-wide system. If the pump station is to remain under a private owner's control, then the analysis will be performed for that owner's system only.

**The number of portable pumps/generators required is the larger number of either A 4 a or A 4 b of this form.

***Portable equipment, either singly or in combination, shall be capable of operating the largest pump station included in the total for A 3 of this form.

B. Compliance agreement. This agreement certifies that:

1. At the design peak flow the overflow time* is . The owner certifies that his standard response time** as detailed in his current service area response plan for a station at the proposed location is shorter than the overflow time noted above.

2. This station and associated portable equipment will be maintained and operated in accordance with the owner's approved operation and maintenance program.

Name

Title

Date

Note: *Time transpiring between high liquid level alarm and the time that an overflow or backup and subsequent discharge occurs (to be determined at peak design flow).

**Time transpiring between high liquid level alarm and connection and starting of portable equipment.

Statutory Authority

§ 62.1-44.19 of the Code of Virginia.

Historical Notes

Former 12VAC5-581-1050 derived from Virginia Register Volume 18, Issue 10, eff. February 27, 2002; amended and adopted as 9VAC25-790-990, Virginia Register Volume 20, Issue 9, eff. February 12, 2004.

9VAC25-790-1000. General jurisdictional responsibilities for sewerage systems connections.

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:

A. Gravity sewer:

1. Building with flow by gravity:

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

B. Pump within building:

1. Building with Pumped flow:

P—Pump within the building served.

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.

C. Pump remote from building

1. Building with remote pumped flow

P—Pump separate from the building served.

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.

D. Central pressure or vacuum system

1. Building with pump or remote vacuum valve.

*P—Pump may or may not be provided.

—Shows vacuum valve in service connection.

2. Jurisdiction: Sewage Collection and Treatment Regulations.

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

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. 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).

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

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.

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