Changes

=='''Station 2 – Modulating Control Valves'''==

=='''Station 2 – Modulating Control Valves'''==

The key mechanisms for the SBR’s ability to hold water are the modulating control valves installed on the third floor. The SBR roof drains are configured with valves that stop drainage from occurring.

The key mechanisms for the SBR’s ability to hold water are the modulating control valves installed on the third floor. The SBR roof drains are configured with valves that stop drainage from occurring.

[[File: Roof-Leader-Set-Up-v1.PNG | left | Modulating control valves stop the flow of rainwater to the basement cistern when they are closed. Rainwater that spills into the emergency overflow pipe bypasses the valves, altogether. (Photo Source: CVC, 2023)]]

[[File: Roof-Leader-Set-Up-v1.PNG | thumb | left | Modulating control valves stop the flow of rainwater to the basement cistern when they are closed. Rainwater that spills into the emergency overflow pipe bypasses the valves, altogether. (Photo Source: CVC, 2023)]]

=='''Station 3 – Third-Floor Treatment System'''==

=='''Station 3 – Third-Floor Treatment System'''==

*'''UV Lamp:''' Disinfects rainwater by sterilizing bacteria and viruses with UV radiation. Note that UV disinfection does not have any residual effect that can be harmful to humans or aquatic life.

*'''UV Lamp:''' Disinfects rainwater by sterilizing bacteria and viruses with UV radiation. Note that UV disinfection does not have any residual effect that can be harmful to humans or aquatic life.

*'''Chlorine Pump:''' Provides a chlorine residual of 0.5 mg/L that can ensure that rainwater on the roof surface is protected from recontamination.

*'''Chlorine Pump:''' Provides a chlorine residual of 0.5 mg/L that can ensure that rainwater on the roof surface is protected from recontamination.

[[File: Rooftop-Treatment-System-v2.png | The recirculation treatment system ensures that the rainwater held on the top of the building does not experience any water quality issues. (Photo Source: CVC, 2023)]]

[[File: Rooftop-Treatment-System-v2.png | thumb | left | The recirculation treatment system ensures that the rainwater held on the top of the building does not experience any water quality issues. (Photo Source: CVC, 2023)]]

=='''Station 4 – Basement Cistern and Treatment System'''==

=='''Station 4 – Basement Cistern and Treatment System'''==

*'''Chlorine Pump:''' Provides a chlorine residual of 0.5 mg/L that can ensure that rainwater is protected from recontamination in the distribution line or when supplied to the toilets.

*'''Chlorine Pump:''' Provides a chlorine residual of 0.5 mg/L that can ensure that rainwater is protected from recontamination in the distribution line or when supplied to the toilets.

*'''Agitator:''' Mixes the newly introduced chlorine solution into the treated rainwater.

*'''Agitator:''' Mixes the newly introduced chlorine solution into the treated rainwater.

[[File: Basement-Treatment-System-v1.PNG | The basement treatment system treats rainwater from the cistern on its way to the toilets in Building A. (Photo Source: CVC, 2023)]]

[[File: Basement-Treatment-System-v1.PNG | thumb | left | The basement treatment system treats rainwater from the cistern on its way to the toilets in Building A. (Photo Source: CVC, 2023)]]

=='''Station 5 – Programmable Logic Controller'''==

=='''Station 5 – Programmable Logic Controller'''==