SLIDE 1 John Scarpulla Urban Watershed Planner SFPUC – Wastewater Enterprise
The Living Machine at SFPUC Headquarters
SLIDE 2 On-site Non-potable Water Use at SFPUC Headquarters
Rainwater Harvesting System
- 25,000 gallon cistern
- Reuse for irrigation
- 25 Micron Filtration
- UV (optional)
Living Machine
building’s wastewater
- Reuse for toilet flushing
- 5,000 gpd capacity
2
SLIDE 3
Living Machine Treatment Train
1) Primary Tank 2) Equalization and Recirculation Tanks 6) Reclaimed Water Tank 3) Tidal Flow Wetlands 4) Polishing Vertical Flow Wetlands 5) Disinfection
SLIDE 4
System Placement
SLIDE 5 Primary Treatment Tank
- Wastewater directed to a primary treatment tank
- Contains hydraulically separate trash chamber and settling chamber
Trash Chamber Settling Chamber
SLIDE 6
Primary Tank Photos
SLIDE 7
Primary Tank Photos
SLIDE 8
Equalization and Recirculation Tanks
SLIDE 9
Equalization and Recirculation Tanks
SLIDE 10
Tidal Flow Wetland
SLIDE 11
Tidal Flow Wetland – More Detail
SLIDE 12
Tidal Flow Wetland - Construction
SLIDE 13
Tidal Flow Wetlands
SLIDE 14
Polishing Vertical Flow Wetlands
SLIDE 15
Polishing Vertical Flow Wetlands – Under Construction
SLIDE 16
Polishing Vertical Flow Wetlands
SLIDE 17
Disinfection Equipment
2) 5μ Cartridge Filter 3) Ultraviolet Disinfection 4) Tablet Chlorinator 1) 100μ Screen Filter
SLIDE 18
Operating the Living Machine
SLIDE 19
SFDPH Water Quality Requirements
SLIDE 20
Other SFDPH Safety Requirements
SLIDE 21 Collaboration
Public: San Francisco Department of Public Health & San Francisco Department of Building Inspection. Private: Living Machine Inc. & Aqua Nova Engineering
SLIDE 22 SFPUC On-Site Water Reuse Ordinance
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SLIDE 23 SFPUC Provides Technical Assistance and Financial Incentives
23
Guidebook
- Water Use Calculator
- Grant program
- Project review meetings
http://www.sfwater.org/np
SLIDE 24
Any questions?
John Scarpulla jscarpulla@sfwater.org http://www.sfwater.org/n p
