HomeMy WebLinkAboutPPP - Item 6 Presentation 11-02-16 s __
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irvice Area
386 miles of sewers
471 square miles
!a iEaira
185 million gallons per day
2.6 million population
20 cities, 4 special districts A:aEE;:ri�r . . . . .
15 O lift stations La P-lin-
2 4n treatment facilities h
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Resource Recovery
Plant No. 1
Pacific
Ocean n Resource Recovery • '
Plant No. 2
Resource Recovery
Facility
INCOMING water water Primary water Secondary
Industrial Preliminary Y Y
Residential, Treatments Treatment Treatment
and Commercial
a
r
Primary Sludge
water
Solids Secondary
Processing Sludge
GWRS or Ocean
Compost & Land
Application
Barscreen in Operation
(Mechanical System)
1 =
M
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1
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Secondary Treatment
trickling filter and aeration basins
Secondary
AQml �
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it, _
loot
+y
10�01
Effectiveness of Water Treatment
Primary Secondary
Raw Sewage Treated Effluent Treated Effluent
Ann
w IJ l
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G'M
.4
N
Biosolids recycling and recovery process
Primary treatment
Anaerobic digester
Secondary treatment
C--� Trickling filter
l I Not
Primary sludge Secondary sludge
Dewatering operation IN-oft Aeration basins
Biosolids truck loading station
Land application, compost, and landfill
Anaerobic Digester
DewateringOperation
d -y � .57-
I
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P2 Biosolids Storage/Truckloading Station
Methane Gas Recovery Process
T,
Central generation facilit Hot water Boiler
High pressure digester
gas waste flare station
Secondary Sludge
t.
Primary Sludge
Central Engines
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.'Y
PA
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f',
Odor Control Clean Air Foul air Clean Air
Scrubbers
Chemical •Chemical
Pre-Treatment •Physical
•Biological
A
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Foul Air Foul Air
pp,hi F
O 000
[Headworks Primary Secondary Solids
Treatment Treatment Processing
Collections Solids Storage
& Disposal EHI
00
1
2015=16 Operating Expenses 48 Million
Effluent Disposal
2%
CenGe
6%
Odor Control
7%
Secondary
Treatment Solids Production
13% and hauling
53%
Primary Treatment
12%
Preliminary
Treatment
7%
O&M Costs per Million Gallons - $711
Future Flows for GWRS
Current flows to GWRS Current GWRS Production
Water
120 MG/d 93 MG/d
Future Flows to GWRS Future GWRS Production Water
185 MG/d 130 MG/d
Maintenance Efforts
Planned Maintenance Predictive Maintenance
M
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MANAGEMENT n
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Questions ?