HomeMy WebLinkAbout97.Item 5 PPP Administration Committee 3-8-17_Collections_Ops_Maint.pdf �i 'iY1l. . ].ram' , ��•�:� � '+,I
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ti Y ♦All
Orange County Sanitation District
Operations & Maintenanc
OCSD Service Area
396 miles of sewers ri.y
471 square miles
185 million gallons per day
2.6 million population
15 O pump stations
2 S treatment facilities :
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Reclamation
Plant No. 1
Pacific
Ocean Treatment
Plant No. 2 `ti\
Wastewater Collection System
® Private
■■ � Lateral
�.
u r■
Manhole
...... .. ..
�• City OCWD
Ma
nhole y GWRS
Local Sewer
Ocean
Outfall
reatment
OCSD Plants
Regional Trunkline
Collections System
Asset Replacement Value = $3 . 0513
Pipes Pipes & MHs 90%
Structures 9%
' A All
Mechanical 1 %
.,,,,L ' illion Electrical <1 %
■ Instrumentation <1 %
(2012 Dollars)
Sewer Pipelines Owned and Operated by OCSD
Regional trunklines
Up to 10 ft diameter
Orange County
Sanitation District (OCSD) Pacific Quality Partners (PQP)
Trunklines and Diversions Brea RV Storage
Yorba Linda Spur
Ferrous Chloride Odor Control Station
it Hager-Pacific I (Siphon Treatment) 1
Buena Park
Bio Scrubber
Ferrous Chloride
Po= FerrousChloride —
2 -" Garden Grove Tiffany Used in Gravity Trunks
s Calcium Nitrate
Seal Beach Ps Magnesium Hydroxide —
Magnesium Hydroxide Midway City SD - Used in Force Mains
t� Knott Ferrous Chloride i
• � Calcium Nitrate —
Il? Used in Force Mains
Caustic (Sodium Hydroxide) —
L Magnesium Hydroxide
Street r oxide(Backup) Used for batch dosing
`w Baker-Main
v
p' IRWD Michelson WWTP
®� I
' Ferrous CWN
.oa•�.
—_ Bay Bridge PS -
Magnesium Hydroxide
& Calcium Nitrate
_
Crystal Cove PS A
Calcium Nitrate N
OCSD Odor Control Chemical Dosing Locations
Civil/Structural , Mechanical
Electrical & Instrumentational Assets
Sp y
Civil Assets Include:
Process Concrete,
^ � I Metallic Structures and
Piping
fw
in
V
1
Maintenance Efforts
Corrective Planned Predictive
Maintenance Maintenance Maintenance
� XIMOASSE{d-
MGNAOEh T 1 r
Collections Equipment
Cleaning Methods
ti
Waste Resource Recovery Facility
INCOMING water water Prima water Seconds
Residential, Industrial Preliminary �Y �Y
and Commercial Treatment MMM00 Treatment mmmm� Treatment
ell
7.'ry
dge
water
Solids Secondary
Processing Sludge
C -
t . j"
6 GWRS or Ocean
_ Compost & Land
Application
Barscreen in Operation
(Mechanical System)
i7 �-
Primary
Clarification •
1 �
_� a
Secondary Treatment
trickling filter and aeration basins
1.
M
IN
Secondary Final Clarifier
_ r
al
-av%
Effectiveness of Water Treatment
Primary Secondary
Raw Sewage Treated Effluent Treated Effluent
3 d'Y
w
x
Biosolids recycling and recovery process
Primary treatment Anaerobic digester
Secondary treatment
Trickling filter
Primary sludge � Secondarysludge
- Aeration basins
Anaerobic Di • '
• v
Biosolids recycling and recovery process
Primary treatment Anaerobic digester
Secondary treatment
Tricklingfilter
Primary sludg� Secondary sludge low
- - - - Aeration basins
Dewatering operation ` • ` • � � _
Biosolids truck
loading station
Land application, compost, and landfill
Dewatering Operation
ti
_,_ ,
1 i
I
o
Methane Gas Recovery Process
.�
°Ilk
Central generation facility Hot Water Boiler
High pressure digester
gas waste flare station
1
Secondary Sludge
c
Primary Sludge %. ���� .I'I•'
Central Generation Engines
i
Odor Control Clean Air Foul air Clean Air
Scrubbers
Chemical *Chemical
Pre-Treatment *Physical
r *Biological
—oul Air Foul Air
O 21
O 000 Headworks
Primary Secondary Solids
Treatment Treatment Processing
Solids Storage
Collections & Disposal EQ�
New i • TricklingFilter Scrubber
2015-16 Operating Expenses $48 Million
Effluent Disposal
2%
CenGe
6%
dor Contr
7%
Secondary
Treatment Solids Production
13% and hauling
53%
rimary 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/day 93 MG/day
Future Flows to GWRS Future GWRS Production Water
up to 175 MG/day 130 MG/day
Questions ?