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HomeMy WebLinkAboutItem 7 PPP Operations Committee 3-1-17 - Collections_Ops_Maint Lai 50, AN xi Orange CountySanitation District Operations & Maintenance 4! ^i Y OCSD Service Area I Or 396 miles of sewers C 471 square miles La ilaira 185 million gallons per day 2.6 million population 15 O pump stations � . 2 n treatment facilities La Pa[rrra r:2. `AIh , Jrarr j::' tyl ar:l-an �r�r-a Ob l;,�aiurirrai::r • O Reclamation r , Plant No. 1 Ocean O n Treatment • Ocean Plant No. 2 ��, Wastewater Collection System � Private Lateral II Manhole city OCWD Manhole - I y GWRS Local Sewer F _ � Ocean CSD OutfalI . Treatment . .' OCSD / Plants -�- Regional Trunkline Collections System Asset Replacement Value = $3 . 0513 iq I F, -�l Pipes & MHs 90% Pipes & Manholes Structures 9% 90% Mechanical 1 $2 . 753 Billion 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 A Yorba Linda Spur HAR;A � Ferrous Chloride Odor Control Station �:W ! (Siphon Treatment) Hager-Pacific + r Buena Park :ILERTON Bio Scrubber�- Ferrous Chloride ICORONA LrN BUENA • - PAI ANANEI61 Y ► .ter Ferrous Chloride — f = Garden Grove Tiffany Used in Gravity Trunks CYPRESSVILLA m Calciu Nitrate 'T FA"" i Seal Beach PS - ORANGE Magnesium Hydroxide — Magnesium Hydroxide '� _ Used in Force Mains Midway City SD 1, p •� Knott11 T Ferrous Chloride_ SEAL 41 Calcium Nitrate BEACH 4 Used in Force Mains SANTA f� ANA ISTIM Main Street (Backup) • Caustic (Sodium Hydroxide) — UNTAIN -�- _ Magnesium Hydroxide Used for batch dosing �a�EY v Baker-Main HUNTINGT = F I - _ _ IRWD Michelson WWTP �r Ferrous Chloride LAKE COSTA • •l MES% FORREST ° -- Bay Bridge PS # ' Magnesium Hydroxide &Calcium Nitrate LAGUNA WOODS �A ELc N Al Crystal Cove PS _ Calcium Nitrate A OCSD Odor Control Chemical Dosing Locations Civil/Structural , Mechanical Electrical & Instrumentational Assets Civil Assets Include: M .M Process Concrete, Metallic Structures and Piping A Maintenance Efforts Corrective Planned Predictive Maintenance Maintenance Maintenance � r me 'Nk , e —00NAXIMO ASSEi*�— � MANAGEMENT �i.. �m r r 1 tr •r'40 •rr 4 Sl[ it 1 � _ �• `'. 1111 I4 3 r Cleaning Methods 77' .il 4 V v YA Waste Resource RecoveryFacility INCOMING water water Primary water Secondary Residential, Industrial Preliminary Y Y and Commercial Treatments Treatment Treatment a r Primary Sludge water Solids Secondary Processing Sludge GWRS or Ocean Compost & Land Application Barscreen in Operation (Mechanical System) 1 = M 1 wno I I 1 ! i "' yam:• Secondary Treatment trickling filter and aeration basins n' Secondary AQml � I- - it, _ loot +y 10�01 Effectiveness of Water Treatment Primary Secondary Raw Sewage Treated Effluent Treated Effluent Ann w IJ l r G'M .4 N Biosolids recycling and recovery process Primary treatment Anaerobic digester Secondary treatment i --� Trickling filter r Primary sludge Secondary sludge llp- Aeration basins ++ O Anaerobic Digester Biosolids recycling and recovery process Primary treatment Anaerobic digester Secondary treatment i --� Trickling filter r Primary sludge Secondary sludge �\ Aeration basins Dewatering operation ++ Biosolids truck loading station O—= Land application, compost, and landfill DewateringOperation E �` 1 i I t. Methane Gas Recovery Process r , Central generation facility Hot Water Boiler High pressure digester - gas waste flare station lot ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ ♦ Secondary Sludge ♦ ♦ Primary Sludge �=� .•.����:��.� Central Engines �-. ram_ .'Y PA \ /�,� �► �I S I S �,f f', Odor Control Clean Air Foul air Clean Air Scrubbers Chemical •Chemical Pre-Treatment •Physical •Biological A r 71 Foul Air Foul Air ED pp,hi F O 000 [Headworks Primary Secondary Solids Treatment Treatment Processing c� C� Solids Storage Collections & 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/day 93 MG/day Future Flows to GWRS Future GWRS Production Water 185 MG/day 130 MG/day Questions ?