HomeMy WebLinkAboutItem 14 PPP 12-05-18 Ops Committee - P1 Primary Clarifier Overhaul 1
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P1 Rectangufflar PrimaryClarifier
Overhaul
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GOALS
• Re-establish Maintainability of the Rectangular
Primary Clarifiers at Plant No. 1 .
• Ensure Readiness to Support Future Project Outages
that are Dependent on Reliable Operation of Primary
Clarifiers at Plant 1.
Overview of Responsible Area
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PC 3 -
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— PC 5
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V am, PRIMARY
CLARIFIERS 3,4, & 5
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PCs 1 & 2 Slated For
Demolition
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Ate- €iii=i ii tea; RECTANGULAR
PRIMARY
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Overhaul Plan- Rectangular Clarifiers
+ PC 7 PC 026 CLARIFIERS (6-31)
• 2 TANKS/CLARIFIER (- Capacity of 210 mgd )
PC 9 } PC0 TOTAL of 52 TANKS Being Restored (3 Phases)
PC 11 • EACH TANK is 1951 x 20'W x -10.8'D
PC 12 0Close to 11 years of Continuous Operation
PC 15 PC 14
TUNNEL 144
to PHASE-1 Completed f/y 17-18
PC 17 cr
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PC 19 Z
z PHASE-2 Proposed
PC 21 iu
�- PC 23 PHASE-3 Future
+ PC 25 PC 24
PC 27 PC 26
PC 29
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SOUTH a' -3l TUNNEL
�verhaul Plan
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OVERHAUL & REPLACE SLUDGE COLLECTOR MECHANISMS
• SPROCKETS/GEARS
• CHAINS, BEARINGS
• WEAR PARTS
• Misc. Components
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Keylssues
Existing Jaw
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Clutch and Drive
Chain
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New Drive Chain
And Sprocket
Keylssues
�� - Existing Sprockets
Worn-Out
Teeth/Gears
New Bull Sprockets
Keylssues
Existing Chain and Wear Strip
• Worn Wear Strip
• Worn Chain
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New Chain and Wear Strip
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Keylssues
Existing Drive Sprocket,
Drive Chain, and Collector
Chain
New Drive Sprocket,
Drive Chain, and Collector
Chain
Keylssues
Existing Wear Strip & Chain
r Worn Chain
------- Wear Strip Bowing
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New Wear Strip & Chain
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Coordinated Implementation
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Questions ?