HomeMy WebLinkAboutEDB Peters Creek WRF Update Board 8 16 Return to agenda
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_ .. . Peters Creek
- = ~ .t • Regional WRE U pdate
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• Service Territoryand
Flow Projections
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a� • Design and Construction Schedule
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RegionalServiceTerritory
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iGovernor's Mid-Cla _\..,
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• Advantages : . 4
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• Savings to ratepayers `� t } � -
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J• Lower O & M Costsf, •
• Expandabilityat one site inphases ' PetersCreekWRF1 1 4, '1 Aira°r . :,11:.1., •• 44.1414:"v-. .
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Service AvailabilityRequests
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Large recent requests Mid-Clay WRF .‘1,.-_,„.
• Saratoga Springs Phase 1 — 1 000 ERG r ' . 4.4 .J,F _ .'� , ' . ,
• G-Bar - >3 000 ERG
Saratoga Springs 0, . � •�, s.
►'Phase 1 - 1,000 ERC F
Availability requests typically precede more I* • _
formal developer agreements
Peters Creek WRF f - `z
Would exceed current capacity = :. . .-1, .;--, ,'Il f .. - . •
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Numerous communications in past year E ,. - i.-4 T\f.
regarding 2025 availability barrinsupply itra ‘GBarRanch -� : �t
g • g pp '� � ' � 3000 ERC �
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chain disruption . 1 , V:r= - r
_ Governors
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���AUTN�a
Historic and Projected Flows
Peters Creek WRF Flows
• how flow through 2019 - 1.2
LEGEND
Pickingup now Historical
1
Projected — — —
• Potential to reach or
0.8
exceed permitted ;
2
0.6
capacity
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• Interim capacity
p v 40
0.2
expansion ,-
ex a anticipated
ated
p p
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Interim CapacityExpansion
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• Anticipated expansion from 200 000 _ ` T
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p p . - _ : . _ _
gpd to 250, 000 gpd via permit mod — i
Convert Digester to
expanded Aeration -
• Interest in area accelerating, so Capacity _
evaluated capacity expansion via
p Y p . tiiik, . I
capital improvement d #4eil,
• >300 000 gpd achievable ._ ,---"~-_.- 'N -
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• Interim stepfor : i . -
-rn - r
• Increased compliance assurance Utilize off-site .- - - -.
• Operations flexibility cylindrical tanks for - _- - .
• Help navigating supply chain issues digester capacity
Design Progressing Well — Site Plans
• Phase I site plan • Buildout site plan
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STORMWATER
POND
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REUSE STORAGE
Alk F - — REUSE STORAGE i WETLANDS
WETLANDS
titCCC&FILTERSpilrI. ty�MC�c CCC 6c FILTERS CLARIFIERS
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On Schedule, Moving Quickly to Bid
Description Start Date nd Date 2022 2023 2024
Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4 Q1 Q2 Q3 Q4
90% Design Documents 7/22/2022 9/6/2022
100% & Bid Documents 9/7/2022 10/21/2022
Permitting 2/9/2022 9/22/2022
Bid Phase Services 10/24/2022 12/19/2022
Post Design Services 1/2/2023 12/24/2024 II_
Mitigating Supply Chain Issues by Pre - Purchasing
Typical Order of Procurement
• Contractor purchases after award, or Equipment Contracting
Owner Direct Purchase a er Contractor Description Method
Award ( March 2023) P
or Pre-Purchase
Change in Order of Procurement Generator & Fuel Tank Cooperative Agreement
• Owner Prepurchase Major Equipment Aeration Basin and Clarifiers Existing Sole Source
before Award, via existing or new:
Major Unit Process Equipment Existing Sole Source(s)
• Sole Source (Aug/Sept 2022) (Screens, Filters, Pumps,
° • State Contract Aerators/Mixers, etc.)
• Cooperative Purchasing Program (Aug Piping and Valves Solicitation
2022)
Electrical/Motor Control Existing Continuing
• Piggyback Centers Electrical Contract
• Solicitation ( Nov 2022)
Summary
• On Schedule
• Communicating with stakeholders along the way
• Mitigating supply chain issues as possible
• Pursuing interim capacity
• Pre-purchasing Equipment/Material
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