BC_-Q1_2026_-_Business_Case_-_SWTP_-_Replace_Digester_Tanks_Aeration_Equipment_-_signed.pdf

PDF 676 KB Posted

Attached to
Two (2) Digester Tanks Aeration Equipment Replacement
Solicitation number
26-026-ITB
Issued by
Hart County, Kentucky

About this file

This is a Business Case document and procurement notice for the Kenton County Airport Board (KCAB) in Kentucky regarding the replacement of aeration equipment for two digester tanks. The project scope involves upgrading aeration equipment in both digester tanks from a fine bubbler system to a coarse bubbler system and replacing existing PVC piping with stainless steel piping. A pre-bid meeting and site visit will be held on Thursday, April 23, 2026 at 10:00 am at CVG Centre, Admin. Offices, 77 Comair Blvd., Erlanger, KY 41018. Bidders must submit questions by 11:59 pm on Monday, April 27, 2026, with answers posted by Thursday, April 30, 2026 at 11:59 pm. Bids are due by Thursday, May 7, 2026 at 2:00 pm. The project schedule indicates procurement completion by April 30, 2026, contract negotiation finalization by May 26, 2026, equipment purchase and construction notice to proceed by June 1, 2026, and construction/equipment completion by November 1, 2026.

The total appropriations request is $639,000.00, comprising $551,000.00 for equipment costs (design, equipment, force labor, and miscellaneous) and $88,000.00 for construction and installation costs (including a 20 percent vendor contingency). The project addresses equipment installed in 2004 that has reached end-of-life, with cost estimate certainty at 80 percent due to potential stainless steel price fluctuations. Key business objectives include increasing air delivery efficiency and extending pipe and blower lifespan, with expected benefits including reduced energy consumption, decreased maintenance costs, and a reduced carbon footprint. The project is contingent on completion before the DHL Expansion to accommodate increased recovery of spent aircraft deicing fluid. Project approvals were obtained from Scott Thacker, Tim Haizlip, and Dilwyn Gruffydd as of February 2, 2026.

View the file

Other files

Show all 16

On GovTribe

Work with this file

  • Download the original file
  • Contacts named in this file
  • Similar government files
  • Ask GovTribe AI about this file

Text version

Master Plan Alignment

Strategic Plan Alignment

Sustainability Benefits

$40,000.00

$400,000.00

$10,000.00

$0.00

$80,000.00

$20,000.00

$1,000.00

$551,000.00

$0.00

$70,000.00

Construction Admin & Construction Inspection (CA/CI) $0.00

$7,000.00

$10,000.00

$1,000.00

$88,000.00

Total Appropriations Request: $639,000.00

Organizational Impact Justification

A reduction in energy consumption will lead to a decrease in our carbon footprint.

Certainty of Cost Estimates

80% - the cost of stainless steel could increase before the contract is finalized

Business Objectives: Increase the efficiency of air that is delivered to both digester tank and increase the life span of the pipes and blowers

Risk if Not Funded: Increased costs to replace the equipment upon failure. Long lead times for equipment to be manufactured and delivered. Unexpected downtime during the critical operating season.

License & Support (Year 1):

License & Support (Years 2-5):

Upgrade Digester Tanks Aeration Equipment PMWeb #

Current Situation/Background Information

Two digester tanks and associated aeration equipment were installed in 2004. In 2006, the BIOLAC system was added and the operation of the tanks changed from sequence batch reactors to digesters.

The PVC piping and associated equipment have begun to reach their end of life. The current aeration equipment uses a fine bubbling diffuser system, which is not suitable for the water decanting process that is required to thicken the sludge.

Project Definition

Project Scope: Upgrade the aeration equipment in both digester tanks to a coarse bubbler system and replace the existing PVC piping with stainless piping

Cost

Project Value/ROI: The system and piping upgrades in both digester tanks will lead to a reduction in energy consumption. There will be a decrease in maintenance costs because the blowers and pipes will remain operational for a longer amount of time

Organizational Impact

Project Approach

Replace all aeration equipment in both digester tanks with stainless piping and a course bubbler system

Alternatives

Vendor Contingency (20%):

Continue to operate with existing fine bubbler system and PVC piping until failure

Related Projects

This should be complete before the DHL Expansion to accommodate the increase in recovery of spent aircraft deicing fluid

Design:

Equipment:

Force Labor:

Miscellaneous:

Total Appropriations Request for Equipment:

Project Funding

CAPEX

Design:

Construction/Installation:

Contingency (min 10%):

Force Labor:

Miscellaneous:

Total Appropriations Request for Construction:

1/28/2026

4/30/2026

5/18/2026

5/26/2026

6/1/2026

Construction Notice to Proceed (after contract is signed) 6/1/2026

Construction/Equipment Completion 11/1/2026

ARFF Human Resources

Business Administration Information Technology

Capital Accounting Innovation

Commercial Management Operations

Customer Experience Planning & Development

Environmental, Social & Governance (ESG) Police Department

Facilities Procurement

Field Safety

Finance Terminal Modernization Program

Fleet Other ________________________________________________

Stakeholders

Equipment Purchase (after contract is signed)

Project Schedule

Appropriations Approval

Procurement (Bid/Solicitation) Completion

Board Meeting

Contract Negotiation Finalized

Visuals

Larry Krauter

Chief Executive Officer

Dil Gruffydd

Chief Financial Officer

Executive Sponsor

Shannon Oldfield

Chief Operations Officer

Concurrence Leader

Bill Siemer

Vice President Planning & Development

Business Unit Leader

Tim Haizlip

Vice President, Maintenance & Asset Management

Sponsor/Originator

Scott Thacker

Senior Manager Environmental Operations

Approvals:

Known Risks & Limitations

None

Recommendation

Replace the aeration equipment in both digester tanks with stainless piping and a course bubbler system

Out of Office. Verbally approved on 1.16.2026.

Scott Thacker (Jan 30, 2026 17:18:25 EST) Scott Thacker

Tim Haizlip (Jan 31, 2026 11:39:58 EST)

Dilwyn Gruffydd (Feb 2, 2026 10:18:51 EST) https://cvgairport.na2.adobesign.com/verifier?tx=CBJCHBCAABAA30zOP10wzPJ7HA0HHOBwN-dF3fJiWgse https://cvgairport.na2.adobesign.com/verifier?tx=CBJCHBCAABAA30zOP10wzPJ7HA0HHOBwN-dF3fJiWgse https://cvgairport.na2.adobesign.com/verifier?tx=CBJCHBCAABAA30zOP10wzPJ7HA0HHOBwN-dF3fJiWgse https://cvgairport.na2.adobesign.com/verifier?tx=CBJCHBCAABAA30zOP10wzPJ7HA0HHOBwN-dF3fJiWgse https://cvgairport.na2.adobesign.com/verifier?tx=CBJCHBCAABAA30zOP10wzPJ7HA0HHOBwN-dF3fJiWgse

2026-02-02T22:21:21+0000
Certified by Adobe Acrobat Sign

File details come from the government source that posted it. Updated .