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File #: 21-1414    Version: 1 Name: 9/7/21 OHM Resolution for Clear Well Project
Type: Resolution Status: Passed
File created: 9/7/2021 In control: City Council
On agenda: 9/7/2021 Final action: 9/7/2021
Enactment date: 9/7/2021 Enactment #: R-21-337
Title: Resolution to Approve Amendment No. 1 to the Professional Services Agreement with Orchard, Hiltz & McCliment, Inc. d/b/a OHM Advisors for the Wastewater Treatment Plant (WWTP) Clear Well Improvements Project, RFP No. 19-13 ($208,000.00 Amendment, $341,036.00 Contract Total)
Attachments: 1. OHM Clear Well Amendment 1.pdf, 2. Exhibit B-1_ClearWell Fee.pdf, 3. Exhibit A-1_Clear Well Scope.pdf
Title
Resolution to Approve Amendment No. 1 to the Professional Services Agreement with Orchard, Hiltz & McCliment, Inc. d/b/a OHM Advisors for the Wastewater Treatment Plant (WWTP) Clear Well Improvements Project, RFP No. 19-13 ($208,000.00 Amendment, $341,036.00 Contract Total)
Memorandum
Your approval is requested for Amendment No. 1 to the Professional Services Agreement with Orchard, Hiltz & McCliment, Inc. d/b/a OHM Advisors (OHM) in the amount of $208,000.00 for construction engineering services related to the WWTP Clear Well Improvements Project.

The City's WWTP utilizes 12 sand filters for tertiary treatment to remove fine solids from the water. Filtered water is collected in two clear wells located under the Tertiary Filter Building where the water is aerated before it flows to the ultraviolet disinfection system prior to discharge to the Huron River.

This project is to replace structures and equipment that have reached the end of their useful life and are in need of replacement. Concrete block baffle walls located in the two clear wells have deteriorated and are failing, while the air diffusers are damaged and must be replaced. These structures and equipment are essential to assure the intended operation of the clear wells and provide dissolved oxygen to ensure the WWTP complies with its discharge permit limits.

Through RFP No. 19-13, the WWTP solicited proposals for professional engineering services to design the WWTP Clear Well Improvements Project. On December 16, 2019, City Council approved Resolution R-19-563 in the amount of $133,036.00 for professional engineering services with OHM for the Clear Well Improvement Project. As part of this work, OHM completed inspection and evaluation of the clear wells and air diffusers, prepared an Alternatives Evaluation Report of feasible alternatives, prepared a Preliminary Design Report and contract documents for soliciting contractor bids.

As stated in RFP 19-13, City staff requested a proposal from...

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