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TO: Honorable Mayor and Members of the Common Council FROM: Steven M. Gohde, Assistant Director of Public Works/Utilities General Manager DATE: September 9, 2025 SUBJECT: Res 25-472 Approve Change Order No. 1 (Final) for Public Works Contract No. 24-04 Wastewater Treatment Plant Roofs Replacement / Rohde Brothers, Inc. (+$37,528.00)

BACKGROUND

Change Order No. 1 (Final) for Contract 24-04 is scheduled for consideration by the Common Council at the September 9, 2025 meeting.  The contract was originally awarded to Rohde Brothers, Inc. in March of 2024.  This change order is for additional services requested by the City.

ANALYSIS

Additional work was needed at the Wastewater Treatment Plant to complete the roof replacement.  The following is a summary of changes and associated costs for this change order:   Item No. Description Action Amount 1 Raise natural gas roof piping and add natural gas isolation valves. Add +$6,940.00 2 Replace sealant around perimeter cap blocks of Solids Building. Add +$15,382.00 3 Generator Building roof drain modifications. Add +$3,300.00 4 Building G and F brick wall modifications. Add +$9,556.00 5 Additional roof EPDM walkway pads and concrete walkway pavers. Add +$4,240.00 6 Installation of new roof drain and credit for no use of crane services    Deduct -$1,890.00 7 Roof railing substantial completion date change.   $0.00           TOTAL VALUE OF CHANGE ORDER NO. 1 (FINAL)   +$37,528.00

FISCAL IMPACT

Funding for this Change Order is available is in the 2024 Capital Improvement Programs (CIP) (Account No. 03221910-7214-64150/Sewer Capital Fund-Buildings & Building Imprvmts-WWTP Building Improvements).

RECOMMENDATION

I recommend approval of Change Order No. 1 (Final) to Contract No. 24-04 in the amount of +$37,528 to Rohde Brothers, Inc.

Attachments Res 25-472 24-04 CO #1 (Final)

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