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PROFESSIONAL_SERVICESAMENDED

Milwaukee Metropolitan Sewerage District Commission Meeting Agenda Packet May 2026

Carollo aeration diffuser engineering contract amended to $2.57M

$91,534 (change order); revised total $2,568,807Milwaukee Metropolitan Sewerage DistrictCAROLLO ENGINEERS INCMay 18, 2026

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Derivita logo
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Veritone logo
TerraCycle logo
Cyvl logo
WithersRavenel logo
Derivita logo
Comcate logo
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Description

The Commission approved a $91,534 change order with Carollo Engineers, Inc. for extended engineering services on the South Shore Water Reclamation Facility aeration basin diffuser replacement project, bringing the contract total to $2,568,807. The amendment covers additional construction phases and support through June 2029 and restores the Executive Director’s change order authority.

Contract Details

Contract Amount

$91,534 (change order); revised total $2,568,807

Vendor

CAROLLO ENGINEERS INC

Agency

Milwaukee Metropolitan Sewerage District, WI

Contract Type

PROFESSIONAL_SERVICES

Document Date

May 18, 2026

Contract Term

Engineering services through at least June 2029; original contract began July 2020

Renewal Date

2029-06-30

Renewal Info

Original 2020 contract was $2,009,823; previous change orders totaled $467,450; this change order adds $91,534 for a new total of $2,568,807 and extends engineering services support through June 2029 while restoring Executive Director change order authority.

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