City of Carroll City Council Meeting Agenda Packet April 2026
Change Order Adds Waterproofing To WWTP Project
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Description
The City of Carroll approved Change Order No. 3 with Blue Ribbon Builders, LLC for the WWTP Digester & VLR Air Piping Improvements project, adding $163,416.75 for installation of a Sika 7600 waterproofing system in Digester 2. The change raises the total contract to $3,202,095.00 and extends project completion to late September 2026.
Contract Details
Contract Amount
$163,416.75
Vendor
BLUE RIBBON BUILDERS LLC
Agency
City of Carroll, IA
Contract Type
CONSTRUCTION
Document Date
April 15, 2026
Contract Term
Contract time extended 90 days; Plant in full operation by August 29, 2026 and all work complete by September 28, 2026
Renewal Date
2026-09-28
Renewal Info
Third change order to original WWTP Digester & VLR Air Piping Improvements construction contract; cumulative approved change orders total $205,095.00 and extend the contract duration by 90 days.
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