Interoffice Memorandum
DATE: June 15, 2026
TO: Mayor Jerry L. Demings and County Commissioners
FROM: Carrie Mathes, FNIGP, CFCM, NIGP-CPP, CPPO, C.P.M., Manager II, Procurement Division
CONTACT: Lindy A. Wolfe, P.E. LEED AP, Manager II, Utilities Engineering Division
PHONE: 407-254-9918
SUBJECT: Approval of Change Order No. 4, Task Authorization No. 10, Contract Y20-905D, Bonneville Storage and Repump Facility Improvements
ACTION REQUESTED:
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Approval of Change Order No. 4, Task Authorization No. 10, Contract Y20-905D, Bonneville Storage and Repump Facility Improvements with Tetra Tech, Inc., in the amount of $93,933.20, for a revised total award amount of $760,596.48. ([Utilities Department Engineering Division] Procurement Division)
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PROCUREMENT:
Orange County Utilities (OCU) owns and operates the Bonneville Storage and Repump Facility (SRF) located at 3925 Sprague Drive, Orlando, Florida, within OCU's Eastern Service Area. OCU has identified improvements to be implemented at the Bonneville SRF as part of OCU's East Water Service Area Facilities Improvements Program.
During Orange County Building Permit review and coordination regarding proposed tree removal impacts associated with grading and stormwater improvements necessary for the project, the Zoning Division requested an alternative design to minimize impacts to the existing trees. The potential alternative stormwater design would extend the proposed pond into the southern portion of the property located outside the limits of the project. Therefore, additional geotechnical testing, site and tree surveys, and coordination with Florida Department of Environmental Protection for modification of the approved Environmental Resource Permit (ERP) are needed beyond the original scope for this project. These additional services will update the project final design to minimize tree removal impacts and obtain the building permit and ERP modification before the project can move into the bidding ph...
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