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HomeMy WebLinkAbout2025 06 18 - Presentation 2 - WRF Special WorkshopSpecial Workshop June 18, 2025 City of Winter Springs Update to Design + Construction Services for the East & West WRFs C A R O L L O / 2 •Recap of Existing Facilities & Project Purpose •East WRF Design & Construction Updates •Funding & Design Updates •Construction Cost Estimate Meeting Agenda C A R O L L O / 3 Existing Facilities East WRF West WRF C A R O L L O / 4 •East & West WRFs •Outdated, used steel-ring package plants installed in the 1970/80’s •Surpassed the end of their useful life by at least a decade – failing infrastructure, highly- corroded tank walls, antiquated design, etc. •Existing facilities include a single-train process •One disruption impacts the entire treatment process •Require both replacement & modernization •New facilities are designed for flexibility, reliability, and treatment effectiveness •Facilities will have multiple trains in parallel – allows for minimal process impact while service occurs Existing Facilities C A R O L L O / 5 •Design •Currently focused on the East WRF; West WRF is to follow •Preliminary Engineering & Design for the East WRF was completed in February 2025 •Construction permit was issued based on Preliminary Design in March 2025 •Final Funding Application Design drafted for funding application (SRF) June 2025 Design Updates C A R O L L O / 6 •Funding •Commission authorized project funding (design) to be secured through Clean Water State Revolving Fund (CWSRF) financing on June 13, 2022 •Design Loan funding was secured •Clean Water SRF & ARPA •Construction anticipated to be primarily funded by SRF, and project team is evaluating additional grant funding opportunities •Supplemental Appropriation for Hurricanes Helene & Milton •Protecting Florida Together Grants (i.e., Water Quality Improvement Grant) •Next step: submission of Final Construction Funding Request for Inclusion •Submittal date: June 30, 2025 •Requires: •SRF loan application – completed & in review with FDEP •Design plans and specifications – completed & in review with FDEP •FDEP permit – completed & approved by FDEP in March 2025 •Construction cost estimate for SRF Funding Request – completed Funding Updates C A R O L L O / 7 •Guaranteed Maximum Price (GMP) •How is it developed? •OPEN BOOK! •CMAR Differs from Hard-Bid •GMP Design Review •GMP Bid Manual Development •Competitive Bidding •Thorough Review of Bids •Assembly of final GMP including: •Breakdown of all bids received •General Conditions Costs •Risk Register •Schedule •Clarifications What is a GMP? C A R O L L O / 8 •What is a Risk Register? •A Tool to define both the known and unknown project risks •What is the Risk Register Used for? •Outlining risk mitigation strategies •Defining contingency and allowance cost allocations Risk Register C A R O L L O / 9 •Components of the Estimate •Direct Costs – All equipment, materials, and subcontract costs associated with the work-in-place •General Conditions (GC’s) – Project staffing and administration costs •Contingency – Based on the Risk Register – Cost for unexpected or non-quantifiable costs and for design yet to be completed •Escalation Contingency – Estimate of potential cost escalations due to Tariffs, material shortages, etc. •Bond – Contractors Payment and Performance Bond as required by the contract •Insurance – Contractors General Liability Insurance as required by the contract •Fee – Contractor's profit and non-direct overhead costs SRF Deliverable Estimate C A R O L L O / 10 •Key Takeaways & Next Steps •Overall Project Cost - $/Treatment Gallon is in line with current market •As design moves to GMP/Bid Phase (November/December) it is expected that Contingency will go down, Direct Costs may increase •Continued Value Engineering (VE) & Design Workshops will take place to reduce cost and improve efficiency will occur over next 5 months •Guaranteed Maximum Price (GMP) Bid phase will commence in December SRF Deliverable Estimate SRF Funding Request C A R O L L O | 11 East WRF Schedule 2025 2026 2027 2028 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 SRF Funding Application and Approval Finalization of Design and GMP East WRF Material and Equipment Procurement East WRF Construction Submission of SRF Construction Application to FDEP. SRF Construction Funding Approval. Construction Cost Estimate Update. C A R O L L O | 12 Future / Lookahead Schedule 2025 2026 2027 2028 2029 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 1 2 3 4 SRF Funding Application and Approval Finalization of Design and GMP East WRF Material and Equipment Procurement East WRF Construction West WRF Design, Permitting & Material Procurement West WRF Construction Submission of SRF Construction Application to FDEP. SRF Construction Funding Approval. SRF Construction Funding Approval. Submission of SRF Construction Application to FDEP. Construction Cost Estimate Update. C A R O L L O . C O M Thank You!