CHANGE ORDER #1 LANZO (S-20331)

Board of County Commissioners · 2026-09-01 · resolution

Miami-Dade County Board of County Commissioners adopted Resolution R-750-26 (File Number 261434) on September 1, 2026, ratifying Change Order No. 1 to Contract No. S-20331 with Lanzo Construction Co. Florida for an emergency project at the Alexander Orr Water Treatment Plant. The change order increases the contract by $2,003,650.00 to replenish the contingency allowance and reallocates $1,629,590.00 in existing unused contract funds to address an overrun in Bid Item 7 for excavation, loading, hauling, and disposal of calcium carbonate residual. The project involves operational and resiliency improvements to the calcium carbonate lagoon and softeners. The original contract award was $23,742,340.00 with a contingency allowance of $2,003,650.00 and a duration of 540 calendar days. The Notice to Proceed was issued February 24, 2025, with a final completion date of August 18, 2026. The emergency was declared on November 12, 2024, due to a breach of a sludge lagoon berm causing loss of sludge and backwash water disposal capacity. The original estimated quantity of calcium carbonate residual removal was 175,000 cubic yards, which has been exceeded. Approximately 65 percent of the lagoon has been excavated. The project is located at 6800 SW 87th Ave. in Commission District 10. The fiscal impact is funded from WASD Revenue Bonds Sold, Future Revenue Bonds and Proprietary Funds, with no impact to the General Fund. The project is in WASD's Fiscal Year 2025-26 Adopted Budget under Water Reset Program - Water Treatment Plant - Alexander Orr, Jr. Expansion, Program #9650031, Volume #3, Page #123 and under Contractual Services, Volume #3, Page #100. Small Business Enterprise measures did not apply to the contract. No public comment or stakeholder sentiment is stated in the document.