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F-4. BIDS AND AWARD FOR SONOQUI WASH CHANNELIZATION PHASE IIA-2 RIGGS ROAD TO ELLSWORTH ROAD Authorize the Flood Control District of Maricopa County (District) to issue an Invitation for Bids for Contract FCD 2010C039, Sonoqui Wash Channelization Phase ll A-2 from Riggs Road to Ellsworth Road and Riggs Road Bridge at Sonoqui Wash (Project). Award the contract to the lowest responsible bidder if the bid is not more than 10% over the engineer’s estimate. The District and the local municipalities developed the Queen Creek/Sonoqui Wash Hydraulic Master Plan (HDMP) to identify existing and future drainage and flooding problems and solutions. The Sonoqui Wash Channelization Project was identified in the HDMP, and is being constructed in reaches. Construction of the first reach, Phase I from Higley Road to Chandler Heights, was completed in 2008. Phase II will be construction in three reaches, Chandler Heights Road to Riggs Road (Phase IIA-1), Riggs Road to Ellsworth Road (IIA-2), and Ellsworth Road to Crismon Road (II-B). The Maricopa County Department of Transportation project TT254 includes the Riggs Road Bridge at Sonoqui Wash over the Phase IIA-2 channel. The channel and bridge projects will be bid together and constructed by one contractor, with costs associated with the bridge to be reimbursed by the Maricopa County Department of Transportation, per IGA FCD 2010A004. This Agenda Item impacts Supervisory District 1. (C-69-11-031-5-00)