INVITATION FOR BIDS CBD No. 5665 This Invitation for Bids is for the construction of SANTA RITA RANCH NORTHWEST PHASE 2, SECTION 1. The work generally consists of Streets Excavation, Drainage, Water, Wastewater and Erosion Control Improvements (the "Project"). Sealed Bids should be addressed to Santa Rita KC, LLC, ("Owner"), on behalf of the Williamson County Municipal Utility District No. 19H (the "District"). Bids will be received at the office of the Project Engineer, Attn: Steven P. Cates, P.E., Carlson, Brigance & Doering, Inc. (CBD, Inc.), 5701 W. William Cannon Drive, Austin, TX 78749, Second Floor Conference Room, Thursday, October 23, 2025 for a public bid opening at 2:00 p.m., where proposals will be opened and read aloud. Any Proposals received after the closing time will be unopened. Bid documents for this project will be available for purchase from the office of the Project Engineer-CBD, Inc. A non-refundable purchase fee of $125.00 will be charged. The documents will contain CAD files, pdf set of plans and bid documents. Make checks payable and mail to Carlson, Brigance and Doering, Inc. Only those checks received will have their bids considered. A Mandatory Pre-Bid Conference will be held at 3:00 p.m. on Thursday, October 9, 2025 at CBD, Inc., 5701 W. William Cannon Drive, Austin, TX 78749, Second Floor Conference Room. All questions, clarifications and requests regarding the project must be received in writing via email to Rob Hesley (rob@cbdeng.com) and received no later than 12:00 p.m., Monday, October 20, 2025. Any requests received after said time and date will not be addressed. A Cashier's Check, Certified Check or Bid Bond payable to Santa Rita KC, LLC, in an amount not less than 5% of the total bid must accompany each Bid as a guarantee that, if awarded the contract, the bidder will within 10 days of the award of the contract, enter into a contract and furnish an acceptable Performance and Payment Bond in the amount of 100% of the Contract price required by WCMUD 19H, and Williamson County. The Bidder's surety will be forfeited and become the property of the Owner should the bidder fail to enter into a contract and furnish bonds acceptable to the Owner within 10 days after award of the contract. The Pre-Qualification Statement included in the proposal packet and as required by Williamson County M.U.D. No. 19H shall be completed in its entirety and submitted as part of the proposal. Any proposal lacking the Pre-Qualification Statement will not be considered. No Proposals shall be withdrawn for a period of 120 days after the opening of the bids. The Owner reserves the right to reject any or all Bids and to waive all defects and irregularities in bidding. The Successful Bidder, if any, will be the responsible Bidder which in the Owner's judgment will be most advantageous to the District and result in the best and most economical completion of the Project. Contractor will provide to Santa Rita KC, LLC, ("Owner") a maintenance bond for 10% of constructed drainage improvements cost within the subdivision that will remain in force for two (2) years from the date of acceptance by Williamson County. Contractor will provide the City of Liberty Hill a maintenance bond for 20% of constructed wastewater improvements cost that will remain in force for one (1) year from the date of acceptance. The Contractor will provide to the City of Georgetown a maintenance bond for 10% of constructed water improvements cost within the subdivision that will remain in force for two (2) years from the date of acceptance. Contractor will provide to Williamson County M.U.D. No. 19H a maintenance bond for 10% of constructed street excavation, drainage, water and wastewater improvements cost that will remain in force for one (1) year from the date of acceptance. Prevailing Wage Rates, in accordance with Government Code 2258 are applicable to this project. September 28, October 5 2025 IPLAAS0103635