St. Louis County Project No. CR-1847 consists of the installation of chicane islands, choker islands, median islands, traffic circle, speed humps, and other incidental items necessary to complete the above in a workmanlike manner on streets in the Castle Point subdivision (within St. Louis County). Pursuant to Sections 107.400 and 107.401 SLCRO, all County solicitations, once published, are under a "Cone of Silence." All communication from a Vendor or a Vendor's Representative relating to this solicitation must follow the processes defined herein. Any communication with other County staff regarding this solicitation is prohibited except the specific types of communication defined in Section 107.401 SLCRO. The Cone of Silence shall terminate at the time a contract resulting from the solicitation is executed or when all bids or proposals in response to the solicitation are rejected by the County. Violation of Section 107.401 SLCRO by a Vendor or Vendor's Representative shall result in designation by the Director of Procurement of the bid, proposal, or statement of qualifications as non-responsive. Communications regarding this solicitation are authorized only with the following County Staff. In addition, County clerical staff are permitted to route communications, including phone calls and written communications. Communications prior to the bid opening shall be by email only. Communications after the bid opening with authorized staff related to contract negotiations, investigations into contractor capability or the preparation for construction activities may be verbal or written. The Acting Deputy Director listed below may authorize additional points of contact as deemed prudent; all such authorizations shall be in writing. All questions must be submitted by 5:00 PM on November 8, 2023 via e-mail to the Contract Administrator & Media Manager as noted St. Louis County hereby notifies all bidders that it will affirmatively ensure that in any contract entered into pursuant to this advertisement, businesses owned and controlled by socially and economically disadvantaged individuals will be afforded full opportunity to submit bids in response to this invitation and will not be discriminated against on the grounds of race, color, religion, creed, sex, age, ancestry, or national origin in consideration for an award. All checks shall be made payable to "Treasurer, St. Louis County." The right is reserved by the County Council to reject any or all bids.