Where these special requirements and information as detailed in the attachment titled General Conditions for Roads, Bridges and Related Work, differ from the attachment titled General Requirements for Bids, the specific requirements and General Conditions for Roads, Bridges and Related Work, supersede where applicable. Coordination of the project will be through the Harris County Office of the County Engineer and all invoices must be routed through their department. All invoices shall include submission requirements stated in the specifications including completed certified payroll records and lien waivers. Payment terms are "Net 30" from date the invoice is approved by the Office of the County Engineer; therefore, payment to the vendor may be up to one (1) month from the date the invoice is approved by the Office of the County Engineer. Payment of material shall be in accordance with the attachment titled Policy for Payment. Performance and Payment Bonds, requires the vendor to provide a payment bond on all public works jobs that exceed $25,000, and a performance bond on all public works jobs that exceed $100,000.NO CONFIDENTIALITY OF BIDS Once opened, bids are public record. There are no exceptions. When submitting a bid, the vendor must be sure to redact confidential information if the information is needed to address requirements of the bid. If there are any questions concerning confidentiality of information to be submitted, contact Kenneth Jackson immediately at kenneth.jackson@pur.hctx.net. ALTERATION OF DOCUMENT No alterations may be made to this document. Any alterations made may result in the bid being rejected. The terms and conditions contained within this bid supersede all conflicting terms within any cooperative purchasing contracts associated with this purchase. PREVAILING WAGES In accordance with Section 2258 of the Texas Government Code, contractor and any subcontractor hired by contractor for the construction of any project, shall not pay less than the rates set forth in the Schedule of Prevailing Wages attached and incorporated by reference in each Project Manual. Contractor warrants that it and its subcontractors shall comply with all requirements and worker ratios per the applicable Schedule of Prevailing Wages and Texas state law. Contractor shall submit certified payroll of contractor and all subcontractors on a weekly basis. At County's request, contractor shall make available and shall require its subcontractors to make available, copies of cancelled checks and check stubs for comparisons by the County or its agents. County reserves the right for its agents to visit the project site and to interview contractor, its subcontractors and employees of each on any date or time, as often as desired during the construction period, without prior notification. County will ascertain if proper wage rates are being paid to the employees as required by the Project Manual. In the event of a discrepancy between the work performed and the wages paid, County will document same and notify contractor. All initial determinations of the classification of workers or the appropriate prevailing wage shall be made by the Harris County Contract Compliance Officer. Her determinations shall be binding. If, for any length of time and as determined by the Harris County Contract Compliance Officer, discrepancies appear between the certified payrolls and the actual wage paid, County shall require check stubs to be attached to each weekly certified payroll. Pursuant to TEX. GOV'T CODE ANN. 2258.051, the County reserves the right to withhold any monies due contractor until such discrepancy is resolved and the necessary adjustment made. Contractor shall also pay a penalty in accordance with TEX. GOV'T CODE ANN. 2258.023(b), of Sixty and No/Dollars ($60.00) per day per person per incident that such person is underpaid. Contractor shall impose these same obligations upon its Subcontractors. Contractor understands that with monthly certified payrolls, contractor is responsible for any and all penalties that shall accrue during the month, regardless of the fact that any error could not be discovered by the Contract Compliance Officer until the following certified payroll.