26. SUBJECT: SUPPLEMENTAL ENGINEERING SERVICES (SES) CONSULTANT SERVICE CONTRACT AUTHORIZE the Chief Executive Officer to: A. EXERCISE a one-year extension option for Task Order Contract No. AE36687 with Mott MacDonald Group for Supplemental Engineering Services for Engineering Design of Rail and Highway Transportation Projects, extending the period of performance from June 22, 2020 through June 22, 2021. B. INCREASE the total contract value for Contract No. AE36687 with Mott MacDonald Group for Supplemental Engineering Services for Engineering Design for Rail and Highway Transportation Projects not-to-exceed $2,500,000 increasing the total contract value from $15,000,000 to $17,500,000. Work will only be authorized by specific task orders, funded by specific project budgets. C. NEGOTIATE and EXECUTE Task Orders and modifications within the Board approved contract amount.