11. HD-21-034 Authorize Executive Director to Execute First Amendment to Contracts with AECOM, Cannon Corporation, KPFF Consulting Engineers, Jacobs Engineering Group, Inc., Moffat and Nichol, PacRim Engineering, and T.Y. Lin International for on-call professional engineering design services to allow these firms a markup on first tier sub-consultants and to utilize electronic signatures. (Engineering Design - J. Chun)