15. SUBJECT: SEPULVEDA TRANSIT CORRIDOR AUTHORIZE the Chief Executive Officer (CEO) to: A. AWARD AND EXECUTE a 50-month, firm fixed price Contract No. AE67085000 to HTA Partners, a joint venture between HNTB Corporation, Terry A. Hayes Associates Inc. and AECOM Technical Services, Inc., for environmental analysis and advanced conceptual engineering (ACE) design services on the Sepulveda Transit Corridor in the amount of $48,304,067 (inclusive of two optional tasks: Task 11 for an additional alternative in the amount of $6,778,040 and Task 12 for Westside-LAX environmental clearance in the amount of $7,544,627), subject to resolution of protest(s), if any; the amount of $3,394,472 has been requested in the FY21 budget in Project 460305 (Sepulveda Transit Corridor) in Cost Center 4360 to support environmental clearance, Advanced Conceptual Engineering, and associated community outreach; upon approval of this action, staff will ensure necessary funds are allocated to the project in coherence with the Continuing Resolution until the FY21 budget is adopted in September; and B. APPROVE Contract Modification Authority in the amount of 25% of the contract award value and authorize the CEO to execute individual Contract Modifications within the Board-approved Contract Modification Authority.