5. Authorize execution of a construction contract with MAC, INC, Austin, TX for the Southern Walnut Creek Hike and Bike Trail project, in the amount of $8,047,368.50 plus a $402,368 contingency, for a total contract amount not to exceed $8,449,736.50.
6. Authorize negotiation and execution of an amendment to the professional services agreement with HALFF ASSOCIATES, INC.,for additional engineering design and construction phase services for the Southern Walnut Creek Hike & Bike Trail in an amount not to exceed $102,673 for a total authorization of $1,752,210.97. Related to Item #22.