A-3. 23-670 CC- ACTION ITEM: (1) Approval of Landscape Plans for City-Owned Properties at 3868 and 3900 Sepulveda Blvd (Known as Project Homekey); (2) Approval of Amendments to Existing Construction Contracts with Cornerstone Construction Group, Inc. in Amounts Not-to-Exceed $589,311 and $99,437, Respectively (Totaling $688,748) for Project Homekey Hardscape and Landscape Construction; (3) FOUR-FIFTHS VOTE REQUIREMENT: Approval of a Budget Amendment in an Amount Not-to-Exceed $688,748 from the General Fund's Unassigned Fund Balance; and (4) Direction to the City Manager as Deemed Appropriate.