H.12. 20-1349 APPROVE THE FIRST AMENDMENT TO THE AGREEMENT WITH KOA CORPORATION FOR ADDITIONAL INSPECTION SERVICES FOR THE RESIDENTIAL STREET REHABILITATION PROJECT, CYCLE 2, PHASES 1 & 2, JOB NO. 40190 AND THE SANITARY SEWER PROJECT - 2020 UPGRADES TO PCH/VISTA DEL MAR PROJECT, JOB NO. 50150, FOR AN ADDITIONAL AMOUNT OF $174,920 FOR A TOTAL NOT TO EXCEED AMOUNT OF $507,570, FOR THE EXISTING TERM