Ontario

City Council

August 19, 2025 Item #12

Agenda Item 12

12. A CONSTRUCTION CONTRACT WITH NORSTAR PLUMBING & ENGINEERING INC., A\nPROFESSIONAL SERVICES AGREEMENT WITH ARDURRA GROUP INC., AND AN\nAMENDMENT TO THE PROFESSIONAL SERVICES AGREEMENT WITH NINYO & MOORE INC.,\nFOR THE DOWNTOWN WATER MAIN IMPROVEMENT PROJECT\nThat the City Council take the following actions:\nA. Approve the plans and specifications and award Contract No. UT 1066 Downtown Water\nMain Improvements project to Norstar Plumbing & Engineering Inc., of Alta Loma,\nCalifornia, in the amount of $7,734,413 plus a 15% contingency of $1,160,161 for a total\nnot-to-exceed amount of $8,894,574, a term of 183 calendar days after issuance of\nnotice to proceed, and authorize the City Manager, or designee, to execute said contract\nand file a notice of completion at the conclusion of all construction activities related to\nthe project.\nB. Approve and authorize the City Manager, or designee to execute a Professional Services\nAgreement with Ardurra Group Inc., of Newport Beach, California, for a total not-toexceed amount of $179,479 for construction engineering services and a term from\nAugust 19, 2025 to August 19, 2027.\nC. Approve and authorize the City Manager, or designee to execute Amendment No. 1 to\nthe Professional Services Agreement with Ninyo & Moore Inc., of San Diego, California,\nfor $141,136 for a total not-to-exceed amount of $291,136 for geotechnical and material\ntesting services and a term from May 2, 2023 to May 2, 2027.