Item 21 - Construction Contract for the Santa Ana Zoo Hive Building

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V. MANUFACTURED AND ASSEMBLED MATERIALS • The City shall accept manufactured or prefabricated structural materials based on either a Certificate of Compliance or/and source inspection by the City, Caltrans or a qualified private testing laboratory. Guidelines from Caltrans shall be used to determine which materials can be accepted based on certificates of compliance. The Resident Engineer shall ensure that a Certificate of Compliance is furnished with each lot of materials to be delivered to the site and that lot numbers and the project number be clearly identified on the certificate and on lot tags affixed or stenciled to the released materials. • The certificates shall be signed by the manufacturer to certify that the materials and workmanship are in compliance with the project specifications. The project inspector's daily report shall make reference for all materials accepted on the basis of a signed Certificate of Compliance. • Materials accepted on the basis of a Certificate of Compliance may be tested later. Items found not in compliance with contract requirements may be subject to rejection. • A Certificate of Compliance for each item shall be kept in the Resident Engineer's file. • Exhibits 16-T1 and 16-T2, attached, list materials requiring a Certificate of Compliance. VI. ACCEPTANCE TESTING AND SAMPLING • The City, through its selected testing laboratory, shall conduct acceptance sampling and testing of materials and work on the first day such work is performed and continues daily until the work is completed. The Resident Engineer or the designated construction inspector shall maintain a material and testing "Summary Log", which shall include location and depth of samples, quantity of sample material, name of the tester, test results and retest result of the previously failed samples with cross reference numbers. The Frequency Tables can be used as guidelines for these tests. • The selected testing laboratory which will conduct Acceptance Testing (AT) shall have and maintain current Caltrans Accreditation throughout the duration of contract. VII. SOURCE INSPECTION • When the County of Orange and the private laboratories can't provide source inspection for the City, the City may request the assistance from Caltrans Office of Materials Engineering and Testing Services to provide the above mentioned inspections. The request shall be made sufficiently in advance and shall comply with the following: 1. Submit Request for Source Inspection (Exhibit 16-W) to Caltrans' District Local Assistance Engineer (DLAE) 30 days prior to submitting the "Request for Authorization to Proceed with Construction." City of Santa Ana Quality Assurance Program 2020 Page 5