10.26.2021-SBN-Standards-Manufacturer-Additions-Minor-Revisions-final

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SECTION 4 – SANITARY 70 2.) Material Testing Collect two (2) samples for processing and testing per each rehabilitated sewer segment. Process and test one (1) sample and provide one (1) sample to the City Engineer’s Representative. Chain of Custody procedures shall be used in handling of samples. The samples shall be restrained for all diameter of CIPP eighteen (18) inches or less; and flat plate for diameters of CIPP larger than eighteen (18) inches. The flat plate samples shall be taken directly from the wet out tube, clamped between flat plates, and cured in the downtube. The restrained samples shall be tested for initial physical properties and thickness; the flat plate samples shall be tested for initial physical properties only. Testing shall be completed by an accredited, independent laboratory. The testing laboratory’s accreditation documentation shall be submitted to the City Engineer for review and approval prior to testing. Testing results shall be provided to the City Engineer within twenty-one (21) days of CIPP installation. Samples shall be conditioned and prepared in accordance with ASTM D618 and ASTM D5813 to ensure consistency in laboratory results. Thickness shall be measured in accordance with ASTM D5813, latest version. Flexural testing shall be in accordance with ASTM D790, latest version. 3.) Infiltration/Exfiltration Testing All CIPP lined pipes shall be subjected to leakage testing in accordance with the requirements of ASTM F126 or ASTM F1743 as applicable. Testing to be conducted prior to lateral reinstatement. The rate of infiltration/exfiltration shall not exceed fifty (50) gallons per inch diameter per mile per day. Low pressure air testing in accordance with ASTM 1417 will be considered as an acceptable alternative test method by the Engineer upon written request. 4.) The City Engineer’s Representative shall be advised forty-eight (48) hours prior to conducting all tests (including sample preparation). Testing results shall be provided to the City Engineer within twenty-one (21) days of liner installation. 4-4.2 (j) STRUCTURE LINING TESTING 1.) The City Engineer’s Representative shall be notified forty- eight (48) hours prior to the conducting of all tests. 2.) Holiday Detection Test: After the protective coating has set hard to the touch it shall be inspected with high-voltage holiday detection equipment. Surface shall first be dried; an induced holiday shall then be made on the coated concrete surface and shall serve to determine the minimum/maximum voltage to be used to test the coating for holidays at that particular area. The spark tester shall be initially set at 100 volts per one (1) mil [twenty-five (25) microns] of film thickness applied but may be adjusted as necessary to detect the induced holiday (refer to NACE RPO188-99). All detected holidays shall be marked and repaired by abrading the