902.21 Laboratory Testing Guidelines for Sec 902
To establish procedures for Laboratory testing and reporting samples of bolts, nuts, and washers used in traffic signals. Refer to Sec 0902 for MoDOT's specifications.
902.21.1.1 Chemical Tests
Mass of coating shall be determined according to AASHTO M232. Original test data and calculations shall be recorded in Laboratory workbooks. Test results shall then be recorded through SiteManager.
902.21.1.2 Physical Tests
Samples of bolts and nuts shall be tested according to EPG 7188.8.131.52 Physical Tests - Bolts and Nuts. Original test results and calculations shall be recorded through SiteManager.
902.21.2 Sample Record
The sample record shall be completed in SiteManager, as described in Automation Sec, and shall indicate acceptance, qualified acceptance, or rejection. Appropriate remarks, as described in EPG 106.20 Reporting, are to be included in the remarks to clarify conditions of acceptance or rejection. Test results shall be reported on the appropriate templates under the Tests tab.