Travel Time Indicator TTI Inspection and Testing
Installation Verify TTI installation location. Verify that all power connections … Read more
Installation Verify TTI installation location. Verify that all power connections … Read more
General Verify that MVRD is installed at the correct location. … Read more
Installation Verify that all demand detection zones have been installed. … Read more
Camera Lowering System Verify the camera lowering system was properly … Read more
Pre-Installation Requirements Inspect exterior and interior of sign for damage. … Read more
Testing Procedures Fiber Optic Cable Testing OTDR Testing Procedure Test … Read more
Current transformer (CT) test procedure This test is considered as … Read more
Patching, Replacement and Modification of Electrical Work After installation of … Read more