the furnishing of all material, equipment and labor required to inspect approximately 3 miles of track including 4 switches and 3 bridges. This work must be in complete accordance with best modern railroad practices. Monthly Tests • Ground test on each energy bus at every location when placed in service and at least once each month. • Standby power shall be tested at each location at least once each month. • Each flashing light unit shall be inspected for proper visibility, dirt and damage to roundels and reflectors at least once each month. • Each gate arm and gate mechanism shall be inspected for proper operation at least once each month. • Each highway-rail crossing warning system shall be tested to determine it functions as intended when installed and at least once each thereafter and also whenever modified or disarranged. • Warning bells or other stationary audible warning devices shall be tested when installed and at least once each month. Highway traffic signal pre-emption interconnections for which the railroad has maintenance responsibility shall be tested at least once each month. Quarterly Tests • Each cut-out circuit shall be tested at least once every three months. • Insulated rail joints, bond wires and track connections shall be inspected at least once every three months.
