502 EM385-1-1 Sections 14-19

32.A.06 Excavations.

1. Open trenches or excavations are not permitted within the RSA while the runway is open or on the Taxiway Surface Area while the taxiway is open.
• (1)If possible, backfill trenches before the runway or taxiway is opened.
• (2)If the runway or taxiway must be opened before excavations are backfilled, cover the excavations appropriately.
• (3)Covering for open trenches must be designed to allow the safe operation of the heaviest aircraft operating on the runway across the trench without damage to the aircraft.

3. Lights must be red, either steady burning or flashing, and must meet the luminance requirements of the State Highway Department. Lights must be mounted on barricades and spaced at no more than 10 ft (3 m). Lights must be operated between sunset and sunrise and during periods of low visibility whenever the airport is open for operations. They may be operated by photocell, but this may require that the contractor turn them on manually during periods of low visibility during daytime hours.

32.A.07 Nothing must be placed upon the landing areas without authorization of the GDA.

Vehicles

32.A.08 All vehicle access must be at an entry control point (ECP) and approved by the Airfield Manager. Effective control of vehicles required to enter or cross aircraft movement areas must be maintained as directed by the Airfield Manager.

1. Training must be provided to vehicle drivers and equipment operators to ensure compliance with the airport operator's vehicle rules and regulations. Specific training should be provided to those vehicle operators providing escorts. See AC 150/5210-20, Ground Vehicle Operations on Airports, for information on training and records maintenance requirements.
2. Vehicles other than those that routinely traverse any portion of the AOA under the control of ATC, which are not escorted by a vehicle in constant two-way radio communication with ATC and properly equipped and authorized to operate in the AOA, must be provided with a flag on a staff attached to the vehicle so that the flag will be readily visible.
3. At airports without air traffic control facilities, flags must be provided on all vehicles.
4. The flag must be at least a 3-ft by 3-ft (0.9-m by 0.9-m) square having a checkered pattern of international orange and white squares at least 1 ft (.3 m) on each side.

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