Markers shall be provided, to withstand a static wind load of 1.9 kPa 0.28
psi, and suitable for connection to the secondary of the isolation
transformers specified. Internally illuminated markers shall be provided
with illumination of the face not less than 50 percent of that at rated
current when the series lighting circuit is operated at the lowest
brightness step. Marker housing shall be fiber reinforced epoxy, with
information faces of high-impact acrylic or ultraviolet stabilized
polycarbonate. The power supply and lamps shall be Style 3, [Class 1]
[Class 2] [as indicated] [as recommended by the sign manufacturer].
2.11.7
Arresting Gear Markers
The arresting gear markers shall be the same as Runway Distance Markers,
except markers shall have a 990.6 mm 3.25 foot translucent yellow circle in
place of numerals as specified above.
2.12
TAXIWAY LIGHTING SYSTEMS
**************************************************************************
NOTE: Use FAA fixtures where appropriate. Fixtures
in a unique taxiway lighting system shall be of a
similar type. Do not mix military and FAA fixture
types in unique systems.
**************************************************************************
Taxiway lighting systems shall include edge lights, [centerline lights],
[guidance signs], and hold position lights and signs. These systems shall
also include the associated equipment, power supplies and controls,
mounting devices, and interconnecting wiring to provide complete systems as
specified.
2.12.1
Taxiway Edge Lights
Taxiway edge light shall emit aviation blue light provided by filters or
globes for both airfields and heliports. The edge lights shall meet the
requirements of FAA AC 150/5345-46, [Type L-861, elevated,] [Type L-852E,
semiflush,] lights.
2.12.2
Taxiway Centerline Lights
Taxiway centerline lights shall be semiflush fixtures using filters to
provide aviation green light. These centerline light fixtures shall meet
the requirements of FAA AC 150/5345-46, [Type L-852A on straight sections]
[Type L-852B on curved sections].
2.12.3
Taxiway Guidance Signs
The taxiway guidance signs shall meet the requirements of FAA AC 150/5345-44,
[Type L-858Y for information] [and] [Type L-858R for mandatory signs]. The
size and information on the signs shall be as shown on contract drawings.
The power supply to connect to [series] [multiple] circuits shall be as
[indicated on the contract drawings] [approved by the manufacturer].
2.12.4
Hold Position Lights and Signs
The hold positions shall be marked by painted lines [and] [lights] [and/or]
[signs] as specified or indicated on the contract drawings. [The lights
shall meet the requirements of FAA AC 150/5345-46, Type L-852A, semiflush,
unidirectional, with aviation yellow filter toward the taxiway approach to
SECTION 16526A
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