2.28.2.2
Surge Protection
Provide surge protection in the form of metal oxide varistors (MOV) for
power and signal circuits with ratings as recommended by the system
manufacturer.
2.28.3
Low-Impact-Resistant Towers
Provide fiberglass reinforced low-impact resistant (LIR) towers conforming
to FAA E-2702. Provide anchor bolts, lowering devices and fixture mounting
accessories as required by tower manufacturer.
2.28.4
Semi-Frangible Supports
For lights supported more than 12 meters 40 feet above the ground, provide
a two-element structure; the lower element being a rigid structure and the
upper element being a 6 meter 20 foot LIR structure in accordance with FAA
E-2702.
2.29
RUNWAY AND TAXIWAY LIGHTING SYSTEMS
**************************************************************************
NOTE: Use FAA fixtures where appropriate. Fixtures
in a unique airfield lighting system shall be of a
similar type. Do not mix military and FAA fixture
types in unique systems.
**************************************************************************
[Include runway edge lights, runway threshold lights, runway end
identification lights, circling guidance lights, runway centerline lights,
taxiway guidance signs at intersecting taxiway, intersecting runways and
adjacent to arresting gears, runway touchdown zone lights, runway distance
and arresting gear markers, taxiway edge lights, taxiway centerline lights,
taxiway guidance signs, mounting structures, controls, and the associated
equipment and interconnecting wiring to provide complete systems as
indicated and specified herein. Provide inpavement light fixtures able to
withstand a minimum static single wheel load of 22700 kg 50,000 pounds.]
2.29.1
Runway Edge Lights
[FAA AC 150/5345-46, Type L-862][MIL-L-5904, Type C-1], for elevated
mounting; and FAA AC 150/5345-46, Type L-850 Class C, for semiflush
mounting at intersecting taxiways, at intersecting runways and adjacent to
arresting gear. Provide filters as indicated conforming to requirements of
fixture specifications.
2.29.2
Runway Threshold Lights
Elevated FAA E-982 for mounting outboard of edge lights; and MIL-L-26990,
Type MB-1, for mounting inboard of edge lights.
2.29.3
Circling Guidance Lights
Fixtures shall have 503-watt, 20A/T20/3 lamps.
Lens shall be glass
aviation white, heat resistant.
2.29.4
Runway End Identification Lights
FAA AC 150/5345-51, Type L-849.
Provide fixtures, power and control
SECTION 16522N
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