the runway.] [In some confusing locations FAA AC 150/5345-46, Type L-804,
elevated flashing lights may be required.] [Hold position signs shall meet
the requirements of FAA AC 150/5345-44, Type L-858R, with the size and
information as indicated on the contract drawings.]
2.13
HELIPAD LIGHTING SYSTEMS
2.13.1
General
Helipad lighting, when required, shall be in accordance with Section 16525A
HELIPAD LIGHTING AND VISUAL NAVIGATION AIDS.
2.13.2
Hoverlane Lights
The hoverlane lights shall be alternating aviation green and aviation
yellow lights along the centerline of the hoverlane path. The fixtures
shall be FAA AC 150/5345-46, Type L-861, for elevated lights with
alternating yellow and green globes as required or indicated on the
contract drawings. These lights shall be frangibly mounted on [stakes]
[light bases]. For hoverlanes across paved areas, the fixtures shall be
FAA AC 150/5345-46, Type L-852E mounted on FAA AC 150/5345-42, Type [L858]
[L-857] light bases. The hoverlane lights shall be energized from a [6.6
ampere series circuit through isolation transformers] [120/240-volt
multiple circuit] power source as indicated on the contract drawings. The
isolation transformers for series circuits shall be FAA AC 150/5345-47,
Type L-830-1.
2.14
EXPLOSION-PROOF FIXTURES FOR HAZARDOUS LOCATIONS
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NOTE: Only fixtures that are listed by U.L. or an
equivalent lab shall be used in explosion-hazardous
locations. The listing must reflect the installed
configuration. The lights referenced in Standard
Detail No. 40-06-05 have not been approved for the
purpose.
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Fixtures to be installed in explosive hazardous locations shall meet the
requirements of and be listed by UL Elec Const Dir or FM P7825a, FM P7825b
as defined in NFPA 70 for the hazard and application. The explosion-proof
fixtures are located as shown on the contract drawings or otherwise
specified herein.
2.15
GLIDE SLOPE INDICATOR
The glide slope indicator for airfields shall be the Precision Approach
Slope Indicator (PAPI). For the heliports the glide slope indicator unit
shall be the PAPI or the CHAPI as indicated on the contract drawings.
2.15.1
PAPI
The light units for the PAPI shall meet the requirements of [FAA AC
150/5345-28, Type L-880] [FAA E-2756]. The system consists of four light
units.
2.15.2
CHAPI
The light units for the CHAPI systems for heliport glide slope indicators,
SECTION 16526A
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