if required, shall consist of two units which meet the basic requirements
of [FAA AC 150/5345-28, Type L-880,] except the on-glide-slope indication
has been replaced by a two degree wide green lens.
2.16
LIMIT LIGHTS
The fixtures for limit lights shall be FAA AC 150/5345-46, Type L-861 with
red globes and 45-watt lamps. These lights shall be frangibly mounted on
[steel stakes] [light bases if in paved areas].
2.17
OTHER LIGHTING SYSTEMS AND VISUAL AIDS
**************************************************************************
NOTE: The designer will rename this paragraph as
appropriate for a specific project or delete if not
required. Air Force Regulation AFR 88-14 will be
used to specify lighting systems and visual aids for
which there are no Army or FAA standards.
**************************************************************************
2.18
HELIPAD LIGHTING SYSTEMS
Where helipad lighting interfaces with airfield and heliport lighting
systems, the helipad lighting as required shall be in accordance with
Section 16525A HELIPAD LIGHTING AND VISUAL NAVIGATION AIDS.
2.19
FACTORY COATINGS
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NOTE: A 200-hour test should be specified in a
noncorrosive environment and a 500-hour test will be
specified in a corrosive environment.
**************************************************************************
Equipment and component items, including but not limited to transformer
stations and ferrous metal luminaries not hot-dip galvanized or porcelain
enamel finish shall be provided with corrosion-resistant finishes which
shall withstand [200] [500] hours of exposure to the salt spray test
specified in ASTM B 117 without loss of paint or release of adhesion of the
paint primer coat to the metal surface in excess of 1.6 mm 1/16 inch from
the test mark. The scribed test mark and test evaluation shall be in
accordance with ASTM D 1654 with a rating of not less than 7 in accordance
with TABLE 1, (Procedure A). Cut edges or otherwise damaged surfaces of
hot-dip galvanized sheet steel or mill galvanized sheet steel shall be
coated with zinc rich paint conforming to SSPC Paint 20 in accordance with
ASTM A 780.
PART 3
EXECUTION
3.1
GENERAL INSTALLATION REQUIREMENTS
Circuits installed underground shall conform to the requirements of Section
16375A ELECTRICAL DISTRIBUTION SYSTEM, UNDERGROUND, except as required
herein. Steel conduits installed underground shall be installed and
protected from corrosion in conformance with the requirements of Section
16402 INTERIOR DISTRIBUTION SYSTEM. Except as covered herein, excavation,
trenching, and backfilling shall conform to the requirements of Section
02300 EARTHWORK. Concrete work shall conform to the requirements of
Section 03300A CAST-IN-PLACE STRUCTURAL CONCRETE.
SECTION 16526A
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