Art. 1069.07 Pole and Tower
be attached to concrete walls with three 1/4 in. (6 mm), self
drilling, snap-off type galvanized steel concrete anchors set
flush with the wall, or power driven fasteners approved by the
Engineer. The brackets shall be offs
(2) Double Door Enclosure.
a. Cabinet. The cabinet shall be of the dimensions shown on
the plans and fabricated from 1/8 in. (3 mm) thick ASTM B
209, Alloy No. 3003-H14 aluminum. The cabinet shall comply
with UL 65 and UL 50 and be reinforced with aluminu
Welding shall be by inert gas shielded arc (GMAW or GTAW).
All welds shall be free from cracks and pores. All poles shall
be heat treated after welding.
The shaft shall be spun drawn to a smooth, circular, seamless
taper. All aluminum poles shall have a s
or DC, without modification. A 120 V step-down transformer
shall be furnished to provide the 12 V lamp source and shall
be housed within the luminaire. The lamp shall be 12 V, 0.55
A, 4,000 hour life minimum, clear S-8 marine signal lamps with
The contactor operating coil shall operate at phase to neutral
voltage. Single phase contactors shall be two pole devices
with continuous rating for the amperage selected per pole.
Open and closed positions for mechanically held contactors
shall be clearl
The base plate shall be circumferentially welded to the tower
shaft. A backer ring shall be used for this circumferential
weld. All crevices at the backer ring shall be completely
sealed to moisture and corrosion.
All tower shaft hardware, such as ground
a. General. The photocell shall consist of a metal electrode,
molecularly bonded to a ceramic wafer, and coated with
cadmiumsulfide. The photo cell shall be highly corrosion
resistant without Plastic dipping with a nominal 0.75 sq in.
(484 sq mm) in surfa
shall be field adjustable without special tools. Complete
installation instructions, details on wiring connections, and
information on time setting, manual operation, and necessary
adjustments shall be furnished with each time switch.
The time switch shal
even texture, free from dents, kinks, ripples, imperfections,
scratches, marks or other defects.
Art. 1069.01 Pole and Tower
Aluminum and stainless steel poles shall not be painted.
Except for weathering steel poles, steel poles shall not be
1.6 sq ft (0.15 sq m) on a single 4 to 15 ft (1.2 to 4.5 m) arm,
and shall also withstand loadings of up to and including the
same luminaire on each of two 4 to 12 ft (1.2 to 3.6 m) arms
(twin) oriented 180 degrees apart, meeting the criteria of
without field adjustment. It shall be a two circuit control
rated for 2.0 kW maximum, continuous tungsten load up to
131 F (55 C) ambient air temperature at 120 V. Flash rate
shall be 30 FPM 2/3 on, 1/3 off duty cycle. Normally closed
solid state relay co
Mounting and back plates shall be of Aluminum Alloy 2024,
3003 or 6061. Bolts, nuts and washers shall be of Series 300
stainless steel. Bolts shall have hexheads. Nuts shall be
hexagon and self locking. Washers shall be of the flat type.
The pole shall be designed such that deflection of the pole tip
from the vertical axis does not exceed one degree per 10 ft (3
m) of the nominal pole height as caused by the maximum
design wind loading in combination with the deadweight
moment of the lumi
(3) Wall Mount Enclosure. A wall mounted cabinet shall be
according to Article 1068.01(b)(1), except when a stainless
steel cabinet is specified, the following requirements shall be
a. Cabinet. The cabinet shall be a wall mounted type, NEMA
4X, not l
invitation for bids. A 90 mph (145 km/hr) wind velocity and a
minimum design life of 50 years shall be applied using Fatigue
A minimum total combined luminaire weight of 600 lb (272 kg)
shall be used plus a combined hood area and lowering ring
As part of the tower shop drawings and product data
submitted for approval, support and hoist cable information
shall be provided. The information shall include the following.
(1) Catalog information to confirm sizing, stranding and other
including fittings and hardware. The warranty shall be
transferred to the Department.
(a) Mast Arm Style. The arm shall be aluminum truss type
according to Article 1069.02(a) and shall be painted with a
powder coated process to match the pole.
(b) Tenon T
the upper section at the slip joint. Towers having slip joint
construction shall be prefitted and match marked at the
factory and shall be shipped disassembled for assembly at the
jobsite. Slip joints shall be marked to assure the 1.5 times
The auxiliary circuit, including transformer primary and
secondary, shall have overcurrent protection according to NEC
The interior, 100 W incandescent lighting fixture with die cast
guard shall meet the requirements of UL 1598 and be of the
(c) Shaft Design. The pole shall be designed with a minimum
wall thickness to satisfy all design loading requirements.
However, in no case shall the pole shafts have a wall thickness
less than those shown on the plans. Reinforcing sleeves shall
not be use
Luminaire Art. 1067.07
(1) Dual Cavity Luminaire with Transfer Relay. The luminaire
shall have two separate lamp cavities each equipped with
fresnel lens and spring mounted, vibration resistant, medium,
600 watt, 250 volts, porcelain socket. The navig
(e) Luminaire Ring. Each tower shall be provided with a
luminaire ring suitable for the quantity, type, and orientation
of the luminaires specified. The ring shall mate/align with the
head frame and shall be coordinated relative to seating force.
blocks, lugs, etc. shall be copper. All wiring shall be tagged
with self-sticking cable markers. When the contract drawings
do not specifically indicate assigned wire designations, the
manufacturer shall assign wire designations and indicate them
on the s
approved by the Engineer shall be used on weathering steel
(a) Mast Arm Style. The mast arm, pole cap, and grommets
shall be according to Article 1069.02(a), except as follows.
(1) Arm. The truss style arm shall be fabricated from the same
All full penetration welds shall be inspected for soundness by
the ultrasonic method and all partial penetration welds shall
be inspected by the magnetic particle method.
Weld procedure specifications for seams and circumferential
welds shall be qualified
HSLAS Class 2. The base plate shall be AASHTO M 270 Grade
50 or 50S (M 270M Grade 345 or 345S). The handhole frame
and pole tenon shall be ASTM A 500 Grade C or ASTM A 513
Type 5 DOM1015 or 1020 tubing. The poles shall be
galvanized according to AASHTO M
characters 3 in. (75 mm) high on tags nominally 2 1/2 x 3 5/8
in. (65 x 90 mm) in size. Slide in holders shall be aluminum
and shall have both ends crimped after tags are inserted. The
holders shall be attached to the poles with 1 1/2 in. (38 mm)
Tower inside shall be painted with organic zinc rich primer
The paint system to be used shall be included with the
submittal for approval by the Engineer. The three coat paint
system shall consist of an organic zinc rich primer, epoxy or