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| The Luminaire
arm is made from 2" SCH 40 pipe with a minimum yield strength of
42,000 psi. |
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| The Signal arm
is made from a structural quality weldable grade of hot-rolled carbon
steel with a minimum yield strength of 55,000 psi or 65,000 psi. The arm
has a round or polygonal cross-section and a uniform taper of 0.14 inches
per foot of length. |
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| The pole and
arm plates are fabricated from hot-rolled carbon steel with a minimum
yield strength of 36,000 psi and are joined with four or six hex head
nuts. |
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| The Arm and
pole simplex plates are fabricated from carbon steel with a minimum yield
strength of 36,000 psi. The simplex is furnished with one 1/2"-13 UNC
hex head bolt. |
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Polygonal |
Round |
| The pole shaft is fabricated from a structural
quality weldable grade of hot-rolled carbon steel with a minimum yield
strength of 55,000 psi or 65,000 psi. the shaft has a round or polygonal
cross-section with a uniform taper of 0.14 inches per foot of length. |
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| The poles are
furnished with a 4" X 6" handhole located 15 inches above the
base. The handhole has a 1/2"-13 UNC nut for grounding purposes and
is supplied with a handhole cover and required hardware. |
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| The base plate is
fabricated from structural quality weldable hot-rolled carbon steel with a
minimum yield strength of 50,000 psi |
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| The anchor bolts
are fabricated from hot-rolled carbon steel bars with a minimum yield
strength of 55,000 psi. The threaded end is galvanized a minimum of
12" and each bolt is furnished with two flat washers and two hex
nuts. |
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