Straight Octagonal Tapered Steel (NST)

Straight Octagonal Tapered Steel (NST)

 

Wind speeds (mph) in the table denote the maximum wind gust speed at the project site (i.e. gust factor included). Maximum EPA rating includes fixture(s) and supporting arm(s) and is for standard pole installation on concrete bases/footings. Pole designs based on AASHTO Standard Specifications for Structural Supports for Highway Signs, Luminaires, and Traffic Signals. Contact Sales Team for custom sizes and/or applications. Specific information and details may be subject to change without notice. Please see Warranty and Terms & Conditions.

Catalogue 
Number

Pole
Height
(ft)

Pole
Weight
(lbs)

Anchor Bolt
Diameter (in)

Base
Plate
Type

Maximum EPA (sq.ft.)

80MPH

90MPH

100MPH

110MPH

NST12

12

109

1

A

61.5

48.5

39.0

32.0

NST15

15

130

1

A

48.5

38.5

31.0

25.0

NST18

18

151

1

A

38.5

30.5

24.0

19.5

NST20

20

165

1

A

33.5

26.0

20.5

16.5

NST25

25

200

1

A

24.0

18.5

14.0

11.0

NST30

30

255

1

B

23.5

17.5

13.5

10.0

NST35

35

292

1

B

17.5

12.5

9.0

6.5

NST40

40

365

1

C

18.0

13.0

9.0

6.0

NST40HD

40

440

1

D

27.0

20.0

15.0

11.0

 

 

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