WAC 468-34-290   Vertical clearance.  The vertical clearance for overhead power and communication lines above the highway and the lateral and vertical clearance from bridges shall conform with the National Electrical Safety Code and/or with the clearances as shown below, whichever is greater.







TYPE OF UTILITY LINE 		LINES

CROSSING

ROADWAYS

LONGI-

TUDINAL
Communications and Cable

Television

Communications and/or Cable

Television joint usage with

electrical



ELECTRICAL

0 - 750 volts

751 - 15,000 volts

15,001 - 50,000 volts

50,001 volts and over

24'





20'





24'

30'

32'

34'

20'





20'





24'

27'

32'

32'


     (1) The minimum height of highway crossing shall be measured from the point of the roadway directly under the crossing.

     (2) The minimum height of longitudinal lines shall be measured from ground line.

     (3) All clearances shall be at State Electrical Construction Code temperature and loading standards, and comply with all other requirements of this code.



[Statutory Authority: Chapter 47.44 RCW. 89-05-022 (Order 119), § 468-34-290, filed 2/10/89. Statutory Authority: 1977 ex.s. c 151. 79-01-033 (DOT Order 10 and Comm. Order 1, Resolution No. 13), § 468-34-290, filed 12/20/78. Formerly WAC 252-04-255.]