12F341 - 3Ø 11' Double Deadend Alley Arm

Revision 3
Jul 17, 2018

Note: This standard has been updated with a fiberglass crossarm but the drawing has yet to be updated.

Notes:

  1. Minimum 7’-0” for poles up to 45’ in height. Increase spacing to 8’-0” for poles 50’ and taller.
  2. Engineer must specify the size & number of down guys depending on conductor design tension, line angle, available down guy lead, soil class and span length. Refer to T&D Guideline Section 4-6 and Compatible Unit Sections A and G. Down guy(s) or self-supporting poles are required for 795 kcmil AAC alley arm framing.
  3. Refer to T&D Guideline 4-23-1.0 for allowable construction angles.

Material List
Compatible Unit Description Quantity
C0550 Tap Wire, Insul 4/0 Soft Drawn Copper 40
I0103 Insulator, #2 Single Point Secondary Rack 2
I0388 Insulator, Sgl Polymer Vise-Top Insulator - 5/8" x 8" Pin Fiberglass Crossarm Mount 6
I0322 Insulator, Sgl DE Insulator w/ 5/8” Eye Nut - One-Way DE 6
R0702 Bolt, Double Arming 5/8" x 20" 3
R0741 Washer, Square Flat 2" Sq with 11/16" Hole, Galv Steel 12
R1115 Split-Bolt, Pole Top 1
T010+ Deadend, Preform 2
T030* Clamp, Straight Line Deadend 6
X0553 Crossarm, 10' Fiberglass Alley Arm 1
Z06* Connector, Wedge 6
Z063+ Connector, Wedge 2