April/May/June 2021 I 41
FIGURE 8: Shown is a 1600-foot (488 m) reel of 7-way duct (left). Notice the 7 micro duct optical fiber pathways (right).
Accomplishing the Redundant Backbone with Air-Jetted Cabling
The high-capacity 7-way duct, featuring 7-22mm outer diameter/16mm inner diameter micro duct fiber pathways
(Figure 8), was direct-buried along the roadside within state-owned right of way access using a combination
of directional drilling and vibrate plowing methods (Figure 9).
FIGURE 9: In addition to directional drilling, vibrate plowing methods were used to install the 7-way duct.