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- Duct Spacers
- Bore Spacers
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- 8W20-2 Spacer
- 8W20-3 Spacer
- 2882W34-2 Spacer
- 28482W34-3 Spacer
- 284882W34-4 Spacer
- 2882W6434-2 Spacer
- 288282W6434-3 Spacer
- 2882W6434-2 and 2882W64-2i Spacers
- 288282W6434-3 and 288282W64-3i Spacers
- 2882W9434-2, 8W94-2i and 848W94-2i Spacers
- 282882W9434-3, 8W94-3i and 84848W94-3i Spacers
- 28288282W9434-4, 8W94-4i and 848848W94-4i Spacers
- 8W71-2 Spacer
- Technical Info
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BS4079W8 Bore Spacer
Bore Spacer Design Style: Double Wall, Hybrid Type Bore Spacer
Designed to Accomodate: 2 ea. 12" & 6 ea. 3" DR11 HDPE Conduits in a 30.000 OD x .500 Wall Steel Casing (Directional Bore).
Grout Injection Method: Single End, Flush Coupled Extractable Injection Pipe or Stationary Sacrificial Grout Injection Pipe*
Design Features Include: 8 Wheels, Provision For Grout Injection Pipes, Optional Banding Saddles
*Stationary Sacrifical Grout Injection Pipes were utilized on this featured project.

Photo 1: Bore Spacer Section in Steel Casing
Photo 2: Bore Spacer Installation Path
Additional Information:
BS4079W8 Bore Spacer Installation Drawing (PDF File)
BS4079W8 Bore Spacer Test Report (PDF File)
BS4079W8 Bore Spacer Grouting Profile (PDF File)
Trenchless Technology Magazine Profile on this project (PDF File)
T&D World Magazine Profile on this project (PDF File)
BS4079W8 Bore Spacer Installation Photos (PDF File)
Contact one of our sales representatives today
to inquire about a quote from Underground Devices
or call us today at 800-800-2118
