Infrastructure Products
Royal Pipe Systems
BullDog Integral Joint Restraint
A Directional Bore Project
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| Project: | City of Madelia 8in Water Main Directional Bore. Doug Frederickson - Water Operator Phone #507-642-3245 Madelia, MN 56062 Project Bore done on September 8, 2008 |
| Engineer: | Bolton& Menk Nate Huettl, PE Phone #507-625-4171 Mankato, MN |
| Contractor: | GM Contracting, Inc. Mike Urbin – Estimator Phone #507-726-6433 Phil Bulfer - Job Supervisor Cell #507-327-8043 Lake Crystal, MN |
| Project Specifics: | Location was between a school and the playground. Bore 140’ Depth of Bury 8’ 8” C900 BullDog Pipe Soil - Heavy Tan Clay Slurry - Water+Bentonite, Injected at a rate of 13 gpm/ft Pull rate 2-3 ft/min Pipe pre-assembled with custom pulling head, full length. Bore went in at a 6° grade/10’ length of rod for 30 feet (18° total grade), than changed to a 15° grade for the last +20 until the 8’ depth was reached. Then went level for 140’ and came out in an open cut trench. |
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