trenching attachment advice

   / trenching attachment advice #1  

Bristol Fashion

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May 28, 2025
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bcs 737
Hiya, we're a csa here in Bristol, using a venerable bcs 737. Is anyone aware of an attachment that can dig a narrow trench suitable for burying 20mm black water pipe, ie narrow and around 30cm deep?
 
   / trenching attachment advice #2  
Hiya, we're a csa here in Bristol, using a venerable bcs 737. Is anyone aware of an attachment that can dig a narrow trench suitable for burying 20mm black water pipe, ie narrow and around 30cm deep?
 
   / trenching attachment advice #3  
other option would be to use the rotary plow since you only need it under the surface.
 
   / trenching attachment advice #4  
I've rented a self propelled walk behind trencher numerous times, it did a trench 6"x18" at over 100' feet per hour, in hard rocky ground. Take small 6" bites, (multiple passes). Well under $100/day.
 
   / trenching attachment advice #5  
When I worked for Bell Telephone, we used a vibratory plow instead of a trencher. We used it to install black water pipe for later use as conduit for underground wiring.

Unlike a trencher, the plow made very little surface damage. On most jobs, you couldn't tell any work was done.

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Many rental yards have them at reasonable rates. Unless you do a lot of work like this, it might be cheaper to rent rather than buy an attachment.
 
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