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#1
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trenching with finesse
I need to dig a 75' trench for an electrical conduit. Planning to rent a
ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. |
#2
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trenching with finesse
On Sep 26, 12:26*pm, Smitty Two wrote:
I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. Knowing where the source is, the control valves, the heads, you can guess where they are likely to be. You could also take a somewhat longer route that may increase the chances of missing them. But in the end, you do what you gotta do and fix the ones that you hit. |
#3
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trenching with finesse
On Sep 26, 11:26*am, Smitty Two wrote:
I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. What's wrong with contacting JULIE? They are free. |
#4
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trenching with finesse
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#5
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trenching with finesse
On Wed, 26 Sep 2012 10:33:55 -0700, chaniarts
wrote: On 9/26/2012 10:04 AM, hr(bob) wrote: On Sep 26, 11:26 am, Smitty Two wrote: I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. What's wrong with contacting JULIE? They are free. do they mark, or find, user installed drip or spray water lines? i thought they just did utility installed lines. That's my thought too. If the irrigation pipe is metal, a metal detector should work to map them out. I don't know if he's talking lawn sprinklers or what. For that I would expect a grid pattern from sprinkler head to sprinkler head, but I'm just guessing. 75' feet isn't much. |
#6
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trenching with finesse
Smitty Two wrote: I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. Non metallic stuff like irrigation lines will be quite difficult to locate. The only way I can think of is to rent a locator transmitter and receiver set from United Rentals or whoever, and in order to make it work, get a steel fish tape, disconnect the irrigation lines at the valve bank and push the fish tape down them with the transmitter clamped around the fish tape at the valve location. Considering the relative ease and low cost of repairing a severed irrigation line I'd be inclined to just chew through them and be done with it. |
#7
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trenching with finesse
I need to dig a 75' trench for an electrical conduit. Planning to rent a
ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. *If you have not already done so, call 811 and ask for a markdown of the property. Those guys have fabulous detectors. When they are there ask them, with some green in your hand, if they wouldn't mind making an attempt to locate the irrigation pipes in your planned route. My father would swear that divining rods work. |
#8
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trenching with finesse
John Grabowski wrote:
My father would swear that divining rods work. Your father should find someone who can do it and then collect his half of the one million dollar prize. http://www.randi.org/site/index.php/1m-challenge.html |
#9
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trenching with finesse
John Grabowski wrote: I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. *If you have not already done so, call 811 and ask for a markdown of the property. Those guys have fabulous detectors. When they are there ask them, with some green in your hand, if they wouldn't mind making an attempt to locate the irrigation pipes in your planned route. My father would swear that divining rods work. If the irrigation lines are the typical vibratory plow installed poly pipe, there is no metal for the locators to work on. Those locators use a clamp on inductive signal transmitter to inject a signal into wires, metal conduit, etc. for the locator to pickup. See my other post for the idea of pushing a steel fish tape through the irrigation pipe from the valve bank end to provide a locatable piece of metal in the tubing. |
#10
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trenching with finesse
I need to dig a 75' trench for an electrical conduit. Planning to rent a
ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. *If you have not already done so, call 811 and ask for a markdown of the property. Those guys have fabulous detectors. When they are there ask them, with some green in your hand, if they wouldn't mind making an attempt to locate the irrigation pipes in your planned route. My father would swear that divining rods work. If the irrigation lines are the typical vibratory plow installed poly pipe, there is no metal for the locators to work on. Those locators use a clamp on inductive signal transmitter to inject a signal into wires, metal conduit, etc. for the locator to pickup. See my other post for the idea of pushing a steel fish tape through the irrigation pipe from the valve bank end to provide a locatable piece of metal in the tubing. *I was thinking of something like this: http://www.rjmcompany.com/plastic-pi...or-Knocker.pdf or this: http://www.pollardwater.com/pages_pr...320locator.asp Or he could call a company like this: http://www.simplyleakdetection.biz/y...ecialists.html This company offers a non-metallic pipe locator: http://www.detectionsolutions.com.au...e-locators.php For those who want bragging rights there is radar: http://www.rjmcompany.com/Plastic-Pipe-Locator.htm Irrigation pipes usually don't have electrical conduit elbows that have a nice sweep for pulling wires and pushing fish tapes. The hard 90's used for water are almost impossible to get a fish tape through. Maybe the soft metal spring type of fish tape may pass through, but those types of fish tapes are difficult to push any distance. |
#11
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trenching with finesse
dig hole at either end of desired route and use a drill with lots of
extentions to drill a path for the new whatever ,..... its amazingly easy and fast |
#12
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trenching with finesse
"Mike Paulsen" wrote in message
... John Grabowski wrote: My father would swear that divining rods work. Your father should find someone who can do it and then collect his half of the one million dollar prize. http://www.randi.org/site/index.php/1m-challenge.html Fascinating reading. Thanks. From a claim by a Yo-yo dowser: the ideo-motor reflex is the same thing that makes dowsers believe that they are actually divining. Although you BELIEVE that you are not influencing the movement of the yo-yo, you actually ARE, though you are entirely unconscious of it. The only way to prove that you are not physically influencing the yo-yo, would be for you to NOT hold the yo-yo string. There are an awful lot of loons out there. I suppose that's what a million dollar prize does: flush them from cover. -- Bobby G. |
#13
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trenching with finesse
John Grabowski wrote: I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. *If you have not already done so, call 811 and ask for a markdown of the property. Those guys have fabulous detectors. When they are there ask them, with some green in your hand, if they wouldn't mind making an attempt to locate the irrigation pipes in your planned route. My father would swear that divining rods work. If the irrigation lines are the typical vibratory plow installed poly pipe, there is no metal for the locators to work on. Those locators use a clamp on inductive signal transmitter to inject a signal into wires, metal conduit, etc. for the locator to pickup. See my other post for the idea of pushing a steel fish tape through the irrigation pipe from the valve bank end to provide a locatable piece of metal in the tubing. *I was thinking of something like this: http://www.rjmcompany.com/plastic-pi...or-Knocker.pdf or this: http://www.pollardwater.com/pages_pr...320locator.asp Or he could call a company like this: http://www.simplyleakdetection.biz/y...ecialists.html This company offers a non-metallic pipe locator: http://www.detectionsolutions.com.au...e-locators.php For those who want bragging rights there is radar: http://www.rjmcompany.com/Plastic-Pipe-Locator.htm Irrigation pipes usually don't have electrical conduit elbows that have a nice sweep for pulling wires and pushing fish tapes. The hard 90's used for water are almost impossible to get a fish tape through. Maybe the soft metal spring type of fish tape may pass through, but those types of fish tapes are difficult to push any distance. Interesting. The irrigation pipes I see most are continuous flexible poly pipe installed with a vibratory plow and thus have very few obstructions. |
#14
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trenching with finesse
"Smitty Two" wrote in message ... I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. Fix them later, unless your time isn't worth much. Don't bother calling someone to attempt locate them, you'll pay more than it's worth. Universal unions can be had for about 4 bucks a piece. |
#15
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trenching with finesse
On Wed, 26 Sep 2012 09:26:01 -0700, Smitty Two wrote:
I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? That's what I ended up doing. It was cheaper to fix the irrigation system than to delay the propane company. They chewed through two lines (running together) and hit a head. They offered to have it fixed. It only cost me something like $20 and an hour to fix the whole thing so I didn't bother sending them the bill. Fair warning: I will not dignify suggestions of divination with a reply. Spare the rod... |
#16
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trenching with finesse
In article
, Smitty Two wrote: I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. Thanks to all for feedback and suggestions. I'll call before I dig, but other than using some logic about where the sprinkler pipes might be, I'll just assume that I'll end up breaking a couple of them. Didn't know that non-metallic pipes could be located, so that's good info for another project, but probably not worth the trouble for this one. |
#17
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trenching with finesse
On Sep 27, 10:59*pm, Smitty Two wrote:
In article , *Smitty Two wrote: I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply.. Thanks to all for feedback and suggestions. I'll call before I dig, but other than using some logic about where the sprinkler pipes might be, I'll just assume that I'll end up breaking a couple of them. Didn't know that non-metallic pipes could be located, so that's good info for another project, but probably not worth the trouble for this one. If you are that worried about damaging them and having to repair them, you could dig them up by starting near a sprinkler head close to where you want to trench and see which direction the irrigation lines are running in... |
#18
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trenching with finesse
On 9/26/2012 11:26 AM, Smitty Two wrote:
I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. that's funny! I worked for a lawn and landscape company and that (divining) is how we always located them.. Too bad you're too stubborn to try it. -- Steve Barker remove the "not" from my address to email |
#19
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trenching with finesse
On Wed, 26 Sep 2012 09:26:01 -0700, Smitty Two
wrote: I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. For 20 dollars you can get a device that adds Plutoinium 238 to your irrigatiion water. Then mount a geiger counter on the ditch witch and you're good to go. Wait, I googled and the Plutonium costs $500. Forget it . |
#20
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trenching with finesse
"Pete C." wrote:
Smitty Two wrote: I need to dig a 75' trench for an electrical conduit. Planning to rent a ditch witch. What's the secret to locating and avoiding irrigation pipes? Or do you just plan to chew through a few of them and fix them afterwards? Fair warning: I will not dignify suggestions of divination with a reply. Non metallic stuff like irrigation lines will be quite difficult to locate. The only way I can think of is to rent a locator transmitter and receiver set from United Rentals or whoever, and in order to make it work, get a steel fish tape, disconnect the irrigation lines at the valve bank and push the fish tape down them with the transmitter clamped around the fish tape at the valve location. Considering the relative ease and low cost of repairing a severed irrigation line I'd be inclined to just chew through them and be done with it. I was thinking of steel wire and a metal detector. Greg |
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