Water well prob, need ideas....

[J_J]

MotorSeven,

I went back and re-read Your first post, and I noticed that you are trying to pull water from 40 ft. That is a bit much for the standard pump. You can improve o the water ability by going to a deep well jet. I used something similar in a 2 in well. If you do this, you will need a deep well pump or a convertible deep well pump. Two pipes go down the well hooked to a jet valve, which allows the pump to force water down and back up through the jet assembly to obtain more water. These are normally used when the well is greater than 25 or thirty ft. Is there any reason;n that you can not put your pump directly over the culvert. Then you would be pulling from about 6 ft. A water proof housing with the pump inside would be ideal to mount on top of the culvert. You can push water better than pulling water.

 

[Egon]

6' of elevation

The elevation difference is only six feet with a run of about 40 feet which is well within capabilities of the pump.

 

[tommu56]

I didn't think if it earlier can you jet a well screen in to the sand to give you more area to keep the well point from clogging?

like this put something big like 10 " you should be able to jet it in.

http://www.certainteed.com/resources/slottedpvcwellcasing403733f.pdf


http://www.alloymachineworks.com/pdf/PioneerPBS_ds_sec.pdf

then you could drop a regular submersible in to the casing.
tom

 

[MotorSeven]

That Pioneer wire wrapped pipe looks like it would work very well. But, since the culvert was free....in it goes. Turns out the backhoe is down, so it may be a week or so before it arrives. I'll update then with installation pic's. Thanks for the help on this from all that posted!

RD

 

[J_J]

Here is some more data for your consideration.


Troubleshooting Suction Lift Applications | PumpStoreUSA.com

 

[Egon]

Reynolds tables so one determine changes to the NPSH would be more helpful.

 

[MotorSeven]

It's in!

Finally got the 'hoe here. I poured a 4" concrete floor in the bottom of the culvert, then drilled 20 or so 1/2" holes around the base up to about 2'. The culvert was then lowered into the hole & it was backfilled. It took about 3 hrs for the water to seek it's own level.

My only possible issue is the two 1 1/2 inch sch 40 pvc fittings that I had to connect under about 6" of water. I think that is pushing the "rain or shine" pvc glue to it's max. If it doesn't hold, I will have to use a flex pipe with clamps to run 3'. Two gallons of bleach also went into the cassion to sanitize it. I am going to let the glue set until tomorrow before testing.

I cut a piece of plywood, lined the rim with "Release(non stick) foil, then poured a concrete lid using 2 bags of sacrete.

I'll post results of the test tomorrow.........{fingers crossed}

RD