relining a bore_part2

Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps

How To

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Check to see if your Bore can be

RelinedWhy have a new bore drilled when you may be able to repair your old bore

Part 2


How To

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You Have Decided to reline your Bore


How To

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Then the following will help you


How To

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Talk to your local Water AuthorityFind out if you need a permit to

repair your water bore.

Step 1


How To

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Example - Below is a link of requirements for Bores in

Queensland.

http://www.nrm.qld.gov.au/water/management/pdf/waterbore-drillers.pdf

Step 1





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We do not want you to be illegal

Step 1


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Gather Information and Inspect your Bore to find out where the problem is, decide if it can be

repaired and the best method of repair.

Step 2


How To

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Find the original log.If you do not have this, find who the

driller was, that drilled your hole and see if they have a log.

Or

Step 3 Finding Information of Bore


How To

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Go to your Local water authority and try to get a copy of the log.

There may be a cost for this.



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The log will tell you Information like.



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Diameter of the ID of the

bore.

Step 3


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Is it stepped down

anywhere?

Step 3


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What depth is the casing

Step 3


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Where is the screen set.

Step 3


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Is there multiple

screens?

Step 3


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Screen type.



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Connection of screen.



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Water Levels



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Gravel pack size



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This information is invaluable in deciding, the design, calculations, materials needed and quantities needed for a complete repair of your bore.


How To

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If you cannot get or have this information then it is still possible to repair your bore.


How To

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When Inspecting your boreThe problems to look for are

As follows


How To

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A build-up of

corrosion

Inside the casing

Step 5 What to Look for


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Holes in the casing

Step 5 What to Look for


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The Casing has

Corroded or

Separated

from the screen.


How To

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There are several ways you can inspect your failed water bore

Step 4


How To

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1: A torch and a string line

(Depending on Bore dia. and depth)

1


How To

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If your bore is shallow enough, and

the diameter of the bore is

large enough, then you may be

able to see the hole in the casing.

1


How To

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If the hole is below the water line or to deep

then only a camera inspection will show the

hole.

1


How To

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2: Camera

Inspection

2


How To

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A camera is sent

down into the bore

and a video picture

is sent back to a

screen and

recorder.

2


How To

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If the damage is below water

line, then the camera will record

and show you how much

damage has taken place

2


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The Camera will also log the

bore and give you depths of

where the damage has taken

place.

2


How To

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We Now have the following

Information

2


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Depth of the Bore

2


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Depth of the Screen

2


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What the damage is

2


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And where the

damage is

2


How To

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It is now a easier decision

to decide what course of

action to take now.

2


How To

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3: Steel pipe and

rope

3


How To

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3

The Steel pipe should be the

same diameter as the

new casing to be

inserted.

Picture from www.waterboredevelopers.com.au


How To

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3

The Steel pipe is lowered into

the bore on a rope. This is to

achieve a couple of results.


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3

1: It will tell us if the bore is

bent


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3

2: It will tell us if the new reline

casing will fit all the

way to the bottom.


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3

4: It will swipe the build up of

corrosion and may

return it to it’s

original inside diameter.

Picture from www.waterboredevelopers.com.au


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3

As this will allow all the

corrosion to fall to the bottom,

the casing will have to be

cleaned out.


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3

One way to clean the bore is by

using compressed air.

www.aquaboredrilling.com


How To

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Now that the bore has

been inspected we will

know the following


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Depth of the

bore


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Maximum diameter of

the casing that can be

used in relining your

bore


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That the Bore is

Straight


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Decision time ?


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If the bore is a straight

reline with Pvc screen

down the bottom.


How To

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And you going to Reline your bore yourself, then go to Part 3 of this presentation.

Go to or Click on Link below

www.deps.com.au/how-to/relining_a_bore_part3


How To

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Or


How To

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If the bore is a reline

with a stainless screen

down the bottom.


How To

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And you going to Reline your bore yourself, then go to Part 4 of this presentation.

Go to or Click on Link below

www.deps.com.au/how-to/relining_a_bore_part4

Thank you for taking the time to look at the information we have created for you,We hope this will be of assistance to solving your piping, drainage and drilling challenges.

If you have any more questionsPlease feel free to contact myself or one of our team


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