relining a bore_part2
DESCRIPTION
If you are looking at relining your water bore, due to the steel bore casing being corroded away and leaving holes in the side that can allow sand or dirt to enter the bore. This video will help you gather the information needed before you start to reline your boreTRANSCRIPT
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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
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You Have Decided to reline your Bore
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Then the following will help you
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Talk to your local Water AuthorityFind out if you need a permit to
repair your water bore.
Step 1
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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
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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
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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.
Step 3 Finding Information of Bore
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The log will tell you Information like.
Step 3 Finding Information of Bore
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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.
Step 3 Finding Information of Bore
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Connection of screen.
Step 3 Finding Information of Bore
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Water Levels
Step 3 Finding Information of Bore
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Gravel pack size
Step 3 Finding Information of Bore
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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.
Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps
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If you cannot get or have this information then it is still possible to repair your bore.
Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps
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When Inspecting your boreThe problems to look for are
As follows
Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps
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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.
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There are several ways you can inspect your failed water bore
Step 4
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1: A torch and a string line
(Depending on Bore dia. and depth)
1
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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
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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
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2: Camera
Inspection
2
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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
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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
Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps
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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
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It is now a easier decision
to decide what course of
action to take now.
2
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3: Steel pipe and
rope
3
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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
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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
Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps
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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
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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.
Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps
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Ph 1300 133 000
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
Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps
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Or
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If the bore is a reline
with a stainless screen
down the bottom.
Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps
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Ph 1300 133 000
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
Bore Casing & Screens Pipes & Components Environmental Drilling Water Treatment Safety Products Sand Spears Pumps
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