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Results 1 to 15 of 15
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7th February 2008, 10:51 PM #1
SENIOR MEMBER
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- Feb 2006
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- Melbourne
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- 499
Reblocking - Which Levelling Device To Use?
Hi,
When we had reblockers out 2 years ago came to level up the house they used a long tube with one end clipped to a wooden board in a "U" shape. It looked old enough to have been used by the Egyptians when building the pyramidsThey used the base of the chimney as the datum point.
The second group/gang who we had in last year to redo it again they used a gadget (electronic costing $$$'s) that told you if the floor need to go up (or down) from the signal of the other part which was located at the base of the chimney (again!!). Now does anyone know what this gadget is called? and is it the sort of thing I could hire? I'm sorry if I didn't explain it well but I've just spent 45 minutes on google trying to locate it without any luck.
Thanking those in advance who kindly leave their advice.
Cheers
MH
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7th February 2008, 11:08 PM #2
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7th February 2008, 11:20 PM #3
Metal Head,
there's nothing wrong with using a water level, they're cheap and accurate. The device the second lot was probably a laser with a receiver unit. They can be hired. A laser may not be the best tool for this job because the beam would be blocked by some of the stumps closer to the head unit. There may be some other electronic devices out there but I've haven't heard of them.
You can make up a water level with a reservoir at one end and a tap on the working end which can be operated by one person. Doesn't depend on line of site and as long as you make sure there's no trapped air bubbles or anything pinching the hose will be as accurate as the laser.
Mick"If you need a machine today and don't buy it,
tomorrow you will have paid for it and not have it."
- Henry Ford 1938
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7th February 2008, 11:39 PM #4
I'm more curious as to why you had to get reblockers back after 2 years
I had my house restumped around 4 years ago by a fellow from Dandinong and IMO done a real SH*T job
Like you I expected him to use a laser and/or some hi-tech device but he used a water level and a Sh*t load of truck bottle jacksElectricity:
One Flash and you're ASH
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8th February 2008, 10:58 AM #5
I'm with Mick, go the water level - use a fixed bucket of water as the datum, with the other end free (for levelling).
I used a laser level (a cheap one mind you) when I did the stumps for the deck and it was a mess. I ended up using the water level to do the final levelling. Water levels are very accurate and much more flexible.
I now use the water level whenever I need to level anything that is significantly longer than my spirit level.Cheers.
Vernon.
__________________________________________________
Bite off more than you can chew and then chew like crazy.
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8th February 2008, 04:55 PM #6
I'm a big fan of the humble water level, but if you make the tube too long and or too small, it takes FOREVER to level itself.
I've used mine for lots of applications, from land levels to setting up my foundations on the extension and with great results.
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8th February 2008, 09:55 PM #7
China
- Join Date
- Dec 2005
- Location
- South Australia
- Posts
- 140
Yep water levels are great but trust me, If you have few hundred dollars to spare then Rotary Laser Level are are lot more fun
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8th February 2008, 11:35 PM #8
Yeah, but the rotary laser level might not be that great if you have a forest of house stumps to work on as the ones closer to the unit will block the beam in places. It will work fine if you can find somewhere to hang it that will allow the beam to get to all/most of the stumps.
Mick"If you need a machine today and don't buy it,
tomorrow you will have paid for it and not have it."
- Henry Ford 1938
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9th February 2008, 12:23 AM #9
SENIOR MEMBER
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- Feb 2006
- Location
- Melbourne
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- 65
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Hi Lads,
Thanks to all of you who replied - much appreciated. In regards to the laser level - that wasn't what was used. The measuring instrument (receiver) I am sure it was free of any wiring (that's why I thought it was electronic). Given that was moved around within the house thus it would be a laser!!. I made myself a water level after the first gang had left so I could check the levelness of the house should further cracking take place. I will get it out again sometime in the next week and see that the tolerances are within the regulations guidelines.
Cheers
MH
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10th February 2008, 12:08 AM #10
Hi MH,
Just for info, the chimney is always used as the reference point because it is the most stable part of the house, being built up from brick and having a more solid and wider based foundation (compared to the stumps); is hence is the part of the house which would have moved least over the years. You'll find that the area of the house near the chimney would be the highest, while the floors further away & especially the perimeters of the house (which have to bear most of the load of the roofs) will have settled / dropped the most.
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10th February 2008, 12:22 AM #11
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11th February 2008, 01:34 PM #12Ours is not to reason why.....only to point and giggle.
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4th April 2008, 08:37 AM #13
New Member
- Join Date
- May 2007
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- Crabbes Creek
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- 7
Yep to water level.
I have just done my house (about 42 stumps and on a slope) using the water level and it works a gem. Put a drop of dishwashing liqid in to minimise the miniscus (the capilary attraction that makes the water "hold" on to the side of the hose) and to reduce time waiting for the water to stop bouncing around just very briefly put your thumb over the end of the hose when you think it's about level. This saves you weighting ages for it to equalise.
If at first you don't succeed, hide all evidence that you tried.
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4th April 2008, 09:18 AM #14
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5th April 2008, 12:16 AM #15
Intermediate Member
- Join Date
- Jan 2007
- Location
- Nunawading
- Posts
- 0
Water level
If your making a water level make sure that you add some food colouring to the water as it makes it easer to see/read
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