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Homeowner Forum / Construction / April 2008



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DIY Jackhammers

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jaygreg - 10 Apr 2008 23:15 GMT
A friend needs about 60 feet of a city sidewalk removed. I suggested he rent
a jackhammer and I'd help. We're both fit and husky. I plan to handle the
hammer. Any tricks or techniques I should know about before I start?
Ralph - 10 Apr 2008 23:30 GMT
ibuprofen and lots of it,  you will peel your fingers
off the handle by days end because of stiff joints

>A friend needs about 60 feet of a city sidewalk removed. I suggested he
>rent a jackhammer and I'd help. We're both fit and husky. I plan to handle
>the hammer. Any tricks or techniques I should know about before I start?
PeterD - 11 Apr 2008 14:33 GMT
>ibuprofen and lots of it,  you will peel your fingers
>off the handle by days end because of stiff joints
>
>>A friend needs about 60 feet of a city sidewalk removed. I suggested he
>>rent a jackhammer and I'd help. We're both fit and husky. I plan to handle
>>the hammer. Any tricks or techniques I should know about before I start?

For best results take the ibuprofen in 800 mg doses, as that is the
amount needed to treat inflmation. (that's four 200 mg tablets).

Then consider some Ben-Gay or other rub, a heat pad, and a lover who
will consent to rub sweet smelling oil into your aching shoulders!
<bg>
hawgeye - 11 Apr 2008 00:50 GMT
>A friend needs about 60 feet of a city sidewalk removed. I suggested he
>rent a jackhammer and I'd help. We're both fit and husky. I plan to handle
>the hammer. Any tricks or techniques I should know about before I start?

Know where your feet are at all times.
Edward  Hennessey - 11 Apr 2008 00:57 GMT
> A friend needs about 60 feet of a city sidewalk removed. I
> suggested
[quoted text clipped - 3 lines]
> about
> before I start?

To prevent "white finger" from the vibration, tape some hot water
pipe foam
insulation on the handles if they are insufficiently padded. Work
to a free face, i.e.
start on the outside and work outwards. Get the heaviest
jackhammer you can
rent and make sure your towable compressor supports it.

Alternatively, if you are feeling really muscular, get 12 pound or
larger sledges, pad the
handle with the pipe foam and have at it. On safety, remember what
has already been
said, note if there are any hot elements on the hammer and wear a
cartridge respirator
and wraparound safety glasses.

Regards,

Edward Hennessey
jloomis - 11 Apr 2008 03:16 GMT
Piece of cake, but rent a good one, and not the toy.  Get the large wheeled
compressor and the 90# jack.
Make sure the point is good.......
Use dust mask, ear plugs, and good gloves and boots.
Have at it.
You will be fine.....
They do rent a gas operated one that is not bad too.
Less crap to get on the job.
the best way is to hire a small Bob Cat, with jack hammer attachment and
small dump.
Then he breaks it, loads it, hauls it off......
I know, you want to save some money, and..............
Have fun.
jloomis
>A friend needs about 60 feet of a city sidewalk removed. I suggested he
>rent a jackhammer and I'd help. We're both fit and husky. I plan to handle
>the hammer. Any tricks or techniques I should know about before I start?
jaygreg - 11 Apr 2008 05:01 GMT
Great advice here, men. Thanks a million. The handle wrap is somethign I
probably wouldn't have thought of nor would I have had any idea of the size
to get. I'm lookin' forward to this!

>A friend needs about 60 feet of a city sidewalk removed. I suggested he
>rent a jackhammer and I'd help. We're both fit and husky. I plan to handle
>the hammer. Any tricks or techniques I should know about before I start?
PeterD - 11 Apr 2008 14:34 GMT
> I'm lookin' forward to this!

If you are in New England, have I got a deal for you!!!! <bg>
Dioclese - 11 Apr 2008 05:44 GMT
>A friend needs about 60 feet of a city sidewalk removed. I suggested he
>rent a jackhammer and I'd help. We're both fit and husky. I plan to handle
>the hammer. Any tricks or techniques I should know about before I start?

First that comes to mind for me is why you're tearing up city property.  The
road shoulder, any space between the curb and sidewalk, and the sidewalk is
considered easement.  The owner of the property does not own the easement,
although he/she may be required to care for any plant growth on that
easement in some cases.

There are other easement examples, but do not apply here.
Signature

Dave

How about a tax to support any military conflict/police action over 3 months
old?

An actual war, we can do what's been done in the past.

jaygreg - 12 Apr 2008 15:02 GMT
Irrelavent to the issue at hand here, Dave. Fact is... this is part of a
deal made with the city; my friend removes the slabs to expose the roots and
the city agrees to cut down and remove three large trees that not only have
cracked the sidewalk but at threatening the roadway. They both benefit. But
this has nothing to do with operating a jackhammer.

>>A friend needs about 60 feet of a city sidewalk removed. I suggested he
>>rent a jackhammer and I'd help. We're both fit and husky. I plan to handle
[quoted text clipped - 7 lines]
>
> There are other easement examples, but do not apply here.
Dioclese - 12 Apr 2008 15:20 GMT
Okay.

A little buzzing bug in my brain is saying something about using a rocksaw
instead.  Investigate it.

Signature

Dave

How about a tax to support any military conflict/police action over 3 months
old?

An actual war, we can do what's been done in the past.

> Irrelavent to the issue at hand here, Dave. Fact is... this is part of a
> deal made with the city; my friend removes the slabs to expose the roots
[quoted text clipped - 14 lines]
>>
>> There are other easement examples, but do not apply here.
jaygreg - 12 Apr 2008 17:54 GMT
Found it on the net. Looks like it's used for "trenching through rock". I'm
not quarrying, Dave. Just removing some concrete. :-) P.S. Maybe there's a
differnt one you have in mind? I'm lookin' for the simplest way to do this
and thought for sure it would be that jackhammer until Ransley came up with
the Bobcat. That sounds like even more fun!

> Okay.
>
[quoted text clipped - 19 lines]
>>>
>>> There are other easement examples, but do not apply here.
Dioclese - 14 Apr 2008 13:13 GMT
How about cutting the sidewalk into its natural sections.  Move the sections
out with the bobcat.  Make the repair work on the sidewalk later easier.

Bobcats are fun and effective for small jobs, but too big a job for quick
work manually.  Used a bobcat for clearing small tree stumps, general
leveling of land, moving lots of soil/gravel/rock, and excavating a french
drain.  Always point the bobcat straight up an incline or straight down.
They can topple on an incline if going across, instead at the incline.

Signature

Dave

How about a tax to support any military conflict/police action over 3 months
old?

An actual war, we can do what's been done in the past.

> Found it on the net. Looks like it's used for "trenching through rock".
> I'm not quarrying, Dave. Just removing some concrete. :-) P.S. Maybe
[quoted text clipped - 25 lines]
>>>>
>>>> There are other easement examples, but do not apply here.
jaygreg - 15 Apr 2008 06:43 GMT
>>Always point the bobcat straight up an incline or straight down. <<

Thanks for that one, Dave. I'd have hated to learn that the hard way!

> How about cutting the sidewalk into its natural sections.  Move the
> sections out with the bobcat.  Make the repair work on the sidewalk later
[quoted text clipped - 35 lines]
>>>>>
>>>>> There are other easement examples, but do not apply here.
CWatters - 11 Apr 2008 13:26 GMT
>A friend needs about 60 feet of a city sidewalk removed. I suggested he
>rent a jackhammer and I'd help. We're both fit and husky. I plan to handle
>the hammer. Any tricks or techniques I should know about before I start?

Get permit from the city?
Make sure you know what's under the surface in the way of services.
jaygreg - 12 Apr 2008 15:05 GMT
Good points, CW. As explained to Dioclese, the city is involved. However...
it might not be a bad idea to have my friend double check that no permits
are necessary. He may have just assumed that since the city agreed to be
involved so much that all was OK. It may not be if the city is assuming the
home owner would get the necessary permit. Good point.

>>A friend needs about 60 feet of a city sidewalk removed. I suggested he
>>rent a jackhammer and I'd help. We're both fit and husky. I plan to handle
>>the hammer. Any tricks or techniques I should know about before I start?
>
> Get permit from the city?
> Make sure you know what's under the surface in the way of services.
Dioclese - 16 Apr 2008 06:02 GMT
I get the impression he's saying to check what's under the sidewalk area for
the owner's protection.  Not any permit issue.  For instance, feed line for
water to the house, natural gas, electrical, cable services...  Sewage line
is probably too deep to worry about.  If that's his message, I agree.

Signature

Dave

> Good points, CW. As explained to Dioclese, the city is involved.
> However... it might not be a bad idea to have my friend double check that
[quoted text clipped - 9 lines]
>> Get permit from the city?
>> Make sure you know what's under the surface in the way of services.
CWatters - 16 Apr 2008 20:16 GMT
>I get the impression he's saying to check what's under the sidewalk area
>for the owner's protection.  Not any permit issue.

Both.
Dioclese - 17 Apr 2008 05:55 GMT
>>I get the impression he's saying to check what's under the sidewalk area
>>for the owner's protection.  Not any permit issue.
>
> Both.

In the regard for permit issues on boundaries regarding infringement in the
easement, that's a legality that can go either way.  I would ask in writing
with a reply in writing what exactly they are granting.  Then, go from
there.  But again, I prefer to be specific rather than using vague
generalities.  Others don't seem to be able to vocalize that.
Signature

Dave

Hypocrisy.  Big SUV, filament lights on all night.  You think your neighbor
should be changiing to compact fluorescent light bulbs and driving the
hybrid.

ransley - 12 Apr 2008 16:18 GMT
> A friend needs about 60 feet of a city sidewalk removed. I suggested he rent
> a jackhammer and I'd help. We're both fit and husky. I plan to handle the
> hammer. Any tricks or techniques I should know about before I start?

Consider renting a bobcat, ive seen whole walkways done with only a
bobcat and a dumpster, no sore back or broken fingers or toes and it
goes quick. If you have never done it its a hard, tough job.  In my
city the city pays 50-98% , contact them first. I had a corner lot of
120 ft done for $220
jaygreg - 12 Apr 2008 17:49 GMT
Bobcat, huh. I'll investigate. Sure sounds easier on all body parts. All
three of us are 65... but in decent shape. Nonetheless... sittin
sounds a hellova lot better than bouncin' up and down.

On Apr 10, 5:15 pm, "jaygreg" <jaygre...@hotmail.com> wrote:
> A friend needs about 60 feet of a city sidewalk removed. I suggested he
> rent
> a jackhammer and I'd help. We're both fit and husky. I plan to handle the
> hammer. Any tricks or techniques I should know about before I start?

Consider renting a bobcat, ive seen whole walkways done with only a
bobcat and a dumpster, no sore back or broken fingers or toes and it
goes quick. If you have never done it its a hard, tough job.  In my
city the city pays 50-98% , contact them first. I had a corner lot of
120 ft done for $220
Edward  Hennessey - 15 Apr 2008 00:02 GMT
> A friend needs about 60 feet of a city sidewalk removed. I
> suggested
[quoted text clipped - 3 lines]
> about
> before I start?

Another approach is to drive wedges into the score lines of the
sidewalk
segments with a sledge as an alternative to sawing and the machine
and
blade rental costs. To test your capacity and the efficacy of this
would be easy and allow you a comparitive procedure to weigh
against
contending possibilities.

Frankly, an accomplished sledgehammer man could do the breaking
job
in a day if rental expenditures were a concern.

Regards,

Edward Hennessey
jaygreg - 15 Apr 2008 06:46 GMT
Was discussing this very subject with the owner Saturday, Ed. I think you
might be right. We're going to inspect the area Wednesday. I plan to bring a
sledge for this very purpose. Thanks.

>> A friend needs about 60 feet of a city sidewalk removed. I suggested
>> he rent a jackhammer and I'd help. We're both fit and husky. I plan
[quoted text clipped - 13 lines]
>
> Edward Hennessey
DAC - 15 Apr 2008 18:24 GMT
If you can get a bar under the slab, and even an inch or so, you'll be
able to break the sidewalk into managable chunks assuming there's no
reinforcement...if there is...get a torch or large bolt cutter.

BTW...if you jackhammer...don't grab on like you're a 300 superman
even if you are...it'll win.  Light and firm on the handles will go
along way to ease the pain.

Best of luck!
Edward  Hennessey - 15 Apr 2008 21:24 GMT
> Was discussing this very subject with the owner Saturday, Ed. I
> think
[quoted text clipped - 28 lines]
>>
>> Edward Hennessey

JG:

If you are going to drive steel, instead of having someone take
the risk of holding the wedge directly, get one of those
big, concave-jaw vice grips, clamp it around the wedge, add duct
tape from the grips to the wedge and duct tape the
assembly to a long stick that puts the holder out of the range of
sledge error. The duct tape may require refreshing from time to
time. You don't have to clamp the devil out of the grips as the
hammer would likely soon knock the wedge free.
You just need to be able to contain the wedge for accurate
placement, a goal which the tapered form of the wedge
will enable.

I would start the wedge at the slab border, reposition it at the
center junction of slab scores and then work
back if necessary. Once you see a crack, it can be extended by
pounding a bit ahead of the evident break.

Get a piece of inner tube and wrap it on the handle just below the
sledge head, affixing that "bumper"
with an automobile hose clamp to protect your sledge handle
against misses. Four things determine sledge efficacy. The
operator, the weight of the head, the length of the handle and the
speed of the throw. Tool availability and fatigue
will plug into your result.

A long bar and a hard, broad fulcrum will help displacing and
moving your fragmented slabs.

Another amusing possibility, though I have my doubts, is the use
of an expansive product like esmite (e-smite?) or
bristar, both of which require drilled holes which themselves are
a retarding step. I'm not advocating this over what
I know will work and cost less but you might find a little
research illuminating.

Regards,

Edward Hennessey
jaygreg - 23 Apr 2008 18:57 GMT
Update! I don't get to play with the sidewalk; my friend contracted it out
'cause someone made him a deal he couldn't refuse. About 30 yard of walk
completely removed from the lot... six hundred bucks. A gentleman with a
miniexcavator and dump truck gave him a price that left only a few hundred
difference from the equipment rentals when all was said and done. He's
happy... I'm disappointed. I got some good pointers from you guys. I'll have
a chance to use 'em before I kick the bucket. I really apprecaite all the
tips.

>> Was discussing this very subject with the owner Saturday, Ed. I think
>> you might be right. We're going to inspect the area Wednesday. I plan
[quoted text clipped - 58 lines]
>
> Edward Hennessey
 
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