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Author Topic:   When pouring a slab
jammin
Dirt Administrator

Total posts: 6243
posted November 19, 2003 07:38 AM  
Get a field level to set your forms and grade stakes.You can rent one or borrow one from a builder. Do not trust that your finisher will be accurate enough with the forms or grade stakes. I made that mistake. When I scale out my car it must be facing towards the door with the wheel pads placed exactly in the same place every time. A foot or so further forward, back, or to the side will change the wheel weights.
I do plan to drill some redhead anchors into the floor. Then I can screw in welded eye hooks to secure the chassis for straightening.

jammin
Dirt Administrator

Total posts: 6243
posted November 19, 2003 09:33 AM  
in our shop on the home farm we put a pit on one end then cut some 2x6's to cover it. shure is nice not to have to lay on cold concrete to change oil

bigcityracer
Dirt Freak

Total posts: 431
posted November 22, 2003 07:47 PM  
Don't forget those heavy duty pad locks on all four corners. Mine was broke in to a couple of days ago.

zeroracing
Dirt Forum Champ
Total posts: 1876
posted November 22, 2003 07:56 PM  
by field level i ma guessing you are talking about a surveying set up. that would just be a pain in the a__. and not as accurate as you think. you should be at least 100 feet away to get a really accurate reading. i would use a liquid level.

umpmod15c
Dirt Roller

Total posts: 9
posted November 25, 2003 07:37 AM  
Hot water heat lines in the floor.

jammin
Dirt Administrator

Total posts: 6243
posted November 25, 2003 07:55 AM  
Yes, heated floors are really nice. If your gonna do it you might as well put in a heated floor so you can't say down the road that you wish you had.

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Just a little crazy!!!!!!

umpmod15c
Dirt Roller

Total posts: 9
posted November 25, 2003 02:21 PM  
Alot of the shops around here are putting this system in. It keeps the shop warm and they say it has kept there gas bill down. Nothing better than laying on a warm floor when working under a vehicle. They say it is also cheap to put in.

MDMD8
Dirt Full Roller

Total posts: 27
posted November 25, 2003 02:37 PM  
HOW WOULD YOU DO THE PLUMBING FOR THE PIPES TO WHERE IT WOULD HEAT THE WHOLE FLOOR

MDMD8
Dirt Full Roller

Total posts: 27
posted November 25, 2003 03:11 PM  
[QUOTE]Originally posted by MDMD8:
[B]HOW WOULD YOU DO THE PLUMBING FOR THE PIPES TO WHERE IT WOULD HEAT THE WHOLE FLOOR.DO YOU RUN PIPES FROM A HOT WATER HEATER BACK AND FORTH UNDER THE SLAB OR WHAT.


jhon hollomon
Dirt Freak

Total posts: 468
posted November 25, 2003 03:11 PM  
I'm not positive on this but I think they just take some like 4 or 6 inch pvc and put it in to where it winds back and forth through the floor and pour the concrete over it. This way it keeps the heat even. Is that right??

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Just a little crazy!!!!!!

MDMD8
Dirt Full Roller

Total posts: 27
posted November 25, 2003 03:30 PM  
IF YOU HOOK ONE END TO THE HOT WATER HEATER WHAT DO YOU DO WITH THE OTHER END

dirtbuster
Dirt Forum Champ
Total posts: 2007
posted November 25, 2003 04:31 PM  
We put this in the basement of a house once and I assume its the same system. Uses like 1" or so flexible tubing that is looped back and forth every 2' or so through the floor before the slab is poured. Then it is connected to hot water heater to circulate warm water. Seems like there was some osrt of holding tank but i cant remember for sure. Then as the water was heated it would circulate through the slab. One thing about this system you have to be careful if you go back and decide to drill into the floor, or if the floor cracks and seperates it can break the tubing then youhave a leak. I have heard of a similar system using electrical resistance to heat the slab as well. Not as common though. I think i would either go with the slab heat or ceiling mounted radiant heat.

wizzard
Dirt Freak

Total posts: 306
posted November 25, 2003 05:06 PM  
put one end to your floor line hot out and the other end were it would come out cold run that back to the cold in side of the hot water heater.dont forget some sort of pump also use a 50/50 mix of antifreeze so you dont have run it all the time and not worry about bustin lines

BIGG C
Dirt Maniac

Total posts: 114
posted November 25, 2003 07:55 PM  

Also put 2 inch foamboard (styrofoam) under slab so that you are not heating the ground, which is a great big heat sink. Use 3/4 line that is flexable and can be bought in 100 or 500 ft. rolls so that there is no joints under the floor. Also use dedicated waterheater not potable water.

midmod34
Dirt Maniac

Total posts: 119
posted November 27, 2003 02:31 PM  
the tubing is called wirsbo you can run up to approx 300 ft in 1 loop takes several loops for average basement floor mine runs into a 23kw boiler (heating 2400 sq ft) if ur under 2000 you can get bt with 9 kw boiler.

racer17j
Dirt Forum Champ
Total posts: 5390
posted November 27, 2003 04:49 PM  
We had in-floor heating in a body shop that I worked in and I loved it. What we did when we built the place was tie the tubes to the reinforcing wire so it wouldn't float. If you ever get the chance to work in a shop with this system it sure does suck to go back to forced air or other means of heating.

racer17j
Dirt Forum Champ
Total posts: 5390
posted November 27, 2003 10:15 PM  
DEM made us fill in our drains so now when it rains or snows we walk in 2" of water how stupid is that forever have a cold

zeroracing
Dirt Forum Champ
Total posts: 1876
posted November 28, 2003 08:08 PM  
our shop as a 5x3 drain, that is 4 feet deep. the city said it had to be put in so it will hold oil if any leaks.

Sidebite252
Dirt Forum Racer

Total posts: 98
posted December 25, 2003 05:13 PM  
I built my shop a couple of summers ago. I had the contractor install a 6" I beam tied to the steel in the slab. I welded 2 x 1" nuts on this I beam and put a 2" pipe coming up from the I beam. After the slab was poured I cut the 2" pipe off flush and made some caps for the pipe. Then fabricated a couple of 1" bolts with eyes on them. I use this to tie the car down. **** glad I did this so now I have an excellent tie down anchor that is basicly hidden but works.

merlinmech2
Dirt Maniac

Total posts: 131
posted December 25, 2003 06:33 PM  
Mine has I beams in the floor with slots cut in it. then it has 1/2 x 4 inch plates that will pull up with a hole and slot in them for a chain to fit in. was in before I got the place. Sure works good to bend frames.

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