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    Thread: Another basement reno

    1. Member
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      09-05-2012 10:26 AM #26
      Had to take the deck apart to slide the new beam in:






      Started the rough plumbing, including a new water backflow preventer:


      And this morning, poured the three new footings.
      Where the support column will go:


      East wall:


      West wall. Had to dig way down and pour a footing below the main sewage line:


      Sure was an entertaining morning for the boys:

    2. Member lorge1989's Avatar
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      09-14-2012 12:43 PM #27
      Holy cow. Projects like these scare me. That is probably because I have only been a homeowner for like 1 week.

      So you ripped up the concrete floor in the basement because it was that messed up? Or just because you wanted heated floors?

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      09-16-2012 01:42 PM #28
      Quote Originally Posted by lorge1989 View Post
      So you ripped up the concrete floor in the basement because it was that messed up? Or just because you wanted heated floors?
      Both, but mostly because it was so uneven. Turns out that there were two layers of concrete in some places as well as those terracotta tiles. I'm glad they're gone. As for the heated floors, we figured, "while we're at it..."

      Concrete was poured on Friday -- pics to follow.

    4. Member iizno0dles's Avatar
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      09-19-2012 09:15 PM #29
      Nice project you have there, looks like lots of fun weekends


      A contractor i work with is creating a wine cellar (in Florida), they had to dig out 6' of dirt/sand and needed a crew of 8 for a few days a week for 2-3 weeks.

    5. Member barry2952's Avatar
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      09-19-2012 09:54 PM #30
      We took out 1600 square feet of concrete and 100 yard of sand to drop our floor 20". Since we have a walk out the sand was taken out in wheelbarrows and dumped, along with all the broken concrete and 500 additional yards of fill dirt to expand our backyard.

      Going down 6 feet is almost unfathomable.
      Garmin Is My Pilot.

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    6. Member Tornado2dr's Avatar
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      09-20-2012 12:26 PM #31
      Quote Originally Posted by barry2952 View Post
      Going down 6 feet is almost unfathomable.
      The difficulty there is dealing with the groundwater.

      I could dig you a post-hole in my yard, and when the water lever equalizes you'll see it standing only 4' deep.

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      10-01-2012 08:49 PM #32
      The most recent and visible progress includes installation of the heating pipes and pouring the new floor:





      Next up: framing and electrical work.

    8. Member barry2952's Avatar
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      10-01-2012 10:01 PM #33
      I had water dripping from the ceiling downstairs and upstairs as the concrete gave up it's moisture. It took huge fans to dry it out. I nearly ruined years of work.
      Garmin Is My Pilot.

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      10-01-2012 10:28 PM #34
      Yes, it's amazing how much moisture gets released. We had some windows open, but still lots of condensation throughout. Luckily the weather cooperated and it wasn't so bad. Really looking forward to when we can test out the heated floor.

    10. Member Robski92's Avatar
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      10-03-2012 09:33 AM #35
      Holy crap I see you are going all out. Looking forward to the results.

    11. Member barry2952's Avatar
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      10-03-2012 10:26 AM #36
      Quote Originally Posted by crawford View Post
      Yes, it's amazing how much moisture gets released. We had some windows open, but still lots of condensation throughout. Luckily the weather cooperated and it wasn't so bad. Really looking forward to when we can test out the heated floor.
      We poured 2,300 square feet in one day. You can't imagine the moisture.

      It shouldn't matter a lot, but you're going to have some cold spots in the basement floor as they installed radiator loops instead of serpentine loops. In your set up you'll have hot spots at the beginning of each loop and a cold spot at the end, because the water has transferred all it's heat by the end. A thermal imaging camera proves this out.
      Garmin Is My Pilot.

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      10-03-2012 08:35 PM #37
      Very interesting thoughts. This is the first time I've done something like this, so was leaving the design up to the engineer and HVAC contractor. It's not a large space, so I'm hoping it won't be a problem. But just for fun, I think I'll get my hands on one of those cameras before we move our stuff in there.

    13. Member barry2952's Avatar
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      10-03-2012 08:49 PM #38
      You won't be able to tell right away. Concrete is the thermal battery. It radiates its heat into the room warming objects, not the air so much. You have to be careful not to create a flywheel effect where you get runaway heat. When you first activate the system slowly bring the temperature up. cranking up the thermostat just delivers a bunch of heat that will be released a bit in the future. It's kind of a balancing act if the area is air conditioned. Floor heat likes slow incremental changes.

      They may have had some reason for doing it the way they did. I don't know. I do know that living with it for 19 years I have no cold spots with serpentine loops. Do you know what that is? It had to be explained to me.

      A serpentine loop is like the coils of a snake. You start the piping around the perimeter of the loop. You make smaller and smaller loops, leaving about a foot in between the loops. When you get to the center you do a 180° and return with the rest of the loop in-between the other pipes until you reach the beginning. The hot water in the pipe loses most of its heat by the time it reached the center of the loop and is rewarmed by the radiation of the surrounding concrete. That returns the water to the boiler at a higher temperature lessening the work of the equipment to bring it up to temperature again.

      You will enjoy what you have.
      Last edited by barry2952; 10-03-2012 at 09:00 PM.
      Garmin Is My Pilot.

      I am confident you are wrong, but instead of illustrating why, I will just make disparaging remarks about your reading comprehension.
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      10-25-2012 01:49 PM #39
      More progress...

      The floor has been poured:



      And the boiler has been installed. It's a combination on-demand unit that supplies both domestic hot water and heat for the rads and basement floor.


      We have also installed sound insulation throughout and the drywall is complete. Next up: tiles, trim, paint and plumbing fixtures. We're getting there.

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