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Thread: Pheoxs' Garage/Workshop Build thread

  1. #1
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    Default Pheoxs' Garage/Workshop Build thread

    Figure we had enough garage threads so why not another. Replacing my single with a oversized double this summer and appreciate any feedback Beyond has to offer.

    Current plan:
    22 feet wide x 32 feet deep
    10" pony walls + 8 foot framed walls
    18x8 door (with low clearance rails to fit in the 10" clearance)
    6/12 roof with 22 feet of attic/storage trusses and 10 feet of scissor trusses. Puts me one inch under the city 15' limit
    Upgrading to 200A service and move the meter to the garage and then run the existing 100A house as a sub panel
    Radian heating /w tankless heater (boiler?)
    Some kind of HRV as I'll be spending 8+ hour days out there.

    Could use some advice:

    HVAC:
    HRV - Size wise I'm not sure what to plan for? I see various calculations for air changes per hour. I won't be doing much dusty work more of a office / out there tinkering type use.
    Radiant heating - I've seen mixed suggestions between a tankless boiler vs water heater. I do want a minimum waste of space so rather not a tank- water heater.

    Electrical:
    Is there a spot I can look up what sizing everything needs to be? The mast for the overhead line, the conduit size, how far to bury, etc. Someone recommended a book 'Electric code simplified', has anyone used that?
    For moving the meter, anyone know a ballpark and is that through Enmax or can certain electricians perform the work? Trying to gauge how far out I need to book that

    Concrete:
    Is it worth paying for a nicer finish or color the pad? I've heard mixed answers between leave it and epoxy it separately or just have them tint it and just seal it yourself.
    How long is reasonable for the pad to cure? I've seen 28 days to park on it but as little as a week to start building on it? Is there a general timeframe?

    Plan is to have a 10 foot shop in the front and 22 feet for garage space. May or may not frame in a partial wall between the two. Possibly just on one side for more wall space.
    Nolan

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    Awesome! My thoughts are:

    1. Consider heating the slab and then you won't likely need any other heat.

    2. Don't do any fancy concrete bullshit but definitely epoxy it, after.

    3. Make the fuck sure that they chair the the rebar.

    4. If you aren't doing a winter pour, you can build after about 7 days, in my opinion. I'd also say you can park on it, too if you don't have a 1-ton or whatever. If your schedule can take it, make an effort to wait 28 days but anecdotally, we once backed a loaded concrete truck onto a half driveway in order to complete the other half about a week later and it didn't break (while we were there). This was DuraMix.

    5. Do #3.

    6. Use DuraMix.

    7. Do #3.

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    If you're using it as office, have you considered doing a full upper suite so there's comforts of a small kitchen / bathroom?

    obviously permitting and costs are major restrictions

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    Quote Originally Posted by ThePenIsMightier View Post
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    Awesome! My thoughts are:

    1. Consider heating the slab and then you won't likely need any other heat.

    2. Don't do any fancy concrete bullshit but definitely epoxy it, after.

    3. Make the fuck sure that they chair the the rebar.

    4. If you aren't doing a winter pour, you can build after about 7 days, in my opinion. I'd also say you can park on it, too if you don't have a 1-ton or whatever. If your schedule can take it, make an effort to wait 28 days but anecdotally, we once backed a loaded concrete truck onto a half driveway in order to complete the other half about a week later and it didn't break (while we were there). This was DuraMix.

    5. Do #3.

    6. Use DuraMix.

    7. Do #3.
    Thanks! Yeah the plan is to insulate the slab and to infloor water/glycol for heat. Otherwise just the HRV for air circulation. Aiming to plan it all now to build in the summer as I have to empty my current garage and demo the single.

    I'll look into Duramix, assuming thats just a higher density concrete?

    Quote Originally Posted by jwslam View Post
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    If you're using it as office, have you considered doing a full upper suite so there's comforts of a small kitchen / bathroom?

    obviously permitting and costs are major restrictions
    Yeah time / development plan / cost are the barriers to that. There are suites in my neighbourhood so it's possible (though the power lines are on my side of the alley so not sure how that affects things). From what I gathered the cost of doing a foundation to support a second level as well as running sewer out back well over doubles the project cost. Just doesn't seem worth it to do at this point in time and I'd rather not wait a few years to save for it.
    Nolan

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    eeeeexcellent.

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    Quote Originally Posted by pheoxs View Post
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    Thanks! Yeah the plan is to insulate the slab and to infloor water/glycol for heat. Otherwise just the HRV for air circulation. Aiming to plan it all now to build in the summer as I have to empty my current garage and demo the single.

    I'll look into Duramix, assuming thats just a higher density concrete?
    DuraMix or whatever equivalent is a more expensive but radically stronger concrete.

    You don't really "need" an HRV but you will definitely need something to reduce the humidity and an HRV will do that, but only in winter (which is likely the only time you'll need to reduce humidity...)

    Oh and put a fucking ceiling fan in, fuck!

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    Quote Originally Posted by ThePenIsMightier View Post
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    DuraMix or whatever equivalent is a more expensive but radically stronger concrete.

    You don't really "need" an HRV but you will definitely need something to reduce the humidity and an HRV will do that, but only in winter (which is likely the only time you'll need to reduce humidity...)

    Oh and put a fucking ceiling fan in, fuck!
    Good to know, I'll keep an eye out for concrete options.

    Without a HRV I'd have 0 fresh air would I not? It'd get pretty stale air in there if I spend a few days there's without opening the big door, no?
    Nolan

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    Quote Originally Posted by pheoxs View Post
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    Good to know, I'll keep an eye out for concrete options.

    Without a HRV I'd have 0 fresh air would I not? It'd get pretty stale air in there if I spend a few days there's without opening the big door, no?
    Meh... It's a huge airspace with only one person in it, so it's not like your farts are gonna hang around for days, plus I'm assuming it's still a garage with a vehicle coming in/out daily so you've got a shit pile of air exchange, there...
    I'm not saying "don't" because it's probably going to do a great job of curbing humidity as the snow melts off your vehicle. I'm just not sure if it's the best solution overall, but I'm not sure what the best solution is.

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    Quote Originally Posted by ThePenIsMightier View Post
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    it's not like your farts are gonna hang around for days, .
    Try me.

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    any window make it an awning style window.
    Last edited by ExtraSlow; 01-15-2022 at 07:25 PM.
    Quote Originally Posted by rage2 View Post
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    I almost shat myself after eating way too much at lunch with @killramos so ya, we can start the diaper thread now.

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    Love garage builds....some things I did and missed:
    - put receptacle around knee height. Except for work bench ones
    - have 1 receptacle on the same cct as your lights. Put it somewhere for a radio or something
    - think of how you will access the storage truss area. I should have put my HRV on the opposite side and used an attic access ladder that folds up in to the truss spacing
    - concrete guys suck! Put it in righting to chair the re bar.
    - I would have added more slope to help water drain toelwards the drain. Most of the water pools and runs sideways before heading towards the dor drain. God, I'm bitter about that...don't want water running under your work bench
    - light switch in the house for outside lights on the garage
    - soffit plug on a switch somewhere out of the way in the garage or house
    - plug in the trusses for a security camera.
    - wire for future car charger
    - lights and a plug in the storage truss area
    - bury the electric cable 18 inches minimum between house and main panel, use 2" PVC and pull the cable through
    - put the pipe in prior to concrete and have it coming up in the stub wall to recess the panel into the wall.
    - add a pipe from the panel to outside for future if required.
    - I talked to the guy at the wholesaler about the HRV. He more or less confirmed what I thought from my Google fu.
    - have atleast 1 window that can open for a portable ac unit....or duct a vent for one into the HRV exhaust
    - contractor will move the meter. Not enmax

    Sorry for rambling.

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    Sloping towards the middle and then towards a line drain across the door. Fuck I hate water running to the side walls.
    Quote Originally Posted by rage2 View Post
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    I almost shat myself after eating way too much at lunch with @killramos so ya, we can start the diaper thread now.

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    Quote Originally Posted by arcticcat522 View Post
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    Love garage builds....some things I did and missed:
    - light switch in the house for outside lights on the garage
    Wifi that shit!
    Speaking of which, you should run ethernet out there to add an access point.

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    Quote Originally Posted by arcticcat522 View Post
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    Love garage builds....some things I did and missed:
    - put receptacle around knee height. Except for work bench ones
    - have 1 receptacle on the same cct as your lights. Put it somewhere for a radio or something
    - think of how you will access the storage truss area. I should have put my HRV on the opposite side and used an attic access ladder that folds up in to the truss spacing
    - concrete guys suck! Put it in righting to chair the re bar.
    - I would have added more slope to help water drain toelwards the drain. Most of the water pools and runs sideways before heading towards the dor drain. God, I'm bitter about that...don't want water running under your work bench
    - light switch in the house for outside lights on the garage
    - soffit plug on a switch somewhere out of the way in the garage or house
    - plug in the trusses for a security camera.
    - wire for future car charger
    - lights and a plug in the storage truss area
    - bury the electric cable 18 inches minimum between house and main panel, use 2" PVC and pull the cable through
    - put the pipe in prior to concrete and have it coming up in the stub wall to recess the panel into the wall.
    - add a pipe from the panel to outside for future if required.
    - I talked to the guy at the wholesaler about the HRV. He more or less confirmed what I thought from my Google fu.
    - have atleast 1 window that can open for a portable ac unit....or duct a vent for one into the HRV exhaust
    - contractor will move the meter. Not enmax

    Sorry for rambling.
    I appreciate the list, no worries on rambling.

    I think the electrical I'll decide once it's all built. Easier to decide where to put outlets when I can start visualizing where everything will go. The attic access is something I do have to figure out as well, both the ladder as well as how to use it. It ends up being 8 feet wide and 3-4 feet tall so not exactly cozy to go in.

    For drainage I've never had issues with water, we just built a mat with some 1" wood dowels as a frame and wrapped in a membrane so all the water just stays under the car regardless of slope. But presumably the concrete company will slope things proper.

    Recessing the panel is a good idea, I'll have to sort out the trench pretty early on but would be nice to tuck it all away.

    Quote Originally Posted by jwslam View Post
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    Wifi that shit!
    Speaking of which, you should run ethernet out there to add an access point.
    For sure, from what I understand I need to drop 2 separate PVC in the ground to keep electrical and non-electrical separate for some dumb reason.
    Nolan

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    Quote Originally Posted by jwslam View Post
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    Wifi that shit!
    Speaking of which, you should run ethernet out there to add an access point.
    Lutron Pico. I did that. Have a pipe as a back up though

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    Anywhere you can run 1 network cable, run 2.
    Quote Originally Posted by rage2 View Post
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    I almost shat myself after eating way too much at lunch with @killramos so ya, we can start the diaper thread now.

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    Quote Originally Posted by ExtraSlow View Post
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    Anywhere you can run 1 network cable, run 2.
    This. Direct-burial CAT cable is cheap and stick it in conduit as well for future-proofing.

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    I used the excavation for the concrete forms for my wires back to the house. Just clean it up and slap some pipe in. If you are co.ming up in the stub wall, it kinda needs to be done after cribbing, before concrete pour. Be sure you wet and compact very well if you dig after they do their base prep...
    Power and communication need to be separate duct. Not sure how anal Telus and Shaw are about using the same duct, but that could be an issue. Add a spare duct if you can just incase. Tell the electrical company not to use 4/0 for your 200a service. I think they need 250kcmil.

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    Quote Originally Posted by BerserkerCatSplat View Post
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    This. Direct-burial CAT cable is cheap and stick it in conduit as well for future-proofing.
    Any reason to run that over regular cat 6 if its in a conduit? Or just one of those it's only a couple bucks more so why not situations?

    Quote Originally Posted by arcticcat522 View Post
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    I used the excavation for the concrete forms for my wires back to the house. Just clean it up and slap some pipe in. If you are co.ming up in the stub wall, it kinda needs to be done after cribbing, before concrete pour. Be sure you wet and compact very well if you dig after they do their base prep...
    Power and communication need to be separate duct. Not sure how anal Telus and Shaw are about using the same duct, but that could be an issue. Add a spare duct if you can just incase. Tell the electrical company not to use 4/0 for your 200a service. I think they need 250kcmil.
    I am going to have to figure out the trench relatively soon. My deck spans ~45 feet across the yard so I'd either need to tench my natural gas in the middle of the yard or pull parts of the deck up and dig to go under. Not really excited about either option.

    Garage.png
    Last edited by pheoxs; 01-17-2022 at 04:24 PM.
    Nolan

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    You don't want to run your copper data lines in your electrical conduit. HOWEVER, you can run single mode fiber with your electrical; you just need a media converter/capable switch at both ends. Transient & lightning suppression may have been a factor in my last build.

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