ThomasPowers Posted August 7, 2015 Share Posted August 7, 2015 When the coal is getting blown out of your firepot by the draft coming *down* the chimney. Link to comment Share on other sites More sharing options...
Light Hammer Posted August 7, 2015 Author Share Posted August 7, 2015 Here is the space I'll have available guys. The gaps to the right and lower right of the drawing are sliding doors. The ventilation fan will be installed on the left side gable wall. Given this, are there any suggestions as to forge, anvil, misc items placement? Link to comment Share on other sites More sharing options...
Light Hammer Posted August 8, 2015 Author Share Posted August 8, 2015 I thought I'd throw in a exterior rendering for those who are interested. Link to comment Share on other sites More sharing options...
Frosty Posted August 8, 2015 Share Posted August 8, 2015 Putting both bay doors in the same corner is going to stop cross ventilation. I like them across from each other like a drive through. That's me though.Frosty The Lucky. Link to comment Share on other sites More sharing options...
Light Hammer Posted August 8, 2015 Author Share Posted August 8, 2015 Putting both bay doors in the same corner is going to stop cross ventilation. I like them across from each other like a drive through. That's me though.Frosty The Lucky.The ventilation fan will be on the east wall at the ceiling peak. I was thinking it would pull air from the north and west sides across the room and out the east wall. Given this arrangement, would you still move one of the doors? Link to comment Share on other sites More sharing options...
Frosty Posted August 8, 2015 Share Posted August 8, 2015 Forbidden again ARGHHH! Link to comment Share on other sites More sharing options...
Glenn Posted August 8, 2015 Share Posted August 8, 2015 Why pay for a fan AND the electric when Mother Nature will do a much better job - for free? Link to comment Share on other sites More sharing options...
notownkid Posted August 8, 2015 Share Posted August 8, 2015 Right or left handed? Is the shop going to do double duty, as a repair shop for equipment, vehicles, parking? Benches.Set down, envision what you are going to have and make pretend you are working in the shop, what feels natural to you? Suggestions to me are limited value, time and experience will show you where everything should be or in some cases where it would have worked better for you. Link to comment Share on other sites More sharing options...
Charles R. Stevens Posted August 8, 2015 Share Posted August 8, 2015 Prevaling winds, and the fact that heat rizes can certanmy be used to your advantages. Gable bents are good, but coupilas are even beter, and beter looking than the eggbeater ventilators. Hear in Oklahoma that means north and south for summer breeze, and east for shelterd from the weather (being notherly in the winter and westerly and southwesterly in the spring and summer. Tho this year has been waked. Link to comment Share on other sites More sharing options...
arftist Posted August 8, 2015 Share Posted August 8, 2015 (edited) The ventilation fan will be on the east wall at the ceiling peak. I was thinking it would pull air from the north and west sides across the room and out the east wall. Given this arrangement, would you still move one of the doors? Absolutely. Fan will not come close to what nature will do for free. It would be real good if you could figure out the prevailing wind too. Here it is southwest in the summer. Edited August 8, 2015 by arftist Link to comment Share on other sites More sharing options...
Alan Evans Posted August 9, 2015 Share Posted August 9, 2015 (edited) If you are installing a fan, do a bit of research on positive pressure ventilation.My fan does not extract, it blows clean air into the forge.I read somewhere that the fire brigades use positive pressure ventilation to clear smoke from a building.The reasoning is straightforward. With positive pressure, every cubic metre that passes through the fan is clean air into the building. If you use an extraction / negative pressure to suck out the smoke, either smoke hangs in areas out of the draft line between fresh air inlets and the fan, or after the initial extraction of almost solid smoke, more and more of the air that passes through the fan is clean air mixed with smoke….so it takes much longer.Alan Edited August 9, 2015 by Alan Evans Link to comment Share on other sites More sharing options...
BIGGUNDOCTOR Posted August 9, 2015 Share Posted August 9, 2015 You mentioned insulation above a finished ceiling. I would leave the trusses exposed, and not put in a finished ceiling. That gives you that much more room for fumes to travel up and away from you. The openings also allow for some stock storage across the trusses. Plus there are times when you need to tip something, and the ceiling just gets in the way. I would look at insulation under the sheathing on the roof. There are some good foam type insulators out now.As to the doors, I agree with the others. Opposite walls allowing you to pass from one side to another is very handy. Like when you bring home the power hammer, and you can drive the truck and trailer in and out after unloading with the overhead hoist. You mentioned insulation above a finished ceiling. I would leave the trusses exposed, and not put in a finished ceiling. That gives you that much more room for fumes to travel up and away from you. The openings also allow for some stock storage across the trusses. Plus there are times when you need to tip something, and the ceiling just gets in the way. I would look at insulation under the sheathing on the roof. There are some good foam type insulators out now.As to the doors, I agree with the others. Opposite walls allowing you to pass from one side to another is very handy. Like when you bring home the power hammer, and you can drive the truck and trailer in and out after unloading with the overhead hoist. Link to comment Share on other sites More sharing options...
John McPherson Posted August 9, 2015 Share Posted August 9, 2015 It depends on how sensitive you are to polluted air, and what you are doing in your shop. It ain't easy being wheezy.A week in the coal smoke filled shop at John C. Campbell put me in a two week tailspin. After the first day, I had to drive my car back and forth to the dining hall to avoid asthma attacks. I won't go back without a PAPR. I work in a welding shop environment with 20 - 40 students welding, grinding and plasma cutting all at once, and it has never been that bad. It was not the fault of any design of the shop, but low air pressure system combined with noobs dumping a half bag of green coal at a time on the forge. I managed to work all week with one 50lb bag of coal, some folks used 10. A honkin' big eave fan would have been a blessing, but I was the only one affected. Link to comment Share on other sites More sharing options...
John McPherson Posted August 9, 2015 Share Posted August 9, 2015 It depends on how sensitive you are to polluted air, and what you are doing in your shop. It ain't easy being wheezy.A week in the coal smoke filled shop at John C. Campbell put me in a two week tailspin. After the first day, I had to drive my car back and forth to the dining hall to avoid asthma attacks. I won't go back without a PAPR. I work in a welding shop environment with 20 - 40 students welding, grinding and plasma cutting all at once, and it has never been that bad. It was not the fault of any design of the shop, but low air pressure system combined with noobs dumping a half bag of green coal at a time on the forge. I managed to work all week with one 50lb bag of coal, some folks used 10. A honkin' big eave fan would have been a blessing, but I was the only one affected. Link to comment Share on other sites More sharing options...
Light Hammer Posted August 9, 2015 Author Share Posted August 9, 2015 Ok guys, point taken. How's this? Link to comment Share on other sites More sharing options...
the iron dwarf Posted August 9, 2015 Share Posted August 9, 2015 when an 8 by 4 of 1/2" steel plate goes start worrying Link to comment Share on other sites More sharing options...
BIGGUNDOCTOR Posted August 9, 2015 Share Posted August 9, 2015 (edited) I would put the doors directly across from each other to make it drive through. And I would go with 10' wide doors since most trucks are 8' across the mirrors. Edited August 9, 2015 by BIGGUNDOCTOR Link to comment Share on other sites More sharing options...
ThomasPowers Posted August 9, 2015 Share Posted August 9, 2015 Any reason not to add more rolling barn doors? Even if you generally keep a couple securely locked down most of the time they can be really helpful at times. As BGD alludes to it's raelly nice to be able to load up the forge and tools for a trip and then back the truck all the way into the shop and close and lock the doors till morning---or getting home late pulling in and locking up and unloading the next day. Link to comment Share on other sites More sharing options...
Light Hammer Posted August 9, 2015 Author Share Posted August 9, 2015 To the south of the building there is a tree line. To the east there is another structure. Adding doors on those two walls isn't possible. Windows maybe, but not doors I'm afraid. Link to comment Share on other sites More sharing options...
ThomasPowers Posted August 10, 2015 Share Posted August 10, 2015 I'm sorry but I'm not seeing that a rolling door should stay under your drip line. I can see where you might not be able to drive through it but I don't see where you can't open it for a lot more ventilation than "windows" One of my 10' x 10' roll up doors has about 8' from it to the neighbor's fence but it still works well to push air through the shop. Link to comment Share on other sites More sharing options...
Dave51B Posted August 10, 2015 Share Posted August 10, 2015 Around here, I have always tried to avoid putting the main entrance facing north. Always in the shade and those northeasters in the winter.....oh man....West is next to as bad as north for me. Any reason why you don't want the west door all the way to the south wall. that would get you close to cross ventilation. Also, walk in doors are pretty cheep. Hey, it's your shop and your money. Oh and one more thought. It won't cost any more to think about a lean-to in the future. Leave those rafter ends with access to tie onto....Just my thoughts. You did ask right? Dave Link to comment Share on other sites More sharing options...
DSW Posted August 10, 2015 Share Posted August 10, 2015 One small thing I notice is that when your north wall door is open, it blocks the window as far as natural light. If the point of that window is light , it might be better located on another wall. Also to me, the door in the north wall is really close to the east wall. That would limit full use of that door, say to back a vehicle in to the shop, if you want to put anything like benches on that wall, or even do a stock rack. My garage door is 3' off the side wall, so I have some room between the 2 foot work bench and anything I need to bring in thru the door. Same goes at the shop, except the space is smaller because I don't need as much room for the stock rack on the one wall. Link to comment Share on other sites More sharing options...
Light Hammer Posted August 10, 2015 Author Share Posted August 10, 2015 (edited) I see your guy's point as to adding more doors for ventilation. I could add a south side door however driving through the building isn't possible due to the tree line and grade. I was thinking about incorporating a window in the north side sliding door which would line up with the north side wall window when the door was fully open. This way I could still get the benefit of light and ventilation through that opening. Also, I may move the north side door over a little (which will mean I'll have to make it smaller) to allow a space to the left of the door for a work bench. Decisions, decisions... Edited August 10, 2015 by Light Hammer Link to comment Share on other sites More sharing options...
Charles R. Stevens Posted August 10, 2015 Share Posted August 10, 2015 Mistakes in wood suck, mistakes on papper, not so much Link to comment Share on other sites More sharing options...
Frosty Posted August 10, 2015 Share Posted August 10, 2015 There's nothing wrong with windows in doors, just place it so it's over the one in the wall when the door's open.Frosty The Lucky. Link to comment Share on other sites More sharing options...
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