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Dust collection pipes/hoses on floor

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Forum topic by Mike Gager posted 12-10-2009 10:08 PM 1874 views 0 times favorited 10 replies Add to Favorites Watch
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Mike Gager

616 posts in 1991 days


12-10-2009 10:08 PM

trying to work out how im going to run my dust collection system and ive found the easiest and probably the best way for me to make a few of the runs is along the floor rather then from the ceiling. the hoses would cross over a walk area to get to all my machines

my question is whether anyone has their system run this way and if you find yourself tripping over the hoses a lot? is there a way to do this without creating a tripping hazard?


10 replies so far

View chewbuddy13's profile

chewbuddy13

150 posts in 2009 days


#1 posted 12-10-2009 11:03 PM

I have some of my piping running on the floor and some on the ceiling. I put the runs on the floor out of the way of my main walk-way areas. I don’t really even think of them anymore, just step over them when I need to.

View TheDane's profile

TheDane

3936 posts in 2387 days


#2 posted 12-10-2009 11:04 PM

I have a portable system and a small shop where everything (but me) is on wheels. I have to run the hoses across the floor and no matter how you slice it, they are a hazard.

-- Gerry -- "I don't plan to ever really grow up ... I'm just going to learn how to act in public!"

View Brian Havens's profile

Brian Havens

194 posts in 1830 days


#3 posted 12-10-2009 11:12 PM

I run my DC on the floor because my ceiling is low in my garage shop. For the most part, my main line runs in front of my table saw and router table so it is out of the way. I do have, however, a detachable extension run that is mostly ridged pipe with some flex hose at either end. I use it to bridge the other side of the shop when I am planing and jointing, and I remove and slide it in front of my table saw when not in use.

You can kind of see in this picture. If you look carefully in front of the table saw, under the outfeed table, you can see the extension stowed away. When in use, it goes across where the yellow DeWalt Vac is.

Let me know of you are interested in more; I can get better photos.

-- Brian Havens, Woodworker http://brianhavens.com

View Bill Davis's profile

Bill Davis

226 posts in 2648 days


#4 posted 12-10-2009 11:54 PM

It works fine in my shop. It’s a good idea to be careful where you walk anywhere. I got use to it with no great difficulty and have never tripped or fallen because of it though I’ve come close a time or two.

View Scott Bryan's profile

Scott Bryan

27251 posts in 2546 days


#5 posted 12-11-2009 12:09 AM

Mike, I run the hoses on the floor as well. Like everyone else, I have gotten used to it but occasionally do step on the hoses. But with the way my shop is currently structured there really isn’t any other way to do it.

-- Challenges are what make life interesting; overcoming them is what makes life meaningful- Joshua Marine

View BlankMan's profile

BlankMan

1487 posts in 2077 days


#6 posted 12-11-2009 12:23 AM

I had a 4” pipe running across the floor in the aisle from my bench to my table saw for years before I went to 5” pipe and then ran that overhead, can’t remember tripping on it even once. But the downside was it cut off rolling mobile base machines through there so you have to plan for that if you use pipe and not hose or don’t have some sort of quick release method to temporarily get it out of the way.

-- -Curt, Milwaukee, WI

View Bob #2's profile

Bob #2

3808 posts in 2745 days


#7 posted 12-11-2009 01:16 AM

I made mine like this with 2 zones to reduce the loss of suction on my 2 hp cyclone system.
The pipes run at about 4 foot level and the machines take suction off the mains with short 4” connecitions.
The pipe is covered with 3/4” plywood that serves as additional shelf space.
http://lumberjocks.com/boboswin/blog/6465

Bob

-- A mind, like a home, is furnished by its owner

View khop's profile

khop

134 posts in 2400 days


#8 posted 12-11-2009 01:42 AM

Mike,
I was fortunate to have an attic space in my shop for DC. I put in two posts for some 5” drops. The one for my table saw, router table and jointer is at the back far right of my table saw. I can still cut over 50” wide without the post in the way. The other post connects my OSS and belt and disc sander. I recently installed another 5” wye and blast gate in that post for my planer or drum sander to connect to. If you get a chance, check out my shop pics. Good luck and be safe.
KHOP

-- How am I doing? Better than I deserve. Dave Ramsey

View ondablade's profile

ondablade

105 posts in 1922 days


#9 posted 12-11-2009 06:53 AM

I’m just sorting out duct runs for fitting out my shop in the past week or so. Some thoughts and issues that i’ve come across on duct runs that i’d not expected include:

1. It’s been possible except in one case to find machine locations which keep the ground level runs fairly short, and out of normal walkways. i.e. dropping down the walls in dead areas to the rear of the planer thicknesser, bandsaw, drill press and spindle moulder. (duct runs are probably one reason to keep these fairly close to the walls)

2. My ceiling joists are about 2500mm above the floor, low enough that care is needed to leave the ceiling clear in the assembly area, and on the routes in and out of the shop – so that the head clearance won’t be reduced even more, and so that high pieces won’t clout the ducts. Luckily i can place the main duct between two joists where it crosses the access route. Running between joists sounds like a great idea, but in practice it doesn’t work most of the time.

3. There’s a view that makes sense that says that floor ducts are not a good idea – at least not unless you have lots of experience with the shop layout, and are sure of your machines and their locations. This because no sooner do you get set up but you realise you need to move a machine.

4. The other machines have not been too bad, but the panel saw does not lend itself to dropping a duct down from ceiling level close by – there’s just too much space needed to handle sheets. The sliding table side is a no go as it needs over 8ft of clear operating space to the LHS, and to the infeed and outfeed ends. Even on the RH rip side you’ve got to get out quite a long way if you want to retain a decent 4 ft rip capacity. Stepping just outside of that would drop the duct down into the walkway behind, which means it’s necessary to go even further to the other side of the walkway to the wall. (that’s my one instance of a duct on the ground crossing the walkway)

The theory is that you minimise duct runs and bends to maximise dust system performance. This is of course true, but the above tends to have a price in terms of increasing the both the runs and the number of bends. e.g. a duct coming down the wall has got to get to the wall, come down it, return to parallel to the floor, and then get to the machine.

On hoses on the ground. This will be my first ducted system, i’ve run for quite a few years with a mobile 1hp filter and chip collector which meant i always had hoses on the floor anyway. It’s not that big a deal, although it’s a bit of a question of exactly where and how many too. A rigid duct might not be such a good idea though, as an accidental kick could ding it pretty badly.

These are all reasons i guess why it’s well worth figuring out your duct runs (layout drawing and paper cut outs, or cad) before you finalise the spec of your fan and cyclone/filter system. MIne will be fine as i have a 5hp 16 in Bill Pentz/Clear Vue fan, but on the other hand there’s despite a lot of care quite a bit more pressure drop than originally expected as a result of forced changes to the layout. (one 90 deg bend for example is equivalent to around 12 ft of straight run)

The devil (as they say) is always in the detail…

ian

-- Late awakener....

View Rick  Dennington's profile

Rick Dennington

3567 posts in 1918 days


#10 posted 12-11-2009 08:35 AM

Sorry—- I can’t help you at all. My main trunk line runs around the wall next to the ceiling, and I have a drop-down 4” line to each machine, so I have no lines on the floor at all. Like the others have said, just be careful and don’t trip over them. Also as stated above, if your machines are mobile, you’ll have to dodge them some how, or make a path to move the machines if you have to. God luck. Keep on keeping on.

-- " I started with nothing, and I've still got most of it left".......

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