[QUOTE=TheHorseMutterer;8947042]
It’s actually 4 stalls - 2 for the horses, 1 for the donkey, and 1 for the goats. The goats just got a new playhouse to live in outside, so that stall may become another horse stall eventually (I don’t need another horse, I don’t need another horse, I don’t need another horse…) Also, I have a small property, so I’m limited on amount of grazing available.
This will drain into some kind of dry well/french drain system. I haven’t worked out specifics yet, but will soon. I assume about a 20’ run to the dry well. Possibly shorter. Trying to limit how much it goes under the concrete in case there is ever a problem with it.[/QUOTE]
“I don’t need another horse, I don’t need another horse, I don’t need another horse…”
I hear ya. Murphy’s law says, the more stalls one builds, the more land one fences the more horses will show up.
The need for a hair/soap scum/manure/straw,savings general muck trap depends on how much it will be used. Using a “dry well” which is basically a hole X feet deep, X wide with a plastic culvert pipe set in it to keep the dirt walls from collapsing. Gavel in the bottom and the waste water sinks into the ground. Or a purpose designed leaching tank which can cost a lot more.
Depending on use hair and other muck combined with soap scum can and will build up, collect at the bottom and slow water percolation, absorption rate. And may need to be cleaned out at some time. Adding a small hair/grease trap will/should take care of this. Small ones are not very expensive and not labor intensive to install.
A 20’ drain pipe is not long but is not short either. There is not a lot of water (volume of) running through this. Nor a lot of water pressure. It drains rather slowly. Hair and other debris combined with soap scum doesn’t all get washed down the drain pipe. Bits will be left in the pipe and dry forming small damns that will get larger with time. Over the course of time it will drain even slower and the “damns” get bigger.
At some point it may need to be cleaned. On a drain run this short not a big job using one of these it comes in different sizes for standard size drain pipes.
http://www.homedepot.com/p/BrassCraft-Large-Drain-Bladder-BC00333/100569152
It is attached to a hose and you slide it into the drain pipe a X amount of feet at a time. It has a hole on the end that is “puckered” tight, water pressure builds up inside, it expands like a balloon sealing itself in the pipe. When enough pressure has built up the water jets out and blows solids down the pipe.
Turn off the water and push it further down the pipe and repeat as many times as necessary.
It maybe a good idea to have a drain access clean out installed. The person installing this should know what I am talking about. Not much labor involved and the extra fitting are cheap.