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Drainage for New Gutters
Posted on 4/19/20 at 9:56 am
Posted on 4/19/20 at 9:56 am
I'm looking for advice on drainage. Last week I had gutters installed around my house. Right now the downspouts are emptying near the edge of the house. What's the recommendations from the board on taking the next steps to routing the water further out from the downspouts? Should I just look for contractors in my area to do the heavy lifting?
I don't mind getting dirty and doing the work, but I'm a novice when it comes to water drainage and maintenance.
I don't mind getting dirty and doing the work, but I'm a novice when it comes to water drainage and maintenance.
2
Posted on 4/19/20 at 10:09 am to RickAstley
you want to do it underground or just route the water away from your house? If the latter just run a length of corrugated flex hose up the bottom of the downspout. If the former you’ll need to figure out your discharge and that discharge has to be lower elevation than the ground around your house
Posted on 4/19/20 at 11:16 am to RickAstley
cgrand is right. Subsurface drainage is probably the route you want to go. Do some homework on the different materials used. I would not recommend PERFORATED pipe. Corrugated is good and cheap and easy to work with. However, if the drainage line needs to go by your driveway, you’ll need to use triple wall or schedule 40 pvc. The corrugated pipe can crush easily if a heavy load is above. 4 inch pipe is standard, although they do make 3 inch. My advice is to go 4” from your downspouts. If you tie them together, consider sizing up to 6”. You’ll always wish you added a bigger pipe. Test out all your adapters in the store before you buy them.
Get a good bull nose shovel and a 4” wide trenching shovel. The better tools you have, the easier the work will be. I would avoid renting a trencher if you don’t have a ton of experience. Have all your utilities located before you start digging. And remember, water goes downhill.
Get a good bull nose shovel and a 4” wide trenching shovel. The better tools you have, the easier the work will be. I would avoid renting a trencher if you don’t have a ton of experience. Have all your utilities located before you start digging. And remember, water goes downhill.
Posted on 5/8/20 at 6:23 pm to Goldbondage
quote:
You’ll always wish you added a bigger pipe
Amen to that. I built new house a year ago and had 4 downspouts and 4 yard drains tied into 4" pvc - about 270' of pipe in all. The landscaper I hired to do drainage grossly underestimated pipe size (plus did a horrible job on the slope) and my drains have backed up in the yard consistently. Nothing makes me more mad than knowing I spent thousands proactively to prevent a problem, only to still have the problem.
Anyways, this past week I hired another contractor to come out and replace the 150' of 4" that made the final run to the ditch in my front yard and put in 8", along with a poured-in-place 24"x24" concrete catch basin that the gutter downspouts and yard drains dump to before going to the 8". That storm that just came through BR put it to its first test and man that 8" pipe was moving some water!
In my opinion, when it comes to moving water away from your house...BIGGER IS BETTER!
This post was edited on 5/8/20 at 6:24 pm
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