I would want the trench 10-12 inches deep, depending on frost depth the footing could be much lower.
The deeper you put the trench down the more water you will have to pump.
Was there a gravel layer under the slab?
I would want the trench 10-12 inches deep, depending on frost depth the footing could be much lower.Hello All,
Question, as some of you already know from all my previous questions, I'm in the middle of installing an interior drain system in my basement... I broke up a small hold in the floor so I can get a feel for what I'm in for when digging the trench, and to determine the depth of the footers (Which I still haven't figured out.. lol)
My question though, I dug the hole down last night, just over a foot deep maybe.. I checked it this morning, and it's full of water (maybe 2 inch's from the top)... Should I be concerned? If you remember from my previous posts, I'm the one that recently found a square cement encased hole on the floor (Maybe 2 feet deep), that keeps itself full of water.. I've pumped it out a few times, but it keeps filling...
House is 72 years old, in Ontario Canada...
Thanks,
Ayuh,..... Sounds like a very high water table,.....Hello,
No, there was No gravel under the cement... About 3-4 inch's of cement, then dirt.. another 1-2 inch's down was Very wet dirt...
Why not use this hole for yer pump,..??I'm the one that recently found a square cement encased hole on the floor (Maybe 2 feet deep), that keeps itself full of water.. I've pumped it out a few times, but it keeps filling...
Hello,Ayuh,..... Sounds like a very high water table,.....
Whatever pump you use is gonna run alot,....
Why not use this hole for yer pump,..??
Hello,You gotta do something, so I don't think you're wasting your time. You've exhausted any possibility that surface grading may improve conditions?
You want it a little lower than normal to give the dirt a chance to dry out under the slab.Hello,
My plan is to use this hole, but I'm wondering if it's too small though considering the amount of water I might be dealing with now...???
If the water table is really this high, am I wasting my time with this?
Ayuh,..... The real Cure, would be doin' this, ^^^, Outside the foundation, with a drain to daylight,......and was planning on putting up dimple board leading into my drain system in case in the future if the walls decide to leak again, which I'm sure they will...
The Concrete Floor is about 3-4 inch's Thick... With no gravel under the cement...let me understand - you're thinking your home's foundation is maybe 3"-4" thick vertically ? that is seriously undersized impo so i'm thinking i don't 'get it'
Okay, So your recommending to use the location, but remove the cement walls, etc. in this hole and use a proper plastic sump pit... Okay, Makes sense..3-4" thick floor's fairly common,,, its called a 'floating slab' & serves 2 purposes: 1, prevents bsmnt walls from inward movement due to exterior soil pressure; & 2, is nicer to walk on than mud.dirt
IF that existing "Hole" in the floor is in the right location for your situation, then its fine IF the managed water can easily drain into it,,, we ALWAYS set plastic sump w/multiple 3/4" drilled holes into side & bottom to allow the water into the sump,,, both under & around the sump is 3 to 4" of clean drainage rock - we use #57,,, we also line the excavation w/soil filter cloth
ALWAYS install cleanouts too,,, these systems are low maintenance, NOT NO maintenance
Ayuh,..... I see that as a function of the pump(s), not the size of the pit,.....I'm just worried the current "Pit", "Hole", whatever, might be too small for the amount of water I think I'm going to need to deal with..