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Tying Garage into House Drainage System

Arnold K|发布General Questionson
Hi,
Is there any issues or concern with connecting the weeping tile from my detached garage to the house?

原因是房子的日光哭泣只有10英尺,而独立车库的车库则需要60-70英尺的跑步。

The house is a slab on grade which I know doesn’t need weeping tile but the contractor included it in his scoop of work anyways. I figured since I am paying for it regardless and I have a high water table, around 3 week below grade I may as well put there.

Rectangle Font Parallel Slope Diagram
谢谢,
Arnold

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Replies

  1. Expert Member
    彼得·恩格尔||#1

    As you mentioned, you probably didn't need drain pipe around the house because it is slab on grade construction. For the same reason, you probably don't need it for the garage, either. That said, if you are putting a drainage system on both the house and garage, it probably won't hurt to connect them together. Just make sure that the house system is draining freely before adding more load from the garage. You can do this with a garden hose once you expose the house drains.

    I would fill the bottom of the trench from the garage to the house with washed stone above and below the pipe, with the whole thing wrapped with landscape fabric like a burrito. Essentially this is an extension of the drain system, but it will also allow the pipes to drain into the ground, depending on the level of the water table.

    1. Arnold K||#2

      Hi Peter,

      如您所述,已经安装了哭泣的瓷砖。我将挖最后8英尺的沟渠,将车库排水管连接到房屋,房屋的出口已经暴露在日光下。

      They backfilling is happen early next week so I need to get a move on to avoid any delays.

      谢谢,
      Arnold

  2. Expert Member
    Zephyr7||#3

    如果你有在你的车库地漏,this might complicate things. Many/most codes now require floor drains to be tied into the sanitary sewer (or septic system), and not a stormwater drain or sump pump. The reason is that floor drains can sometimes get nasty stuff (maybe oil if it's a garage, for example), and you don't want to just drain that out to a stream somewhere.

    On the flip side, code doesn't usually let you drain rain gutters and things like that into the sanitary system, since it puts too much water into the system and can cause things to overflow. Having been in a house once on a combined storm and sanitary sewer, I am unfortunately quite familiar to what that "overflow" can mean in a basement...

    Bill

    1. Arnold K||#4

      Hi Bill,

      I did not put a drain in the garage since it would need to be tied into the septic system and also make sure the p-trap doesn't freeze. It was not more trouble and cost than it's worth. The slab will have a slight grade towards the garage doors.

      Thank you,
      Arnold

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