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Thread: Plumbing Diagram Help

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  1. #1
    DIY Junior Member bdaub's Avatar
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    Default Plumbing Diagram Help

    I am a handy DIY and new to this forum. I am building a cottage this summer and will do the plumbing myself. It has a basement, mainfloor and a loft - the diagram is laid out as such. I have prepared my first rough draft of an isometric plumbing diagram. I have 2 soil stacks as I want to keep the greywater and blackwater seperate so that when legislation is passed in Alberta, Canada, I will have options. I am going to initially have both stacks empty into a holding tank(s). Would appreciate some advise on what is missing (cleanouts for example) and what is wrong on this diagram.



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  2. #2
    Master Plumber-Gas Fitter shacko's Avatar
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    Your lay-out looks fine, clean-outs are needed at the base of stacks, anything else has to pertain to your local code.

  3. #3
    Moderator & Master Plumber hj's Avatar
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    Topmost toilet and sink may NOT need individual vents depending on how you install the piping. Where is the kitchen sink?

  4. #4
    DIY Junior Member bdaub's Avatar
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    Thanks shacko and hj. kitchen sink is indicated on middle floor with indicated next to DW (dishwasher) I am going to have 1/2 of the sink drain with the blackwater and the other half drain with the grey water. I will be combining grey and black for now draining both to a holding tank but once legislation changes, hope to take advantages of grey water opportunities

  5. #5
    Moderator & Master Plumber hj's Avatar
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    I doubt that splitting the sinks will pass the requirements for a gray water system, since you could not 'guarantee" that food products would be kept out of it.

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