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  • How to Install an Emergency Eyewash Station?

    How do you install emergency eyewash station?

    My company alway fixes any direct connected eyewash station with p-trap to indirect connection without p-trap but I can't not find any code for that.

    It should be protected by backflow but I am doubting that has to be indirected.

    How do you install eyewash station in your place?

  • #2
    Re: How to Install an Emergency Eyewash Station?

    Originally posted by khlee815 View Post
    How do you install emergency eyewash station?

    My company alway fixes any direct connected eyewash station with p-trap to indirect connection without p-trap but I can't not find any code for that.

    It should be protected by backflow but I am doubting that has to be indirected.

    How do you install eyewash station in your place?
    Why would it have to be either?

    J.C.

    Comment


    • #3
      Re: How to Install an Emergency Eyewash Station?

      My master orders to fix it.

      General contractors install direct connection to sanitary drain with P-trap.

      and my boss does not like it so I alway repipe with indirect line.

      Indirect connection is better and safer but I am not sure it really has to be indirected.

      manual only recommend to use a backwater valve.

      Comment


      • #4
        Re: How to Install an Emergency Eyewash Station?

        Gotcha'. I think. I've always seen them direct connected & NO backflow. Don't have the IPC codebook here right now but why would there need to be a backflow?

        Are there RPZ's on water fountains?

        J.C.

        Comment


        • #5
          Re: How to Install an Emergency Eyewash Station?

          I cannot find anything in Ontario code nor IPC(international plumbing code).

          I have seen many places installed indirected connection and when I see it need to repipe it.

          Anyways people concern about backflow.

          Comment


          • #6
            Re: How to Install an Emergency Eyewash Station?

            I don't believe emergency eyewash stations even require a drain

            Comment


            • #7
              Re: How to Install an Emergency Eyewash Station?

              Originally posted by plumberscrack View Post
              I don't believe emergency eyewash stations even require a drain
              Agree. It's emergency use only so what is more important, personal safety or a little water on the floor from an eyewash or shower? If you had a floor drain w/trap then you'd have to deal with it going dry since it is such a low frequency use.
              ---------------
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              ---------------
              “If I had my life to live over again, I'd be a plumber.” - Albert Einstein
              ---------
              "Its a table saw.... Do you know where your fingers are?"
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              Comment


              • #8
                Re: How to Install an Emergency Eyewash Station?

                Because they are an emergency use fixture only they do not need a drain. You can let it dump on the floor or stick a 5 gallon pail under it. If you want to pipe it to the sewer it needs a trap and a vent.
                sigpic

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                • #9
                  Re: How to Install an Emergency Eyewash Station?

                  i installed a water eyewash station years back that simply drained on the floor.

                  i see there are self-contained units on the market that use a saline solution instead of water.

                  this might be another option for you customer.

                  http://www.fast-rescue.com/proddetail.php?prod=EWS3000

                  Vince

                  just a thought; if you are the only one there and you get both eyes splashed, how do you find the eyewash station?

                  Comment


                  • #10
                    Re: How to Install an Emergency Eyewash Station?

                    Originally posted by plumberscrack View Post
                    I don't believe emergency eyewash stations even require a drain
                    I don't think they do either. I could be wrong

                    Comment


                    • #11
                      Re: How to Install an Emergency Eyewash Station?

                      I aksed with my boss today about it which I cannot find any clue.

                      He sad when he installed eyewash station a inspector told him to do indirect connection.

                      When I install in maintanance room which has mop sink I pipe the eyewash station drain into mop sink indirectly.

                      Comment


                      • #12
                        Re: How to Install an Emergency Eyewash Station?

                        i installed a few of them in a prison warehouse. and a bunch of them in aclean room for making disc's...all of them were just 90 down to a floor drain
                        and the water was direct hookup.1 1/4.. pull the chain wet eveerything
                        khlee815. i had a plumbing inspecter state that he would accept drilling a 1/2" hole into the side of a mop sink basin as the airgap , because the 90 turned down into the sink,leaving no gap persay
                        how cool is that??
                        Last edited by frodo; 01-22-2009, 09:50 PM.
                        sigpic
                        30+ years as a plumber
                        6 years in the Air Force

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                        • #13
                          Re: How to Install an Emergency Eyewash Station?

                          I had to repipe the direct connected drain line with p-trap to indirect drain into mop sink with out air break.

                          I know it is against our code but if I make proper air break (1 pipe diameter or lager in here) the next day I have to go back to the customer again because they don't like spash water around floor.

                          Comment


                          • #14
                            Re: How to Install an Emergency Eyewash Station?

                            I cant say about codes other than in Ohio but in our code book a waste connection is not required for an emergency eyewash station.
                            If you choose to run a drain line it should be an indirect connection by an air gap into a floor drain by an air gap. If the total developed length of the indirect waste is over 4 foot it would have to be trapped.

                            Comment


                            • #15
                              Re: How to Install an Emergency Eyewash Station?

                              Thanks!

                              I always wonder if any trap need for indirect conntion.

                              Our code does not mention about it and some install trap and some don't.

                              I am the one who don't install any trap wit indirect connection.



                              But why 4' any reason?

                              Comment

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