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Old 03-02-2012, 01:14 AM  
COFarmKid
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Default Valve question: Dummy profing a community building


Our rural community has a 40' x 25' building that was originally builtbeside a baseball field. The baseball field was tore down (lack of use) but thebuilding remains. 4-H and other clubs use it to meet and people get together toplay cards. May be weeks between uses.

Before last winter the thermostat in the bathroom was shutoff and no onecaught it before a hard freeze. Pipe broke, water prolly ran 2 weeks beforeanyone caught it. Whole building had to be gutted and bleached. Currently waterline comes out of concrete with ball valve 6 inches above concrete.

Getting ready to fix it up and wandering how to do the plumbing so the waterwill be turned on only when people are using the building. That way if heat isaccidently shutoff we will not have a flood. Looking for a option to shut offvalves that anyone can do. Ideas include:

1. Hydrant: Knocking out concrete around water line and installing hydrant.Local plumber said thats against code to have potable water through a hydrant.

2. Ball valve: Digging down below frost line (4 ft) and put in ball valve.Thinking a rod to the counter to turn it on/off is needed.

3. Solenoid: Digging down 4 ft and putting a 2-way Solenoid normally closedvalve. 120 v that will have a light fixture tied to the switch. That wayeveryone knows the valve is on.

First 2 options would require one very responsible person to check and makesure valve is shutoff after each use. Might as well just shut off breaker atwell if that is the case.

Any other ideas? How long would a solenoid last mounted vertically?


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Old 03-02-2012, 06:54 AM  
paul52446m
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Our rural community has a 40' x 25' building that was originally builtbeside a baseball field. The baseball field was tore down (lack of use) but thebuilding remains. 4-H and other clubs use it to meet and people get together toplay cards. May be weeks between uses.

Before last winter the thermostat in the bathroom was shutoff and no onecaught it before a hard freeze. Pipe broke, water prolly ran 2 weeks beforeanyone caught it. Whole building had to be gutted and bleached. Currently waterline comes out of concrete with ball valve 6 inches above concrete.

Getting ready to fix it up and wandering how to do the plumbing so the waterwill be turned on only when people are using the building. That way if heat isaccidently shutoff we will not have a flood. Looking for a option to shut offvalves that anyone can do. Ideas include:

1. Hydrant: Knocking out concrete around water line and installing hydrant.Local plumber said thats against code to have potable water through a hydrant.

2. Ball valve: Digging down below frost line (4 ft) and put in ball valve.Thinking a rod to the counter to turn it on/off is needed.

3. Solenoid: Digging down 4 ft and putting a 2-way Solenoid normally closedvalve. 120 v that will have a light fixture tied to the switch. That wayeveryone knows the valve is on.

First 2 options would require one very responsible person to check and makesure valve is shutoff after each use. Might as well just shut off breaker atwell if that is the case.

Any other ideas? How long would a solenoid last mounted vertically?
Put a phone line in building, install a phone alarm that will call call if heat drops down to 45 degrees, that way you will know the heat is off. Paul


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Old 03-02-2012, 05:59 PM  
COFarmKid
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Didn't think about that, but prolly won't have phone service in it since everyone has a cell phone now a days. Out of curiousity, why can you not have drinking water go through a hydrant?

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Old 03-02-2012, 06:25 PM  
nealtw
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How about a flashing red light on the front of the building when the temp drops. With phone number for people to call when light is flashing.

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Old 03-03-2012, 06:47 AM  
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I have heard about people hooking up the motion detectors to thermostat and working or even the ones they have in schools don't ask me how it's done but this might solve your problem if you hook it up to when the lights go off cuz no one is in the building the heat turns on.

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Old 03-03-2012, 06:00 PM  
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Solenoid valve should do the trick, check with a plumbing store, not a big box. Our local Oc Med has them on the restrooms for drug screens, seems some people were trying to dilute to pass test.

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Old 03-04-2012, 05:58 PM  
COFarmKid
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Thanks for all the suggestions. I think we will put a thermostat that powers a light outside no matter what we do with the valves. I'm leaning towards the solenoid but am concerned about how long it will last. The light idea made me realize we could put a light that attaches to the well so it lights when the breaker for the well is on. Have to put a sign that says, "When building not in use, flip to OFF" or something like that. Not a bad idea to have a valve off inside too tho. Thanks again!

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Old 03-04-2012, 09:57 PM  
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Regarding the hydrant I have an idea about why you can't use. A hydrant has a drain in it. When turn off the water it allows the line to drain into the ground. If the valve was half open if could be possible to suck ground water back into the system, contaminating it.



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