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Author:
sum (FL)
I am doing some detective work to try to figure things out.
Part of this puzzle I would like to know if a particular drain runs east or south (or otherwise).
There is no bathroom or kitchen in this corner of the house. Just two laundry rooms side by side each has it's own washer stand pipe. I have opened up the partition wall due to water and termite damages.
The vent is between those two stand pipe. If I go up to the roof and look down, it's old galvanized pipe which I think further down is cast iron drain.
Is there a way I can figure out at the bottom of this vent pipe which way it points?
I don't think I can see which way water is running from this height even with a flash light.
If I get a long piece of solid copper wire with white insulation and lower it down, I am thinking at the bottom it will turn in the direction of the drain. With the white wire, against the black CI pipe background, I wonder if I would be able to see, with a flash light. I am thinking most likely no.
Any idea on a creative way to do this?
Edited 2 times.
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Author:
bernabeu (SC)
lower a 'pocket' pen-light on a string
do this after dusk so your pupils are open w/o extraneous sunlight
wear your good glasses
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"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638
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Author:
sum (FL)
pen light.
OK that is interesting. If I can tie it such that it lowers to the bottom nicely balanced, it should tilt in the direction of the drain sloping towards.
Is there any kind of glowing, florescent fluid I can pour down the drain, from the trap arm, such that I can see from the roof which way it flows in the dark?
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Author:
hj (AZ)
Probably not, unless you have a powered snake and can listen to tell which way the sound under floor goes.
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Author:
hj (AZ)
All you will see is that it flows DOWN.
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Author:
bernabeu (SC)
tie the string on the 'button end' using the 'pocket clip'
lower the light vertically
if you're lucky it will 'tilt' as it enters the T-Y and you 'may' see which way
good luck
ps. this will only cost you 15 minutes of your time
==============================================
"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638
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Author:
hj (AZ)
The operative word is "MAY" looking 15' down a 1 1/2" or 1 1/4" pipe.
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Author:
bernabeu (SC)
after dusk
placing eye DIRECTLY on pipe blocking extraneous light allowing for string passage I would guess there is a 60/40 chance in favor
(assuming sum has good eyesight w/o glasses)
==============================================
"Measure Twice & Cut Once" - Retired U.A. Local 1 & 638
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