I have seen published an adjustment factor used when calculating pitched roof
snow loads that is used to modify the published flat snow load value.
Can't put my finger on it right now, but you could probably get more
information with an intern search.
I have used it on ground mount calculations.
Gravity only acts downward. The modules are rated to 113 PSF which is
with the module laying flat. If the module is at an angle, it can take
more downward force.
For instance if it is at 70 degree tilt, It could take a downward force
of 113 PSF / cos 70 or 330 PSF.
Its possibly reasonable to
Nice rack!
However if the panels are not rated for more the 100-113 PSF, the design is
still not acceptable if the AHJ wants 420 PSF right?
Q – What is the stoutest PV module out there?
Dana Orzel
Great Solar Wor
There's an Arduino project that uses the same method but uses an aquarium
pump and an electronic pressure sensor. The advantage is you get constant
data over the network and you can use a relay to disable to the pump at
predetermined depths.
http://www.practicalarduino.com/projects/water-tank-depth
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