Originally Posted by Chris
was 5' deep under 4" of asphalt and 12" of concrete base. It located it within a foot.
I guess it listens for a hissing noise with most of the sound energy between
Filter Characteristics: 100 ~ 1000 Hz
but I can't imagine soil being very good at transmitting sound.
Even if your hearing is bad you can probably use this gadget.
I get 1760, 1169, 1731 dollars for this, avg $ = ~1600. How much to dig up an average length, average depth leaking pipe, assuming you know where the pipe is?
Most people might say it should pay for itself within 10 years, the 'investment horizon.'
We can all guess at the answers to the questions this sitehttp://www.facilitiesnet.com/equipmentrentaltools/article/To-Rent-or-Buy-That-Is-the-Question--8599#
A soil moisture meter might also work, and wet soil might be pretty good at transmitting sound.
I've never seen a forum that posted a spreadsheet to do this frequently needed calculation and I'd think making up this not-too-difficult worksheet would draw in lurkers.
But, can you post a spreadsheet on this forum?