The National Ground Water Association (NGWA) has announced offers to develop an American National Standards Institute (ANSI) third-party accredited standard for that construction of vertical boreholes utilised in closed loop ground source heat pump systems.
The decision was reached with the NGWA Board of Directors recently.
“This effort make use of our now nearly 15 years old guidelines document about this topic since the basis out of which to develop the normal,” explains NGWA Executive Director Kevin McCray.
The guidelines, first published in 1997, are already revised by NGWA twice inside intervening years, lately in 2010.
“NGWA’s motivation is always to strengthen our contributions to the present important drilling market segment heavily served by water well drilling contractor firms,” McCray said.
“We would like to help make sure that the drilling of loop wells-the vertical boreholes of numerous ground source heat pump systems-is carried out a way that protects the groundwater from contamination risk. The number of boreholes typically drilled for such systems makes groundwater protection particularly crucial,” McCray continued. “We also desire to assure that loop wells are drilled towards the design specifications so methods operate effectively over their lifetime. This will strengthen client satisfaction and customer service.”
The guidelines contain chapters, or “articles” on topics for example loop well field design, test loop wells and samples, borehole construction, loop tube installation, loop well grouting, loop well field identification, and permanent loop well decommissioning. NGWA anticipates the normal will ultimately cover similar interests.