is an essential technical standard for any geotechnical laboratory or field testing company conducting borehole permeability tests using open end or packer systems. It ensures consistency, repeatability, and international recognition of test results.
| Part | Title | Focus | |------|-------|-------| | | General Requirements | Definitions, symbols, and common principles for all permeability tests. | | Part 2 | Open End and Packer Tests | Local permeability in boreholes (subject of this article). | | Part 3 | Pumping Tests | Large-scale aquifer tests. | | Part 4 | Borehole permeability tests by increasing pressure | Lefranc and similar tests. | | Part 5 | Infiltrometer tests | Surface infiltration. |
Executing a test compliant with BS EN ISO 22282-2 involves precise field steps:
Results are comparable across different operators, sites, and equipment. bs en iso 22282-2 pdf
Water is rapidly removed (bailed or pumped) from the borehole, lowering the hydraulic head below the natural groundwater level. The rate at which groundwater flows back into the hole is recorded.
The official PDF is protected by copyright, and access may be restricted to the purchaser. Organisations with a subscription to BSI’s Knowledge Centre may be able to view the standard online as part of their subscription. It is illegal to host or distribute the PDF without permission from the copyright holder.
Establish the stable, static groundwater level before introducing or extracting any water. is an essential technical standard for any geotechnical
: An instantaneous change in the water level (head) is induced—either by adding water (falling head) or removing it (rising head)—and the rate at which the level returns to its original state is recorded. Constant Head Method :
The primary objective of BS EN ISO 22282-2 is to establish a repeatable, accurate, and standardized methodology for determining the local hydraulic conductivity (
John spent the next few hours thoroughly reviewing the standard, highlighting key sections, and making notes on the testing procedures that needed to be followed. He was impressed by the level of detail provided in the standard, which gave him confidence that their product would meet the required standards. | | Part 2 | Open End and
-value) of the ground. By following this standard, engineering firms ensure that:
The BS EN ISO 22282-2:2012 standard specifies the requirements for determining local water permeability (
Introduce the hydraulic head change (either by adding/removing water or setting a constant flow).