Attenuation Tank Liner
Integrity Testing & Verification
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Are You Aiming To Comply With The Environment Agency Discharge Consent But Missing To Comply With Their Requests In
Chapter 30 of CIRIA 753 The SuDS Manual?
The Environment Agency Recommends,
"Conflicts of interest in verification should be avoided in the field of contaminated land verification (EA, 2010)".
The Same Philosophy Should Apply To Verification of Geomembranes In SuDS.
The groundbreaking GeoShield dual security integrity test
Devised and designed by leading stormwater system applicators and verification officers with decades of experience, the GeoShield dual security integrity test not only provides pressurised air testing on all your liner seams but for that added assurance also smoke tests the full box, so you are confident that the lid is sealed watertight too.
GeoShield can also provide Electronic Leak Detection to the body of the liner membrane, ensuring that errors made during manufacture are found and possible punctures from follow on trades are identified.
CIRIA 753 Chapter 30.5.4 (Geomembranes and Geocomposite Clay Liners used as Waterproof Barriers)
In this chapter it states that.
“Leakages can occur due to poor field or factory seaming, or damage caused during or after installation. Geosynthetic barriers and especially geomembranes should be installed by experienced and suitably qualified staff.”
“Independent verification of the installation of waterproof membranes and lining systems on site is critical to achieving the performance required & to avoid failure. This is acknowledged by British Standards and CIRIA C753 which specifies that:”
“All joints and seams are visually inspected and tested on site to ensure that they meet the required standard. The main places where leaks are likely to occur is around penetrations, such as where a pipe passes through the material (eg where a pipe passes into a lined tank)”
Speak Direct to our SuDS Inspection Response Team
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