Contaminated Ground Warning & Marker Layer
TCS Alarm 15 is a highly visible woven geotextile developed to act as a warning or marker layer above contaminated or hazardous ground. Its bright colour alerts contractors and excavators to buried hazards, helping maintain safe excavation practices.
Alarm 15 is used in land reclamation, brownfield developments, and other projects where hazards have been contained underground rather than removed. Installed between clean cover material and the hazard layer, it acts as a clear visual signal during future works.
Typical Applications
- Contaminated ground separation
- Brownfield redevelopment
- Environmental remediation sites
- Hazardous waste containment zones
- Civil engineering projects requiring visible ground markers
Benefits
- Highly visible for maximum warning effect
- Strong woven polypropylene construction
- UV-stabilised for extended service life
- Easy to handle and install
- Conforms to EN ISO performance standards
Technical Specifications
- Material: Woven polypropylene with UV inhibitor
- Tensile strength (EN ISO 10319): MD 10 kN/m, CD 9 kN/m
- Elongation at max. load (EN ISO 10319): MD 22 %, CD 15 %
- CBR puncture resistance (EN ISO 12236): 1500 N
- Cone drop penetration (EN 918): 18 mm
- Pore size (90 % finer than) (EN ISO 12956): 330 µm
- Water permeability (EN ISO 11058): 10 × 10⁻³ m/sec
- Roll size: 4.5 m × 100 m
FAQs
Can Alarm 15 be used as a filtration layer?
No, it is designed primarily as a warning and separation layer, not for filtration or drainage.
How should it be installed?
Lay directly over the contaminated or hazard layer, ensuring full coverage. Overlap adjacent rolls and secure as required.
Is the fabric resistant to degradation?
Yes, it contains a UV inhibitor for extended life in typical soil conditions.
Can it be cut to size on site?
Yes, use a sharp utility knife or scissors to cut as needed.
Does it meet industry standards?
Yes, performance is tested to EN ISO geotextile standards.
