PONDS & LAGOONS
Hewitech UK are a leading supplier and installer of onsite geotechnical applications to provide water retention and Sustainable Urban Drainage Solutions
Hewitech membranes are wedge welded and the joint air tested at 1 bar in accordance with “CIRIA 698 Site handbook for the construction of SUDS“. C698 states – “All storage tanks should be fully sealed in accordance with waterproofing standards, i.e. welded joints rather than adhesive tape, and the integrity of the seal checked through non-destructive testing, to ensure it is leak-proof”
Prior to construction our engineers will visit site to evaluate and design the most cost efficient approach, delivered with the minimum disruption to other works within the construction phase.
We identify the required protection of the membrane with suitable geotextile protection fleeces, and the correct High Density Polyethylene HDPE or Low Density Polyethylene LDPE membrane liner suitable for site conditions including any contaminants present.
Geomembrane rolls are installed using Hewitech’s specialist lifting apparatus
• Linings below porous car park surfaces
• Open ponds and lagoons
• Stormwater detention basins
• Swales
• Reed Bed Liners
• Bund liners
• Golf course lakes
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“Hewitech provided a professional service when lining the balancing pond on site. Their technical expertise and ability to achieve our programme dates make them one of our preferred specialist contractors.”
