A19 Chapel Haddlesey, North

Rock Armour Filter – HPS5

Flood Protection - Geofabrics HPS5 Project Information On 18th February 2020, the A19 was closed Location A19 Chapel Haddlesey, Near between Chapel Haddlesey and Eggborough, , due to collapse following erosion resulting Product HPS5 Geotextile from Storm Dennis. The subsequent travel Civil Engineering Jakto disruption impacted heavily upon residents Contractor (installer) and those travelling to and from Selby using Main Contractor Balfour Beatty the M62. Client North Yorkshire County Council Designer / WSP The reconstruction design addressed the risk Consultant of future flood damage to the road with the Installation Date October – December 2020 new embankment being protected by rock armour. The benefits of using Geofabrics HPS5 . Easy installation – 6m wide rolls Geofabrics HPS5 was successfully installed . Manufactured for performance – high tenacity by Jakto below the rock armour on the River fibre Aire’s flood plain. The challenge of this . Bespoke roll length – minimising joints installation grew as the area was subject to . Isotropic properties – strength in all directions further flooding during construction. . High tensile elongation – sufficient stretch during rock placement Geofabrics HPS5 is a thick needle punched . Puncture resistance – manufactured to CBR nonwoven geotextile manufactured from 100% value taking into account rock weight, drop height virgin polypropylene high tenacity fibres and factor of safety containing 1% active carbon black. The main . UV Stabilised – active carbon black function of HPS5 is to prevent loss of the sub- . 100% virgin polymer Fibres – 100 years durability soil from below the rock armour. HPS5 was ideal with its combined filtration and For more information on our River, Flood & Coastal permeability characteristics whilst its high Products please contact our Sector Managers tensile elongation and CBR provided a robust Chris Daykin [email protected] solution capable of withstanding the rock Michelle Barton [email protected] impact during installation.

Geofabrics Limited, Skelton Grange Road, Stourton, Leeds LS10 1RZ,

+44 (0)113 202 5678 [email protected] www.geofabrics.com