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Saturday, 04 December 2004
Horsham Park & Ride SuDS System Assisted By Hydro
 The new Hop Oast Park and Ride facility, designed in line with Horsham District Council’s policy of providing sustainable infrastructure and services, is used to reduce long stay parking in the town centre. Adding further to its green credentials, Horsham DC installed a porous pavement with a Hydro Stormwater Package System to ensure controlled, unpolluted surface water discharge to the local watercourse. The Hop Oast Park and Ride has space for 479 cars, and is paved with a combination of standard asphalt pavement for the car and bus access ways, and 10 mm gravel in the car bays. The car bays are designed with a slight gradient that drains inward to filter drains set down the centre line between the car bays. The filter drains feed surface water into a Hydro Stormcell® modular stormwater storage system, which retains the excess water and allows it to be discharged under control via a 1200mm Hydro Downstream Defender® and a 111mm Hydro-Brake® Flow Control device, into a local watercourse.  horsham.jpgThe unique features Hydro’s Stormcell® include its patented silt protection pipework and geotextile layers. These ensure any silt within the system is carried through to the Hydro Downstream Defender® where, due to its unique vortex flow action, sediment settles out in the easy access sump and hydrocarbon pollutants are separated into a collection zone; both can be easily removed periodically.  

These design features, combined with power-free, no moving part operation, ensure minimal maintenance requirements for the system and its low life cycle and installation costs deliver a total installed cost less than conventional storage techniques, as recommended for SuDS projects.

                                                                                                    In addition, because of the load bearing capacity of Stormcell® (up to 40 tonnes/m²), the storage system can be sited directly under the car park without additional civil or structural support, greatly reducing land grab.       The Hop Oast Park and Ride facilities were funded jointly by Horsham District Council and West Sussex County Council. If you would like any further information on the Hydro Stormwater Package, Hydro Stormcell®, Hydro Downstream Defender®, the Hydro-Brake® Flow Control device or any of Hydro’s other storm and wastewater management systems, please call 0800 269371.
 
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