CIVILS LANDSCAPING aqua sp ort aqua THE RANGE FOR INFILTR ATION SOLUT ION

CIVILS LANDSCAPING aqua sp ort 2 THE RANGE FOR INFILTRATION SOLUT ION EFFECTIVE INFILTRATION SYSTEMS SUPPORT THE NATURAL WATER CYCLE AND PROVIDE SUSTAINABLE SUPPORT FOR VITAL RESOURCES. Water is one of the most valuable resources on earth. Water means life. However, in densely ‚populated countries the natural water cycle is significantly affected by ground surfaces being sealed off. Natural infiltration of rainwater is reduced more and more, resulting in the groundwater level sinking and ground drying out. In order to counteract these developments we require systems that store rainwater at the...

3 24 drainfi x®TWIN HIGH VOLUME IN THE SMALLEST SPACE drainfi x®BLOC STABLE, SAFE AND EXTREMELY STRONG 10 The HAURATON Designer Pac kage 4

4 The HAURATON Designer Pac kage INDIVIDUAL SUPPORT FOR THE SYSTEM DESIGNER Designing solutions for the many and diverse requirements in the field of infiltration requires detailed knowledge, great expertise and extensive experience. Our experts, both in field sales as well as in the office, are fully trained to answer technical and product-specific questions to be able to provide you with competent and individual advice. We will support your individual building project from project¬-related tender documents through to installation – even where the brief calls for unusual duties and design. Give...

5 HAURATON IS A MEMBER OF THE RAL QUALITY ASSOCIATION FOR WATER SYSTEMS E.V. RAL (German Institute for Quality Assurance and Certification e.V.) is an organisation in charge of securing high quality levels of products and services. Only RAL, the head organisation of currently 131 quality organisations, is authorised to award quality marks in Germany. HAURATON is a member of this quality association and can therefore offer the highest level of product certification. DRAINFIX CALCULATION SHEET Each HAURATON designer folder contains a DRAINFIX calculation sheet to be used by the system designer...

6 WHY INFILTRATION? The continuing sealing off of surfaces through the construction of residential and commercial buildings and roads seriously affects the natural water cycle. In urban areas with average densities only about one quarter of the stormwater volume can infiltrate the ground. The largest part has to be drained away via the drainage systems. Defunct and inadequately sized drainage networks are no longer capable of handling these quantities of water. Natural soils and layers of vegetation provide storage for the stormwater and then release it again to the ground water with a time delay...

7 COMMERCIAL REASONS Constant upgrading work as well as the operation and maintenance of drainage networks and retention basins drives up the costs for local authorities. The effect this has on sewage charges is something we can all feel in our pockets. Many municipalities recommend and support with grants the construction of decentralised infiltration systems on building sites when areas are opened up for new developments. This ecological commitment can also bring financial benefits from grants or reduced levies and charges. ADVANTAGES COMPARED TO CONVENTIONAL GRAVEL INFILTRATION STRUCTURES...

8 CATCHMENT AREAS This includes all areas from which precipitation water runs into the infiltration system. The important parameters are the degree of water permeability (run-off value) and planned usage. For example, the water coming off an area of turf is different in quantity and quality to that coming off a road. TYPE OF SURFACE SUGGESTED MEAN RUN-OFF VALUES Øm FOR TYPE OF SURFACE FINISH Sloping roof metal, glass, slate, fibre cement: 0.9 – 1.0 tiles, roofing felt: 0.8 – 1.0 Flat roof (slope up to 3 ° or approx. 5 %) metal, glass, fibre cement: 0.9 – 1.,0 roofing felt: 0.9 gravel: 0.7 Green...

9 SOIL PROPERTIES, kf-VALUE The properties of the soils are of critical importance for the infiltration characteristics. Sandy soils or those with a gravel content have a lower infiltration factor kf and hence allow significantly more infiltration than those with a high clay content. This kf-value is determined by the grain size, composition and volume of the material in the soil and indicates how fast water can infiltrate (soak away). Soils with good infiltration characteristics have kf-values between 1O-3 m/s and 10-6 m/s and range from sandy gravel to sandy silt. RAIN YIELD AND OCCURRENCE...

CIVILS LANDSCAPING aqua sp ort STABLE, SAFE AND EXTR EMELY STRO NG. INFILTRATION MODULES FOR INDUSTRIAL AND COMMERCIAL AREAS. drainfi x®BLOC

AT A GLANCE Infiltration block with very high storage capacity Light-weight and variable infiltration modules Requires only a minimum of excavation Ideal where space is restricted Load-bearing capacity up to SLW 60, suitable for installation under areas with vehicular traffic

CIVILS LANDSCAPING aqua sp ort 12 drainfi x®BLOC STABLE, SAFE AND EXTR EMELY STRO NG. INFILTRATION MODULES FOR INDUSTRIAL AND COMMERCIAL AREAS. THE PRODUCT DRAINFIX BLOC is a polypropylene (PP) infiltration block with a very high storage capacity. The void ratio is more than 90 %. The system can be installed in areas with different load requirements – even in HGV-trafficked areas up to SLW 60. The modules have been tested structurally for different load conditions. Stormwater enters the infiltration structure through infiltration in accordance with work sheet DWA-A 138. Filtered water will reach...

13 Very strong hence small space requirement Depending on the type of soil, the modules can be installed in several layers. Under SLW 60 conditions it is possible to form 5 or more layers (depending on the type of soil and details of the cover); under less heavy loads it is possible to increase the number of layers as calculated for the respective loads, for example 8 layers for passenger car traffic. This minimises the size of the building site and the space requirement. Change of use Where there is a subsequent change of use, DRAINFIX BLOC offers another assurance. Any areas that were originally...