This below ground rainwater  EcoBloc Maxx attenuation crates are an  excellent solution for drainage areas for which SUDS . Perfect for areas where infiltration is possible due to due good drainage conditions (sand, silt, gravel etc.). If you do not have these conditions please see our attenuations tanks. The EcoBloc Maxx is suitable for vehicle loading.   This package provides the perfect solution to satisfy planning and building control.  What's Included:  EcoBloc Maxx crates Light base plates Light end plates Connectors Non Woven Geotextile NW8 100g/m2 Full installation instructions  If you require a calculation to confirm the size of your please confirm the following:  Collection area - m2 Infiltration rate of soil/soil type: -m/ if the infiltration test has been completed if not description sand, silt clay etc.   Loading required - Pedestrian or Vehicle Features and Benefits  High storage volume GRAF infiltration modules have three times the storage volume of a standard gravel infiltration ditch. One module therefore takes the place of around 1300 kg (1,4 tons) of gravel or a 50 m (164') drainage pipe. Since you don‘t have to excavate so much soil and enjoy great value for money compared with a standard gravel infiltration ditch, the GRAF modules save hard-earned cash! Service life of over 50 years A durable product design ensures sustainability. The GRAF EcoBloc system and the Vario 800 flex shaft system for a service life of over 50 years. Easy to install The modules are fitted simply, at speed and in various ways. They can be installed without heavy machinery – one EcoBloc Inspect flex module weighs just 8 kg (17.6 lbs), only 7 kg (15.4 lbs) for one EcoBloc Maxx unit. Up to 97 % reservoir volume The GRAF EcoBloc Maxx has a gross volume of 225 (59.4 US gal.) and a reservoir volume of 219 (57.9 US gal.). With a reservoir volume in excess up to 97 %, it is a market-leading product. The EcoBloc variants and Inspect flex still offer a reservoir coefficient of 96 % despite their high load-bearing capacity. Installation depth of up to 4m Even under very heavy loads, GRAF EcoBloc Maxx modules can be installed at a depth of up to 4 (13'1.4"). This means that up to 9 layers are possible. Please consult GRAF when the installation depth is greater than 4 . 5 years warranty Easy installation The EcoBloc base plate forms the foundations of each EcoBloc system. Up to 10 EcoBloc modules can be fitted on one base plate. Ready The side faces are sealed with EcoBloc end plates. The EcoBloc system can be adapted to match individual requirements. EcoBloc Maxx Spec Sheet Standard Detail Attenuation EcoBloc Maxx Product Spec Sheet