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<br /> InCroduCtiOn waters suct�asst�eams;reeervoirs;'�nd lakes—our drinking
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<br /> History of Porous Paving increas�d wa�r volupie,�,-d�lociti�s,�l�d higher temperatures.
<br /> Pebbles,cobblestones,and wood decking structures have been The Grasspave�and'Grave�pave2 systems protect against this
<br /> used since the dawn of civilization to reinforce where we walk dangerous runoff by processing and cleaning the water,thus
<br /> and the roads we use.Little did we realize that these methods safeguarding the natural water cycle.
<br /> had benefits over the modern trends of sealing up the ground
<br /> with asphalt and concrete.Porous,permeable or pervious State bf the Earth
<br /> paving—whatever you prefer—became a method for addressing Invisible Structures,Inc.has developed an entire line of products
<br /> stormwater issues in the early 20th century.Concrete turfblock to address stormwater and environmental concerns.Rainstore3,
<br /> for grass paving began in the mid-1940s Slopetame2,Draincore2,and Beachringsz
<br /> and plastic versions were invented in the �" , can work in addition to,or in conjunction
<br /> late'70s and early'80s.Great advance- `.� �, ; with,Grasspave2 and Gravelpavez to
<br /> ments have occurred in pervious concrete, �`�� � �'�t provide your site,home,or office with
<br /> pervious asphalt,and other permeable sur- �� �r"����,�a i��� stormwater and environmental enhance-
<br /> faces.We introduced Grasspavez in 1982, � ��� �¢���� ments.Our products can store and collect
<br /> �'`'`�'� - � rain, rovide erosion and sediment control,
<br /> improving upon these earlier concepts.In F���. �� � p
<br /> 1993, Gravelpave2 was unveiled,the only t, � efficiently convey and deliver water,and
<br /> product specifically developed for gravel �,.��� ` protect natural areas.
<br /> porous paving.Fast forward to this millen- '��" ��"
<br /> �.r,� � Advanced Technology
<br /> nium,and Grass avez and Gravel avez are �°" �+' � }
<br /> considered by most,the finest porous "�'��'�""'�` � The Grasspavez and Gravelpavez systems
<br /> pavers developed. GrasspavezlargerollsandGravelpaveZlargerous are based on a simple,but impressive
<br /> (notshown)installquicklyandconformtothecontours technology—a series of rings (cylinders)
<br /> Infiltration connected on a flexible grid system.The
<br /> of the ground.
<br /> Porous paving allows rainwater to percolate cylinders are engineered to withstand
<br /> through the pavement's surface and back into the ground significant structural loads and the grid provides stability,
<br /> (infiltrating),where the water is cleaned and returned to ground flexibility,and continuity for large areas.The grid system also
<br /> water supplies.Porous paving improves upon impermeable sur- has the unique ability to be rolled up for easy shipping,
<br /> faces,such as concrete or asphalt,which do not allow for this handling and installation.
<br /> natural filtration.Rain collects airborne and surface pollutants This engineered design allows for any street-legal vehicle
<br /> such as sediment,brake dust,chemicals,vehicle exhaust,oil, (and sometimes larger) to park or drive on our Grasspavez or
<br /> salts,fertilizers,bacteria,and animal waste.On impermeable GravelpaveZ surfaces.The point load pressure is transferred
<br /> surfaces the polluted rainwater runoff(non-point source pollu- from the top of the ring,through the fill material and cylinders,
<br /> tion) is collected,concentrated,and discharged to downstream to the engineered base course.
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<br /> Wallace Residence,Savannah,GA—Gravelpavez creates a wheelchair-accessible surface by stabilizinggravel and wpporting tire pressure.7%dry cement was mixed with gravel before filling rings.
<br /> Cover phoro:Westin Kierland Resort and Spa,Scottsdale,Arizona—Grasspavez fire lane and GravelpaveZ fire lane(concrete widening).
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