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��t '�di�. l'�.''�.�. � « ., � � . <br /> � � � + <br /> j � � � �.� .,.�,� ��',.. �M � � � ` r' a <br /> 2 r �' � ,r � � ;M.� ;r" kL•.s <br /> 2 . � . �'.. �' r r. . � ,. � _r�,�1t , <br /> y. <br /> ,L <br /> InCroduCtiOn waters suct�asst�eams;reeervoirs;'�nd lakes—our drinking <br /> water�TMs r�riafP`also h�dr�?s�getation and wildlife with <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. <br /> ^F ���;� r'a,a,o, '�, � �f� '� �. �"� ...ae� ��',t <br /> � � ������� � ��� R ��; � <br /> "� ��;, � - e f��� w"`;.� ^: � �.`. . - , <br /> T �t y B �.. 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'�'� yt.*t-,� . �i � �� � ...�,� � „k �s� �F. <br /> .� .� .< �:�: <br /> � <br /> ��'�� - . ...+���������..'' n .'YA f•�, -/� . `x ` .a� �iJ"..'_�;a.''.s'.: .e�,.Y.�. .. a.��o.,t.e s a..d�. _ � <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). <br />