Ats construction testing an asphalt porous pavement parking lot at the kentucky horse park in lexington, kentucky. It is pourable in place and suitable for manual laying on the. Such pavements have been proving their worth since the mid1970s. As porous pavement becomes more the industry standard, required by states and local governments as a solution for rainwater runoff and groundwater concerns, more and more companies like ppi are entering the market. Brandon milar, california asphalt pavement association subject. It is the responsibility of the owner to maintain the pavement in accordance with the minimum design standards. Porous asphalt hansen 2008 and permeable interlocking pavements use flexible pavement design methods adopted from the 1993 aashto guide for design of pavement structures aashto 1993.
In this technical memorandum the term permeable pavement is used generically for fully permeable pavements with all surface types. Pervious concrete also called porous concrete, permeable concrete and no fine concrete is a special type of concrete with a high porosity used for concrete flat work applications that allows. Types of permeable pavement numerous types of permeable pave ment. Design and contruction of a porous asphalt stormwater bmp retrofit. Civil construction management assistant professor, civil. Background first developed in the 1970s at the franklin institute in. Pdf permeable pavement design and construction case studies. Subdrainage will remove harmful water accumulation that will cause degradation of the insitu soils resulting in loss of support capacity. Porous pavement also known as permeable and pervious pavement is a stormwater management facility that allows water to move through void spaces within the pavement and eventually infiltrate. Porous pavement is a waterpermeable structural groundcover that. A typical porous pavement has an opengraded surface over an underlying.
Design and contruction of a porous asphalt stormwater bmp. They conserve water, reduce runoff, promote infiltration which. When used in pavement applications, pervious concrete can effectively capture and store stormwater runoff, thereby allowing the runoff to percolate into. Pdf experimental results on permeable pavements in urban. Specific details on hydrological design are beyond the scope of this report. Permeable pavement combined minnesota stormwater manual. Pervious concrete is most common today, but porous asphalt, interlocking concrete pavers, concrete grid pavers, and plastic reinforced grids. But oosterhouse says michiganbased ppi is one of the few to perfect the sticky part. Permeable pavement systems pps are suitable for a wide variety of residential, commercial e. Permeable pavement permeable pavement also known as pervious or porous concrete is a specific type of pavement with a high porosity that allows rainwater to pass through it into the ground below.
Porous pavement is considered a costeffective stormwater. Pervious pavement a term that includes pervious concrete, porous asphalt, permeable paver blocks and reinforced turf is an infiltration bmp that combines stormwater infiltration, storage, and structural. Pervious concrete, sometimes referred to as nofines, gapgraded, permeable, or enhanced porosity concrete, is an innovative approach to controlling, managing, and treating stormwater runoff. Porous pavement is a pervious trafficbearing surface placed over a stone reservoir which is, in turn, underlain by highly permeable soil. Many contaminants are removed as the stormwater passes through the porous asphalt, stone recharge bed, and soils through filtration and microbial action. Us epa, region 1, office of environmental stewardship subject.
Through this movement, pervious concrete mimics the natural process that occurs on the grounds surface, consequently reducing runoff and. Regular inspection and maintenance guidance for porous. The study of porous asphalt pavement with emphasis in road construction design mr. If a hydraulic connection is possible, porous asphalt pavement. Unhsc design specifications for porous asphalt pavement and. Rubber or plastic tipped snow plow blades shall be used. Each kind of pavement requires different methods of construction, but the need to pass water through the pavement to allow rapid drainage is the primary function of porous pavement. Permeable pavement options vary depending upon whether the pavement will receive light, moderate, or heavy use. Pdf permeable pavements can reduce volumes and improve water quality of stormwater runoff by allowing water. Regular inspection and maintenance guidance for porous pavements regular inspection and maintenance is critical to the effective operation of porous pavement. If the porous pavement system is built over nonporous soils and an excavation is required such that water could be trapped, sub drainage becomes a required component of the system. Porous asphalt types porous overlays friction courses pfc ogfc usually a thin wearing course of porous asphalt pavement above impervious layer water drains out laterally. Civil construction management assistant professor, civil engineering department, ashokrao mane group of institutions, vathar.
Permeable pavement with swale10% for the best success, a few key factors must be considered when undertaking a project involving permeable pavement alternatives. Create pdf in your applications with the pdfcrowd html to pdf api. Design criteria for permeable pavement minnesota stormwater. Protect pavement from contamination build porous pavement late stabilize adjacent areas before construction maintenance do not sand, or ash pavements install signage to warn maintenance. Aug 04, 2015 porous pavement is concrete, asphalt, or pavers that allow rainwater to pass through and soak back into the ground naturally. Permeable pavement design and construction case studies in north america conference paper pdf available september 2014 with 7,768 reads how we measure reads. Permeable pavements is a comprehensive resource for the proper design, construction, and. Design and contruction of a porous asphalt stormwater bmp retrofit an epa education and outreach project author. Welldesigned porous pavement systems resist clogging. Porous asphalt pavements allow for land development plans that are more thoughtful, harmonious with natural processes, and sustainable. Permeable pavement fact sheet information for howard. Porous asphalt pavements california coastal commission.
If a hydraulic connection is possible, porous asphalt pavement systems shall be located per the requirements of wdnr conservation practice standards 1002, site evaluation for stormwater infiltration, and. Review of permeable pavement systems sciencedirect. Presentation to the mystic river steering committees municipal subcommittee on november 15, 2012. Several applications use porous asphalt in parking lot lanes or parking stalls to treat runoff from adjacent impermeable pavements and. In addition, mndot design methods, approved mechanistic principles, and manufacturers specific recommendations should be consulted. Greening the urban environment 2528 september 2011 1. Porous asphalt national asphalt pavement association.
The pavement layer page of the lid control editor supplies values for the following properties of a porous pavement lid. Porous pavement provides a stable loadbearing surface without increasing a projects total impervious area. Porous asphalt and pervious concrete will not properly pour and set in extremely high and low temperatures. For example, porous asphalt can be installed across an entire street width or an entire parking area. Unhsc design specifications for porous asphalt pavement. Porous pavement over a structural smp is considered an smp in series, where the porous pavement is designed to manage its direct 1. The porous pavement in sponge city used as a pervious surface layer, which works together with the porous base to help in the rapid infiltration of rainfall into the ground. The pavement can also be installed in combination with impermeable pavements or roofs to infiltrate runoff.
Protect pavement from contamination build porous pavement late stabilize adjacent areas before construction maintenance do not sand, or ash pavements install signage to warn maintenance personnel can patch with conventional asphalt pavement systems pps are suitable for a wide variety of residential, commercial e. Porous pavement options prestos geoblock and geopave systems are both rigid porous pavements designed to handle the most demanding load support requirements while promoting natural stormwater infiltration, reducing runoff, and reducing the need for detention or retention ponds. The porous pavement curve number thomas ballestero, pe, phd, ph, cgwp, pg, federico uribe, robert roseen, pe, phd, d. Fully permeable pavement for stormwater management. Porous pavement systems generally perform better and require less treatment than standard pavements do not apply abrasives such as sand or cinders on or adjacent to porous pavement snow plowing is fine but should be done carefully i. Porous pavement is designed to allow air and water to pass through spaces between large pieces of gravel in the surface layer, rather than run off an impervious top.
Asphalt porous pavement is a green application that allows storm water. For roads, other major benefits include reduced noise, increased wetweather friction and visibility, and reduced stormwater. Wre, james houle, cpswq university of new hampshire stormwater center university of new hampshire philadelphia low impact development symposium. Permeable pavements allow stormwater runoff to filter through surface. Recent research has identified permeable pavements as a cool pavement technology. Manual for the greater adelaide region, government of south australia, adelaide. The four layers used in a simulation for a permeable pavement lid are shown in the following image. The pavement can also be installed in combination with impermeable pavements or roofs to infiltrate. The geopave porous pavement system components the geopave porous pavement system with aggregate or an aggregatetopsoil engineered infill provides a permeable, stabilized surface for vehicular and pedestrian load support. Stormwater seminar october 17, 2007 permeable paving. The terms permeable, porous or pervious are used interchangeably. An infiltration bmp a lid technique author us epa, region 9, clean water act compliance office subject contains slide presentation on low impact development.
Porous asphalt pavement next to impervious pavement. Porous asphalt pavements offer developers and planners a new tool in their toolbox for managing storm water. Porous pavement is concrete, asphalt, or pavers that allow rainwater to pass through and soak back into the ground naturally. These pavements, used mostly for parking lots, allow water to drain through the pavement surface into a stone recharge bed and infiltrate into the soils below the pavement. Pdf permeable pavement design and construction case. Pavement placement properly installed permeable pavement requires trained and experienced producers and construction contractors. Properly designed porous pavement systems do not get damaged by the dynamics of freeze thaw cycles. Pervious pavement a term that includes pervious concrete, porous asphalt, permeable paver blocks and reinforced turf is an infiltration bmp that combines stormwater infiltration, storage, and structural pavement consisting of a permeable surface underlain by a storage or infiltration reservoir. As porous pavement becomes more the industry standard, required by states and local governments as a solution for rainwater runoff and groundwater concerns, more and more companies. If the porous pavement system is built over non porous soils and an excavation is required such that water could be trapped, sub drainage becomes a required component of the system. The term porous refers to holes in the asphalt material that provides a way of managing storm water or drainage challenges. In this technical memorandum the term permeable pavement is used. All other installations cited in this article are asphalt pavements.
The study of porous asphalt pavement with emphasis in. Because water freely passes through, porous pavement does not. Special issue on porous pavement and stormwater runoff. These pavements, used mostly for parking lots, allow water to drain through the pavement. A typical porous pavement has an opengraded surface over an underlying stone recharge bed. Porous asphalt pavement and infiltration beds design specifications page4 university of new hampshire stormwater center february 2014 part 1 general 1. Because water freely passes through, porous pavement does not generate stormwater runoff.
Permeable pavement is a method of paving that allows stormwater to seep into the ground as it falls rather than running off into storm drains, waterways and eventually the chesapeake bay. Standard drawings pretreatment iumxxx to be developed operation and maintenance 1. It helps rainwater and snowmelt infiltrate soil, significantly improves the waters quality through its filtering action, replenishes groundwater, and reduces total runoff. The rest of the pavement structure consists of aggregate. Asphalt porous pavement is a green application that allows storm water to. Pervious pavement otherwise known as permeable and porous pavement is a.
The study of porous asphalt pavement with emphasis in road. National asphalt pavement association, porous asphalt pavement, national asphalt pavement association, lanham maryland, 2003. Porous pavement systems generally perform better and require less treatment than standard pavements do not apply abrasives such as sand or cinders on or adjacent to porous pavement snow plowing is. Permeable pavement fact sheet information for howard county. Porous material is most often used for parking lots to allow water. For roads, other major benefits include reduced noise, increased wetweather friction and visibility, and reduced stormwater temperatures before discharge lebens 2012. Types of permeable pavements used in highway stormwater management. The void space created by the stone reservoir provides storage for surface runoff on generated or diverted onto the porous surface. Field testing of porous pavement performance on runoff. Jul 20, 2010 ats construction testing an asphalt porous pavement parking lot at the kentucky horse park in lexington, kentucky.