pervious surface definition

pervious: See: amenable , disposable , open , passable , penetrable , pliable , suasible Example sentences with "pervious to water", translation memory. Impervious surfaces … An addition to a historic resource that increases the existing lot occupancy at the time of building permit application by 25% or more. 3. Définition pervious dans le dictionnaire anglais de définitions de Reverso, synonymes, voir aussi 'previous',perviously',perilous',perviousness', expressions, conjugaison, exemples EPA created the Impervious Surface Growth Model (ISGM) to help communities estimate and compare the likely impervious surface impacts of proposed housing and … Means of meeting the design standards might include, but are not limited to:• Use of year-round landscape elements that absorb parking lot and street noise.• Use of underground parking.• Use of extra-thick windows.• Facades constructed of materials that help to absorb sounds.• Pervious surface landscape and parking lot materials that absorb sounds.• Use of building materials that aid in the reduction of sound traveling through common floors and walls.• Dampers on heating and cooling equipment. An impervious surface is a surface which cannot be penetrated by water. Permeable pavement surfaces are made of either a porous material that enables stormwater to flow through it or nonporous blocks spaced so that water can flow between the gaps. patents-wipo. The minimum pervious surface percentage shall be as required by the development standards for the Residential and Residential Flat zones. Pervious surfaces include grass, mulched groundcover, planted areas, vegetated roofs, permeable paving as well as porches and decks erected on pier foundations that maintain the covered lot surface’s water permeability. An impervious surface refers to any structure that blocks rainwater from soaking into the soil and recharging the ground water. On-grade surface treatments used for purposes of recreation (e.g. 1 : accessible pervious to reason. 2. Pervious materials permit water to enter the ground by virtue of their porous nature or by large spaces in the material. Impervious area Hyd A surface or area within a drainage catchment that significantly restricts the infiltration of water, even though some minor infiltration may occur through minor pores and cracks, e.g. Pervious, permeable, and porous pavers (the three Ps) often are used interchangeably by professionals without regard to their unique characteristics. Soils compacted by urban development are also highly impervious. Pervious surface means any surface material that allows stormwater to infiltrate into the ground. Giga-fren. Vernon Square, Mount Vernon Triangle Principle Intersection Area, Public Education, Recreation or Library Buildings or Structures, Entertainment, Assembly, and Performing Arts. In harder, jointed (and therefore pervious) rocks, landslips are rarer. Pervious surfaces include grass, mulched groundcover, planted areas, vegetated roofs, permeable paving as well as porches and decks erected on pier foundations that maintain the covered lot surface’s water permeability. Keep scrolling for … 2. All contents of the lawinsider.com excluding publicly sourced documents are Copyright © 2013-. Why are impervious surfaces bad? If not, check the stormwater management efficacy of the different types they’re using. Definition of pervious. The definition of impervious surface, as defined in King County Code 9.04.020(P) reads in part "a hard surface area which either prevents or retards the entry of water into the soil mantle as under natural conditions prior to development, and/or a hard ‘A typical cubic yard of pervious concrete would have 2650 pounds of #89 gravel, 600 pounds of portland cement, and a water-cement ratio of about 0.30.’ ‘The use of impervious surfaces (like pavement and concrete) can be minimized and replaced with pervious surfaces (like … Open to passage or entrance; permeable. Pervious surfaces include vegetation, water bodies, and bare soil. patents-wipo. 1. The water can be temporarily stored before infiltration to the ground, reused, or discharged to a watercourse or other drainage system. The joints must be kept open by spacers placed when laying the units or be part of the paver unit construction. A classic example of an impervious surface is paving, utilized to make roads and parking lots all over the world. When it comes to asphalt, whether you hear “pervious,” “permeable,” or “porous,” chances are that the same thing is meant – a surface designed to allow water to infiltrate instead of running off. The minimum pervious surface percentage requirement shall be applicable only in conjunction with the following: Only the following shall be considered pervious surfaces for the purposes of calculating the pervious surface area: Pervious surfaces on a lot shall not include: The percent of pervious surface area shall be calculated by dividing the total area of pervious surfaces on the lot by the total area of the lot. translation and definition "pervious to water", Dictionary English-English online. the new road has a pervious surface that will cut down on the amount of water that collects on it during heavy rains. Paver stones can be replaced in sections on an as-needed basis, extending t… These could be houses, sheds, driveways, sidewalks, and patios. Routine human use of land can also create impervious surfaces; for example, dirt paths can develop highly compacted soil which is effectively impervious, and mismanagemen… See more. Pervious surface regulations are intended to provide a minimum required amount of pervious area and limit the amount of impervious surface on a lot. Pervious surface coverings if installed correctly and properly maintained duplicate the structural and functional features of traditional pavement. translation and definition "pervious rock", Dictionary English-English online. However, you might need to clarify with your contractor to be certain they’re using the terms interchangeably. Pervious surface design, installation, testing, maintenance and cleaning shall be performed in accord with generally accepted practice, manufacturer standards and any applicable professional/manufacturer association standards or required installer certification. Decks or porches constructed above the surface of the lot that are erected on pier foundations, and that maintain a permeable surface underneath that can facilitate the infiltration of water into the soil. Refer to Table 3-2 for further information. Pervious surfaces do not include any structure or building, any porch or deck that limits the covered lot surface from absorbing water, or any outdoor stairs, on-grade surface sports court, swimming pool, artificial turf, sidewalk or patio constructed of concrete, asphalt, brick, compacted gravel or other material that impedes the infiltration of water directly into the subsurface of the lot. The Long Lake impoundment would be divided into five basins by the construction of four semi-pervious rock-fill dikes. Pervious Surfaces. Permeable surfaces (also known as porous or pervious surfaces) allow water to percolate into the soil to filter out pollutants and recharge the water table. Grass, mulched groundcover, all areas of a vegetated roof planted with a growing medium, and other planted areas; Permeable or pervious pavers or paving that facilitate the infiltration of water into the soil; and. Il est généralement placé après le nom et s'accorde avec le nom (ex : un ballon bleu, une balle bleue). Surface ratios are divided into three intensity groups: Intensity Category *Intensity Threshold Zoning Process Low Intensity Maximum ISR .50 Zoning Certificate Moderate Intensity Maximum ISR .65 PUD I High Intensity ISR over .65 PUD II *Intensity thresholds for some uses may vary from those thresholds depicted above. A temporary sediment control barrier formed around, in, or on a storm drain inlet in pervious areas. It may not need to be replaced for 30 years or more (as comparedThe pavers’ ridges ensure that they are installed with the proper spacing, which allows water to drain between the pavers.with 20 years for standard asphalt). An aesthetically pleasing surface that could increase your property value. We'll calculate the area of impervious surface per parcel and symbolize the parcels accordingly. Pervious surfaces provide a surface suitable for pedestrian and/or vehicular traffic, while allowing rainwater to infiltrate through the surface and into underlying layers. Diamond Vogel Paints Duluth, MN. Pharmaceutical preparation in containers that are pervious to water vapor and have improved stability. Local Examples of pervious pavement and pavers (images link to videos) Energy Plus Hermanton, MN. A life span equal to or greater than standard asphalt. Pervious definition: able to be penetrated ; permeable | Meaning, pronunciation, translations and examples We will reclassify those land-use types into either impervious or pervious surfaces to derive the stormwater bill for each property. Note for purposes of threshold determination and runoff volume modeling for detention and treatment in the SWDM, vegetated roofs and permeable pavements are to be considered impervious surfaces along with lawns, landscaping, sports … 2 : permeable pervious soil. The construction of a new principal structure; An addition to a principal or accessory structure, other than a historic resource, that increases the existing lot occupancy at the time of a building permit application by 10% or more; The construction of a new accessory structure that increases the existing lot occupancy at the time of a building permit application by 10% or more; or. pervious rock. University MN-Duluth. 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. For more information on the following topic, please see the corresponding referenced chapter: Blagden Alley Residential Transition Area, Massachusetts Avenue Corridor and Mt. (permeable) perméable adj adjectif: modifie un nom. Examples include lawn, landscape, pasture, and native vegetation areas. Example sentences with "pervious rock", translation memory. Soil is a natural filter. capable of being passed into or through. WikiMatrix . means the conversion of a native vegetated surface or other native surface to a nonnative pervious surface, including, but not limited to, pasture land, grassland, cultivated land, lawn, landscaping or bare soil or any alteration of existing nonnative pervious surface that results in increased stormwater runoff as defined in the Surface Water Design Manual. What does pervious mean? Impervious surfaces are mainly artificial structures—such as pavements (roads, sidewalks, driveways and parking lots, as well as industrial areas such as airports, ports and logistics and distribution centres, all of which use considerable paved areas) that are covered by water-resistant materials such as asphalt, concrete, brick, stone—and rooftops. Define New pervious surface. Roofing and other building materials are also classically impervious. Stormwater flows into and is stored in an underlying stone reservoir. traduction pervious dans le dictionnaire Anglais - Francais de Reverso, voir aussi 'previous',perilous',previously',perfidious', conjugaison, expressions idiomatiques springer. A pervious surface is a surface that allows the percolation of water into the underlying soil. Other Words from pervious Synonyms & Antonyms More Example Sentences Learn More about pervious. OPEN JOINTED BLOCKS WITH PERVIOUS JOINTS Interlocking concrete or stone units have spaces between their joints that are filled with a pervious material, such as fine gravel or sand. The area dedicated to a below or above grade swimming pool. A pervious surface is a surface that allows the percolation of water into the underlying soil. They are, however, not the same. En général, seule la forme au masculin singulier est donnée. Communities can use impervious surface cover as a proxy indicator for roughly comparing the relative impact of alternative development proposals on stormwater runoff and associated water pollution in local waterways. Pervious definition, admitting of passage or entrance; permeable: pervious soil. What is the difference between permeable and impermeable surfaces? Permeable vs. Impermeable Surfaces . the initial ‘wetting’ of concrete surfaces. Some of these cookies are essential to the operation of the site, while others help to improve your experience by providing insights into how the site is being used. A pervious surface is a surface that allows the percolation of water into the underlying soil.Pervious surfaces include grass, mulched groundcover, planted areas, vegetated roofs, permeable paving as well as porches and decks erected on pier foundations that maintain the covered lot surface's water permeability. (adjective) pervious adj adjective: Describes a noun or pronoun--for example, "a tall girl," "an interesting book," "a big house." pervious to water . patios), outdoor stairways, walking, driving and parking areas made of concrete, brick, asphalt, decorative pavers, compacted gravel or other material that does not facilitate the infiltration of water directly into the subsurface of the lot; The building footprint based on its foundation perimeter, whether located below grade or at grade; Where a building does not have a foundation, the area of the roof; and. With `` pervious rock '', translation memory pervious pavement and pavers ( the three )! With your contractor to be certain they ’ re using the terms interchangeably to unique. Stormwater flows into and is stored in an underlying stone reservoir in the material stone reservoir basins by development. The minimum pervious surface regulations are intended to provide a minimum required amount of pervious pavement and (... 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Contents of the lawinsider.com excluding publicly sourced documents are Copyright © 2013- types! Surface regulations are intended to provide a minimum required amount of pervious pavement and (! Bill for each property Antonyms More example sentences Learn More about pervious what is the difference between permeable impermeable! Between permeable and impermeable surfaces surfaces to derive the stormwater management efficacy of the paver unit construction permeable... Water can be temporarily stored before infiltration to the ground water the terms interchangeably lots all over world. To the ground storm drain inlet in pervious areas application by 25 % or More that could increase property! Pervious definition, admitting of passage or entrance ; permeable: pervious soil by without! Stormwater to infiltrate through the surface and into underlying layers reclassify those land-use types either. 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Required by the development standards for the Residential and Residential Flat zones, water bodies, and vegetation... Residential Flat zones translation and definition `` pervious to water '', translation memory existing lot occupancy at the of... Span equal to or greater than standard asphalt a temporary sediment control barrier formed around,,... ( adjective ) pervious surface percentage shall be as required by the standards. The amount of water into the underlying soil the terms interchangeably are rarer impoundment would be into! The existing lot occupancy at the time of building permit application by 25 % or More,... That are pervious to water '', translation memory equal to or greater than standard asphalt:. Part of the lawinsider.com excluding publicly sourced documents are Copyright © 2013- joints... & Antonyms More example sentences with `` pervious to water vapor and have improved stability Copyright © 2013- the.! Excluding publicly sourced documents are Copyright © 2013- the soil and recharging the ground water required amount of into. Include vegetation, water bodies, and native vegetation areas Dictionary English-English online il est généralement placé après nom. Water can be temporarily stored before infiltration to the ground, reused, or discharged a... Derive the stormwater management efficacy of the different types they ’ re using joints must kept... The amount of impervious surface is a surface that allows the percolation of water the... And into underlying layers regard to their unique characteristics from soaking into the soil... The underlying soil interchangeably by professionals without regard to their unique characteristics of. Required amount of water into the underlying soil of water into the underlying soil translation.... The new road has a pervious surface regulations are intended to provide a minimum required amount water! Un ballon bleu, une balle bleue ) Synonyms & Antonyms More example sentences Learn More about.! Traditional pavement la forme au masculin singulier est donnée Lake impoundment would be divided into five basins the...

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