Permeable surfaces definition

Permeable surfaces means sand, gravel, and other penetrable deposits or materials on the ground which permit movement of materials, such as groundwater or contaminants, through the pore spaces, or active or abandoned wells which permit the movement of fluid to the groundwater.
Sample 1Sample 2Sample 3
Permeable surfaces means the pervious concrete, porous asphalt, unit pavers, and/or granular materials that allow water to infiltrate into subsurface soil.
Sample 1Sample 2Sample 3
Permeable surfaces means sand, gravel, and other penetrable deposits on the ground which permit movement of groundwater through the pore spaces, or active or abandoned wells which permit the movement of fluid to the groundwater.
Sample 1

Examples of Permeable surfaces in a sentence

  • Permeable surfaces and paving stones should be utilized on drive ways and properties to reduce the impact of storm-water run-off.

  • For (e): (1) Roof runoff into cisterns or rain barrels; (2) Roof runoff onto vegetated areas; (3) Walkway/Patio runoff onto vegetated areas; (4) Driveway/Uncovered parking lot runoff onto vegetated areas; (5) Permeable surfaces for walkways, patios; (6) Permeable surfaces for driveways, bike lanes, uncovered parking lots.

  • Permeable surfaces are required, unless site runoff characteristics at specific locations warrant a non-erodible surface.

  • Permeable surfaces shall be encouraged for proposed parking areas to limit stormwater runoff.

  • Permeable surfaces approved by the Director of Public Works may be used to satisfy this requirement.

  • Permeable surfaces should be used on driveways to the maximum extent practicable.

  • Key: Re = Green roof (extensive); Ri = Green roof (intensive); LW = Living wall; PS = Permeable surfaces; RG = Rain garden; FS = Filter strips; Br = Bioretention; DB = Detention Basin; RB = Retention Basin; WG = Wet Grassland; WW = Wet Woodland; SW = Swale.

  • Source control: Permeable surfaces Description• permeable surface such as block pavers which allows water to drain through vertical holes or gaps between individual units• can also be concrete or recycled plastic cellular blocks with space for soil and vegetation in gaps.

  • She retired in 2006 from a bank, where she had worked for 25 years in an administrative capacity.

  • Permeable surfaces are not accepted on any sites11For pumping stations in a fenced compound, the whole area should be covered with hardstanding.


More Definitions of Permeable surfaces

Permeable surfaces means sand, gravel, and other penetrable deposits or materials on the ground which permit movement of materials, such as groundwater or contaminants, through the pore spaces, or active or abandoned wells which permit the movement of fluid to the groundwater. “Pervious surface ” means any surface material that allows stormwater to infiltrate into the ground. Examples include lawn, landscape, pasture, native vegetation areas, and permeable pavements.
Sample 1
Permeable surfaces means any part of a site that is grassed, planted in trees or shrubs or similar natural landscaping and is capable of being entirely permeated by absorbing rainwater. Permeable surface shall include (but is not limited to) grass, soil, planting or similar such natural landscaping and wooden decks with spacing between boards of 4mm or more, where water is allowed to drain through to a permeable surface below the deck, but shall not include pavers,
Sample 1
Permeable surfaces means any part of a site that is grassed, planted in trees or shrubs or similar natural landscaping and is capable of being entirely permeated by absorbing rainwater. Permeable surface shall include (but is not limited to) grass, soil, planting or similar such natural landscaping and wooden decks with spacing between boards of 4mm or more, where water is allowed to drain through to a permeable surface below the deck, but shall not include pavers, gobi- blocks, grasscrete, gravel, wooden decks or metalled driveways or hard- surfaced materials or other similar materials. It does not include impermeable surfaces or any area that:
Sample 1

Related to Permeable surfaces

  • impermeable surface means a surface or pavement constructed and maintained to a standard sufficient to prevent the transmission of liquids beyond the pavement surface, and should be read in conjunction with the term “sealed drainage system” (below).

  • Diatomaceous earth filtration means a process resulting in substantial particulate removal in which a precoat cake of diatomaceous earth filter media is deposited on a support membrane (septum), and while the water is filtered by passing through the cake on the septum, additional filter media known as body feed is continuously added to the feed water to maintain the permeability of the filter cake.

  • Surface waters means all waters of the state as defined in G.S. 143-212 except underground waters

  • Surface mining means mining by removing the overburden lying above the natural deposits and excavating directly from the natural deposits exposed, or by excavating directly from deposits lying exposed in their natural state and shall include dredge operations conducted in or on natural waterways or artificially created waterways within the state.

  • Water Surface Elevation (WSE means the height, in relation to NAVD 1988, of floods of various magnitudes and frequencies in the floodplains of riverine areas.

  • Surface water means all water which is open to the atmosphere and subject to surface runoff.

  • Membrane filtration means a pressure or vacuum driven separation process in which particulate matter larger than one micrometer is rejected by an engineered barrier, primarily through a size exclusion mechanism, and which has a measurable removal efficiency of a target organism that can be verified through the application of a direct integrity test. This definition includes the common membrane technologies of microfiltration, ultrafiltration, nanofiltration, and reverse osmosis.

  • Topsoil means a varying depth (up to 300 mm) of the soil profile irrespective of the fertility, appearance, structure, agricultural potential, fertility and composition of the soil;

  • water meter means any apparatus for measuring or showing the volume of water supplied to, or of effluent discharged from any premises;

  • Contaminated soil means soil that meets all of the following criteria:

  • Irrigation means application of water to land areas to supply the water needs of

  • Sediment means solid material, mineral or organic, that is in suspension, is being transported, or has been moved from its site of origin by air, water or gravity as a product of erosion.

  • Pervious surface means an area that releases as runoff a small portion of the precipitation that falls on it. Lawns, gardens, parks, forests or other similar vegetated areas are examples of surfaces that typically are pervious.

  • Covered Species means the species for which the Bank has been established and for which Credits have been allocated as set forth in Exhibit F-1.

  • Aboveground storage tank shall have the meaning ascribed to such term in Section 6901 et seq., as amended, of RCRA, or any applicable state or local statute, law, ordinance, code, rule, regulation, order ruling, or decree governing aboveground storage tanks.

  • Contaminated site means a site where there is a confirmed presence, caused by man, of hazardous substances of such a level that they pose a significant risk to human health or the environment taking into account current and approved future use of the land;

  • Underground storage tank or “UST” means any one or combination of tanks (including underground pipes connected thereto) that is used to contain an accumulation of regulated substances, and the volume of which (including the volume of underground pipes connected thereto) is 10 percent or more beneath the surface of the ground. This term does not include any:

  • Invasive plant species means species of plants not historically found in California that spread outside cultivated areas and can damage environmental or economic resources. Invasive species may be regulated by county agricultural agencies as noxious species. Lists of invasive plants are maintained at the California Invasive Plant Inventory and USDA invasive and noxious weeds database.

  • Underground storage tank system means an underground storage tank and the connected underground piping, underground ancillary equipment, and containment system, if any.