Vegetated roof definition

Vegetated roof means a system of soil and vegetation that partially or completely covers the roof of a building or man-made structure. Vegetated roofs are also known as living roofs, green roofs or eco-roofs.
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Vegetated roof means an assembly of interacting components designed to waterproof and normally insulate a building's top surface that includes, by design, vegetation and related landscape elements.
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Vegetated roof means a roof designed and constructed to support, and that does support, living vegetation with at least three inches of engineered soil.
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Examples of Vegetated roof in a sentence

  • Growth Media: Vegetated roof assembly supplier’s lightweight, custom manufactured soil mixture designed for project location and plant pallet.

  • Vegetated roof designs should comply with the Virginia Uniform Statewide Building Code with respect to roof drains and emergency overflow devices.

  • Vegetated roof surfaces should not be located near rooftop electrical or HVAC systems.

  • Growing Medium: Vegetated roof assembly manufacturer's lightweight, manufactured soil mixture designed for plants indicated on Drawings.

  • Vegetated roof covers, also referred to as “green roofs”, are layers of vegetation installed on building rooftops.

  • B.4.c.3. Vegetated roof contributes to water and energy conservation efforts.

  • Vegetated roof covers should be kept on slopes of 8 percent or less, if they are being used to mitigate water quality or quantity.

  • Vegetated roof areas should be sized to capture a portion of the Treatment Volume (Tv).

  • In many instances a supplemental root-fast layer is installed to protect the primary waterproofing membrane from plant roots. Vegetated roof covers are an “at source” measure for reducing the rate and volume of runoff released during rainfall events.

  • Vegetated roof covers that are 10 inches, or deeper, are referred to as ‘intensive’ vegetated roof covers.


More Definitions of Vegetated roof

Vegetated roof. (“green roof” or “eco-roof”) means a thin layer of engineered soil and vegetation constructed on top of a conventional flat or sloped roof, consisting of four basic components: a waterproof membrane, a drainage layer, a light-weight growth medium, and vegetation.
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Vegetated roof means thin layers of engineered soil and vegetation constructed on top of a conventional flat or sloped roof. All vegetated roofs consist of four basic components: a waterproof membrane, a drainage layer, a light-weight growth medium, and vegetation.
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Related to Vegetated roof

  • Vegetation means trees, shrubs, nursery stock and other vegetation and includes the limbs or growth of any Vegetation.

  • Underground tank means a device meeting the definition of tank whose entire surface area is totally below the surface of and covered by the ground.

  • Mine drainage means any drainage, and any water pumped or siphoned, from an active mining area or a post-mining area. The abbreviation “ml/l” means milliliters per liter.

  • Waterproofer means a product designed and labeled exclusively to repel water from fabric or leather substrates. Waterproofer does not include fabric protectants.

  • 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.

  • Regulated impervious surface means any of the following, alone or in combination:

  • Water surface elevation means the height, in relation to the National Geodetic Vertical Datum (NGVD) of 1929, the North American Vertical Datum (NAVD) of 1988, or other datum, where specified, of floods of various magnitudes and frequencies in the floodplains of riverine areas.

  • 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.

  • Impervious surface means a surface that has been covered with a layer of material so that it is highly resistant to infiltration by water.

  • Slug loading means any pollutant, including oxygen demanding pollutants, released in a discharge at a flow rate and/or pollutant concentration as to cause interference in the POTW.

  • 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;

  • Underground area means an underground room, such as a basement, cellar, shaft or vault, providing enough space for physical inspection of the exterior of the tank situated on or above the surface of the floor.

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

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

  • Harvested Material means the grain or fodder from crops of the Licensed Varieties grown from Seed or Retained Seed.

  • Shrub means and refer to a woody plant, smaller than a tree, consisting of several small stems from the ground or small branches near the ground.

  • Groundwater means all water, which is below the surface of the ground in the saturation zone and in direct contact with the ground or subsoil.

  • Underground facility means any item which shall be buried or placed below ground for use in connection with the storage or conveyance of water, sewage, electronic, telephone or telegraphic communications, electric energy, oil, gas or other substances, and shall include, but not be limited to pipes, sewers, conduits, cables, valves, lines, wires, manholes, attachments and those portions of poles and their attachments below ground.

  • Drainage area means a geographic area within which stormwater, sediments, or dissolved materials drain to a particular receiving waterbody or to a particular point along a receiving waterbody.

  • PAD means a Preauthorized Debit.

  • 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.

  • Stockpile means material, including, but not limited to, surface overburden, rock, or lean ore, that in the process of mining and beneficiation or treatment has been removed from the earth and stored on the surface. Stockpile does not include materials that are being treated in the production of metallic products and the metallic product that has been produced by that operation.

  • 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 injection means the subsurface emplacement of fluids through a bored, drilled or driven well; or through a dug well, where the depth of the dug well is greater than the largest surface dimension. (See also “injection well”.)

  • Septic tank means a watertight, accessible, covered receptacle designed and constructed to receive sewage from a building sewer, settle solids from the liquid, digest organic matter, store digested solids through a period of retention, and allow the clarified liquids to discharge to other treatment units for final disposal.

  • Underground storage means storage of gas in a subsurface stratum or formation of the earth.