Subsurface definition

Subsurface means below the surface of the earth.
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Subsurface means under soil or mulch.
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Subsurface means below the natural or altered ground surface elevation.
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Examples of Subsurface in a sentence

  • Subsurface or latent physical conditions at the site differing from those indicated.

  • Subsurface or latent physical conditions at the site differing from those indicated by information about the site made available to bidders prior to the deadline for submitting bids.

  • Subsurface investigation data indicated on the drawings or incorporated in the specifications are intended by the Owner as a guide to acquaint the bidder with conditions that may be encountered during the course of Work.

  • When a recreational vehicle, tent or similar shelter is placed on-site for more than one hundred and twenty (120) days per year, all requirements for residential structures shall be met, including the installation of a subsurface sewage disposal system in compliance with the State of Maine Subsurface Wastewater Disposal Rules unless served by public sewage facilities.

  • In addition to the requirements above, individual subsurface sewage disposal systems or equivalent disposal units shall satisfy the Standards for Individual Subsurface Sewage Disposal Systems (N.J.A.C. 7:9A) without extraordinary measures, including replacement of disposal field soil with permeable material or mounding of a disposal field to achieve the required depth to ground water or confining layer.

  • The design of septic systems shall be in compliance with the Standards for Individual Subsurface Sewage Disposal Systems at N.J.A.C. 7:9A and any applicable Board of Health Ordinance and shall be subject to approval of the Board of Health.

  • Subsurface injection does not include the use of methods or technology reflective of combination surface/shallow soil incorporation.

  • Subsurface injection does not include methods or technology reflective of combination surface/shallow soil incorporation.

  • Subsurface or latent physical conditions at the site which are different from those indicated or expected.

  • Check and verify the horizontal and vertical location (coordinates and elevation) of all utility lines that may exist within the limits of new work, regardless of whether such utilities are indicated or not, by use of a Subsurface Utility Engineering company.


More Definitions of Subsurface

Subsurface means the part of the earth's crust below the soil layer, or, in the event of its absence, below the land surface or the bottom of seas, lakes, rivers and other water bodies, stretching to the depths accessible for conducting Subsurface Use Operations, taking into account the achievements of science and technology.
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Subsurface means any point or matter or substance below the present-day natural or made surface;
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Related to Subsurface

  • 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.

  • Soil means all unconsolidated mineral and organic material of any origin.

  • Subsurface tracer study means the release of a substance tagged with radioactive material for the purpose of tracing the movement or position of the tagged substance in the well-bore or adjacent formation.

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

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

  • Drainage means the removal of surface water or groundwater

  • 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.

  • 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.

  • Area of shallow flooding means a designated AO or AH Zone on a community's Flood Insurance Rate Map (FIRM) with one percent or greater annual chance of flooding to an average depth of one to three feet where a clearly defined channel does not exist, where the path of flooding is unpredictable and indeterminate; and where velocity flow may be evident. Such flooding is characterized by ponding or sheet flow.

  • 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.

  • Contamination means an impairment of the quality of the waters of the state by waste to a degree which creates a hazard to the public health through poisoning or through the spread of disease. “Contamination” includes any equivalent effect resulting from the disposal of waste, whether or not waters of the state are affected.

  • Wildlife means all species of the animal kingdom whose

  • 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;

  • Geologically hazardous areas means areas that because of their susceptibility to erosion, sliding, earthquake, or other geological events, are not suited to the siting of commercial, residential, or industrial development consistent with public health or safety concerns.

  • Water means the chemical element defined as H2O in any of its three natural states, liquid, solid and gaseous.

  • 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.

  • Wildlife habitat means a surface water of the state used by plants and animals not considered as pathogens, vectors for pathogens or intermediate hosts for pathogens for humans or domesticated livestock and plants.

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

  • Excavation means the mechanical removal of earth material.

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

  • Wetlands means those areas that are inundated or saturated by surface or groundwater at a frequency and duration sufficient to support, and that under normal circumstances do support, a prevalence of vegetation typically adapted for life in saturated soil conditions. Wetlands generally include swamps, marshes, bogs, and similar areas.

  • 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.

  • Sedimentation means a process for removal of solids before filtration by gravity or separation.

  • Underground mining means all methods of mining other than surface mining.

  • Mold means mold, fungus, microbial contamination or pathogenic organisms.

  • Flooding means a volume of water that is too great to be confined within the banks or walls of the stream, water body or conveyance system and that overflows onto adjacent lands, thereby causing or threatening damage.