Horizontal datum definition

Horizontal datum means either a fixed benchmark or a site-specific control point that establish location for a point on a map consistent with a coordinate system. The North American Datum of 1983 (NAD 83) is the official horizontal datum for the United States.

Examples of Horizontal datum in a sentence

  • Horizontal datum - Universal Transverse Mercator (UTM), NAD 83 meters, Zone 11 (for southern California) or Zone 10 (for central, San Francisco Bay, and northern California) is the preferred projection and datum.

  • Horizontal datum (See “Datum”) Hydrologic index stations referred to in this report are continuous-record gaging stations that have been selected as representative of streamflow patterns for their respective regions.

  • Horizontal datum used for the project shall be referenced to the NYS Plane Coordinate System, western zone (NAD 83, 86 Realization) and tied to the Rochester City Survey (RCS) monumentation.

  • Horizontal datum for all layers is NAD83(91); vertical datum for layers is NAVD88.

  • The Horizontal datum shall be based on NAD 83/91 Washington State Plane South Zone in U.S. Feet.

  • SPU staff will inform SPU GIS of missing or erroneous data.The horizontal and vertical datum of data associated with constructing a computer model must be consistent with the SPU GIS datum:• Horizontal datum: NAD_1983_HARN_StatePlane_Washington_North_FIPS_4601_Feet• Vertical datum:NAVD88-North American Vertical Datum of 1988 Hydraulic Conveyance System Model DataSPU compiles drainage and wastewater system infrastructure (hydraulic conveyance) data in its GIS system.

  • Horizontal datum will be NAD83/91 or NAD 83/2011 as appropriate for the site.

  • Horizontal datum shall be North American Datum of 1983 (NAD 83) and vertical datum shall be North American Vertical Datum of 1988 (NAVD 88).

  • In addition, the following information shall be noted:  Horizontal datum – tied into the Florida State Plan Coordinate System, NAD 1983/1999 Adjustment.

  • Horizontal datum shall be NAD ’83 and vertical datum shall be NAVD ’88.

Related to Horizontal datum

  • Horizontal well means a well bore drilled laterally at an angle of at least eighty (80) degrees to the vertical or with a horizontal projection exceeding one hundred (100) feet measured from the initial point of penetration into the productive formation through the terminus of the lateral in the same common source of supply.

  • Built-Up Area and/or “Covered Area” in relation to a Flat shall mean the floor area of that Flat including the area of balconies and terraces, if any attached thereto, and also the thickness of the walls (external or internal) and the columns and pillars therein Provided That if any wall, column or pillar be common between two Flats, then one-half of the area under such wall column or pillar shall be included in the built-up area of each such Flat.

  • Lot depth means the horizontal distance between the front and rear lot lines. If the front and rear lot lines are not parallel, lot depth means the length of a straight line joining the middle of the front lot line with the middle of the rear lot line. When there is no rear lot line, lot depth means the length of a straight line joining the middle of the front lot line with the apex of the triangle formed by the side lot lines.

  • Drilling unit means the area fixed for the drilling of one well by order or rule of any state or federal body having authority. If a Drilling Unit is not fixed by any such rule or order, a Drilling Unit shall be the drilling unit as established by the pattern of drilling in the Contract Area unless fixed by express agreement of the Drilling Parties.

  • Basal area means the effective surface area available to transmit the treated effluent from the filter media in a mound system into the in-situ receiving soils. The perimeter is measured at the interface of the imported fill material and in-situ soil. On sloping sites, only the area down-gradient from the up-slope edge of the distribution media may be included in this calculation.

  • Tight-fitting facepiece means a respiratory inlet covering that forms a complete seal with the face.

  • Demarcation Point The Demarcation Point shall have the meaning set forth in 47 Digital Subscriber Line Access Multiplexer (DSLAM): Equipment that links End User xDSL connections to a single packet switch, typically ATM or IP. Direct Trunked Transport (DTT): A DS1 or DS3 interoffice facility that connects the CenturyLink Serving Wire Center of the CLEC’s Local Interconnection Entrance Facility or Collocation to the terminating CenturyLink Tandem or End Office used exclusively for the transmission and routing of Telephone Exchange Service and Exchange Access.

  • Basement means any area of the building having its floor subgrade (below ground level) on all sides.

  • Diameter at Breast Height (DBH) means the diameter of a tree at 4 1/2 feet above the ground measured from the uphill side.

  • ILUA Area means the geographical area in relation to which the Framework ILUA applies, as specified in Schedule 2 of the Framework ILUA;

  • Acre-foot – means the amount of water necessary to cover one acre of land one foot deep, or 325,851 gallons of water.

  • Landing Gear means the installed main and nose landing gear, components and their associated actuators, side braces and parts.

  • Casing means a pipe or tubing of appropriate material, of varying diameter and weight, lowered into a borehole during or after drilling in order to support the sides of the hole and thus prevent the walls from caving, to prevent loss of drilling mud into porous ground, or to prevent water, gas, or other fluid from entering or leaving the hole.

  • Deep well means a well located and constructed in such a manner that there is a continuous layer of low permeability soil or rock at least 5 feet thick located at least 25 feet below the normal ground surface and above the aquifer from which water is to be drawn.

  • Open type traction battery means a type of battery requiring filling with liquid and generating hydrogen gas that is released to the atmosphere.

  • stratigraphic test well means a drilling effort, geologically directed, to obtain information pertaining to a specific geologic condition. Ordinarily, such wells are drilled without the intention of being completed for hydrocarbon production. They include wells for the purpose of core tests and all types of expendable holes related to hydrocarbon exploration. Stratigraphic test wells are classified as (i) "exploratory type" if not drilled into a proved property; or (ii) "development type", if drilled into a proved property. Development type stratigraphic wells are also referred to as "evaluation wells".

  • CONE Area means the areas listed in Tariff, Attachment DD, section 5.10(a)(iv)(A) and any LDAs established as CONE Areas pursuant to Tariff, Attachment DD, section 5.10(a)(iv)(B).

  • Storage area means any location, facility, or vehicle which is used to store, to transport, or to secure a radiographic exposure device, a storage container, or a sealed source when it is not in use and which is locked or has a physical barrier to prevent accidental exposure, tampering with, or unauthorized removal of the device, container, or source.

  • Landing area means that part of a movement area intended for the landing or take-off of aircraft;

  • Diameter means the diameter of the stem of a tree measured outside the bark at a specified point of measurement.

  • Motor-driven cycle means every motorcycle that has a gasoline engine that (i) displaces less than

  • Carpet Area means the net usable floor, area of an Flat/Apartment, excluding the area covered by the external walls, areas under services shafts, excluding balcony or verandah area and exclusive open terrace, but includes the area covered by the internal partition walls of the flat/apartment;

  • Class I area means a mandatory visibility protection area designated pursuant to section 169A of the federal Clean Air Act.

  • Loose-fitting facepiece means a respiratory inlet covering that is designed to form a partial seal with the face.

  • Timber Sale Area means the area or areas designated as such on Exhibit A and located on the ground by reference to legal subdivisions, monuments, natural land features, improvements, or sale boundary signs. Down Timber is defined as timber that is down as of the date of this contract, as determined by STATE.

  • Maximum residual disinfectant level or “MRDL” means a level of a disinfectant added for water treatment that may not be exceeded at the consumer’s tap without an unacceptable possibility of adverse health effects.