Zone 0 definition

Zone 0 means ignitable concentrations of flammable gases or vapours which are present continuously or for long periods of time;

Examples of Zone 0 in a sentence

  • A location that is adjacent to a Class I, Zone 0 location from which ignitable concentrations of vapors could be communicated, unless communication is prevented by adequate positive pressure ventilation from a source of clean air and effective safeguards against ventilation failure are provided.

  • The light source should comply with the International Dark Sky Association standards for Lighting Zone 0 and Lighting Zone 1, and be designed to regulate light spillage onto neighboring properties resulting from backlight, uplight, or glare (BUG).

  • Fuel is retained on transportation to storage at Zone 0 fuel, and on transportation from storage based on the zone of delivery fuel rate minus the zone 0 fuel rate, but not less than 0%.

  • Hazardous areas are divided into zones as follows; Zone 0 : an area in which an explosive gas-air mixture is continuously present or present for long periods.

  • Deliveries to the Storage PIN are considered a Zone 0 delivery and receipts from the Storage PIN are considered a Zone 1 receipt.

  • Intrinsic safety—This protection technique is permitted for equipment in the Class I, Zone 0 or Zone 1 locations for which it is approved.

  • WSR 03-09-111, § 296-46B-501, filed 4/22/03, effective 5/23/03.] WAC 296-46B-505 Class I, Zone 0, 1, and 2 locations.

  • Class I, Zone 0 or Zone 1 locations may not abut Class I, Division 1 or Division 2 locations.

  • However, although the new text was added correctly, the text it replaced “ANSI/ISA-TR12.24.01-1988 (IEC 60079-10 Mod), Recommended Practice for Classification of Locations for Electrical Installations Classified as Class I, Zone 0, Zone 1, or Zone 2” should have been shown as strike-thru text and is not.

  • However, at low ambient temperatures, flammable concentrations of vapors may not exist in a location classified Class I, Zone 0, 1, or 2 at normal ambient temperature.

Related to Zone 0

  • Zone 2 means British Columbia and Alberta Receipt Points and Liquids Receipt Points at or upstream of the Blueberry Hill Compressor Station. ARTICLE 2 QUALITY‌ 2.1 Subject to Articles 2.4, 2.5, 2.6, 2.7 and 21.1 hereof, Gas tendered to Transporter at Receipt Points shall conform to the following Quality Specifications:‌

  • Zone 1 means Alberta Receipt Points and Liquids Receipt Points downstream of the Blueberry Hill Compressor Station.

  • Impact surface means an interior or exterior surface that is subject to damage by repeated sudden force such as certain parts of door frames.

  • km means kilometer;

  • Zone means a transit operations finance zone established under this section.

  • Channel migration zone (CMZ) means the area where the active channel of a stream is prone to move and this results in a potential near-term loss of riparian function and associated habitat adjacent to the stream, except as modified by a permanent levee or dike. For this purpose, near-term means the time scale required to grow a mature forest. (See board manual section 2 for descriptions and illustrations of CMZs and delineation guidelines.)

  • Buffer Zone means an area designated to be left along roads or other features in which there will be no cutting.

  • Carport - means a roofed structure used for storing or parking of not more than two private vehicles which has not less than 40% of its total perimeter open and unobstructed;

  • Floodplain Development Permit means any type of permit that is required in conformance with the provisions of this ordinance, prior to the commencement of any development activity.

  • 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.

  • Floodplain or flood-prone area means any land area susceptible to being inundated by water from any source (see definition of “flood”).

  • MDF means a Qwest distribution frame (e.g., COSMIC™ frame) used to connect Qwest cable pairs and line and trunk equipment terminals on a Qwest switching system. "Maintenance and Repair" involves the exchange of information between Carriers where one initiates a request for maintenance or repair of existing products and services or Unbundled Network Elements or combinations thereof from the other with attendant acknowledgments and status reports in order to ensure proper operation and functionality of facilities. "Maintenance of Service charge" is a Miscellaneous Charge that relates to trouble isolation work performed by Qwest. Basic Maintenance of Service charges apply when the Qwest technician performs work during standard business hours. Overtime Maintenance of Service charges apply when the Qwest technician performs work on a business day, but outside standard business hours, or on a Saturday. Premium Maintenance of Service charges apply when the Qwest technician performs work on either a Sunday or Qwest recognized holiday.

  • MGD means million gallons per day. "mg/l" means milligrams per liter. "ug/l" means micrograms per liter. "ng/l" means nanograms per liter. "S.U." means standard pH unit. "kg/day" means kilograms per day.

  • SOQ means Statement of Qualifications.

  • Safety zone means the area officially set apart within a roadway for the exclusive use of

  • Lateral means a pipe, chamber or other conveyance used to carry and distribute effluent.

  • Waterway means any body of water.

  • Pistol means any firearm with a barrel less than sixteen inches in length, or is designed to be held and fired by the use of a single hand.

  • Natural area means an area of the rural or non-urban environment which is in an unspoilt natural state or is of high scenic value, and includes, but is not limited to, national parks, game reserves, nature reserves, marine reserves, wilderness areas, areas of extensive agriculture and scenic areas;