Weights and Measures Regulations (C.R.C., c. 1605)

Regulations are current to 2013-05-26 and last amended on 2012-05-01. Previous Versions

319. The piping on a vehicle tank restricted for use with bunker oil may be concealed by insulation or by parts of the tank to prevent the bunker oil from congealing.

320. Individual compartments on a vehicle tank restricted for use with bunker oil may be connected to a common discharge manifold without any automatic means of preventing flow between the compartments.

Performance

[SOR/2005-297, s. 42(F)]

321. A tank shall be tested and calibrated with a liquid that has a thermal expansion coefficient, volatility and viscosity not greater than that of domestic furnace fuel oil and that will not have a corrosive effect on the tank.

322. A tank shall be tested and calibrated when all necessary supports have been installed and it is resting in the position in which it is designed to be used.

323. A tank, other than a vehicle tank, shall be calibrated to a valve immediately adjacent to the outlet connection on the tank.

324. Unless otherwise authorized by specifications established by the Minister, a tank that has a gauge glass or a slip type gauge shall not be calibrated for a delivery of less than 50 per cent of the tank capacity.

  • 325. (1) Subject to subsection (5), when a tank is tested for acceptance limits of error using a known test volume determined in relation to a relevant local standard and set out in Column I of an item of a table to subsection (3) or (4), the tank is within the acceptance limits of error in respect of that known test volume if the actual volume of the tank

    • (a) does not exceed the test volume by an amount in excess of the amount set out in Column II of that item; and

    • (b) is not less than the test volume by an amount in excess of the amount set out in Column II of that item.

  • (2) Subject to subsection (5), when a tank is tested for in-service limits of error using a known test volume determined in relation to a relevant local standard and set out in Column I of an item of a table to subsection (3) or (4), the tank is within the in-service limits of error in respect of that known test volume if the actual volume of the tank

    • (a) does not exceed the test volume by an amount in excess of the amount set out in Column III of that item; and

    • (b) is not less than the test volume by an amount in excess of the amount set out in Column III of that item.

  • (3) Subject to subsection (5), the limits of error set out in the following table apply to all measuring tanks whether fixed, portable or vehicle mounted, that are calibrated in terms of metric units of volume:

    TABLE

    ItemColumn IColumn IIColumn III
    Known Test VolumeAcceptance Limits of ErrorIn-Service Limits of Error
    LitresMillilitresMillilitres
    1.  50185185
    2.100300300
    3.200500500
    4.Over 200¼% of known test volume¼% of known test volume

  • (4) Subject to subsection (5), the limits of error set out in the following table apply to all measuring tanks whether fixed, portable or vehicle mounted, that are calibrated in terms of Canadian units of volume:

    TABLE

    ItemColumn IColumn IIColumn III
    Known Test VolumeAcceptance Limits of ErrorIn-Service Limits of Error
    GallonsFluid OuncesFluid Ounces
    1.1066
    2.201010
    3.502020
    4.Over 50¼% of known test volume¼% of known test volume

  • (5) The limits of error for a tank that is designed for use in measuring liquefied gases are twice the applicable limits of error set out in the table to subsection (3) or (4).

  • (6) The limits of error set out in the tables to subsections (3) and (4) refer to the total inaccuracy of measurement by the tank, including errors due to entrapment of air or liquid by parts of the tank or its associated piping, equipment or accessories during filling or emptying.

  • SOR/89-570, s. 6(F);
  • SOR/94-691, s. 4(E).