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Contents (2018 - 480)
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Water Management (General) Regulation 2018
Current version for 7 February 2020 to date (accessed 10 April 2020 at 06:29)
Schedule 8
Schedule 8 Metering equipment
(Clause 235)
1   Interpretation
(1)  In this Schedule—
approved data logging and telemetry specifications means the data logging and telemetry specifications approved by the Minister under clause 10, as in force from time to time.
(2)  Words and expressions used in this Schedule have the same meaning as in Part 10.
2   Standards for installation, re-installation and maintenance
(1)  Metering equipment must be installed, or re-installed, in accordance with AS 4747 by a duly qualified person.
(2)  Metering equipment must be installed or re-installed so that it measures the flow of all water taken through the work.
(3)  Metering equipment installed in connection with an open channel on or after 1 April 2019 must be of a design that is certified by a duly qualified person as complying with the requirements of AS 4747.
(4)  Metering equipment must be maintained in accordance with the maintenance specifications approved by the Minister, as in force from time to time, and published in the Gazette.
3   Pattern approval
(1)  Subject to clause 9, the meter must be pattern approved under the National Measurement Regulations 1999 of the Commonwealth in accordance with the following standards—
(a)  NMI M 10 Meters Intended for the Metering of Water in Full Flowing Pipes,
(b)  NMI M 11 Meters Intended for the Metering of Water in Open Channels and Partially Filled Pipes.
(2)  This clause does not apply to a meter installed in connection with an open channel.
4   Data loggers
(1)  Metering equipment must have a data logging capacity that enables it to collect, record and store the water take data at intervals of not more than 1 hour, including the time and date of each interval and the period or periods for which water was taken.
(2)  The metering equipment must retain the water take data for a period of not less than 5 years.
(3)  The data logging capacity of metering equipment must comply with the approved data logging and telemetry specifications.
(4)  Without limiting the matters that may be included in the approved data logging and telemetry specifications, the specifications may require metering equipment to collect, record and store the following data electronically—
(a)  data relating to the operation of the metering equipment, including data relating to power inputs and whether a work is turned on or off,
(b)  data relating to malfunctions or other events that indicate that the accuracy or other operation of metering equipment may be affected.
(5)  The data logging capacity for metering equipment may be provided by a device that is used in respect of more than one device for measuring the flow of water.
(6)  In this clause—
water take data means the flow rate and cumulative volume of water taken.
5   Seals and security
(1)  Metering equipment must have tamper evident seals, locks, controls or other devices sufficient to limit access to, and prevent tampering with, the equipment.
(2)  A tamper evident seal must—
(a)  be capable of clearly showing whether the metering equipment has been interfered with, and
(b)  not prevent the reading of metering equipment or affect the operation of the telemetry system for the equipment, and
(c)  comply with AS 4747, if applicable, and
(d)  be supplied by a body approved by the Minister by order published on the Department’s website, and
(e)  be installed, or broken, only by a duly qualified person, an authorised officer or a member of staff of Water NSW.
(3)  Metering equipment must have a means of identifying whether interference has occurred with data readings or other electronic functions of the equipment (including telemetry).
6   Telemetry
(1)  This clause commences on 1 December 2020.
(2)  This clause does not apply to metering equipment used in conjunction with the following works—
(a)  a pump used for surface water to which an authority that authorises the use of a pump of not more than 199 mm applies,
(b)  a work that is authorised by an authority to take water from a groundwater source.
(3)  Metering equipment must have a telemetry capacity to transmit data relating to water usage that complies with the approved data logging and telemetry specifications.
(4)  The telemetry capacity for metering equipment may be provided by a device that is used in respect of more than one device for measuring the flow of water.
(5)  Without limiting the matters that may be included in the approved data logging and telemetry specifications, the specifications may deal with the following—
(a)  the person to whom the data is to be transmitted,
(b)  the data that is required to be transmitted,
(c)  the method by which the data is to be transmitted,
(d)  the frequency with which data is to be transmitted,
(e)  controls relating to limiting access to, and preventing tampering with, telemetry equipment.
7   Validation of metering equipment
(1)  Metering equipment (other than metering equipment installed in connection with an open channel) must be validated in accordance with AS 4747 by a duly qualified person on installation, at intervals of not more than 5 years and in any other circumstances in which metering equipment is required by AS 4747 to be validated.
(2)  Metering equipment installed in connection with an open channel must be validated in accordance with AS 4747 by a duly qualified person on installation, at intervals of not more than 12 months and in any other circumstances in which metering equipment is required by AS 4747 to be validated.
(3)  Metering equipment must be modified or replaced so as to meet the requirements for compliance specified with respect to AS 4747 by a duly qualified person in a certificate following a validation.
(4)  Metering equipment that has been modified or replaced in accordance with this clause must be validated by a duly qualified person.
8   Transitional arrangements for validation of existing metering equipment
(1)  This clause applies to metering equipment that was installed in connection with a work before 1 April 2019 if the equipment was—
(a)  validated by a duly qualified person in accordance with AS 4747 within 5 years before the application day for the equipment (in the case of metering equipment that is not installed in connection with an open channel) or within 12 months before the application day for the equipment (in the case of metering equipment that is installed in connection with an open channel) (the existing validation), and
(b)  found by the duly qualified person to comply with the matters required to be checked on validation.
(2)  For the purposes of the application of clause 7 to metering equipment that is—
(a)  not metering equipment installed in connection with an open channel, the first interval of 5 years for validation after the application day is taken to end 5 years after the existing validation, or
(b)  metering equipment installed in connection with an open channel, the first interval of 12 months for validation after the application day is taken to end 12 months after the existing validation.
(3)  A report must be given to the Minister by a person who intends to rely on this clause setting out the steps taken in relation to the metering equipment.
(4)  The report must be—
(a)  given before the application day for the mandatory metering condition for the metering equipment, and
(b)  given in the approved form and manner, and
(c)  accompanied by any documents given by the duly qualified person to the person reporting and relating to the checks carried out by the duly qualified person.
9   Transitional arrangements for existing metering equipment that is not pattern approved
(1)  This clause applies to metering equipment that was installed in connection with a work before 1 April 2019 and was not pattern approved.
(2)  Metering equipment does not need to be pattern approved (as referred to in clause 3) if—
(a)  the metering equipment is metering equipment to which clause 8(1) applies, and
(b)  the holder of the authority concerned provides written certification to the Minister from the manufacturer that the maximum permissible error of the metering equipment did not exceed plus or minus 2.5% after manufacture.
(3)  Metering equipment does not need to be pattern approved (as referred to in clause 3) or validated (as referred to in clause 7) if—
(a)  within 5 years before the application day for the equipment (in the case of metering equipment that is not installed in connection with an open channel) or within 12 months before the application day for the equipment (in the case of metering equipment that is installed in connection with an open channel) the metering equipment is—
(i)  checked for accuracy by a duly qualified person, and
(ii)  checked again by a duly qualified person after that check at intervals of not more than 5 years (in the case of metering equipment that is not installed in connection with an open channel) or 12 months (in the case of metering equipment that is installed in connection with an open channel), and
(a1)  after any subsequent maintenance work on the metering equipment is carried out that affects its metrological performance, the metering equipment is checked for accuracy by a duly qualified person, and
(b)  those checks determine that the maximum permissible error of the metering equipment does not exceed plus or minus 5% in the field.
(3A)  For the purposes of the application of clause 7 to metering equipment referred to in subclause (3) that is—
(a)  not metering equipment installed in connection with an open channel, the first interval of 5 years for validation after the application day is taken to end 5 years after the existing validation, or
(b)  metering equipment installed in connection with an open channel, the first interval of 12 months for validation after the application day is taken to end 12 months after the existing validation.
(4)  A record must be kept of the way in which metering equipment is checked under subclause (3).
(5)  A report must be given to the Minister by a person who intends to rely on this clause setting out the steps taken in relation to the metering equipment.
(6)  The report must be—
(a)  given to the Minister before the application day for the mandatory metering condition that applies to the metering equipment and as soon as practicable after each subsequent occasion on which a check is carried out under this clause, and
(b)  given in the approved form and manner, and
(c)  accompanied by any documents given by the duly qualified person to the person reporting and relating to the checks carried out by the duly qualified person.
(7)  In this clause, metrological performance has the same meaning as it has in AS 4747.
10   Approved data logging and telemetry specifications
(1)  The Minister may, by notice published in the Gazette, approve data logging and telemetry specifications for the purposes of this Schedule.
(2)  The Minister may, by notice published in the Gazette, amend or revoke the data logging and telemetry specifications.