NCC 2019 Volume One Amendment 1
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Part J8 Facilities for energy monitoring

Part J8 Facilities for energy monitoring

J8.0 Deemed-to-Satisfy Provisions

(a)

Where a Deemed-to-Satisfy Solution is proposed, Performance RequirementJP1 is satisfied by complying with—

(i)

J0.1 to J0.5; and

(ii)

J1.1 to J1.6; and

(iii)

J3.1 to J3.7; and

(iv)

J5.1 to J5.12; and

(v)

J6.1 to J6.8; and

(vi)

J7.1 to J7.4; and

(vii)

J8.1 to J8.3.

(b)

Where a Performance Solution is proposed, the relevant Performance Requirements must be determined in accordance with A2.2(3) and A2.4(3) as applicable.

Intent

To clarify that JP1 will be satisfied if compliance is achieved with Parts J1 to J8.

See comments for Deemed-to-Satisfy Provisions of J0.0 as appropriate.

The emphasis for Part J8 is on being able to maintain the required level of performance. To achieve this, consideration needs to be given to ensuring that there are adequate provisions made in the design for monitoring facilities so that excessive energy use can be detected and rectified .

J8.1 Application of Part

The Deemed-to-Satisfy Provisions of this Part do not apply—

(a)

within a sole-occupancy unit of a Class 2 building or a Class 4 part of a building; or

(b)

to a Class 8 electricity network substation.

Intent

To clarify that the Deemed-to-Satisfy Provisions of Part J8 do not apply to a sole-occupancy unit of a Class 2 building, a Class 4 part of a building or a Class 8 electricity network substation.

Part J8.0 does not apply to private dwellings, i.e. Class 1 buildings, therefore it is also not applied to the sole-occupancy units of Class 2 buildings, or Class 4 parts of buildings.

The access for maintenance and power monitoring procedures for Class 8 electricity network substations have inherent and critical characteristics that either supercede or vary from the procedures adopted and applied to other buildings. Therefore, Part J8 does not apply.

J8.2 *  *  *  *  *

Blank clause

This clause has deliberately been left blank.

The content of J8.2, which existed in BCA 2014, has been removed. The number J8.2 has been retained without text so as not to change the numbering of the current BCA from that of BCA 2014.

J8.3 Facilities for energy monitoring

(a)

A building or sole-occupancy unit with a floor area of more than 500 m2 must have an energy meter configured to record the time-of-use consumption of gas and electricity.

(b)

A building with a floor area of more than 2 500 m2 must have energy meters configured to enable individual time-of-use energy consumption data recording, in accordance with (c), of the energy consumption of—

(i)

air-conditioning plant including, where appropriate, heating plant, cooling plant and air handling fans; and

(ii)

artificial lighting; and

(iii)

appliance power; and

(iv)

central hot water supply; and

(v)

internal transport devices including lifts, escalators and moving walkways where there is more than one serving the building; and

(vi)

other ancillary plant.

(c)

Energy meters required by (b) must be interlinked by a communication system that collates the time-of-use energy consumption data to a single interface monitoring system where it can be stored, analysed and reviewed.

(d)

The provisions of (b) do not apply to a Class 2 building with a floor area of more than 2 500 m2 where the total area of the common areas is less than 500 m2.

Intent

To ensure that the building has the facilities to monitor its energy usage.

In order for maintenance personnel to ensure that active energy efficiency items and systems continue to operate at their required level of performance, they need to know the energy usage of the building over time and also the usage of individual services in a large building. To facilitate this outcome, the data collected by energy meters is to be made readily accessible to personnel without requiring the physical inspection of meters. The data must be transmitted to a communications platform (e.g. a computer) in a format (e.g. a .csv file) that allows for its analysis by maintenance personnel.