NCC 2022 Volume One - Building Code of Australia Class 2 to 9 buildings
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J7

Part J7 Artificial lighting and power

Part J7 Artificial lighting and power

NSW J7D1 Deemed-to-Satisfy Provisions2019: J6.0

Delete subclause J7D1(1) and insert NSW J7D1(1) as follows:

(1) Where a Deemed-to-Satisfy Solution is proposed, Performance Requirements NSW J1P1 to NSW J1P7 are satisfied by complying with—

  1. NSW J2D2; and
  1. NSW J3D2 to J3D10; and
  2. NSW J4D2 to J4D7; and
  3. NSW J5D2 to J5D8; and
  4. NSW J6D2 to J6D13; and
  5. NSW J7D2 to J7D9; and
  6. J8D2 to NSW J8D4; and
  7. J9D2 to J9D5.

NSW J7D2 Application of Part2019: J6.1, NSW J(A)4.1

Delete clause J7D2 and insert NSW J7D2 as follows:

(1) The Deemed-to-Satisfy Provisions of this Part do not apply to a Class 2 building or a Class 4 part of a building.

(2) J7D3, J7D4 and J7D6(1)(b) do not apply to a Class 8 electricity network substation.

NSW J7D3 Artificial lighting2019: J6.2

Delete subclause J7D3(1) and insert NSW J7D3(1) as follows:

(1) This subclause does not apply in NSW.

NSW J7D3 Artificial lighting2019: J6.2

Delete subclause J7D3(2) and insert NSW J7D3(2) as follows:

(2) In a Class 3 or Class 5 to 9 building—

  1. for artificial lighting, the aggregate design illumination power load must not exceed the sum of the allowances obtained by multiplying the area of each space by the maximum illumination power density in Table J7D3a; and
  2. the aggregate design illumination power load in (a) is the sum of the design illumination power loads in each of the spaces served; and
  3. where there are multiple lighting systems serving the same space, the design illumination power load for (b) is—
    1. the total illumination power load of all systems; or
    2. where a control system permits only one system to operate at a time based on the highest illumination power load; or determined by the formula—
      H×T/2+P×(100−T/2/100MathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaWaamWaaeaaca WGibGaey41aqRaamivaiaac+cacaaIYaGaey4kaSIaamiuaiabgEna 0kaacIcacaaIXaGaaGimaiaaicdacqGHsislcaWGubGaai4laiaaik daaiaawUfacaGLDbaacaGGVaGaaGymaiaaicdacaaIWaaaaa@49D2@
  4. In the formula at (c)(ii)—
    1. HMathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamisaaaa@36C1@
      = the highest illumination power load; and
    2. TMathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamivaaaa@36CD@
      = the time for which the maximum illumination power load will occur, expressed as a percentage; and
    3. PMathType@MTEF@5@5@+= feaahqart1ev3aqatCvAUfeBSjuyZL2yd9gzLbvyNv2CaerbuLwBLn hiov2DGi1BTfMBaeXatLxBI9gBaerbd9wDYLwzYbItLDharqqtubsr 4rNCHbGeaGqiVu0Je9sqqrpepC0xbbL8F4rqqrFfpeea0xe9Lq=Jc9 vqaqpepm0xbba9pwe9Q8fs0=yqaqpepae9pg0FirpepeKkFr0xfr=x fr=xb9adbaqaaeGaciGaaiaabeqaamaabaabaaGcbaGaamiuaaaa@36C9@
      = the predominant illumination power load.

NSW J7D4 Interior artificial lighting and power control2019: J6.3

Delete subclause J7D4(4) and insert NSW J7D4(4) as follows:

(4) 95% of the light fittings in a building or storey of a building, other than a Class 3 building of more than 250 m2 must be controlled by—

  1. a time switch in accordance with Specification 40; or
  2. an occupant sensing device such as—
    1. a security key card reader that registers a person entering and leaving the building; or
    2. a motion detector in accordance with Specification 40.