NCC 2022 Volume One - Building Code of Australia Class 2 to 9 buildings
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I4
NSW Part I4 Entertainment venues other than temporary structures and drive-in theatres
NSW Part I4 Entertainment venues other than temporary structures and drive-in theatres
Introduction to this Part
NSW Part I4 contains Deemed-to-Satisfy Provisions additional to those contained in Sections C, D, E, F and G for buildings containing or used as an entertainment venue other than temporary structures and drive-in theatres.
Deemed-to-Satisfy Provisions
NCC Blurbs
This Part applies to every entertainment venue as described in the Environmental Planning and Assessment Regulation 2021.
foyer space (excluding stairways and concession areas) must be provided on the basis of at least 0.25 m2 for each person that the auditorium accommodates.
If the foyer serves not more than 2 auditoriums, that foyer must be separated from any adjoining foyer by construction having an FRL of not less than 60/60/60.
If the foyer serves more than 2 auditoriums, a sprinkler system (other than a FPAA101D or FPAA101H system) complying with Specification 17 must be installed—
throughout each storey in the building below that storey.
NCC Title
Sprinkler systems for common foyers
NCC State
NSW
NCC SPTC Current
Sprinkler systems for common foyers
NCC ID
_9c0e81ca-0b86-40d0-8a30-1ca0c5bcc57b
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
NSW I4D6 to NSW I4D9 apply to a conventional stage, that is, a stage which is separated from the auditorium by a proscenium wall incorporating a proscenium opening.
NCC Title
Conventional stages: application
NCC State
NSW
NCC SPTC Current
Conventional stages: application
NCC ID
_637f6a4d-082c-40f9-8004-0946bd3221ba
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
If a room or area is not separated from the remainder of a conventional stage by construction having an FRL of not less than 60/60/60, the room or area is, for the purposes of this Part, to be taken to form part of the stage.
NCC Title
Conventional stages: extent of stage area
NCC State
NSW
NCC SPTC Current
Conventional stages: extent of stage area
NCC ID
_78250411-f29f-4242-904e-70a9a786730f
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
A stage which is more than 50 m2 but not more than 150 m2 in area must have 2 or more means of egress from the stage and backstage area provided otherwise than through the proscenium wall.
must have installed directly above the stage a suitable sprinkler system (other than a FPAA101D or FPAA101H system) complying with Specification 17; and
must have the proscenium opening protected by a safety curtain that complies with NSW I4D15 and NSW I4D16; and
must have a line of open drenchers or open sprinklers provided above the proscenium opening on the stage side and in such a position as to be able to discharge over the inside face of the safety curtain; and
must have 2 or more means of egress from the stage and backstage area provided otherwise than through the proscenium wall.
NCC Title
Conventional stages: large stages
NCC State
NSW
NCC SPTC Current
Conventional stages: large stages
NCC ID
_59313f49-8661-47a8-bf4a-86708a3c257b
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
A stage which is more than 50 m2 in area, and all areas below such a stage, must (with the exception of the proscenium opening) be separated from the backstage and the remainder of the building by construction having an FRL of not less than 60/60/60.
a fly gallery must be provided with at least 2 means of egress, one on each side of the stage; and
a grid or rigging loft must be provided with at least 2 means of egress; and
if exposed steel is used in the construction of a roof, fly or tie gallery, the roof, fly or tie gallery must be so designed that, in the event of its structural failure due to fire, the wall structure of the building will not be affected; and
structural steel supporting the stage tower must be enclosed by masonry or concrete and have an FRL of not less than 120/120/120.
(2) In addition to (1), in the case of a conventional stage, the following additional requirements apply:
The proscenium wall must—
have an FRL of not less than 120/120/120; and
have the proscenium opening protected by a rigid safety curtain in accordance with NSW I4D16.
The walls forming the stage area, and the area beneath the stage, must be constructed of masonry or concrete and have an FRL of not less than 120/120/120.
NCC Title
Flying scenery
NCC State
NSW
NCC SPTC Current
Flying scenery
NCC ID
_36124aae-e0c6-40f3-8b82-09681d91dd69
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
(1) A notice indicating the actual distributed and concentrated load for which the stage floor has been designed must be conspicuously and permanently displayed in a position adjacent to the stage floor.
(2) The notice must be in legible letters and figures—
be so fitted that, when it is closed, it forms an efficient smoke seal between the stage and the auditorium; and
be capable of withstanding a pressure differential of 0.5 kPa over its entire surface area; and
be run on steel guides located on each side of the proscenium opening; and
remain engaged in its guides if the guides, together with their fittings and attachments and that part of the curtain engaged in the guides, are subjected to a pressure differential of 1 kPa; and
be of sufficiently robust construction to withstand damage by scenery, stage properties and falling debris; and
be capable of closing the proscenium opening within 30 seconds, either by gravity slide or by motor assisted mechanisms; and
have manual controls, located on each side of the stage, for the closing of the curtains; and
have a notice displayed adjacent to the operating controls, in clear and legible letters and symbols of adequate size, indicating its use and operation; and
when operated, actuate a distinctive warning alarm audible to persons on the stage and must not be reliant for its operation solely on the primary electricity supply; and
have the words “Safety Curtain” exhibited on the curtain in clear and legible letters of adequate size to enable them to be read from all parts of the auditorium.
NCC Title
Safety curtains
NCC State
NSW
NCC SPTC Current
Safety curtains
NCC ID
_baee8254-c03b-43b4-aa0c-d117148f0b49
Building Classes
1a,1b,10b,10b,10c
NCC Blurbs
A rigid safety curtain required by NSW I4D13 must comply with the requirements of NSW I4D15 and it must—
be vertically hung from steel cables; and
be framed with structural steel that complies with AS 4100; and
be sheeted and finished on both sides with sheet steel or other non-combustible material of such gauge, and so fastened to its frame, as to ensure that its frame is capable of withstanding distortion arising from heat; and
when closed, overlap the proscenium opening by not less than 300 mm at each side and by not less than 600 mm at the top.
the front of each chair and the back of the chair in front; or
if a guardrail is provided in front of the chairs, between the front of each chair and the guardrail; and
have a distance of at least 950 mm between the back of the chair and the back of the chair in front.
NCC Title
Seating in rows: chairs used for seating
NCC State
NSW
NCC SPTC Current
Seating in rows: chairs used for seating
NCC ID
_fb1d5290-c014-4ea4-9284-ba3293919ccf
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Chairs in an auditorium that has a level floor must be—
securely fastened to the floor; or
secured together in groups of not less than 4 and not more than 16.
NCC Title
Seating in rows: chairs in auditoriums — level floors
NCC State
NSW
NCC SPTC Current
Seating in rows: chairs in auditoriums — level floors
NCC ID
_f354e0a0-ad67-4240-a3dd-52406b0dcf11
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Chairs in an auditorium having a sloping floor, or having stepped or inclined platforms, must be securely fastened to the floor or platform.
NCC Title
Seating in rows: chairs in auditoriums — sloping floors
NCC State
NSW
NCC SPTC Current
Seating in rows: chairs in auditoriums — sloping floors
NCC ID
_84e0a86d-6321-4035-b3e5-f1e80aaedbb9
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Where seating is securely fastened to the floor and arranged in rows of concentric circles, semi-circles or segments of circles, with radiating aisles—
the number of seats in each row between 2 aisles must not exceed 24; and
each seat must—
have a minimum lateral clearance of at least 325 mm between the front of the seat and the back of the seat in front; and
have a distance of at least 975 mm between the back of the seat and the back of the seat in front; and
the platforms and steps must extend for the full width of the aisle; and
if there are no intervening steps between levels of platforms, the height of the platform riser must not be more than 200 mm; and
if there are one or more intervening steps between the levels of platforms—
each riser must be at least 100 mm but not more than 200 mm high; and
each going must be at least 250 mm deep; and
risers and goings must be uniform; and
goings which are more than 450 mm deep at platform level must have a grade of not more than 1 in 50; and
at the entrance from the aisle to each row there must be a clear level floor space, extending the full width of the aisle, of at least 300 mm, measured from the back of the row in front; and
any going projecting in front of a seat adjacent to an aisle must be protected by a guardrail.
NCC Title
Seating in rows: platforms and steps
NCC State
NSW
NCC SPTC Current
Seating in rows: platforms and steps
NCC ID
_4c0532c6-743a-4440-8828-b2ae4b0e0300
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Where stepped platforms without chairs or stepped platforms with bench seats, are used for seating—
each platform must be at least 700 mm deep; and
each seating space must be at least 450 mm wide, measured along the front of the platform or bench seat; and
each seating space must be numbered consecutively; and
at the entrance from the aisle to each row there must be a clear level floor space, extending the full width of the aisle, of at least 300 mm, measured from the back of the row in front; and
any going projecting in front of a seat adjacent to an aisle must be protected by a guardrail; and
in the case of stepped platforms with bench seats, there must be at least 300 mm between the back of each seat and the front of the platform behind, or the front of the bench seat behind, whichever is the closer.
The depth of each row of seating (that is, the distance between the back of the row in front or, if there is a guardrail in front, between the back of the row and the guardrail) must, in respect of a row containing a number of seats specified in Column 1 of NSW Table I4D29, be not less than the distance specified in Column 2 of that Table in respect of that number of seats.
The minimum lateral clearance between each row of seating must, in respect of a row containing a number of seats specified in Column 1 of NSW Table I4D29 be not less than the clearance specified in Column 3 of that Table in respect of that number of seats.
NCC Title
Continental seating: clearance between rows
NCC State
NSW
NCC SPTC Current
Continental seating: clearance between rows
NCC ID
_475c74c3-64c2-4f4e-adde-092eebbbbb22
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Chairs used for seating must comply with NSW I4D19(a) and (b).
NCC Title
Continental seating: chairs used for seating
NCC State
NSW
NCC SPTC Current
Continental seating: chairs used for seating
NCC ID
_cc6e8918-c4ce-41e9-81bb-a67d35f54c0b
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Egress doorways through the walls of the auditorium—
must have an aggregate width of at least twice the sum of the clearances specified in Column 3 of NSW Table I4D29 for each row of the auditorium to be served by those doorways; and
must be provided at each end of every fifth row, excluding the first 2 rows and the last 2 rows in the auditorium if those rows each contain no more than 16 seats; and
At the entrance from a row to a clear area, there must be a clear level floor space having a width of at least the clearance specified for the row in Column 3 of NSW Table I4D29.
If seats with fixed backs are provided, guardrails that extend for the full width of the seating, must be provided at least 500 mm above the platform unless—
fixed back seats of the next lower level project at least 500 mm above the level of the stepped platform; and
there is only one riser between the platform and next lower cross-over.
NCC Title
Provision of guardrails: fixed back seats
NCC State
NSW
NCC SPTC Current
Provision of guardrails: fixed back seats
NCC ID
_79751ac3-7921-47fd-b1ce-c985d1b16fb4
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
If—
there is more than one intervening step in an aisle between levels of platforms, a guardrail must be provided (at a vertical height of at least 660 mm measured above the nosing of each tread and of the upper platform) to the sides of the aisle adjacent to those steps; and
there is more than one intervening step in an aisle between levels of platforms, and that aisle is along a wall, a continuous guardrail must be affixed to that wall at a height of at least 865 mm above the nosing of each tread; and
the end of the platform or the back of the highest platform does not abut a wall that extends at least 660 mm above the floor level of the platform, a guardrail not less than 660 mm high must be provided—
at the ends of the platform, extending from the front of the first riser to the back of the highest platform; and
at the back of the highest platform, extending the full width of the platform; and
there is an inclined floor, the raised section of which is not bounded by walls at least 660 mm high, a guardrail must be provided that extends around the perimeter of the raised section at a height of at least 660 mm above the inclined floor level; and
seating at tables is provided on a stepped platform, a guardrail at least 500 mm high must be provided along the front edge of the platform.
Where a guardrail is provided in front of a row of chairs—
the distance between the back of each chair in that row, and the guardrail must be not less than the distance specified in Column 2 of NSW Table I4D29 for the number of chairs in that row; and
the minimum lateral clearance between the front of each chair in that row and the guardrail must be not less than the clearance specified in Column 3 of NSW Table I4D29 for the number of chairs in that row.
NCC Title
Guardrails for seating areas: continental seating
NCC State
NSW
NCC SPTC Current
Guardrails for seating areas: continental seating
NCC ID
_96d476f2-648b-40cd-b893-3acc1c1ee45f
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
A guardrail provided along the fascia of a balcony or box—
if it is located at the foot of a stepped aisle, must have its top surface at least 900 mm above the floor of the balcony or box; and
if it is not located at the foot of a stepped aisle, must have its top surface at least 750 mm above the floor; and
if it has a ledge more than 70 mm wide, must have the top surface of the ledge sloping downwards towards the floor of the balcony or box at an angle of at least 30 degrees from the horizontal; and
must have an unperforated kerb or toe guard extending for at least 300 mm above the floor.
NCC Title
Guardrails for seating areas: balconies and boxes
NCC State
NSW
NCC SPTC Current
Guardrails for seating areas: balconies and boxes
NCC ID
_85cb3856-48db-4f05-be28-0b5b0c0763fc
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
A guardrail provided along the front edge of a cross-over on a stepped floor—
must be at least 750 mm high; and
must extend the full distance between aisles, or between a wall and an aisle, or for such other distance as considered necessary.
NCC Title
Guardrails for seating areas: cross-overs
NCC State
NSW
NCC SPTC Current
Guardrails for seating areas: cross-overs
NCC ID
_dfdd7a60-5b4f-45d9-8c26-7a5db8f881f8
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
A dressing room or two or more adjoining dressing rooms, having a total floor area of more than 50 m2, must—
be separated from other parts of the building by construction having an FRL of not less than 60/60/60; and
have at least 2 means of egress as remote from each other as possible, one of which must discharge—
A projection suite in accordance with the staffing requirements of Schedule 72 of the Environmental Planning and Assessment Regulation 2021 must contain either—
a projection room and sanitary accommodation comprising at least 1 closet pan and 1 washbasin, where the projection suite is continually staffed; or
a projection room fitted with the following equipment—
an automatic fire suppression system in accordance with SSL Appraisal Specification FAS 102 or a sprinkler system complying with AS 2118; and
a smoke detection system which will—
comply with AS 1670.1; and
be connected to a fire station or other approved monitoring service where arrangements are in place to initiate fire brigade response; and
close down all shutters fitted to projection or observation ports; and
activate sufficient general lighting to provide a minimum of 40 lux measured at floor level in any auditorium affected; and
operate a public address system to automatically announce a suitable message from the management of the premises; and
activate an audible alarm to immediately indicate to management the presence of smoke in the projection room.
NCC Title
Projection suites: rooms to be provided
NCC State
NSW
NCC SPTC Current
Projection suites: rooms to be provided
NCC ID
_5189c05f-c243-44c0-91f8-ed1def11091a
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
A projection suite must be separated from all other internal parts of the building in which it is located by construction having an FRL of not less than 60/60/60.
NCC Title
Projection suites: fire separation
NCC State
NSW
NCC SPTC Current
Projection suites: fire separation
NCC ID
_dd2361da-072c-4019-b4e1-5361ef739858
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
If a projection or observation port is not more than 0.1 m2 in area—
a metal shutter not less than 1.5 mm thick may be fitted thereto instead of the protection required under NSW C4D12; and
any metal shutter or protection system must be equipped with a device to permit the closing of the shutter or the protection system from easily accessible operating positions adjacent to each egress doorway from the projection room.
NCC Title
Projection suites: concession for protection of some openings
NCC State
NSW
NCC SPTC Current
Projection suites: concession for protection of some openings
the building must be equipped with a sprinkler system (other than a FPAA101D or FPAA101H system) complying with Specification 17.
NCC Title
Basement storeys: more than two
NCC State
NSW
NCC SPTC Current
Basement storeys: more than two
NCC ID
_6bac5a6a-7568-4d5c-9682-913080de389f
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
The switchboard containing the main isolation switch must—
be located in a position that is readily accessible to authorised persons, and to the fire brigade in the case of an emergency; and
be enclosed by construction having an FRL of not less than 60/60/60.
NCC Title
Electric mains installation: main switchboard
NCC State
NSW
NCC SPTC Current
Electric mains installation: main switchboard
NCC ID
_3b4a9a3b-3f07-4b1b-9650-9175d67e8b32
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Protection of the final sub-circuit originating at a switchboard or distribution board must be by means of circuit breakers.
NCC Title
Electric mains installation: circuit protection
NCC State
NSW
NCC SPTC Current
Electric mains installation: circuit protection
NCC ID
_9f6e394d-559b-4fbf-85f0-b1b5763476cd
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Where an entertainment venue has its mains supply in common with that of another building or where it is a part of a building—
the entertainment venue must be served by a separate and independent sub-main from the main switchboard; and
each sub-main, the consumer’s main and the supply authority’s conductors within the building must be protected against fire by means of—
mineral-insulated metal-sheathed cables or other cables that provide at least 2 hours’ fire protection; or
heavy-duty PVC conduit or metallic pipe, concrete encased in walls or slabs with a minimum of 50 mm cover; or
heavy-duty PVC conduit or metallic pipe, buried at least 500 mm below ground level, for underground cabling.
NCC Title
Electric mains installation: separate sub-mains
NCC State
NSW
NCC SPTC Current
Electric mains installation: separate sub-mains
NCC ID
_c3ff908e-f13a-465e-8013-4328ab632610
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
(1) Any switch controlling the lighting system must not be accessible.
(2) Where, during normal use, general lighting may be dimmed or switched off, an override switch to switch on all of the general lighting instantaneously must be installed in the auditorium in a position accessible to management.
NCC Title
Lighting: lighting switches
NCC State
NSW
NCC SPTC Current
Lighting: lighting switches
NCC ID
_84bbb3e4-5cdb-4982-91de-4adbf620cd1a
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Where the lamps utilised in the general lighting are of a type that will not relight immediately after the restoration of the primary electricity supply to those lamps—
a time delay or other suitable means must be provided to maintain the emergency lighting for a period not less than that necessary to allow the general lighting lamps to restrike; or
lamps of a type that will provide immediate lighting must be installed and—
arranged in such a manner as to ensure visual conditions not inferior to those required to be provided by the emergency lighting; and
capable of being switched in common with the general lighting and of being controlled also by the override switch required by NSW I4D54(2).
NCC Title
Lighting: lighting levels
NCC State
NSW
NCC SPTC Current
Lighting: lighting levels
NCC ID
_6d666f87-8697-4ce5-9e7b-28120972d59d
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Where general lighting is to be either dimmed or extinguished when the public is in attendance and where the floor is stepped or at an inclination greater than 1 in 12, aisle lights must be provided to illuminate the length of each aisle and the tread of each step therein.
NCC Title
Lighting: provision of aisle lighting
NCC State
NSW
NCC SPTC Current
Lighting: provision of aisle lighting
NCC ID
_24cd2e7f-764e-43c3-ada1-6d2ae850cac2
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Where an aisle light is installed in a seat frame, it must be supplied at a voltage of not more than 32 volts AC or 115 volts DC.
NCC Title
Lighting: aisle lighting power supply
NCC State
NSW
NCC SPTC Current
Lighting: aisle lighting power supply
NCC ID
_dd779da7-bc4c-4409-8148-95e4d7612e3c
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Aisle lighting must be provided with an alternative electricity supply that—
is capable of being automatically energised in the event of failure of the primary lighting electricity supply; and
complies with the provisions applying to emergency lighting.
NCC Title
Lighting: aisle lighting alternative lighting supply
NCC State
NSW
NCC SPTC Current
Lighting: aisle lighting alternative lighting supply
be capable of automatic operation by the inclusion of a heat sensing device designed to activate the system at a temperature of not more than 71°C; and
be capable of being released manually from positions at either side of the stage and of being fully activated from either position; and
have a notice, prominently displayed at each position referred to in (b), clearly indicating the method of activation; and
have an openable area of not less than 10 percent of the total area of the stage.
NCC Title
Automatic smoke-and-heat vents for stages
NCC State
NSW
NCC SPTC Current
Automatic smoke-and-heat vents for stages
NCC ID
_3e9b3dbe-49cc-4d48-b6b4-e15bd3e06912
Building Classes
1a,1b,10a,10b,10c
NCC Blurbs
Solid fuel burning stoves and open fire places must not be installed in premises designed for the purpose of—