Items where Subject is "Appendix D: Methods of measurement"

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  • Subjects (13)
    • Appendix D: Methods of measurement (13)
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Number of items at this level: 57.

a1 loading

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D5 Number of storeys

NOTES:
1.In assembly buildings (purpose group 5), a gallery is included as a storey, but not if it is a loading gallery, fly gallery, stage grid, lighting bridge, or any gallery provided for similar purposes, or for maintenance and repair.
2.In other purpose group buildings, galleries are not counted as a storey.
3.For the definition of basement, see Appendix A.

UNSPECIFIED

building

ADB1 UNSPECIFIED Para:D1 Occupant number

The number of occupants of a room, storey, building or part of a building is either of the following.
a. The maximum number of people it is designed to hold.
b. In buildings other than dwellings, the number of people calculated by dividing the area of
a room or storey(s) (m2) by a floor space factor (m2 per person) such as given in Table D1 for
guidance.

UNSPECIFIED

ADB1 UNSPECIFIED Para:D1 Occupant number

The number of occupants of a room, storey, building or part of a building is either of the following.
a. The maximum number of people it is designed to hold.
b. In buildings other than dwellings, the number of people calculated by dividing the area of
a room or storey(s) (m2) by a floor space factor (m2 per person) such as given in Table D1 for
guidance.

UNSPECIFIED

capacity

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D2 Cubic capacity

In every case measure the volume contained by all of the following.
a. Under surface of roof.
b. Upper surface of lowest floor.
c. Inner surface of enclosing walls.
When there is not an outer enclosingwall, measure to the outermost edge of the floor slab.
The measured volume should include internal walls and partitions.
a. Cubic capacity of a building Internal wall or partition
b. Cubic capacity of compartments or separated part of a building
Diagram D2 Cubic capacity

UNSPECIFIED

cavity barrier

ADB1 UNSPECIFIED Para:D5 Free area of smoke ventilators

The free area of a smoke ventilator should be measured by either of the following.
a. The declared aerodynamic free area in accordance with BS EN 12101-2.
b. The total unobstructed cross-sectional area (geometric free area), measured in the plane where
the area is at a minimum and at right angles to the direction of air flow (Diagram D7).

UNSPECIFIED

clear opening width

ADB1 UNSPECIFIED Para:D4 Width

Width is measured according to the following.
a. For a door (or doorway), the clear width when the door is open (Diagram D1).
b. For an escape route, either of the following.
i. When the route is defined by walls: the width at 1500mm above finished floor level.
ii. Elsewhere: the minimum width of passage available between any fixed obstructions.
c. For a stair, the clear width between the walls or balustrades. On escape routes and stairs,
handrails and strings intruding into the width by a maximum of 100mm on each side may be
ignored. Rails used for guiding a stair-lift may be ignored, but it should be possible to park the
lift’s chair or carriage in a position that does not obstruct the stair or landing.

UNSPECIFIED

clear width

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D1 Measurement of door width

Effective clear width (door stop to projecting ironmongery)
Effective clear width (door stop to door leaf)

UNSPECIFIED

ADB1 UNSPECIFIED Para:D4 Width

Width is measured according to the following.
a. For a door (or doorway), the clear width when the door is open (Diagram D1).
b. For an escape route, either of the following.
i. When the route is defined by walls: the width at 1500mm above finished floor level.
ii. Elsewhere: the minimum width of passage available between any fixed obstructions.
c. For a stair, the clear width between the walls or balustrades. On escape routes and stairs,
handrails and strings intruding into the width by a maximum of 100mm on each side may be
ignored. Rails used for guiding a stair-lift may be ignored, but it should be possible to park the
lift’s chair or carriage in a position that does not obstruct the stair or landing.

UNSPECIFIED

definition

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D5 Number of storeys

NOTES:
1.In assembly buildings (purpose group 5), a gallery is included as a storey, but not if it is a loading gallery, fly gallery, stage grid, lighting bridge, or any gallery provided for similar purposes, or for maintenance and repair.
2.In other purpose group buildings, galleries are not counted as a storey.
3.For the definition of basement, see Appendix A.

UNSPECIFIED

density

ADB1 UNSPECIFIED Para:UNSPECIFIED Table D1 Floor space factors

NOTES:
1. As an alternative to using the values in the table, the floor space factor may be determined by reference to actual data taken from similar premises. Where appropriate, the data should reflect the average occupant density at a peak trading time of year.
2. Where accommodation is not directly covered by the descriptions given, a reasonable value based on a similar use may be selected.
3. Where any part of the building is to be used for more than one type of accommodation, the most onerous factor(s) should be applied. Where the building contains different types of accommodation, the occupancy of each different area should be calculated using the relevant space factor.
4. For detailed guidance on appropriate floor space factors for concourses in sports grounds refer to Concourses published by the Football Licensing Authority.
5. Alternatively the occupant number may be taken as the number of fixed seats provided, if the occupants will normally be seated.
6. Shops excluding those under item 10, but including: supermarkets and department stores (main sales areas), shops for personal services, such as hairdressing, and shops for the delivery or collection of goods for cleaning, repair or other treatment or for members of the public themselves carrying out such cleaning, repair or other treatment.
7. Shops (excluding those in covered shopping complexes but including department stores) trading predominantly in furniture, floor coverings, cycles, prams, large domestic appliances or other bulky goods, or trading on a wholesale self-selection basis (cash and carry).

UNSPECIFIED

diagram d2 cubic capacity

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D2 Cubic capacity

In every case measure the volume contained by all of the following.
a. Under surface of roof.
b. Upper surface of lowest floor.
c. Inner surface of enclosing walls.
When there is not an outer enclosingwall, measure to the outermost edge of the floor slab.
The measured volume should include internal walls and partitions.
a. Cubic capacity of a building Internal wall or partition
b. Cubic capacity of compartments or separated part of a building
Diagram D2 Cubic capacity

UNSPECIFIED

diagram d3 area

ADB1 UNSPECIFIED Para:D5 Free area of smoke ventilators

The free area of a smoke ventilator should be measured by either of the following.
a. The declared aerodynamic free area in accordance with BS EN 12101-2.
b. The total unobstructed cross-sectional area (geometric free area), measured in the plane where
the area is at a minimum and at right angles to the direction of air flow (Diagram D7).

UNSPECIFIED

direct distance

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D2 Cubic capacity

In every case measure the volume contained by all of the following.
a. Under surface of roof.
b. Upper surface of lowest floor.
c. Inner surface of enclosing walls.
When there is not an outer enclosingwall, measure to the outermost edge of the floor slab.
The measured volume should include internal walls and partitions.
a. Cubic capacity of a building Internal wall or partition
b. Cubic capacity of compartments or separated part of a building
Diagram D2 Cubic capacity

UNSPECIFIED

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D3 Area

a. Surface area: roofs and rooflights In each case measure the visible area
b. Floor area: Room, garage, conservatory or outbuilding, measure to inner surface of enclosing walls
c. Floor area: Storey, part or compartment, measure to inner surface of enclosing walls and include internal walls and partitions

UNSPECIFIED

doorset

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D1 Measurement of door width

Effective clear width (door stop to projecting ironmongery)
Effective clear width (door stop to door leaf)

UNSPECIFIED

dwelling type

ADB1 UNSPECIFIED Para:UNSPECIFIED Table D1 Floor space factors

NOTES:
1. As an alternative to using the values in the table, the floor space factor may be determined by reference to actual data taken from similar premises. Where appropriate, the data should reflect the average occupant density at a peak trading time of year.
2. Where accommodation is not directly covered by the descriptions given, a reasonable value based on a similar use may be selected.
3. Where any part of the building is to be used for more than one type of accommodation, the most onerous factor(s) should be applied. Where the building contains different types of accommodation, the occupancy of each different area should be calculated using the relevant space factor.
4. For detailed guidance on appropriate floor space factors for concourses in sports grounds refer to Concourses published by the Football Licensing Authority.
5. Alternatively the occupant number may be taken as the number of fixed seats provided, if the occupants will normally be seated.
6. Shops excluding those under item 10, but including: supermarkets and department stores (main sales areas), shops for personal services, such as hairdressing, and shops for the delivery or collection of goods for cleaning, repair or other treatment or for members of the public themselves carrying out such cleaning, repair or other treatment.
7. Shops (excluding those in covered shopping complexes but including department stores) trading predominantly in furniture, floor coverings, cycles, prams, large domestic appliances or other bulky goods, or trading on a wholesale self-selection basis (cash and carry).

UNSPECIFIED

element of structure

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D5 Number of storeys

NOTES:
1.In assembly buildings (purpose group 5), a gallery is included as a storey, but not if it is a loading gallery, fly gallery, stage grid, lighting bridge, or any gallery provided for similar purposes, or for maintenance and repair.
2.In other purpose group buildings, galleries are not counted as a storey.
3.For the definition of basement, see Appendix A.

UNSPECIFIED

escape route

ADB1 UNSPECIFIED Para:D4 Width

Width is measured according to the following.
a. For a door (or doorway), the clear width when the door is open (Diagram D1).
b. For an escape route, either of the following.
i. When the route is defined by walls: the width at 1500mm above finished floor level.
ii. Elsewhere: the minimum width of passage available between any fixed obstructions.
c. For a stair, the clear width between the walls or balustrades. On escape routes and stairs,
handrails and strings intruding into the width by a maximum of 100mm on each side may be
ignored. Rails used for guiding a stair-lift may be ignored, but it should be possible to park the
lift’s chair or carriage in a position that does not obstruct the stair or landing.

UNSPECIFIED

fire compartment

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D6 Height of top storey in building

Height of top storey measured from upper floor surface of top floor to ground level on lowest side of building
Height of top storey excludes roof-top plant areas and any top storeys consisting exclusively of plant rooms

UNSPECIFIED

floor 01

ADB1 UNSPECIFIED Para:UNSPECIFIED Table D1 Floor space factors

NOTES:
1. As an alternative to using the values in the table, the floor space factor may be determined by reference to actual data taken from similar premises. Where appropriate, the data should reflect the average occupant density at a peak trading time of year.
2. Where accommodation is not directly covered by the descriptions given, a reasonable value based on a similar use may be selected.
3. Where any part of the building is to be used for more than one type of accommodation, the most onerous factor(s) should be applied. Where the building contains different types of accommodation, the occupancy of each different area should be calculated using the relevant space factor.
4. For detailed guidance on appropriate floor space factors for concourses in sports grounds refer to Concourses published by the Football Licensing Authority.
5. Alternatively the occupant number may be taken as the number of fixed seats provided, if the occupants will normally be seated.
6. Shops excluding those under item 10, but including: supermarkets and department stores (main sales areas), shops for personal services, such as hairdressing, and shops for the delivery or collection of goods for cleaning, repair or other treatment or for members of the public themselves carrying out such cleaning, repair or other treatment.
7. Shops (excluding those in covered shopping complexes but including department stores) trading predominantly in furniture, floor coverings, cycles, prams, large domestic appliances or other bulky goods, or trading on a wholesale self-selection basis (cash and carry).

UNSPECIFIED

floor 02

ADB1 UNSPECIFIED Para:UNSPECIFIED Table D1 Floor space factors

NOTES:
1. As an alternative to using the values in the table, the floor space factor may be determined by reference to actual data taken from similar premises. Where appropriate, the data should reflect the average occupant density at a peak trading time of year.
2. Where accommodation is not directly covered by the descriptions given, a reasonable value based on a similar use may be selected.
3. Where any part of the building is to be used for more than one type of accommodation, the most onerous factor(s) should be applied. Where the building contains different types of accommodation, the occupancy of each different area should be calculated using the relevant space factor.
4. For detailed guidance on appropriate floor space factors for concourses in sports grounds refer to Concourses published by the Football Licensing Authority.
5. Alternatively the occupant number may be taken as the number of fixed seats provided, if the occupants will normally be seated.
6. Shops excluding those under item 10, but including: supermarkets and department stores (main sales areas), shops for personal services, such as hairdressing, and shops for the delivery or collection of goods for cleaning, repair or other treatment or for members of the public themselves carrying out such cleaning, repair or other treatment.
7. Shops (excluding those in covered shopping complexes but including department stores) trading predominantly in furniture, floor coverings, cycles, prams, large domestic appliances or other bulky goods, or trading on a wholesale self-selection basis (cash and carry).

UNSPECIFIED

free area

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D7 Free area of smoke ventilators

Free area measured at right angles to air flow
Free area for louvred vent = a1+a2+a3+a4+a5

UNSPECIFIED

ADB1 UNSPECIFIED Para:D5 Free area of smoke ventilators

The free area of a smoke ventilator should be measured by either of the following.
a. The declared aerodynamic free area in accordance with BS EN 12101-2.
b. The total unobstructed cross-sectional area (geometric free area), measured in the plane where
the area is at a minimum and at right angles to the direction of air flow (Diagram D7).

UNSPECIFIED

gallery

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D5 Number of storeys

NOTES:
1.In assembly buildings (purpose group 5), a gallery is included as a storey, but not if it is a loading gallery, fly gallery, stage grid, lighting bridge, or any gallery provided for similar purposes, or for maintenance and repair.
2.In other purpose group buildings, galleries are not counted as a storey.
3.For the definition of basement, see Appendix A.

UNSPECIFIED

ground floor

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D6 Height of top storey in building

Height of top storey measured from upper floor surface of top floor to ground level on lowest side of building
Height of top storey excludes roof-top plant areas and any top storeys consisting exclusively of plant rooms

UNSPECIFIED

handrail

ADB1 UNSPECIFIED Para:D4 Width

Width is measured according to the following.
a. For a door (or doorway), the clear width when the door is open (Diagram D1).
b. For an escape route, either of the following.
i. When the route is defined by walls: the width at 1500mm above finished floor level.
ii. Elsewhere: the minimum width of passage available between any fixed obstructions.
c. For a stair, the clear width between the walls or balustrades. On escape routes and stairs,
handrails and strings intruding into the width by a maximum of 100mm on each side may be
ignored. Rails used for guiding a stair-lift may be ignored, but it should be possible to park the
lift’s chair or carriage in a position that does not obstruct the stair or landing.

UNSPECIFIED

height

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D4 Height of building

Height of building

UNSPECIFIED

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D6 Height of top storey in building

Height of top storey measured from upper floor surface of top floor to ground level on lowest side of building
Height of top storey excludes roof-top plant areas and any top storeys consisting exclusively of plant rooms

UNSPECIFIED

inner room

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D3 Area

a. Surface area: roofs and rooflights In each case measure the visible area
b. Floor area: Room, garage, conservatory or outbuilding, measure to inner surface of enclosing walls
c. Floor area: Storey, part or compartment, measure to inner surface of enclosing walls and include internal walls and partitions

UNSPECIFIED

internal wall

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D2 Cubic capacity

In every case measure the volume contained by all of the following.
a. Under surface of roof.
b. Upper surface of lowest floor.
c. Inner surface of enclosing walls.
When there is not an outer enclosingwall, measure to the outermost edge of the floor slab.
The measured volume should include internal walls and partitions.
a. Cubic capacity of a building Internal wall or partition
b. Cubic capacity of compartments or separated part of a building
Diagram D2 Cubic capacity

UNSPECIFIED

life cycle of building

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D4 Height of building

Height of building

UNSPECIFIED

localised obstruction

ADB1 UNSPECIFIED Para:D4 Width

Width is measured according to the following.
a. For a door (or doorway), the clear width when the door is open (Diagram D1).
b. For an escape route, either of the following.
i. When the route is defined by walls: the width at 1500mm above finished floor level.
ii. Elsewhere: the minimum width of passage available between any fixed obstructions.
c. For a stair, the clear width between the walls or balustrades. On escape routes and stairs,
handrails and strings intruding into the width by a maximum of 100mm on each side may be
ignored. Rails used for guiding a stair-lift may be ignored, but it should be possible to park the
lift’s chair or carriage in a position that does not obstruct the stair or landing.

UNSPECIFIED

maintenance provider

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D5 Number of storeys

NOTES:
1.In assembly buildings (purpose group 5), a gallery is included as a storey, but not if it is a loading gallery, fly gallery, stage grid, lighting bridge, or any gallery provided for similar purposes, or for maintenance and repair.
2.In other purpose group buildings, galleries are not counted as a storey.
3.For the definition of basement, see Appendix A.

UNSPECIFIED

measurement

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D2 Cubic capacity

In every case measure the volume contained by all of the following.
a. Under surface of roof.
b. Upper surface of lowest floor.
c. Inner surface of enclosing walls.
When there is not an outer enclosingwall, measure to the outermost edge of the floor slab.
The measured volume should include internal walls and partitions.
a. Cubic capacity of a building Internal wall or partition
b. Cubic capacity of compartments or separated part of a building
Diagram D2 Cubic capacity

UNSPECIFIED

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D3 Area

a. Surface area: roofs and rooflights In each case measure the visible area
b. Floor area: Room, garage, conservatory or outbuilding, measure to inner surface of enclosing walls
c. Floor area: Storey, part or compartment, measure to inner surface of enclosing walls and include internal walls and partitions

UNSPECIFIED

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D6 Height of top storey in building

Height of top storey measured from upper floor surface of top floor to ground level on lowest side of building
Height of top storey excludes roof-top plant areas and any top storeys consisting exclusively of plant rooms

UNSPECIFIED

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D7 Free area of smoke ventilators

Free area measured at right angles to air flow
Free area for louvred vent = a1+a2+a3+a4+a5

UNSPECIFIED

ADB1 UNSPECIFIED Para:D1 Occupant number

The number of occupants of a room, storey, building or part of a building is either of the following.
a. The maximum number of people it is designed to hold.
b. In buildings other than dwellings, the number of people calculated by dividing the area of
a room or storey(s) (m2) by a floor space factor (m2 per person) such as given in Table D1 for
guidance.

UNSPECIFIED

ADB1 UNSPECIFIED Para:D5 Free area of smoke ventilators

The free area of a smoke ventilator should be measured by either of the following.
a. The declared aerodynamic free area in accordance with BS EN 12101-2.
b. The total unobstructed cross-sectional area (geometric free area), measured in the plane where
the area is at a minimum and at right angles to the direction of air flow (Diagram D7).

UNSPECIFIED

pitch line

ADB1 UNSPECIFIED Para:D3 Travel distance

Travel distance is measured as the shortest route. Both of the following should be observed.
a. If there is fixed seating or other fixed obstructions, the shortest route is along the centre line of
the seatways and gangways.
b. If the route includes a stair, the shortest route is along the pitch line on the centre line of travel.

UNSPECIFIED

project

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D1 Measurement of door width

Effective clear width (door stop to projecting ironmongery)
Effective clear width (door stop to door leaf)

UNSPECIFIED

purpose group

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D5 Number of storeys

NOTES:
1.In assembly buildings (purpose group 5), a gallery is included as a storey, but not if it is a loading gallery, fly gallery, stage grid, lighting bridge, or any gallery provided for similar purposes, or for maintenance and repair.
2.In other purpose group buildings, galleries are not counted as a storey.
3.For the definition of basement, see Appendix A.

UNSPECIFIED

rooflight

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D3 Area

a. Surface area: roofs and rooflights In each case measure the visible area
b. Floor area: Room, garage, conservatory or outbuilding, measure to inner surface of enclosing walls
c. Floor area: Storey, part or compartment, measure to inner surface of enclosing walls and include internal walls and partitions

UNSPECIFIED

sanitary accommodation

ADB1 UNSPECIFIED Para:D2 Occupant number

Counters and display units should be included when measuring area. All of the following should
be excluded.
a. Stair enclosures.
b. Lifts.
c. Sanitary accommodation.
d. Any other fixed part of the building structure.

UNSPECIFIED

separated part

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D2 Cubic capacity

In every case measure the volume contained by all of the following.
a. Under surface of roof.
b. Upper surface of lowest floor.
c. Inner surface of enclosing walls.
When there is not an outer enclosingwall, measure to the outermost edge of the floor slab.
The measured volume should include internal walls and partitions.
a. Cubic capacity of a building Internal wall or partition
b. Cubic capacity of compartments or separated part of a building
Diagram D2 Cubic capacity

UNSPECIFIED

should

ADB1 UNSPECIFIED Para:UNSPECIFIED Table D1 Floor space factors

NOTES:
1. As an alternative to using the values in the table, the floor space factor may be determined by reference to actual data taken from similar premises. Where appropriate, the data should reflect the average occupant density at a peak trading time of year.
2. Where accommodation is not directly covered by the descriptions given, a reasonable value based on a similar use may be selected.
3. Where any part of the building is to be used for more than one type of accommodation, the most onerous factor(s) should be applied. Where the building contains different types of accommodation, the occupancy of each different area should be calculated using the relevant space factor.
4. For detailed guidance on appropriate floor space factors for concourses in sports grounds refer to Concourses published by the Football Licensing Authority.
5. Alternatively the occupant number may be taken as the number of fixed seats provided, if the occupants will normally be seated.
6. Shops excluding those under item 10, but including: supermarkets and department stores (main sales areas), shops for personal services, such as hairdressing, and shops for the delivery or collection of goods for cleaning, repair or other treatment or for members of the public themselves carrying out such cleaning, repair or other treatment.
7. Shops (excluding those in covered shopping complexes but including department stores) trading predominantly in furniture, floor coverings, cycles, prams, large domestic appliances or other bulky goods, or trading on a wholesale self-selection basis (cash and carry).

UNSPECIFIED

ADB1 UNSPECIFIED Para:D2 Occupant number

Counters and display units should be included when measuring area. All of the following should
be excluded.
a. Stair enclosures.
b. Lifts.
c. Sanitary accommodation.
d. Any other fixed part of the building structure.

UNSPECIFIED

ADB1 UNSPECIFIED Para:D3 Travel distance

Travel distance is measured as the shortest route. Both of the following should be observed.
a. If there is fixed seating or other fixed obstructions, the shortest route is along the centre line of
the seatways and gangways.
b. If the route includes a stair, the shortest route is along the pitch line on the centre line of travel.

UNSPECIFIED

stair width

ADB1 UNSPECIFIED Para:D4 Width

Width is measured according to the following.
a. For a door (or doorway), the clear width when the door is open (Diagram D1).
b. For an escape route, either of the following.
i. When the route is defined by walls: the width at 1500mm above finished floor level.
ii. Elsewhere: the minimum width of passage available between any fixed obstructions.
c. For a stair, the clear width between the walls or balustrades. On escape routes and stairs,
handrails and strings intruding into the width by a maximum of 100mm on each side may be
ignored. Rails used for guiding a stair-lift may be ignored, but it should be possible to park the
lift’s chair or carriage in a position that does not obstruct the stair or landing.

UNSPECIFIED

storey

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D5 Number of storeys

NOTES:
1.In assembly buildings (purpose group 5), a gallery is included as a storey, but not if it is a loading gallery, fly gallery, stage grid, lighting bridge, or any gallery provided for similar purposes, or for maintenance and repair.
2.In other purpose group buildings, galleries are not counted as a storey.
3.For the definition of basement, see Appendix A.

UNSPECIFIED

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D6 Height of top storey in building

Height of top storey measured from upper floor surface of top floor to ground level on lowest side of building
Height of top storey excludes roof-top plant areas and any top storeys consisting exclusively of plant rooms

UNSPECIFIED

ADB1 UNSPECIFIED Para:D1 Occupant number

The number of occupants of a room, storey, building or part of a building is either of the following.
a. The maximum number of people it is designed to hold.
b. In buildings other than dwellings, the number of people calculated by dividing the area of
a room or storey(s) (m2) by a floor space factor (m2 per person) such as given in Table D1 for
guidance.

UNSPECIFIED

travel distance

ADB1 UNSPECIFIED Para:D3 Travel distance

Travel distance is measured as the shortest route. Both of the following should be observed.
a. If there is fixed seating or other fixed obstructions, the shortest route is along the centre line of
the seatways and gangways.
b. If the route includes a stair, the shortest route is along the pitch line on the centre line of travel.

UNSPECIFIED

ADB1 UNSPECIFIED Para:D3 Travel distance

Travel distance is measured as the shortest route. Both of the following should be observed.
a. If there is fixed seating or other fixed obstructions, the shortest route is along the centre line of
the seatways and gangways.
b. If the route includes a stair, the shortest route is along the pitch line on the centre line of travel.

UNSPECIFIED

volume

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D2 Cubic capacity

In every case measure the volume contained by all of the following.
a. Under surface of roof.
b. Upper surface of lowest floor.
c. Inner surface of enclosing walls.
When there is not an outer enclosingwall, measure to the outermost edge of the floor slab.
The measured volume should include internal walls and partitions.
a. Cubic capacity of a building Internal wall or partition
b. Cubic capacity of compartments or separated part of a building
Diagram D2 Cubic capacity

UNSPECIFIED

wall

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D2 Cubic capacity

In every case measure the volume contained by all of the following.
a. Under surface of roof.
b. Upper surface of lowest floor.
c. Inner surface of enclosing walls.
When there is not an outer enclosingwall, measure to the outermost edge of the floor slab.
The measured volume should include internal walls and partitions.
a. Cubic capacity of a building Internal wall or partition
b. Cubic capacity of compartments or separated part of a building
Diagram D2 Cubic capacity

UNSPECIFIED

ADB1 UNSPECIFIED Para:UNSPECIFIED Diagram D7 Free area of smoke ventilators

Free area measured at right angles to air flow
Free area for louvred vent = a1+a2+a3+a4+a5

UNSPECIFIED

This list was generated on Fri Mar 29 07:48:28 2024 UTC.