AUSTRALIAN STANDARDS
SUMMARY
If there is guardrail on the edge
of the roof where the slope is
12° or greater, a third rail is
recommended.
THIS PROPERTY REMAINS THE PROPERTY OF SAYFA GROUP AND MAY NOT BE CHANGED WITHOUT WRITTEN
PERMISSIONFOR FURTHER INFORMATION REFER TO OUR WEBSITE AT sayfa.com.au
1029 MOUNTAIN HWY BORONIA VIC 3155
T
+61 1300 301 755
E
F
+61 1300 881 092
E
sayfa.com.au
DRG No.
DATE
Code
REV
DESCRIPTION
SENTRY GUARDRAIL SYSTEM REQUIREMENTS
4117
10/12/2020
GW300
4
M
in
9
00
625
Min 550
M
ax
4
50
M
a
x
56
0
Guardrail on Parapet
Height of guardrail must be
min 900mm from main
walking surface e.g. roof
deck.
(Unless box gutter is more
than 1000mm wide - then
height is measured from box
gutter)
Safety Below Platform or Landing
Where persons have access to or work
beneath any platform or landing, the
floor of such platform or landing shall
be designed, or provided with
protection, to prevent objects falling
through the floor reaching the area
below - Max 15mm Opening.
Use small Mesh or Checkerplate.
30
0
M
ax
(W)
5
6
7
4
1
2
3
8
Guardrail Height
Minimum height for
guardrailing is 900mm from
the walking surface.
If guardrail is more than
1100mm high, a third rail is
required
Width Between Guardrails
Horizontal distance between
guardrails, intermediate rails
or toeboards shall not be less
than 550mm.
Minimum width of walkway
must be 600mm.
Typical Guardrail Requirements (From AS1657 :2018 Standards)
Min 50mm Clearance
Guardrail on Sloping Roofs
If there is guardrail on the
edge of the roof where the
slope is 12
o
or greater, a third
rail is recommended.
Hand Clearance
The distance between the
edge of the handrail and any
adjacent structure must be
no less than 50mm.
NOTE. A Handrail provides a
handhold. eg, Stairway. This
may not be applicable when
used as a guardrail. (Barrier as
edge protection)
Guardrail on Platforms
Guardrail is not required on a platform if
the height to lower landing is less than
300mm and (W) is not more than 1000mm.
If (W) is less than 1000mm then the
guardrail height must be increased by
300mm.
If platform is higher than 300mm,
guardrailing is required on the platform.
Toeboard
A toeboard (Min 100mm) shall be installed
on the edge of a walkway which an object
could fall to where persons have access to
the area below and to the side of the
walkway.
PLATFORM
FA
LL
E
D
G
E
Box Gutter
M
in
9
00
Gap not to
exceed 15mm
M
ax
4
50
M
ax
4
50
Min 100
Max 10mm
Gap
THIS PROPERTY REMAINS THE PROPERTY OF SAYFA GROUP AND MAY NOT BE CHANGED WITHOUT WRITTEN
PERMISSIONFOR FURTHER INFORMATION REFER TO OUR WEBSITE AT sayfa.com.au
1029 MOUNTAIN HWY BORONIA VIC 3155
T
+61 1300 301 755
E
F
+61 1300 881 092
E
sayfa.com.au
DRG No.
DATE
Code
REV
DESCRIPTION
SENTRY GUARDRAIL SYSTEM REQUIREMENTS
4117
10/12/2020
GW300
4
M
in
9
00
625
Min 550
M
ax
4
50
M
a
x
56
0
Guardrail on Parapet
Height of guardrail must be
min 900mm from main
walking surface e.g. roof
deck.
(Unless box gutter is more
than 1000mm wide - then
height is measured from box
gutter)
Safety Below Platform or Landing
Where persons have access to or work
beneath any platform or landing, the
floor of such platform or landing shall
be designed, or provided with
protection, to prevent objects falling
through the floor reaching the area
below - Max 15mm Opening.
Use small Mesh or Checkerplate.
30
0
M
ax
(W)
5
6
7
4
1
2
3
8
Guardrail Height
Minimum height for
guardrailing is 900mm from
the walking surface.
If guardrail is more than
1100mm high, a third rail is
required
Width Between Guardrails
Horizontal distance between
guardrails, intermediate rails
or toeboards shall not be less
than 550mm.
Minimum width of walkway
must be 600mm.
Typical Guardrail Requirements (From AS1657 :2018 Standards)
Min 50mm Clearance
Guardrail on Sloping Roofs
If there is guardrail on the
edge of the roof where the
slope is 12
o
or greater, a third
rail is recommended.
Hand Clearance
The distance between the
edge of the handrail and any
adjacent structure must be
no less than 50mm.
NOTE. A Handrail provides a
handhold. eg, Stairway. This
may not be applicable when
used as a guardrail. (Barrier as
edge protection)
Guardrail on Platforms
Guardrail is not required on a platform if
the height to lower landing is less than
300mm and (W) is not more than 1000mm.
If (W) is less than 1000mm then the
guardrail height must be increased by
300mm.
If platform is higher than 300mm,
guardrailing is required on the platform.
Toeboard
A toeboard (Min 100mm) shall be installed
on the edge of a walkway which an object
could fall to where persons have access to
the area below and to the side of the
walkway.
PLATFORM
FA
LL
E
D
G
E
Box Gutter
M
in
9
00
Gap not to
exceed 15mm
M
ax
4
50
M
ax
4
50
Min 100
Max 10mm
Gap
THIS PROPERTY REMAINS THE PROPERTY OF SAYFA GROUP AND MAY NOT BE CHANGED WITHOUT WRITTEN
PERMISSIONFOR FURTHER INFORMATION REFER TO OUR WEBSITE AT sayfa.com.au
1029 MOUNTAIN HWY BORONIA VIC 3155
T
+61 1300 301 755
E
F
+61 1300 881 092
E
sayfa.com.au
DRG No.
DATE
Code
REV
DESCRIPTION
SENTRY GUARDRAIL SYSTEM REQUIREMENTS
4117
10/12/2020
GW300
4
M
in
9
00
625
Min 550
M
ax
4
50
M
a
x
56
0
Guardrail on Parapet
Height of guardrail must be
min 900mm from main
walking surface e.g. roof
deck.
(Unless box gutter is more
than 1000mm wide - then
height is measured from box
gutter)
Safety Below Platform or Landing
Where persons have access to or work
beneath any platform or landing, the
floor of such platform or landing shall
be designed, or provided with
protection, to prevent objects falling
through the floor reaching the area
below - Max 15mm Opening.
Use small Mesh or Checkerplate.
30
0
M
ax
(W)
5
6
7
4
1
2
3
8
Guardrail Height
Minimum height for
guardrailing is 900mm from
the walking surface.
If guardrail is more than
1100mm high, a third rail is
required
Width Between Guardrails
Horizontal distance between
guardrails, intermediate rails
or toeboards shall not be less
than 550mm.
Minimum width of walkway
must be 600mm.
Typical Guardrail Requirements (From AS1657 :2018 Standards)
Min 50mm Clearance
Guardrail on Sloping Roofs
If there is guardrail on the
edge of the roof where the
slope is 12
o
or greater, a third
rail is recommended.
Hand Clearance
The distance between the
edge of the handrail and any
adjacent structure must be
no less than 50mm.
NOTE. A Handrail provides a
handhold. eg, Stairway. This
may not be applicable when
used as a guardrail. (Barrier as
edge protection)
Guardrail on Platforms
Guardrail is not required on a platform if
the height to lower landing is less than
300mm and (W) is not more than 1000mm.
If (W) is less than 1000mm then the
guardrail height must be increased by
300mm.
If platform is higher than 300mm,
guardrailing is required on the platform.
Toeboard
A toeboard (Min 100mm) shall be installed
on the edge of a walkway which an object
could fall to where persons have access to
the area below and to the side of the
walkway.
PLATFORM
FA
LL
E
D
G
E
Box Gutter
M
in
9
00
Gap not to
exceed 15mm
M
ax
4
50
M
ax
4
50
Min 100
Max 10mm
Gap
THIS PROPERTY REMAINS THE PROPERTY OF SAYFA GROUP AND MAY NOT BE CHANGED WITHOUT WRITTEN
PERMISSIONFOR FURTHER INFORMATION REFER TO OUR WEBSITE AT sayfa.com.au
1029 MOUNTAIN HWY BORONIA VIC 3155
T
+61 1300 301 755
E
F
+61 1300 881 092
E
sayfa.com.au
DRG No.
DATE
Code
REV
DESCRIPTION
SENTRY GUARDRAIL SYSTEM REQUIREMENTS
4117
10/12/2020
GW300
4
M
in
9
00
625
Min 550
M
ax
4
50
M
a
x
56
0
Guardrail on Parapet
Height of guardrail must be
min 900mm from main
walking surface e.g. roof
deck.
(Unless box gutter is more
than 1000mm wide - then
height is measured from box
gutter)
Safety Below Platform or Landing
Where persons have access to or work
beneath any platform or landing, the
floor of such platform or landing shall
be designed, or provided with
protection, to prevent objects falling
through the floor reaching the area
below - Max 15mm Opening.
Use small Mesh or Checkerplate.
30
0
M
ax
(W)
5
6
7
4
1
2
3
8
Guardrail Height
Minimum height for
guardrailing is 900mm from
the walking surface.
If guardrail is more than
1100mm high, a third rail is
required
Width Between Guardrails
Horizontal distance between
guardrails, intermediate rails
or toeboards shall not be less
than 550mm.
Minimum width of walkway
must be 600mm.
Typical Guardrail Requirements (From AS1657 :2018 Standards)
Min 50mm Clearance
Guardrail on Sloping Roofs
If there is guardrail on the
edge of the roof where the
slope is 12
o
or greater, a third
rail is recommended.
Hand Clearance
The distance between the
edge of the handrail and any
adjacent structure must be
no less than 50mm.
NOTE. A Handrail provides a
handhold. eg, Stairway. This
may not be applicable when
used as a guardrail. (Barrier as
edge protection)
Guardrail on Platforms
Guardrail is not required on a platform if
the height to lower landing is less than
300mm and (W) is not more than 1000mm.
If (W) is less than 1000mm then the
guardrail height must be increased by
300mm.
If platform is higher than 300mm,
guardrailing is required on the platform.
Toeboard
A toeboard (Min 100mm) shall be installed
on the edge of a walkway which an object
could fall to where persons have access to
the area below and to the side of the
walkway.
PLATFORM
FA
LL
E
D
G
E
Box Gutter
M
in
9
00
Gap not to
exceed 15mm
M
ax
4
50
M
ax
4
50
Min 100
Max 10mm
Gap
THIS PROPERTY REMAINS THE PROPERTY OF SAYFA GROUP AND MAY NOT BE CHANGED WITHOUT WRITTEN
PERMISSIONFOR FURTHER INFORMATION REFER TO OUR WEBSITE AT sayfa.com.au
1029 MOUNTAIN HWY BORONIA VIC 3155
T
+61 1300 301 755
E
F
+61 1300 881 092
E
sayfa.com.au
DRG No.
DATE
Code
REV
DESCRIPTION
SENTRY GUARDRAIL SYSTEM REQUIREMENTS
4117
10/12/2020
GW300
4
M
in
9
00
625
Min 550
M
ax
4
50
M
a
x
56
0
Guardrail on Parapet
Height of guardrail must be
min 900mm from main
walking surface e.g. roof
deck.
(Unless box gutter is more
than 1000mm wide - then
height is measured from box
gutter)
Safety Below Platform or Landing
Where persons have access to or work
beneath any platform or landing, the
floor of such platform or landing shall
be designed, or provided with
protection, to prevent objects falling
through the floor reaching the area
below - Max 15mm Opening.
Use small Mesh or Checkerplate.
30
0
M
ax
(W)
5
6
7
4
1
2
3
8
Guardrail Height
Minimum height for
guardrailing is 900mm from
the walking surface.
If guardrail is more than
1100mm high, a third rail is
required
Width Between Guardrails
Horizontal distance between
guardrails, intermediate rails
or toeboards shall not be less
than 550mm.
Minimum width of walkway
must be 600mm.
Typical Guardrail Requirements (From AS1657 :2018 Standards)
Min 50mm Clearance
Guardrail on Sloping Roofs
If there is guardrail on the
edge of the roof where the
slope is 12
o
or greater, a third
rail is recommended.
Hand Clearance
The distance between the
edge of the handrail and any
adjacent structure must be
no less than 50mm.
NOTE. A Handrail provides a
handhold. eg, Stairway. This
may not be applicable when
used as a guardrail. (Barrier as
edge protection)
Guardrail on Platforms
Guardrail is not required on a platform if
the height to lower landing is less than
300mm and (W) is not more than 1000mm.
If (W) is less than 1000mm then the
guardrail height must be increased by
300mm.
If platform is higher than 300mm,
guardrailing is required on the platform.
Toeboard
A toeboard (Min 100mm) shall be installed
on the edge of a walkway which an object
could fall to where persons have access to
the area below and to the side of the
walkway.
PLATFORM
FA
LL
E
D
G
E
Box Gutter
M
in
9
00
Gap not to
exceed 15mm
M
ax
4
50
M
ax
4
50
Min 100
Max 10mm
Gap
THIS PROPERTY REMAINS THE PROPERTY OF SAYFA GROUP AND MAY NOT BE CHANGED WITHOUT WRITTEN
PERMISSIONFOR FURTHER INFORMATION REFER TO OUR WEBSITE AT sayfa.com.au
1029 MOUNTAIN HWY BORONIA VIC 3155
T
+61 1300 301 755
E
F
+61 1300 881 092
E
sayfa.com.au
DRG No.
DATE
Code
REV
DESCRIPTION
SENTRY GUARDRAIL SYSTEM REQUIREMENTS
4117
10/12/2020
GW300
4
M
in
9
00
625
Min 550
M
ax
4
50
M
a
x
56
0
Guardrail on Parapet
Height of guardrail must be
min 900mm from main
walking surface e.g. roof
deck.
(Unless box gutter is more
than 1000mm wide - then
height is measured from box
gutter)
Safety Below Platform or Landing
Where persons have access to or work
beneath any platform or landing, the
floor of such platform or landing shall
be designed, or provided with
protection, to prevent objects falling
through the floor reaching the area
below - Max 15mm Opening.
Use small Mesh or Checkerplate.
30
0
M
ax
(W)
5
6
7
4
1
2
3
8
Guardrail Height
Minimum height for
guardrailing is 900mm from
the walking surface.
If guardrail is more than
1100mm high, a third rail is
required
Width Between Guardrails
Horizontal distance between
guardrails, intermediate rails
or toeboards shall not be less
than 550mm.
Minimum width of walkway
must be 600mm.
Typical Guardrail Requirements (From AS1657 :2018 Standards)
Min 50mm Clearance
Guardrail on Sloping Roofs
If there is guardrail on the
edge of the roof where the
slope is 12
o
or greater, a third
rail is recommended.
Hand Clearance
The distance between the
edge of the handrail and any
adjacent structure must be
no less than 50mm.
NOTE. A Handrail provides a
handhold. eg, Stairway. This
may not be applicable when
used as a guardrail. (Barrier as
edge protection)
Guardrail on Platforms
Guardrail is not required on a platform if
the height to lower landing is less than
300mm and (W) is not more than 1000mm.
If (W) is less than 1000mm then the
guardrail height must be increased by
300mm.
If platform is higher than 300mm,
guardrailing is required on the platform.
Toeboard
A toeboard (Min 100mm) shall be installed
on the edge of a walkway which an object
could fall to where persons have access to
the area below and to the side of the
walkway.
PLATFORM
FA
LL
E
D
G
E
Box Gutter
M
in
9
00
Gap not to
exceed 15mm
M
ax
4
50
M
ax
4
50
Min 100
Max 10mm
Gap
Where persons have access to
or work beneath any platform or
landing, the floor of such platform
or landing shall be designed,
or provided with protection, to
prevent objects falling through
the floor reaching the area below
- max 15mm opening. Use small
mesh or checkerplate.
THIS PROPERTY REMAINS THE PROPERTY OF SAYFA GROUP AND MAY NOT BE CHANGED WITHOUT WRITTEN
PERMISSIONFOR FURTHER INFORMATION REFER TO OUR WEBSITE AT sayfa.com.au
1029 MOUNTAIN HWY BORONIA VIC 3155
T
+61 1300 301 755
E
F
+61 1300 881 092
E
sayfa.com.au
DRG No.
DATE
Code
REV
DESCRIPTION
SENTRY GUARDRAIL SYSTEM REQUIREMENTS
4117
10/12/2020
GW300
4
M
in
9
00
625
Min 550
M
ax
4
50
M
a
x
56
0
Guardrail on Parapet
Height of guardrail must be
min 900mm from main
walking surface e.g. roof
deck.
(Unless box gutter is more
than 1000mm wide - then
height is measured from box
gutter)
Safety Below Platform or Landing
Where persons have access to or work
beneath any platform or landing, the
floor of such platform or landing shall
be designed, or provided with
protection, to prevent objects falling
through the floor reaching the area
below - Max 15mm Opening.
Use small Mesh or Checkerplate.
30
0
M
ax
(W)
5
6
7
4
1
2
3
8
Guardrail Height
Minimum height for
guardrailing is 900mm from
the walking surface.
If guardrail is more than
1100mm high, a third rail is
required
Width Between Guardrails
Horizontal distance between
guardrails, intermediate rails
or toeboards shall not be less
than 550mm.
Minimum width of walkway
must be 600mm.
Typical Guardrail Requirements (From AS1657 :2018 Standards)
Min 50mm Clearance
Guardrail on Sloping Roofs
If there is guardrail on the
edge of the roof where the
slope is 12
o
or greater, a third
rail is recommended.
Hand Clearance
The distance between the
edge of the handrail and any
adjacent structure must be
no less than 50mm.
NOTE. A Handrail provides a
handhold. eg, Stairway. This
may not be applicable when
used as a guardrail. (Barrier as
edge protection)
Guardrail on Platforms
Guardrail is not required on a platform if
the height to lower landing is less than
300mm and (W) is not more than 1000mm.
If (W) is less than 1000mm then the
guardrail height must be increased by
300mm.
If platform is higher than 300mm,
guardrailing is required on the platform.
Toeboard
A toeboard (Min 100mm) shall be installed
on the edge of a walkway which an object
could fall to where persons have access to
the area below and to the side of the
walkway.
PLATFORM
FA
LL
E
D
G
E
Box Gutter
M
in
9
00
Gap not to
exceed 15mm
M
ax
4
50
M
ax
4
50
Min 100
Max 10mm
Gap
THIS PROPERTY REMAINS THE PROPERTY OF SAYFA GROUP AND MAY NOT BE CHANGED WITHOUT WRITTEN
PERMISSIONFOR FURTHER INFORMATION REFER TO OUR WEBSITE AT sayfa.com.au
1029 MOUNTAIN HWY BORONIA VIC 3155
T
+61 1300 301 755
E
F
+61 1300 881 092
E
sayfa.com.au
DRG No.
DATE
Code
REV
DESCRIPTION
SENTRY GUARDRAIL SYSTEM REQUIREMENTS
4117
10/12/2020
GW300
4
M
in
9
00
625
Min 550
M
ax
4
50
M
a
x
56
0
Guardrail on Parapet
Height of guardrail must be
min 900mm from main
walking surface e.g. roof
deck.
(Unless box gutter is more
than 1000mm wide - then
height is measured from box
gutter)
Safety Below Platform or Landing
Where persons have access to or work
beneath any platform or landing, the
floor of such platform or landing shall
be designed, or provided with
protection, to prevent objects falling
through the floor reaching the area
below - Max 15mm Opening.
Use small Mesh or Checkerplate.
30
0
M
ax
(W)
5
6
7
4
1
2
3
8
Guardrail Height
Minimum height for
guardrailing is 900mm from
the walking surface.
If guardrail is more than
1100mm high, a third rail is
required
Width Between Guardrails
Horizontal distance between
guardrails, intermediate rails
or toeboards shall not be less
than 550mm.
Minimum width of walkway
must be 600mm.
Typical Guardrail Requirements (From AS1657 :2018 Standards)
Min 50mm Clearance
Guardrail on Sloping Roofs
If there is guardrail on the
edge of the roof where the
slope is 12
o
or greater, a third
rail is recommended.
Hand Clearance
The distance between the
edge of the handrail and any
adjacent structure must be
no less than 50mm.
NOTE. A Handrail provides a
handhold. eg, Stairway. This
may not be applicable when
used as a guardrail. (Barrier as
edge protection)
Guardrail on Platforms
Guardrail is not required on a platform if
the height to lower landing is less than
300mm and (W) is not more than 1000mm.
If (W) is less than 1000mm then the
guardrail height must be increased by
300mm.
If platform is higher than 300mm,
guardrailing is required on the platform.
Toeboard
A toeboard (Min 100mm) shall be installed
on the edge of a walkway which an object
could fall to where persons have access to
the area below and to the side of the
walkway.
PLATFORM
FA
LL
E
D
G
E
Box Gutter
M
in
9
00
Gap not to
exceed 15mm
M
ax
4
50
M
ax
4
50
Min 100
Max 10mm
Gap
Horizontal distance between
guardrails, intermediate rails or
toeboards shall not be less than
550mm.
Minimum width of walkway must
be 600mm.
Minimum height for guardrail is
900mm from the walking surface.
If guardrail is more than 1100mm
high, a third rail is required
The distance between the edge of the
handrail and any adjacent structure
must be no less than 50mm.
A Handrail provides a handhold. eg,
Stairway. This may not be applicable
when used as a guardrail. (Barrier as
edge protection)
Guardrail is not required on a platform
if the height to lower landing is less
than 300mm and (W) is not more than
1000mm. If (W) is less than 1000mm
then the guardrail height must be
increased by 300mm.
If platform is higher than 300mm,
guardrail is required on the platform.
Height of guardrail must be min
900mm from main walking surface
e.g. roof deck.
(Unless box gutter is more than
1000mm wide - then height is
measured from box gutter)
A toeboard (Min 100mm) shall be
installed on the edge of a walkway
which an object could fall to
where persons have access to the
area below and to the side of the
walkway.
11
Kattsafe / Guardrail / Installation manual
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