Kattsafe RL424 Installation Manual Download Page 11

AUSTRALIAN STANDARDS 

SUMMARY 

Figure 1

Rung type ladder 70° - 90° 

Preferred angle - 75°

Application suitable for heights 2.0m or 
less.

Figure 2

For ladders over 3.5m, fall protection is 
recommended. Angled ladders - cage 
protection is preferred. 2.0m lead-on kit 
required if over 2.0m in height.

Figure 3

For ladders over 3.5m, fall protection 
is required. Vertical ladders, harness 
based fall arrest system is preferred. 
Note: This system must only be used if 
angled ladder system is not practicable. 
User competency training is required.

Figure 4

For ladders over 6m, a change in 
direction platform is required. Vertical 
ladders, a rest platform is required at 
maximum 6m intervals. 

Figure 5

Ladder cage must be 2000-2200mm 
from base of ladder.

Figure 6

Minimum 200mm clearance required 
from back of rung to wall.

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

Figure 7

There shall be a minimum of 50mm 
hand clearance on the sides of the 
ladder except at the points where the 
brackets are attached to the ladder.

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

Figure 8

There must be a minimum of 200mm 
clearance behind the ladder (except 
for top rung). There must be 750mm 
clearance in front of the ladder and 
700mm minimum width clearance.

Figure 9

When walkway or landing is installed, 
there shall be a 50 - 100mm gap or no 
gap. 

(Diagram shows no gap)

Figure 10

Top of rung must be level with landing 
(for any ladder).

Figure 11

Difference in height no more than 
300mm (single step) or 450mm with an 
additional intermediate step.

Figure 12

All rung spacing to be equal. Distance 
from base landing to 1st rung can be 
270 - 300mm.

Figure 13

Top and lower landings required if roof 
pitch is not level or is an uneven surface.

 

– Top landing requires levelling after 3° 

in both directions.

 

– Lower landing requires levelling after 

7° across slope but 3° inline.

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

Figure 14

Guardrail protection is required on at 
least 3 sides of a roof access hatch.

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

4

269

1

Rung type ladder 70° - 90°

Preferred Angle - 75°

Application suitable for 

heights 2.0m or less.

For ladders over 3.5m, fall 

protection is 

recommended. Angled 

ladders - Cage Protection is 

preferred.

2.0m lead-on kit required if 

over 2.0m in height.

For ladders over 3.5m, fall 

protection is required. 

Vertical ladders, harness 

based fall arrest system is 

preferred. Note: This system 

must only be used if angled 

ladder system is not 

practicable. User competency 

training is required.

Minimum 200mm clearance 

required from back of rung 

to wall.

Minimum 200mm clearance 

required from back of rung 

to wall.

There shall be a minimum of 

50mm hand clearance on 

the sides of the ladder 

except at the points where 

the brackets are attached 

to the ladder.

2

3

4

5

6

8

Landing to Top Rung

When walkway or landing is 

installed, there shall be a 50 - 

100mm gap or no gap.

(Diagram shows no gap)

Top of rung must be level with 

landing (for any ladder).

Difference in height no more 

than 300mm (single step) or 

450mm with an additional 

intermediate step.

Rung Spacing

All rung spacing to be equal. 

Distance from base landing 

to 1st rung can be 270 - 

300mm.

Top and lower landings 

required if roof pitch is not 

level or is an uneven surface.

- Top landing requires

levelling after 3° in both

directions

- Lower landing requires

levelling after 7° across slope

but 3° Inline

Roof Hatch Access

Guardrail protection is 

required on at least 3 sides of 

a roof access hatch.

9

10

11

12

13

14

75°

3500m+

2000 - 2200

Min 200

Min 50

50-100 or 0mm

50 - 100mm Gap or 0mm

to prevent pinching

LANDING

MAX 300

0.9 x Spacing

=

=

=

270 - 300

2000 or less

3500m +

6m Max

For ladders over 6m, a change 

in direction platform is required.

Vertical ladders, a rest 

platform is required @ max 6m 

intervals.

7

There must be a minimum of 

200mm clearance behind 

the ladder (except for top 

rung). There must be 750mm 

clearance in front of the 

ladder and 700mm 

minimum width clearance.

MIN 50

700

750

MIN 200

11

Kattsafe / Modular ladder cage / Installation manual

Copyright, trademarks and product codes are property of Kattsafe. 
Patents and design registrations may apply to these products.

Summary of Contents for RL424

Page 1: ...INSTALLATIONMANUAL MODULAR LADDERCAGE RL424...

Page 2: ...ed areas such as roof tops ceiling spaces and maintenance platforms Find all related products and resources on our website kattsafe com au Installation manual Modular ladder cage Product brochure Rung...

Page 3: ...attsafe recommendations fulfill current workplace requirements for the safety of building maintenance subcontractors employees and the general public For more information please contact Kattsafe katts...

Page 4: ...lling required Modular landing Supplied with AS1657 compliant mini mesh with ability to mount to concrete or metal cladding Ladder support landing Prefabricated unit for simple installation RUNG LADDE...

Page 5: ...fall arrest system Angled caged rung ladder Primary access to ceilings and main roof areas up to 6 0m and access between varying roof levels above 3 5m 5 Kattsafe Modular ladder cage Installation man...

Page 6: ...00mm 4 47 5kg CONFIGURATIONS CAGE TYPE CODE CAGE LENGTH TO SUIT LADDER HEIGHT VERTICAL NO OF HOOPS WEIGHT LD424M 1000 1000mm 1000 2200mm 2 9 5kg LD424M 2000 2000mm 2000 3200mm 3 19 0kg LD424M 3000 300...

Page 7: ...l 6mm 10mm metal drill bit Drop saw Pitch meter Gesipa riveter Tape measure Marking pen 7 Kattsafe Modular ladder cage Installation manual Copyright trademarks and product codes are property of Kattsa...

Page 8: ...n writing from the manufacturer 5 Conduct an initial work risk assessment and take all reasonable precautions to eliminate or control potential hazards and risks during the installation of this produc...

Page 9: ...ine or any acidic liquids 6 Ladder landings must be provided at the base and top of ladders if entry and exit surface is uneven or not level 7 This system under normal use and environment has a life e...

Page 10: ...ed and therefore is least preferred compared with a higher hierarchy requiring minimal operator skill and less risk of operator injury as a result of incompetence Professional guidance on the design a...

Page 11: ...700mm minimum width clearance MIN 50 700 750 MIN 200 Figure 8 There must be a minimum of 200mm clearance behind the ladder except for top rung There must be 750mm clearance in front of the ladder and...

Page 12: ...ate 2 3 4 5 SAYFA SYSTEMS CONFIDENTIAL MATERIAL This drawing is copyright and all rights are reserved The design and specifications contained herein are confidential and the property of SAYFA SYSTEMS...

Page 13: ...ent by SAYFA Drawing No By Rep 14 5 2013 3563 MV Update details Replace Hoop Drg update Drg Update XX 3 05 15 RP 3 05 15 2 7 15 MV 11 5 16 MV Modular Ladder Cage with Adjustable Extrusion Aluminium Ma...

Page 14: ...operated impact driver to secure firmly Ensure the strap rounded face is attached on the inside of the cage hoop Nut Outside Cage Inside Cage Domed Bolt 1 REVISIONS REMARKS Date 2 3 4 5 SAYFA SYSTEMS...

Page 15: ...0 700mm 750mm STEP 9 Attach number 5 strap to intermediate and end cage hoops 13 INSTALLATION PROCEDURE STEP 7 Attach number 2 strap to intermediate cage hoop STEP 8 Attach number 2 strap to lower end...

Page 16: ...lt 1 REVISIONS REMARKS Date 2 3 4 5 SAYFA SYSTEMS CONFIDENTIAL MATERIAL This drawing is copyright and all rights are reserved The design and specifications contained herein are confidential and the pr...

Page 17: ...s to intermediate and end cage hoops STEP 12 Once all straps are connected to the ends and intermediate cage hoops the system is ready to be attached to the ladder Drill a 10mm hole through the ladder...

Page 18: ...e cage gate lug using 2 M8 x 20mm cup bolts Ensure the domed head of the cup bolt is facing the inside of the cage to avoid injury to users LD425 Ladder Cage Gate LD423 10 KATT Ladder Cage Gate Lug Ki...

Page 19: ...ons of ecure 5 cup bolts secure 1 per cage hoop ment arm 5mm bulb type rivets secure ate locking tab secure to 2200 mm clearance from lower landing to ntry m extension above ladder exit platform er in...

Page 20: ...etermined by a engineer unless it is clear to a competent person prior to installation Vertical line fall arrester must be only used with the fall arrest device and harness system incorporation front...

Page 21: ...avellers fall arrestors etc will void warranty Systems components used for purposes other than their intended use will void warranty General wear and tear is expected and will depend on the frequency...

Page 22: ...toria 3155 Australia 1300 301 755 sales kattsafe com au kattsafe com au Find all related products and resources on our website kattsafe com au Installation manual Modular ladder cage Product brochure...

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