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Chart 1: Additional Fall Clearance Due to Swing Fall (meters): Overhead, Non-Leading Edge Condition
15.2
0
0
13.7
0
0
12.2
0
0
10.7
0
0
9.1
0
0
7.6
0
0
6.1
0
0
4.6
0
0
3.0
0
0
1.5
0
0
0.3
Dorsal
0
0.6
1.2
D-Ring
0
0.6
1.2
X-Axis: Lateral Work Zone (m)
Using Chart 1 to Find Additional Fall Clearance: Overhead, Non-Leading Edge
0.6 m (2 ft) increments along the X-Axis represent the
distance the user is working away from being directly
To find the additional Fall Clearance needed to compensate for potential Swing Fall, note the starting location on
Chart 1 titled Dorsal D-Ring
Example:
If the user needs to work 5.5 m (18 ft) away from directly under the SRD, the SRD needs to be anchored at least
10.7 m (35 ft) above the user's Dorsal D-Ring therefore, 1.2 m (4 ft) of additional clearance should be added to the
Sub-Total calculation in Figure 3.
Example:
If the only suitable overhead Anchorage for the SRD is 15.2 m (50 ft) above the user's Dorsal D-Ring, the maximum
allowable work zone is 6.1 m (20 ft) away from directly overhead therefore, 0.6 m (4 ft) of additional fall clearance
should be added to the Sub-Total calculation in Figure 3.
Key to Work Zone Areas:
CMSRL01 Rev A
0
0
0.3
0.3
0.3
0
0
0.3
0.3
0.6
0
0
0.3
0.3
0.6
0
0.3
0.3
0.3
0.6
0
0.3
0.3
0.6
0.6
0
0.3
0.3
0.6
0.9
0
0.3
0.6
0.6
0.9
0
0.3
0.6
0.9
1.2
0
0.6
0.9
1.2
1.8
0.9
1.2
1.8
2.4
1.8
2.4
3.0
3.7
1.8
2.4
3.0
3.7
under the SRD
Allowable Use Area
0.6
0.6
0.9
1.2
1.5
0.6
0.9
0.9
1.2
1.5
0.6
0.9
1.2
1.5
1.8
0.9
0.9
1.2
1.5
1.8
0.9
1.2
1.5
1.8
2.1
1.2
1.5
1.8
2.1
2.4
1.2
1.8
2.1
2.4
3.0
1.8
2.1
2.4
3.0
3.7
2.1
2.7
3.4
3.7
4.3
3.0
3.7
4.3
4.9
5.5
4.3
4.9
5.5
6.1
6.7
4.3
4.9
5.5
6.1
6.7
1.5 m (5 ft) increments up the Y-Axis represent the SRD
Anchorage height above the user's Dorsal D-Ring
Cautionary Use Area
022120
1.5
1.8
2.1
2.4
2.7
1.8
2.1
2.4
2.7
3.0
2.1
2.4
2.7
3.0
3.4
2.1
2.7
3.0
3.4
3.7
2.4
3.0
3.4
3.7
4.3
3.0
3.4
4.0
4.3
4.9
3.4
4.0
4.3
4.9
5.5
4.0
4.9
5.2
5.8
6.1
4.9
5.5
6.1
6.7
7.3
6.1
6.4
7.0
7.6
8.2
7.3
8.0
8.5
9.1
9.8
7.3
8.0
8.5
9.1
9.8
Not Allowed Use Area
3.0
3.7
3.4
4.0
3.7
4.3
4.3
4.9
4.9
5.2
5.2
5.8
5.8
6.4
6.7
7.3
7.6
8.2
8.8
9.4
10.4
11.0
10.4
11.0
8
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