14
Table 3 - Required Clearance for One or Two Workers Connected to the
System with a 3M Fall Protection Self Retracting Lifeline (See Figure 6).
Span Lenght
in feet
Required Clearance Below
Working Level for One Worker
Required Clearance Below
Working Level for Two Workers
0-10
(0-3.05)
7’-11”
(2.41)
8’-11”
(2.72)
10-15
(3.05-4.57)
8’-2”
(2.49)
9’-7”
(2.92)
15-20
(4.57-6.10)
8’-5”
(2.57)
10’-3”
(3.12)
20-25
(6.10-7.62)
8’-8”
(2.64)
10’-10”
(3.30)
25-30
(7.62-9.14)
8’-10”
(2.69)
11’-6”
(3.51)
30-35
(9.14-10.67)
9’-1”
(2.77)
12’-2”
(3.71)
35-40
(10.67-12.19)
9’-4”
(2.84)
12’-9”
(3.89)
40-45
(12.19-13.72)
10’-3”
(3.12)
14’-2”
(4.32)
45-50
(13.72-15.24)
11’-3”
(3.43)
15’-6”
(4.72)
50-55
(15.2-16.76)
12’-2”
(3.71)
16’-11”
(5.16)
55-60
(16.76-18.29)
13’-2”
(4.01)
18’-3”
(5.56)
60-65
(18.29-19.81)
14’-2”
(4.32)
19’-8”
(5.99)
65-70
(19.81-21.34)
15’-1”
(4.60)
21’-0”
(6.40)
70-75
(21.34-22.86)
16’-1”
(4.90)
22’-5”
(6.83)
75-80
(22.86-24.38)
17’-0”
(5.18)
23’-9”
(7.24)
80-85
(24.38-25.91)
18’-0”
(5.49)
25’-2”
(7.76)
85-90
(25.91-27.43)
19’-0”
(5.79)
26’-6”
(8.08)
90-95
(27.43-28.96)
19’-11”
(6.07)
27’-11”
(8.51)
95-100
(28.96-30.48)
20’-11”
(6.38)
29’-3”
(8.92)
Meters are shown in parenthesis
