Correct Anchorage Positioning:
This chart details allowable working zones required
to reduce risk of swing falls and improper side loading.
ALWAYS adhere to information specified by chart.
Anchor Distance
Working Distance
From
Along Roof Edge
Leading Edge (Y)
(Either Direction) (X)
6'
10'
9' - 9"
15'
11' - 7"
20'
13' - 3"
25'
14' - 6"
30'
16'
35'
17' - 2"
40'
18' - 3"
45'
19' - 4"
50'
19' - 10"
55'
21' - 4"
60'
22' - 3"
For example, if the anchorage connector is 6 feet from the leading
edge (Y), the working distance (X) is 8' in each direction from
the perpendicular, which translates to a 53° working angle.
Components and Specifications
Made from galvanized steel, polyester, and stainless steel OR aluminum components.
Part #
Length
11002
6'
11003
6'
11004
6'
6'
11012
Example Impact
Indicator (undeployed)
Working Angle
From
Perpendicular (Ø)
8'
53°
45°
38°
33°
30°
28°
26°
24°
23°
21°
21°
21°
Double Blow Blocker Web SRL w/High Strength Aluminum Snap Hooks
Double Blow Blocker Web SRL w/High Strength Aluminum Rebar Hooks
Double Blow Blocker Web SRL w/High Strength Steel Snap Hooks
Double Blow Blocker Web SRL w/High Strength Steel Rebar Hooks
Connector
(show with Snap Hooks)
Key:
X: Working Distance
Along Roof Edge
Y: Distance From
Y
Leading Edge
Ø: Total Working
Angle
Description
Carabiner Connection Point
Lifeline
Ø
X
Lifeline Housing
7
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