Roof Tie Off Spacing
Typical rafter spacing codes will specify a minimum spacing of 16 inches 19 2 inches or 24 inches.
Roof tie off spacing. 2 such devices should be spaced at approximately 12 foot intervals. What kind of solid objects can be used to tie a sling to. If your local building authority has a rafter spacing code you may not space rafters wider than required by code. A strong living tree with a large diameter.
To get additional information and request quotes contact cai safety at 951 465 7386. We offer a full range of roof fall prevention fall arrest and fall restraint systems around leading edges openings hatches skylights and ladders. 3 1 2 galvanized schedule 40 pipe 4 od works with occasional diagonal braces at moderate spacing. Rafter tie or collar tie spacing intervals connection specifications.
Rafters must be strong enough to hold the roof sheathing and the shingles. Both permanent and temporary roof anchor points are available. Minimum edge distance for roofing work. 6 is the minimum distance from the edge of the roof or from a hole in the roof at which you must erect a warning line during roofing work if a warning line is your fall protection of choice.
A sling is a polyamide strap that is tied around a secure object at the opposite side of the work location on the sloping roof. On a two story house you can usually tie the ledger into a band joist also called a rim joist located between the floors as shown below. Depending on the roof design and the roof rafter spacing. Low slope roof 4 12 slope or less.
Building codes such as the icc s 2012 international building code section 2308 10 roof and ceiling framing typically specify that where rafter ties are used they are required at intervals ranging from 12 to 24 o c. Anchor points are usually installed on the roof and are used to connect lanyards lifelines and other forms of tie off which prevent a worker from falling. Protection strategies for roofing operations. Roof anchors can be as simple as a d ring connection or as complex as a complete lifeline system.
The safety hook at the end of the rope which runs over the sloping roof is connected to the sling. However the spacing shall depend primarily on the availability of roof structural framing members of sufficient strength to safely carry applied loads. Employers need to plan ahead to get the job done safely employers need to develop a plan and ensure the proper equipment material and appropriately trained workers are available. Know the pitch of the roof and follow the appropriate standard.