Rank: Forum user 
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I am looking for ideas regarding protection at roof level where the work consists of replacing the roof coverings to a mid terrace property with a scaffold at both font and back. One idea is to run scaffold tubes parallel to the roof and fix one end to the had rail and the other supported by a small A frame constructed out of tube and fittings. Whilst I understand that it will not meet the WAHR it is more there to act a physical and visual barrier to stop an operative walking onto the adjoining roof and ending in an unprotected area.
Your thought and ideas will me most appreciated
Regards
PaulR
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Rank: Super forum user
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It sounds as if the people who are going to do this work are not experienced roof workers? They should be competent at working on the roof before they are used and must be reminded of the work area and told not to go outside the designated work area in any circumstances. You say you already have scaffold in from and rear, have you considered marking the area of work with scaffold over the roof to indicate the work limit, this would not be supporting anything just acting as a limit marker.
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Rank: Super forum user 
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Hi Paul,
I think your choices are limited to (a) extending the front /back scaffold to mitigate a fall in the circumstance you describe, (b) intrusive fixings at the step gable to provide for effective edge protection or (c) a hybrid of (a) and (b) with an edge protection extending up and down the pitch, fixed front and back with rest plates on the adjacent roof.
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Rank: Super forum user 
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Paul, the answer may be to extend (with permission of the householders) the scaffolding to partially cover the edges of the adjacent terraced properties, so if anyone should fall they would still have fall protection from the tube scaffold. The areas outside of the scaffolding would be identified as an exclusion zone where workers cannot go without extra fall protection ie harness and lanyard.
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Rank: Super forum user
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Paul, Ray, my assumption thus far is that we are talking about major refurb. or replacement of terraced pitched roofs (slate/tile). As with any roof, the work necessarily involves work at the edges, so "no go" areas are not really practicable. Similarly, on pitched roofs, the use of harnesses, anchors etc. are unworkable.
The best we can usually achieve in WAHR compliance in this work is to mitigate the effect of the fall.
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Rank: Super forum user
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Ron, okay I will bow to your superior knowledge on this one. Although harnesses and lanyards can still be used on pitched roofs, I also accept it is a difficult and clumsy exercise using them.
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