Scaffolding

MGP Roofing

Here in NZ, on new work,the main contractor normally supplies the scaffolding, for re-roofs either the h/o or ourselves have to arrange for it. Often we suggest to the h/o that they get any other work that needs it, e.g painting, done while its setup.

I own a couple sets of H frame which is good for single storey, steep roofs, a scaffolding company does everything else.

The first 2 pics show how its usually done, guardrail all round for lower pitches, 3 planks just below fascia for steep pitches though some builders do this anyway which is a nice touch.

Unfortunately we do have a high incidence of dangerous/inadequate/nonexistent scaffolding as well, like in the last 2 pics. on the job in the 3rd pic, the carpenters couldn't even get the fascia on in some areas, nearly everywhere we had problems getting the roof on because the scaffolding was way too close to the building. The group of Asians who erected it couldn't use a tape measure, as well as having built it to suit themselves i.e 1.8m from the top of one plank to the bottom of the ones on the next level. Thats a problem for 90% of tradespeople around here! And they wouldn't come back to fix it, another company had to rebuild it later. Also, that star system is the worst i've ever come across, far too many snags for our air hoses and too hard to build it how you want.

The last one was done with a static wire rope fixed along the ridge to which we attached our safety ropes. That 2500 sq metre job took twice as long as it would have with scaffolding. And the carpentry contractor had to build his own wooden scaffold to do all the soffits and fascia work. Would've been much more cost effective to do it properly to start with!

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dealfiles

I just wanted to thank MGP for sharing those photos. Even though he's in NZ, the practice remains the same, and I learned a lot just by viewing his pics.

RoofingSafety

Roof jacks serve several purposes including being a slide guard. However, they can also be used for other reasons:

• level working/standing platform
• secure place to set down supplies/tools/materials (without sliding)
• set up along the roof eave to stop/collect roof debris from shooting off the roof or damaging the gutters

charlwat27

Considerations for roof work

• Perform a risk assessment – identify the risks that will be encountered before performing the specific tasks required for the job.
• Getting on and off the roof – this is a major risk point, a secure way to enter and exit the roof is essential.
• Fall arrest system – a fall arrest system is required if a worker may fall from an elevated position. As a general rule, the fall arrest system should be used if the working height is greater than six feet. (Refer to the “Fall Protection” tailgate topic for further information.)
• Falling Material – maintain good housekeeping on the roof to stop material that could fall.
• Training – roof workers need the knowledge, skills and experience to work safely.
• Weather conditions – work should not occur during icy, rainy, or windy conditions. You can easily be blown off a roof when carrying roofing materials.
• Ladders and scaffolding – make sure they are structurally sound and installed properly. If you have questions, talk to your supervisor.