Safety Knights

Do you know the impact rating or strength of the skylight panels?

Since the parapets are 4 feet tall, they could serve as guardrails for people on the roof, so no additional guarding would be needed for people standing on the roof.

If people are getting up there to caulk or do whatever else, the first thing I'd want to address is the question above regarding the strength/rating of the skylight panels. If it's not sufficient strength, I'd first ensure they put the proper panels in there in case someone accidentally falls and hits the glass so they don't fall through. Aside from that, OSHA requires skylights to be protected by covers that will withstand twice the anticipated weight, guardrails, or personal fall protection, which the last 2 options aren't relevant if they're on top of the skylights themselves.

They could put appropriately-rated covers (grating, bars, etc.) over the skylight panels for the people climbing them, but not sure they'll want to do that if they rely on the skylights for natural lighting since it'll block most of that light.

I know this, you could not pay me enough to get me on those sky lights, I do not care what they are rated at! I am not terrified of heights, but do not like them either! I will not even get on an extension ladder to clean my second floor gutters! That is one of the reasons God made Son-Laws!!! Thank you Lord!

1. Anyone observed on those skylights without proper engineering, work practice controls or PPE should be given a stern talking to...
2. Signage. With the 4 foot barricade being integral to the skylight, I think another offset barricade to make someone think twice would be beneficial.
3. Talk to the maintenance or head operations person who has the original drawings of the building, if they exist (they usually don't) to see the data you need. Or, see if there is a makers mark or placard on the skylight that the internet can save the day.

Google Miller Sky Orb. This has helpful info:

https://simplifiedsafety.com/skylight-fall-protection/

My solution would be to identify what the light can hold, install signage and do an additional barricade. We can't see the far side, maybe an articulating knuckle boom could get the guy into position to do what he needs to do on the sky light? You could also consider systems scaffolding to build a "pirates" plank so they could reach the work area without walking on the glass. Just some ideas. Even if the weight would hold, I wouldn't much consider a FP solution involving walking on it...direct sunlight over time... I wouldn't trust it. This is a tough one where if I worked their i would bring a FP vendor or Scaffolding vendor come to the site, describe the work and let them wow you. Sometimes the best solution is to call the sales guy who knows his product and what it can address.