It is not permitted by Gas Safe Register for unqualified people to fit boilers, flues and gas pipe and then someone registered to come along separately and sign it off.
Will you please point to the law that says so?
There isn't one, building control will happily approve your own handiwork.........for a substantial fee.
Don't they send around a Gas Safe man who is on their "approved" list to inspect. They do that with unvented cylinders, by sending out a G3 man. They do not have their own men as such. A Building Control Officer can sign an unvented cylinder off and they do. They do it when selfbuilders install their own unvented cylinders. The BCO man is being paid for by the selfbuilder.
What I have seen on a number of clustered new builds is that unregistered men fit all, rads, pipes, boilers, flues, unvented cylinders, etc. They are just bits of metal until commissioned. They fill up with water and put in the X-100 in the radiators. Most installations are the same in each house, so easy after the first. NO heat is applied to the unvented cylinder. They cap off the gas pipe at the meter position and install a test nipple on the pipe at the boiler. They air test the gas installation, then cover over the pipes in screed, etc. The BCO signs off the unvented, not a G3 man. The Gas supplier fits the meter and tests with gas in the pipes. A Gas Safe man commissions and signs off the boiler.
Drivel, a BC inspector is a) Not G3 qualified & b) Would not complete the Unvented cylinder Benchmark.
It's a Benchmark that should be completed by the qualified installer. As confirmed by Kingspan Tribune's Tech Department on Friday.
It is not drivel. I have seen the BCO sign them off. Page 38:
All installations must be notified to Local Area Building Control either directly or through a Competent Persons Scheme. A Building Regulations Compliance Certificate will then be issued to the customer who should, on receipt, write the Notification Number on the Checklist.
I have seen BCOs sign them off on site, seeing the operation of the controls. The BCO is the 3G man, he is the ultimate. You are on about how the makers interpret it. A BCO signing one off is enough, the ultimate. This will probably not affect many who read this forum. On a site with many dwellings the BCO will sign unvented cylinders off, a G3 man not needed.
In normal circumstances when an unvented cylinder is fitted into a lived in home, then a G3 man has to do the lot, unlike with gas. There was a loophole in the law that allowed pressurised unvented thermal stores with only a 3bar PRV. I
think that has now been plugged and it falls into G3.