Thrashsmith
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I'm working on a well cover at the minute & because of the construction method (riveted steels that sort of weave) & because it's made from 30 x 6mm flat bar rolled on edge (manually by me) I thought it might be of interest to some.
I'm a fair way through it but still got to do a few bits and bobs, including removing all the bolts to replace with rivets. I've been putting the odd video of the making on YouTube & taking production progress snaps. The idea of the hatch design is so that my clients can lower in their well pump & close the hatch back down without the hatch pinching on the pump hose. It was mutually designed, I started the ball rolling with a few ideas & we went from there.
The flat bar in the hatch was bent hot & the smallest diameter hoop of the 4 outside hoops was rolled nearly all the way, then finished off hot.
I'm a fair way through it but still got to do a few bits and bobs, including removing all the bolts to replace with rivets. I've been putting the odd video of the making on YouTube & taking production progress snaps. The idea of the hatch design is so that my clients can lower in their well pump & close the hatch back down without the hatch pinching on the pump hose. It was mutually designed, I started the ball rolling with a few ideas & we went from there.
The flat bar in the hatch was bent hot & the smallest diameter hoop of the 4 outside hoops was rolled nearly all the way, then finished off hot.
Can I ask if the bolts were left that length, or were they cut/trimmed later? 
That'll teach me to remember what I read - I'd assumed [foolishly] that the last pic was the complete article 
