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If you will give it a thought. It is cut through acetylene torch. Meaning the cut is uneven, hence the weld is uneven. Gets? If you will weld it yourself and and surfaces are uneven, you can do better than it? I know the moment strength is in the flange but for the welders here, the web is...

The reason I brought up welding was because I wanted to know if you were supposed to weld the pole at baseplate in the field or at factory. In my place, we always weld them on site. https://imagizer.imageshack.com/img922/4273/TtUtnh.jpg https://imagizer.imageshack.com/img924/2500/AshiVN.jpg...

Yes I feel the sky falling at least in one of my projects. We haven't mentioned the lamp pole weld. But these same welders did the steel carpark and my project and here is the result: https://imagizer.imageshack.com/img922/4225/tm3QIu.jpg https://imagizer.imageshack.com/img924/4541/B7lbWd.jpg...

I pass by that lamp pole daily, and sometimes worry about it. We are now in semi lockdown because of wide spread covid so can't report it yet. And if I'll report it. I have to park in our city hall steel parking. What do you think of their parking column baseplate and pedestral? Perfect...

3 feet of anchor is pretty deep. How could 3 feet anchors even suffer concrete cone breakout, pullout or side face blowout? In the plan you provided, where are the ties or stirrups locations? What don't all just use 3 feet anchors for enough safety margin for tension and shear (even if...

I went back to the lamp pole and no one around so took some shots. This is closer picture of it: https://imagizer.imageshack.com/img922/4273/TtUtnh.jpg this is picture of the gap with something like shim inserted (background removed to protect location)...

This sunday when there is no more police car nearby (they love to park near it). I'll take closer look at the baseplate. I have to learn how to look like just texting in cell phone when I will take picture. I don't want them to review cctv and think I damage it when it falls down in the future...

I went back to the lamp pole but there was police car nearby patrolling and I don't want to get out of car and take a closer shot, because he might think I plan to destroy the pedestal. But looking at the other side from the car, It looked ok and I think it is just that particular bolt that has...

We have hundreds of such street lights and identical pedestal and baseplate design. I'll take a look at other poles to see their conditions.

If you built solid concrete or thick concrete masonry firewall with concrete roofing. You are sure it will be rated at least 2 hours. Now imagine you use gypsum x wall cladding and gypsum x cladding. What if the tenant one day without you knowledge removed a panel to insert a lighting fixture or...

Notice the nut in the right side is nearer the bolt end. Do you think it just unscrewed slowly? or it's the original position of the nut?

I was driving today and saw this streetlamp with damages in pedestal and baseplate: https://imagizer.imageshack.com/img923/4829/fqhLQo.jpg https://imagizer.imageshack.com/img922/8139/PY6ffn.jpg What kind of failure mode is it exactly? How many days or weeks do you think before the lamp post...

Thanks. Can you use the drain pipe fire collar over the ceiling gypsum x fire rated board? If not, how will you seal the pipe passing through this fire rated ceiling? https://imagizer.imageshack.com/img923/2609/mYvGOS.jpg

Let's say you already put up a 4 hour rated firewall with parapet and you make the roof and ceiling 1 or 2 hour fire rated. How do you deal with a 4" plastic or pvc rain gutter drain pipe like the following? Are there also fire rated drain pipe? How thick should it be? Let's say the drain is...

It's not hijacking. Just warning that if it required a firewall. Better to use RC beams, because it's extremely difficult to mix exposed steel I-beam and concrete firewall. Now we have to remove all the baseplates, I-Beams, Rafters, Roof, everything and starts chipping column to put RC Beams...

hoshang, Is the edge beam right in the property line to the next building? If so, don't forget about the Firewall requirements of 6 hour fire rating. The engineering designer of a building I'm handling now forgot about this years ago. They put baseplate and I-beam on top of column but it's...

summary: We don't have any bond beam blocks in the whole country, never used them before. https://imagizer.imageshack.com/v2/800x600q90/923/6CyXYk.jpg What we use are only concrete hollow blocks exactly like the following: https://imagizer.imageshack.com/img924/2371/ABCfTg.jpg...

Let me detail what I meant by horizontal beam you didn't mention PhemENG but then I think others may not be doing it too. The old contractor habit is to put horizontal stiffiner beam at the 2 meter height (see green arrow) if the CHB (concrete hollow block) wall height is 3 meters even the...

https://imagizer.imageshack.com/v2/800x600q90/922/7x79K2.jpg Before putting a whole new concrete or masonry filled hollow blocks. I will let expert welders put plates all over the I-beam splices more than enough to strengthen and resist or brace the wall beside it (no load above the I-beam and...

This was supposed to be a separate thread how to connect new wall to the old slab but PhemENG himself commented in the new thread there was this old thread, hence no one replied to the new one. So let me put them here now. I'll reword everything to make it brief and precise. First is there no...