Can anybody in the business explain why these metal plates became so ubiquitous?

  1. At my last job I worked along side Citipower at sites in Melbourne. Usually if those plates are there long ish term they're hiding a massively complex trench with all sorts of services in them. Some nights they open them up to continue work other times they lay dormant for months due to other works in the project that need to be completed first to continue. Here's some hectic pics

  2. I worked for Citipower, and we would excavate the road to expose high voltage power cables, that we would then cut into and join new cables onto (basic explanation) to run power to new infrastructure. These plates would be removed at night, more excavation or the actual cable jointing process, and then replaced before traffic resumes in the mornings. Usually would stay there for a week or 2 at them most, occasionally longer periods for more complex works.

  3. Are those metal plates waterproof, or does that pit flood when it's raining heavily? Or does it have drainage

  4. Looking at the second photo: I love the fact that coffee is an actual part of Melbournes hidden infrastructure.

  5. I can corroborate this testimony, I worked with a Traffic Division company that had some work with Citipower.

  6. I work for Citipower. thats exactly what they are for. we arnt the only ones who use them but we are the reason for most of them

  7. I’m an engineer that worked on service relocation for the Metro Tunnel. CBD roads are packed with all sorts of services from over 100 years ago to now.

  8. I only have the free gifted award to give you but thank you for this friend. Super interesting stuff

  9. They get interesting after an electrical storm. I had a photo of the inside of a 2x1 Telstra pit several years ago after an electrical storm. Was like burnt spaghetti all-over the place.

  10. Love the first pics. Once done are these getting filled usually? Surely they’re not formed up and just poured over? What’s the fill?

  11. They seemed to show up everywhere around 6-7 years ago when they became less a short-term solution to roadworking, and more of a medium / long-term solution.

  12. You’re not wrong. I’d find myself in the middle of that intersection on my dr 650 with no abs breaks in the wet if I encountered one of those.

  13. Not only are they dangerous in the wet, you cop a corner to the tyre and it’s gonna absolutely shred it, especially when they leave them RIGHT at the apex of a corner when you need the most grip and the tyres are under the most strain.

  14. It’s not just how slippery they are. There is usually a fairly dramatic rise around the outside of them that means before you hit the slippery metal, your suspension extends, leaving less weight on the tyres.

  15. A bloody drain plate in a service station got me this afternoon! On a courtesy bike loaned to me from the service shop while mine was in for routine servicing.

  16. Good PSA, but really, any motorcyclist that doesn't know wet metal wants to kill you hasn't ridden in Melbourne in the wet. Tram tracks are absolutely the enemy.

  17. i'm also a motorbike rider, never had an issue with these where i ride - are most of them not covered in (what appears to be) grit-filled paint or something?

  18. They're called Road plates. Why they stay there so long I dunno (probably red tape) but they're certainly supposed to be temporary. Licence to print money if you hire them to the council or contractors who delay repairs for so long.

  19. All those plates, signs, arrows, bollards, electronic arrows, and and and... The companies hiring them are practically printing money... The more they get on the road, the more $ they make, and if you go to any site or road job, you'll find an ocean of crap everywhere 2km either side of any site, where 200m would be more than sufficient. They company will of course say "it's safer to have more" and the council will shrug it's shoulders and say "okay".

  20. Yeah they’re only used to protect underground services that no longer meet the minimum requirements for cover in traffic areas. So they either need to concrete them in (removing all maintainable access) or use road plates.

  21. If they haven’t done the bolts up properly they can puncture your tyres if you hit them the wrong way. Happened to me.

  22. I always have this thought while driving over them? Surely there's a debate to be had said company should replace the tryes due to negligence?

  23. I walk past the one on the corner of Flinders and Collins, be careful driving over it all the bolts are mega lose and sticking out

  24. I see you’re on a bike - I can relate to the frustration. I get a bit of a butthole pucker every time I have to ride over one of these in the wet.

  25. They are temporary coverings used when they will be returning to work on the site under them again soon* and some want to have to re-dig the road up again.

  26. Ah the bane of all melbourne motorcyclists (and cyclists too I imagine). Hit one of these puppies in the wet and it's a guaranteed front end crash.

  27. Definitely bad news for cyclists, both because they’re slippery and the sharp lip on and off.

  28. Services getting fixed or new services being added might be sewer,water or electrical. They put the plates over so they can leave the trenches open during the day and work on them over night. Some might have plates over them for a longer period as they working further down the line. They are just bolted down into the road and can be easily pulled up when work starts again.

  29. Road plates to cover a trench, they usually do this for service tap ins and relocation, it can be slow work usually because traffic needs to be redirected etc, most of the time they have to dig them first to locate a service then it goes to quotes etc to do the work needed.

  30. Yep I drive over that one every single day, going from 100 to 40 downhill isn’t ideal. It’s barely any better than the two gaping potholes that were there in the first place. But then again, the roads through that region are pretty shit as it is.

  31. The reason for them have been well explained here, but they are dangerous as hell for motorbike riders and cyclists.

  32. It’s so it gets slippery when it rains because the government has decided that we’ve got too many people going in Melbourne now and they’ve decided to take action to reduce the population

  33. Because it's cheaper than properly fixing the road - it's not just a case of filling a hole with a bit of bitumen and a shovel doesn't do shit. It gets washed out insanely quick.

  34. We make these, they are called roadplates, designed to cover trenches and allow all traffic to drive over them, they don't need to be sandblasted or textured as they are used in construction zones so you should be driving at a reduced speed anyway

  35. Let me guess, you've never driven over these in the wet on a motorcycle? and you've never turned a corner with one hidden on the other side and almost washed out?

  36. There was work being done in the Queen Street mall in Brisbane last time I visited. They had a display on the hoarding and a link to an AR app that you could use to view all of the services in place under the mall. Very interesting way to waste 1/2 an hour......

  37. They need to have have a grip applied to them and it should be mandatory have seen many motorcyclists and bicyclists slip on them over the years. I can’t believe they get away with laying these.

  38. I work closely with a water treatment guy(I work with steam is a hospital, that had to be super clean) And he checks and maintains the water for cooling some of these substations, it’s certainly a fascinating subterranean subject.

  39. Plate Locks Road plate securing system will help mark, identify, and secure these road plates. It also gives the plate full bearing, so it doesn't bang, slap, and hit when a car drives over them. Introduce them to your municipality.

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