I-35 / US 30 Flyover Progress

[Cycsk]

There is probably plenty of blame to go around. Surely multiple parties had to be involved in the mistake. Someone built it wrong, but someone else may have told them to build it wrong, and someone else surely watched it be built wrong even though there job was to catch mistakes.

 

[1100011CS]

Last I had heard the piers were about 6" to high and the company had the 2 large cranes reposesd.

Your spelling leads me to believe you're FOS.

Missed the airing of the report to watch Monte in the summer league.

Link to the KCCI article/footage: http://www.kcci.com/article/uh-oh-c...23-million-project-after-big-mistake/22121540

Shaina is smoking

 

[Brandon]

Your spelling leads me to believe you're FOS.

Ok.

 

[ArgentCy]

Glad to see you've now added Construction Engineer to your expertise

It is much closer to my degree than what I do now. It's not hard to figure out that rebar embedded in concrete isn't going to change in elevation. As someone else noted they have to be doing some redesign somewhere as well.

 

[CtownCyclone]

Last I had heard the piers were about 6" to high and the company had the 2 large cranes reposesd.

Would this company be big enough to own those cranes outright or would they be more likely to have them on rental?

 

[Brandon]

Would this company be big enough to own those cranes outright or would they be more likely to have them on rental?

They were renting them from what I was told.

 

[isufbcurt]

Would this company be big enough to own those cranes outright or would they be more likely to have them on rental?

http://www.minnowa.com/

http://www.brueningrock.com/

 

[cycloner29]

Your spelling leads me to believe you're FOS.

Shaina is smoking

Umm... what video? I could only see Shaina!

 

[isufbcurt]

They were renting them from what I was told.

Do you know who they were renting them from? Emerson Crane Rental by chance (Owner is another person I race against).

 

[CtownCyclone]

Do you know who they were renting them from? Emerson Crane Rental by chance (Owner is another person I race against).

That a statement or a question?

 

[CtownCyclone]

They were renting them from what I was told.

Taking them off-rent is quite a bit different than getting them repo'd. If I had major rework like that and wouldn't be using those cranes for a decent amount of time, I'd definitely off-rent them (unless mob/demob was hefty).

 

[isufbcurt]

That a statement or a question?

Question. I think it would be funny if 2 people I race against companies were involved in this.

 

[Brandon]

Taking them off-rent is quite a bit different than getting them repo'd. If I had major rework like that and wouldn't be using those cranes for a decent amount of time, I'd definitely off-rent them (unless mob/demob was hefty).

They werent making the rental payments

 

[Brandon]

Do you know who they were renting them from? Emerson Crane Rental by chance (Owner is another person I race against).

Don't know the rental company.

 

[SayMyName]

I'm sure it will be, it's just odd that they are out there jack hammering to get them to grade.

My impression was that they aren't jack hammering to lower the height, rather they need to expose the rebar cage to give the new pour material the necessary bonding and reinforments. I think at least some of the piers are too low in height and they actually need to raise the elevation. (New KCCI info indicates as much, although it sounds like elevations at all piers and ramps at either end are all over the place.)

The other aspect is the anchor bolts and embed plates were mislocated (or missing altogether), so they would need the fresh concrete at the top in order to place those critical elements.

 

[scottie33]

My impression was that they aren't jack hammering to lower the height, rather they need to expose the rebar cage to give the new pour material the necessary bonding and reinforments. I think at least some of the piers are too low in height and they actually need to raise the elevation. (New KCCI info indicates as much, although it sounds like elevations at all piers and ramps at either end are all over the place.)

The other aspect is the anchor bolts and embed plates were mislocated (or missing altogether), so they would need the fresh concrete at the top in order to place those critical elements.

I am in agreement with you that I don't believe the piers were poured 6" too high. If they were 6" too high they would have to cut out all of the rebar in the top of the piers as the finish elevation of the concrete pier would be lower than the existing reinforcing if they just left it in place. The size of reinforcing in those piers also wouldn't allow enough development length by chipping down 18" to install new reinforcing for a 6" lower finish elevation...you'd have to install hundreds of rebar couplers which is crazy to think of.

I have not watched the KCCI video footage to see if there are anchor bolts even installed in the piers but driving by I can't see any sticking up out of the piers.

As of yesterday, they started installing forms at the South pier top.

What is astonishing is the Liq. Damages are $5,000+/day you would think they would work more than 5 days per week and be working on every pier...unless the schedule is such that there is no benefit in having all the pier tops fixed if the bridge girders are no where near ready to be delivered and installed completely.

 

[JP4CY]

I am in agreement with you that I don't believe the piers were poured 6" too high. If they were 6" too high they would have to cut out all of the rebar in the top of the piers as the finish elevation of the concrete pier would be lower than the existing reinforcing if they just left it in place. The size of reinforcing in those piers also wouldn't allow enough development length by chipping down 18" to install new reinforcing for a 6" lower finish elevation...you'd have to install hundreds of rebar couplers which is crazy to think of.

I have not watched the KCCI video footage to see if there are anchor bolts even installed in the piers but driving by I can't see any sticking up out of the piers.

As of yesterday, they started installing forms at the South pier top.

What is astonishing is the Liq. Damages are $5,000+/day you would think they would work more than 5 days per week and be working on every pier...unless the schedule is such that there is no benefit in having all the pier tops fixed if the bridge girders are no where near ready to be delivered and installed completely.

A lot of girders are sitting in that valley.

 

[scottie33]

A lot of girders are sitting in that valley.

Cool Fact - There is 4.5 Million pounds of structural steel for the bridge girders.

If I counted correctly, there are 75 bridge girders that will be installed when complete.

I watched the KCCI report and see that they used sleeves for the anchor bolts...not sure why you wouldn't just build an anchor bolt template to hold them into place during placement of concrete.

 

[HardcoreClone]

Hope the Hwy 141 interchange ends up being smoother than this.

 

[justincl]

Cool Fact - There is 4.5 Million pounds of structural steel for the bridge girders.

If I counted correctly, there are 75 bridge girders that will be installed when complete.

I watched the KCCI report and see that they used sleeves for the anchor bolts...not sure why you wouldn't just build an anchor bolt template to hold them into place during placement of concrete.

It’s fairly common on larger bridges to utilize sleeves for anchor bolts. They were used on the Kate Shelly railroad bridge too for example.

Hope all is well with you!

JC