"Americans used to say where there's a will, there's a way. Nowadays, it's where there's a pill, there's a way out." - - Burnt Toast
Showing posts with label construction. Show all posts
Showing posts with label construction. Show all posts

Afternoon Thoughts. . .

Well, the ol' afternoon hasn't worked out quite as expected, the rain that clouded the sky earlier is gone and only seems to have exacerbated an already wet jobsite into a worsened state, which includes also the piss poor attitudes of a few sitework contractors. I have no pity nor shame in telling these fools that you cannot compact wet soils properly when the moisture content is too far above the optimum value. But these guys never let the truth get in the way of screwing up perfectly good work.

So here I sit, telling them in essence they are all failures, yet they march into oblivion like herds of sheep to the slaughter because the only thing worse than doing something wrong in this industry is letting a good day of fucking it up the first time go to waste.

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Man vs. Machine. . .

Have no fear of perfection. You'll never reach it. -- Salvador Dali

In the famous words of Buckwheat, "Here I is!"

I apologize for the long delay in returning to the blog contraption. My penance for being a bright, hardworking man has been paid and now I can go back to being a lazy slacker which I much prefer.

The recent weeks have been filled with many long days, some 14 hours or longer in length, slogging through mud and mire, dust and blistering sunshine, yet we have achieved our goal.

Here is a photo of my nemeses:


These are deep foundation drilling machines used to install under-reamed or "bell" piling for large buildings. In my hometown, we are blessed to have some of the most expansive and useless clays on the planet and about 40 feet or so down beneath these highly expansive clays lay a strata of unweathered blue clay in which these deep pilings are founded.

So, for a month, I've been monitoring the installation of these pilings and all assorted ignorance, hijinks, foolishness and chicanery that goes with it. I'll simplify it as such: if an architect draws a straight line on a piece of paper, then several dozen men can find a way to turn that straight line into a rhombus, hendecagon or worse even, an irregular icosagon.

Construction is a matter of inches, tenths of an inch, hundredths of an inch and each one counts. Don't get your initial elevations or benchmarks correct and the whole building with either be to high or too low, too far left or right or worse even, not square. Enter me. I am the straightener. I am the predominator. I am the "decider." And I decided and decided and decided until I was blue in the face, but no amount of deciding can stop a dozen hard-working Mexicans, 4 Cajuns and a handful dopey white guys from screwing some shit up.

Alas, in the end, it all worked out. Construction people are pretty smart, maybe not individually, but collectively and if all else fails, you can always get the architects or engineers stirred up with an RFI (Request For Information). In other words, we screwed the pooch with a stale donut, a #9 rebar, two gallons of axle grease and need some help.


Kinda makes me miss the hardcore days of the professional kitchen. The stress, the anger, the lunatics with sharp utensils within arm's reach. Only difference is, the food is better.

Greetings all. I have returned.

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Workity Workity Work. . .

Sorry for the extended absences, but work has been the mother of all mothers lately. I guess that's the penalty for taking a little vacation time and enjoying myself away from the rigors of work.

Currently, we are involved in a very large soils investigation. In a weeks time, we have performed 207 exploratory borings across an 80-plus acre site and in the laboratory have completed roughly 2/3's (about 400 individual samples) of the soil classifications using the test methodology invented by Albert Atterberg. Let me simplify that for the layman. . .we've been eating dust sandwiches all week.

Most of the work, actually all of the work, is quite repetitive and mind-numbingly boring (get it? boring?), but on occasion you run across an anomaly in the soil which raises some interest. Such as in the photo below. . .



We're not quite sure what this crystalline substance is, but our geologist seems to believe that it is either gypsum or some sort of calcite. I'm hedging on the calcite as Yazoo clay (the type of soil shown) is loaded with calcareous nodules. Interesting, isn't it?

The difficulty with heavy (Yazoo) clay is the ability of the material to retain large quantities of water, which in turn, creates tremendous changes in volume. Yazoo clay can easily take on it's own weight in water and it is this "activity" exacerbated by seasonal water changes that can tear a home or building in half, literally. That is what makes the material difficult to build upon and the reason our roads in Jackson are so terrible.

In this part of Mississippi, there are a couple of options: you can try to create a buffer of at least 7 feet of less-expansive clay in between the bottom of the foundation and the Yazoo clay or you can use a deep foundation system, such as underreamed (bell) piling. Cost is typically the issue and usually the undercut and backfill option is the most cost effective, unless it is a large or heavy construction like a multi-story office building, parking garage or a large warehouse with high walls where wind pressures and uplift are concerned.

The truth, as in most cases with Mother Nature, is that she usually wins. I posted a photo some time ago of an odd shaped concrete structure and what that thing is, is the top of a bell piling. Obviously the shaft should be straight like the ones in the background and not mushroomed out as in the photo, but I suspect that there was some sloughing or possibly it was raining that day the concrete was poured for that piling.

Anyway, that building was constructed back in the early 1970's and the Yazoo clay beneath it has swelled so much that the crawl space under the building no longer existed and the soil was pushing against the floor joists above it. The pressure became go great that it heaved the floor and broke two piling where they were connected to the building by an exterior poured-in-place concrete grade wall.

I'd say that's some badass dirt, wouldn't you?

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A Good Day. . .

All things being equal, today was a fine example of the positive nature of humanity as we struggle to survive in this crazy business called construction.

Today, this morning, I went to a concrete placement that was the kind of operation that textbooks about engineering and construction are founded upon. Quite possible the "perfect" placement. The concrete was on-time, the admixtures to make the concrete easier to place functioned as they should, the consistencies of the different individual loads were, well, consistent and everyone was smiling and beaming and having a good time telling jokes and shooting the shit. Just a fine morning of pretty hard work made easy by preparedness.

On another job, the hydraulics of a concrete truck failed, stranding the ever hardening concrete inside the drum for a couple of hours. Normally bad news, but everyone shook it off and moved ahead positively. Although sadly, someone will have a hefty and dangerous jackhammer job at the concrete plant tomorrow.

And what made the day even better is that we are caught up here in the laboratory with the different and various soil samples and on top of this big, delicious cream pie, a cherry, in the form of heavy afternoon thunderstorms. Awesome.

I can hear the rain now and the bed looks so inviting at the moment, but I know. . .I know, if I go there, there will be no coming back until tomorrow. But maybe my body is telling me something. . .

. . .just a nap, a short one. 1 hour. . .

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Hell.


3:30 a.m.
gulfport, mississippi - july 2008

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Gentlemen. . .

excuse me, sirs? You're really not contributing anything positive to this ever worsening situation.


water works
biloxi, mississippi - july 2008

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Hey, You Sure You Know How To Read Those?

the answer:

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Working Men. . .


high-rise workers
jackson, mississippi - january 2008

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A"Maze"ing. . .


reinforcement, 7th floor
jackson, mississippi - january 2008

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Holy Concrete Pumps Batman!!!



According to the email that accompanied this photo, this is a concrete placement at Bayside Condos in San Diego. The contractor placed 11,500 cubic yards of concrete in 10 hours. A considerable feat to say the least.

Photo Credit: Unknown, but thanks.

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Herbs!

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