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Old April 12th, 2008, 12:45 PM   #1
malec
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Opening windows

Why is it that in so many new buildings you can't open the windows?

For example in the new school of music in my city you can't open the windows and although there is air circulation through the ventilation system the air is still bad. It doesn't smell bad or anything but within an hour of being inside the place I feel like going to sleep.
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Old April 12th, 2008, 03:05 PM   #2
goschio
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I think its more the opposite. At least in skyscrapers.
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Old April 12th, 2008, 03:11 PM   #3
malec
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What do you mean?
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Old April 17th, 2008, 07:47 PM   #4
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The air conditioning is acuratley set up to work with the windows closed. As soon as windows are opened, they introduce untreated (heated, cooled or cleaned) and it upsets the system.

The system then thinks something is happening, trys to correct it, and usually over compensates, and increases the running costs.

The best way to overcome this problem, is to have no windows that can open. People always seem to think god it's warm in here, I'll open a window.!!!

If you are feeling sleepy in a room after 1 hour, then there is not enough fresh air entering the room. When it was calibrated, and new, it would have worked fine, what you proberly have, is someone who has no idea how these things work, has messed around with the settings, and upset it all.
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Old April 18th, 2008, 12:54 PM   #5
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It can get quite dangerous to open a window on a high floor (ie. 80/F) when a sudden gust can really throw things out of order inside (more an issue with offices than residentials).
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Old April 19th, 2008, 01:06 AM   #6
ZZ-II
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doesn't matter if you ( or anything ) fall down from the 20th floor or from the 100th...the result is the same.
think there's no need to open a window in a new tower because the modern air conditioners make a good air
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Old May 6th, 2008, 10:18 PM   #7
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Honeycomb in Concrete Column

Please refer to these screenshots.


http://img149.imagevenue.com/img.php..._122_680lo.JPG
http://img102.imagevenue.com/img.php..._122_900lo.JPG
http://img170.imagevenue.com/img.php..._122_995lo.JPG
http://img25.imagevenue.com/img.php?...122_1067lo.JPG
http://img130.imagevenue.com/img.php...122_1048lo.JPG

Honeycombs in these columns came out as soon as the form was taken off. What should I do? I am a contractor. the workers didnt use a vibrator and casted the column in half. They did used a long bamboo to stuff the material well inside. What should I do now to get a remedy or should I break the whole column and re-made them?

Some more Info;

1. No pathway has been seen for water to get through the column as none of them are no more than 2-3 inches deep.
2. What is the purpose of the column and what load does it support?---- We will built a roof over these columns and its the 4th floor of the proposed building. I am not sure about the load, but its a family type apartment building, size is around 1500 sq feet. Each column is 8-9 feet long and width 10 inches in each side.
3. What is that reddish appearing stuff seen in a few of the pixs?-- those are birck mortars, we used small bricks instead of Stones.

We will use vibrator in the remaining 8 columns but that will moslt likely to roll down the cement paste through the form at the first few centimeters.
I will post more pics of the site.

Could these honeycombs be the reason for the cement paste rolled out from the lower end of the form ( made by wood) while casting?

Last edited by m000x; May 6th, 2008 at 10:20 PM. Reason: add more info.
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Old May 6th, 2008, 11:43 PM   #8
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can't open your links
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Old May 9th, 2008, 06:08 AM   #10
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what does that have to do with windows?
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