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prof.arc ...
Joined: 26 Jan 2003 Posts: 703
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Posted: Fri Nov 10, 2006 6:08 amPost subject: A building under construction collapses. |
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Dear Mr. Hari,
It is unfortunate that such accidents occur - only good thing is that the number of such accidents are small compared to the abuse in construction practices. I hope you have visited some construction site informally [and not as a part of official delegation] and chatted with the workmen [maistry] in-charge and then you will realise that what we read/teach has not perculated down the line. The people who actually execute the job, are NOT members of this forum and may not know English. Those who know, do not need to be told about good construction practice as it is the lack of implementation that is the curse.
I liked the quote today in a newspaper -
*There are thing we know that we know. *
*有已知的未知* *……我们现在的事情know **we don't know. *
*But there are also **unknown unknowns. *
*There are **things we don't know we don't know*
Sincerely
ARC On Fri Nov 10 05:41:09 2006, sabharim[AT]gma... wrote:
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Dear All, I think it is important to discuss simple construction site safety aspects also in our forum -while we struggle with Seismic Safety. Another labourer dies.("It's only a labourer" -seems to be the attitude....).Another family will slowly die away. Who is responsible? Let us ensure this does not happen in our sites. (Or will our attitude remain "let us *hope* this does not happen in our sites"?) Best, Hari |
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skjain.iitk General Sponsor
Joined: 26 Jan 2003 Posts: 104
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Posted: Fri Nov 10, 2006 5:33 pmPost subject: A building under construction collapses. |
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Dear Hari and Prof ARC:
There is a systematic approach adopted in many other countries to avoid and minimise such episodes, by regulating the construction activity in a systematic manner at several levels. Unfortunately, we in India have preferred to push papers (creating reports, carrying out microzonation in the name of safety, etc) rather than to implement such measures.
Lack of such systems is one single most important failure of civil engineering leadership in our country: failure to emphasize to the country the need for such measures. We all know these measures; competence based licensing of engineers and other building industry professionals, regulation by municipal authorities, robust legal framework, etc. While India is in a hurry to go into a developed country mode, a very basic issue of safety of our constructions is being totally forgotten.
For every building that collapses, there are numerous other buildings that are standing but which do not meet the minimum safety expected from such buildings.
Best regards,
Sudhir
prof.arc[AT]gma... wrote:
Quote: |
Dear Mr. Hari,
It is unfortunate that such accidents occur - only good thing is that the number of such accidents are small compared to the abuse in construction practices. I hope you have visited some construction site informally [and not as a part of official delegation] and chatted with the workmen [maistry] in-charge and then you will realise that what we read/teach has not perculated down the line. The people who actually execute the job, are NOT members of this forum and may not know English. Those who know, do not need to be told about good construction practice as it is the lack of implementation that is the curse.
I liked the quote today in a newspaper -
*There are thing we know that we know. *
*有已知的未知* *……我们现在的事情know **we don't know. *
*But there are also **unknown unknowns. *
*There are **things we don't know we don't know*
Sincerely
ARC On Fri Nov 10 05:41:09 2006, sabharim[AT]gma... wrote:
Quote: |
Dear All, I think it is important to discuss simple construction site safety aspects also in our forum -while we struggle with Seismic Safety. Another labourer dies.("It's only a labourer" -seems to be the attitude....).Another family will slowly die away. Who is responsible? Let us ensure this does not happen in our sites. (Or will our attitude remain "let us *hope* this does not happen in our sites"?) Best, Hari
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ajitkbhattacharyya ...
Joined: 26 Jan 2003 Posts: 132
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Posted: Sat Nov 11, 2006 1:12 amPost subject: A building under construction collapses. |
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Dear Sudhir,
I had mentioned earlier about Cross reportings on behalf of Insitution of Structural Engineers U.k. Such reportings will develop a spirit of safety consciousness amongst the consulting practitioners. All failures of such nature must be investigated impartially and brought out for the information of construction agencies involved. It is a pity in this country even on a devastating fire causing destruction of Vigyan Bhavan none at the responsible level was punished and real neglect brought out.The code makers must take a note of all failures and bring it to the notice of all concerned.None should be left free for their inaction , neglect.
A.K.Bhattacharyya --- skjain[AT]iit... wrote:
With kind regards
A.K.BHATTACHARYYA
F.I.StructE (UK), FIE (India), FIBE, FIRT H-2A, Hauzkhas, New Delhi -16, Ph:011-26854127
Cheap talk? Check out Yahoo! Messenger's low PC-to-Phone call rates. http://voice.yahoo.com
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prof.arc ...
Joined: 26 Jan 2003 Posts: 703
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Posted: Sat Nov 11, 2006 1:21 amPost subject: A building under construction collapses. |
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There is no doubt that quality of construction in most multi-story building construction is not upto the mark. Rarely, the design engineer visits the site. The site engineer mostly pushes papers. Less said about the approving municipal agencies. Do we have actual test results [not fudged] of the concrete mix whenever a floor is cast ? I consider it more important that test results must be available for columns [the columns are raised between two successive pourings of slabs] Do we inspect that the reinforcements are placed as originally intended by the designer. Quite often, if one asks the Maistry, he says the reinforcement drawings is not implementable. The most important aspect of construction is to ensure integrity of joint. FORTUNATELY, in spite of abuse, the system has so much factor of safety that the structure does not fail after removal of shuttering and static loads comes into play. How to implement the concept of quality in construction is a matter all of us should be concerened. ARC PS: We talk about Structures only in this forum. We must address the shame of Road Construction which is very much civil engineering. Why should we continue to suffer the rutted roads during monsoon ?
On Fri Nov 10 23:03:50 2006, skjain[AT]iit... wrote:
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Dear Hari and Prof ARC: |
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sdec SEFI Regulars
Joined: 26 Jan 2003 Posts: 26
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Posted: Sat Nov 11, 2006 5:34 amPost subject: A building under construction collapses. |
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Dear ARC 这是非常不错,网站dcutile人发现r/f of columns quite unimplementable,u've said,right? I came across one such case during my site visit to a Rpprkee Pharma project, and explained to the mistry as well as the Site Engineer how we should do the stirrups and why it is important to do it right.However during my last visit, i was pained to note that he had not been following what I had asked him to do; i.e. in all probability, all the stirrups for all the columns in such a large project have been bent only at 90 degrees. despite my numerous visits and my attempts to explain practically, I have not been able to get the right bending of stirrup ends....in such a case what should the designer do? Regards Sangeeta
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mkalgal Silver Sponsor
Joined: 26 Jan 2003 Posts: 54
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Posted: Mon Nov 13, 2006 4:57 amPost subject: A building under construction collapses. |
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Dear Sangeeta Madam, One possibility is to put the observation in writing with a copy to the concerned(?) owners that you would not be held responsible for any consequential damages during earthquake since seismic detailing as given in drawing is not possible. Even if it does not "shake up" the people, it would save your skin! Regards Kalgal
On Sat Nov 11 11:04:54 2006, sdec.in[AT]gma... wrote: [quote]Dear ARC 这是非常不错,网站dcutile人发现r/f of columns quite unimplementable,u've said,right? I came across one such case during my site visit to a Rpprkee Pharma project, and explained to the mistry as well as the Site Engineer how we should do the stirrups and why it is important to do it right.However during my last visit, i was pained to note that he had not been following what I had asked him to do; i.e. in all probability, all the stirrups for all the columns in such a large project have been bent only at 90 degrees. despite my numerous visits and my attempts to explain practically, I have not been able to get the right bending of stirrup ends....in such a case what should the designer do? Regards Sangeeta
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mkalgal Silver Sponsor
Joined: 26 Jan 2003 Posts: 54
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Posted: Mon Nov 13, 2006 4:59 amPost subject: A building under construction collapses. |
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�Dear Sangeeta Madam, Please replace thw word "possible" with "provided" in my previous mail Regards Kalgal
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