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Re: Thanks for your guidance[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: jayant_l(--nospam--at)vsnl.com
- Subject: Re: Thanks for your guidance
- From: "syed faiz ahmad" <syedfaiz23(--nospam--at)hotmail.com>
- Date: Tue, 30 Oct 2001 23:13:16 +0300
- Cc: seaint(--nospam--at)seaint.org
Jayant,If you review my 2nd post on the subject, you will see I have covered most of your questions already. Any way I'll respond to this once again for you, item wise:
1) No, KDA (KARACH DEVELOPMENT AUTHORITY) demands Structural Design Calculation & Soil Investigation Report for all G+3 & higher Structures only. While for G+2 & lower height structures, only Architectural Plans with schedules of Structural details like typical foundation sizes, thickness of slabs, sizes & typical reinforcement details of beam, columns etc. are required to be submitted; all these grouped in a typical fashion in one drawing only. All G+3 & above structures are required to be designed to resist wind & Earth Quake forces. 2) The Authority maintains a small set up who reviews in-house all plans for G+2 & lower height structures. All submittals for G+3 & higher structures are referred to registered VETTING CONSULTANTS; these are selected by the Authority itself, however the OWNER is allowed to submit names of three preferences from his side. Authority nominates one out of three names provided by the OWNER. 3) NO, this vetting by the registered VETTING CONSULTANTS is a time-bound assignment; they are alloted about 6-8 weeks to finish the job. After that the Authority takes some time to process & the whole process, from submission to final approval, takes about 6-8 weeks . The Authority ensures a VETTING CONSULTANT is not loaded with a lot of such assignments, that is why they use their preorgative in awarding/assigning jobs to the Vetting Consultant, in that process they do respect choice of the OWNER but nominate only that which is not already assigned some other job. I have had experience of vetting quite a few jobs directed to my company back home by the Authority. What I used to do is mostly check the suspect portions of the works only rather than making a full thorough review of the Structural Calculations. We used to have 2-3 sessions with the original Design Engineer after we had made a first hand review of the work. After these explanatory sessions with the designer, we used to set again to review the work. Get necessary replacement of the corrected works & then send the approval to the Authority. 4) No, the prime responsibility solely & squarely rests on the PRIMARY PRIVATE CONSULTANT only; by virtue of the ORDINANCE passed by the provincial Legislative Assembly, the AUTHORITY is just a regulatory body only & the responsiblity of safe design rests with the professional Consultant & safe performance of structures lies on the BUILDER & THE OWNER alone. However, Iam not aware of any legal case study where the vetting Engineer was also held responsible, along with the primary Consultant, for failure of any structure. There are failures of structures but the ARCHITECT/CONSULTING ENGINEERS get away easily & in the end the BUILDER Or its poor Supervising Engineer pays the brunt. The Owner being rich & influential also gets away. The reason is design work are very professional work, on the paper at least. But they are seldom built in exact accordance with the approved design. The job is tampered by the owner in connivance with the builder; in most cases the OWNER & the BUILDER is one & the same person,with a different front man. 5) the cost for scrutiny/vetting of the job is paid by the OWNER. depending on the size of the project, the Authority has established a fixed rate for the service. It varies from 1-3 percent of the civil cost of the project; sometimes more & sometimes less. But the fixed rate of the Authority is followed.I hope I have responded to your satisfaction. If you have further please feel free to come back again. Best regards,
SYED FAIZ AHMAD; MENGG, MASCE SENIOR STRUCTURAL ENGINEER SAUDI OGER LTD RIYADH, SAUDI ARABIA.
From: "JAYANT LAKHLANI" <jayant_l(--nospam--at)vsnl.com> To: "SYED FAIZ AHMAD" <syedfaiz23(--nospam--at)hotmail.com> Subject: Thanks for your guidance Date: Tue, 30 Oct 2001 12:43:21 +0530 Dear Mr. Syed,Thanks for your guidance regarding my query, pertaining to some checking system on structural engineers, on seaint digest.Regarding your reply, I have got few more questions. I will be obliged if you can spare your time to answer them.1) In Karachi, local authority demands structural drawings and structural calculations for scrutinizing them. Do they demand these for each and every building or some random checking procedure is there?2) Who checks the structural calculations? I mean authority itself has got the infrastructure of structural engineers to check design of private professionals?3) Does it become possible that structural design for each and every building gets scrutinized in detail? If it is so, doesn't it make approval procedure very time consuming as in my opinion it takes more time to proof check other's design rather than to design anew.4) Once the design is approved by the authority, whose ultimate responsibility is being considered regarding correctness of the design, that of the primary private consultant or the authority?5) Who pays the scrutinization fees for structural design? With best regards. -JAYANT LAKHLANI
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