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Civil Engineering/Existing Beam- Block Roof to support SIL = 5 Kn/m2

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Expert: - 12/10/2007


Question
Respected Dear Arshad Khan,
i was searching some solution and luckily found your contact through ALLEXPERTS.COM.

QUESTION
Existing Building is a single story show room with a roof with Beam- Block arrangement. where Blocks are reinforced hollow blocks. This Existing Roof will become the proposed first floor if it can take imposed load   of 5kn/m2 in addition to wall at first floor level supporting roof. this proposed wall  will be at 1 meter distance inside from the existing parapet wall.  Question is either it will work for all this loading? If no what is the solution without closing the retail shop below. for example putting support below with steel beams at the midspan of secondary beams supporting Hollow blocks. the other solution is not to touch the existing Roof and build a new timber floor above it supported by beams laid wall to wall with 14 meter clear span.  I understand that this  question cannot be explained without drawings. How to send drawings please.
thanks
Really I appreciate this contribution by you and other experts on the site.

Answer
Hi Syed,

Much as I would like to help you, I cannot do such assignments over this website- firstly because this ius very time consuming and difficult to do without drawings, etc, but also due to liability and safety issues. I recommend that you get a qualified/experienced structural engineer to inspect your property and design an appropriate solution for extension.

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Arshad Khan

Expertise

I can answer any questions to do with civil and structural engineering consultancy and construction industry in East Africa and the Middle East, and specifically with the analysis and design of reinforced concrete structures. My particular expertise is in the aseismic design and optimisation of tall buildings.

Experience

Employment history: 36 years in Construction and consultancy in the UK, Kenya, Tanzania, Uganda, Ethiopia, Eritrea, South Africa, Somalia, Zambia, Austria, Bahrain, Kuwait, Doha and the U.A.E.

Organizations
.Fellow of Institution of Structural Engineers (UK) .Fellow of Institution of Civil Engineers(UK) .Member of the Institution of Engineers, Kenya .Registered Engineer, ERB, Kenya .Member of the Architectural Association of Kenya (Engineers Chapter) .Chartered Engineer (UK)

Publications
•1984: International Conference on the Art and Practice of Structural Design, London •1994: 3rd Int. Kerensky Conference in Structural Engineering, Singapore •2008: International Conference on High-Rise Towers, Abu Dhabi

Education/Credentials
BSc, 1st Class Hons, in Building Engineering, University of Bath, UK MSc in Concrete Structures and Technology, University of London. Diploma of Imperial College, UK.

Awards and Honors
•Science Congress Special Award (for 2-seater Hovercraft - 1968) •Institution of Civil Engineers Award for outstanding performance at Bath University (1975) •Concrete Society Postgraduate study Bursary Award (1976) •Consular Representative for British High Commission, Nairobi. (1995 to 1998) •Examiner for Institution of Civil Engineers Professional Interviews, Nairobi. (1997 to 1998) •Branch Representative in Vienna for PI assessment for Inst. of Struct. Engrs. (1999 to date)

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