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[biju.nair]

Dear all,

The draft code of IS 1893 inocorporates many new things which are useful or
somewhat a relief
to the user in many areas.

1). The introduction of IMRF (in zone 3)is most welcome.It was much
difficult to adhere both to
srtict codal provisions and client's demands.But a detailed description of
this frame is to be given
in this code itself rather than pointing towards 13920.


2).The design parameters of non-structural components are given and is also
a welcome step.

3).Regarding  clause 7.12.2 .If sufficient shear walls are not present to
take care of the lateral loads ,
one has to depend upon the flat slab and column arrangemet for the passage
of lateral loads.So they have to be included in the
frame analysis.In such situations what are the guidelines to be adopted?

4).Clause 7.14.1 .In the mentioning of ties to footings  the level is not
mentioned.
Is it mandatory to provide ties at footing level only?.If this clarification
is not given,even plinth beams will also be
treated as tie beams.(In cases where footings are not so below gr.level)

Regards,

Biju.

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