Envelope Procedure Practice question $($Refer ASCE $7-16,$ Chapter $28)$

Refer the data below for the following questions:

Design Procedure $=$ Envelope Procedure $($Part $2)$

Roof Slope $=$ Flat $($less than $5$ degrees$)$

Risk Category $=$ II

Basic Wind Speed $(V)=47\frac{m}{s}$

Exposure $=C$

Least Horizontal Dimension $(B)=27m$

Mean Roof Height $(h)=7\mathrm{.}5m$

Topographic Factor $(Kzt)=1$

$($Refer ASCE $7-16,$ CI$.28\mathrm{.}4)$

$28$

Choose the correct option for simplified design wind pressures $($ps$30)$ for Zone A:

$838\frac{N}{m}2$

$1268\frac{N}{m}2$

$650\frac{N}{m}2$

None of the above

$29$

Choose the correct option for adjusted simplified design wind pressure $($ps$)$ for Zone A:

$163\frac{N}{m}2$

$1131\frac{N}{m}2$

$961\frac{N}{m}2$

None of the above

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