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The live load for sloping roof with slope 15° where access is not provided to roof is taken as

The live load for sloping roof with slope 15° where access is not provided to roof is taken as Correct Answer <span style="">0.65 </span><span style="">kN/m</span><span style=" line-height: 0; position: relative; vertical-align: baseline; top: -0.5em; font-size:10.5px;">2</span>

Concept:

Live load: 

As per IS: 875, Part 2 specifies the following Live loads:

Roof slope

Access

Live Load

≤ 10° 

Provided

1.5 kN/m2 of  plan area

> 10°

Not provided

0.75 kN/m2 of plan area

For roof membrane sheets or purlins: 0.75 kN/m2 less 0.02 kN/m2 for every degree increase in slope over 10° subject to a minimum of 0.4 kN/m2.

Calculation:

Given data, 

Access is not provided to the roof and the slope = 15°

So, in this case 

The live load for the sloping roof is

LL = 0.75 – (15 – 10) × 0.02 = 0.65 kN/m2

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