I am designing a platform, on top of a building, to hold equipment and a walk way for people to work on the equipment. Section 2.4.3 of ASCE 7-10 says I use load combination D+L+.7Di. Do I really need to design my platform to hold my live load of 40 psf and ice weight, at td=2.23". I just find it hard to believe that if there is that much ice on my platform, people will go up there to work on the platform. Just wanted a second opinion, on if I was reading the code right.
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