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Where can I find the egress ladder to grade by code compliance in IBC-2018?

Recently, I have to design structural support bracket for 28 feet height antenna telescopic mast-2"diameter (EZ TM-30)mounted to our building 13 feet overall height. However, I'm wondering how to compute the wind load applied. Thanks,

Any clues? Thanks

My last question is that my case is qualify for Section 1005.7 deals with door encroachment and egress width and capacity? Thanks anyway

Based on IBC-2015, I will go with 44" minimum depth & width landing to satisfy with both sections listed above for my case (A straight run stairway. Do you agree?

Are you looking on the IBC-2015 Code and Commentary? I attached below from 2015-IBC

Per IBC-2015/section 1011.6, I haven't found the minimum depth per your stated above. https://codes.iccsafe.org/content/IBC2015/chapter-10-means-of-egress#IBC2015_Ch10_Sec1011.6

Thanks for your clear details!

Any suggestions? Thanks

So we can't use 36"? Also, do we need to apply 44" + 44"/2 = 66" min per that section? Please advise

Do we need to comply with IBC-2015/Section 1010.1.6 Landings at doors? If not, can you tell me why

Thank you so much for your time! And have a good weekend

Here is the copy I got from IBC-15/ Section 1020.3 Obstruction:

Thank you so much for your replies! And I'm still have a question regarding to IBC-2015/Figure 1005.2. Based on this figure, do I have to satisfy the highlight condition on the picture below when IBC commentary said that it's also applied to platform as well:

Technically, we have a straight-run stairway, so 44" min required for my landing dimensions (IBC-15/See Figure 1011.6(1))

Thanks for your response! Per figure 1009.8(4)above, I think my landing width should be 54 inches [36"(stairway width)+ 18" ( 1/2 required width of stairway)]. Also, based on IBC-2015/Section 1011.2 the minimum width shall not less than 44 inches ==> it's qualified as well. Please advise

We have a project Power Control Center (PCR) and we will built the stair & platform at the 3’(W) x 7'(H) exterior door. So we would like to know what is the minimum length and width of the platform to comply with IBC-2015/ Section 1011.6 building code when the door is opened onto the landing at...

We have a project Power Control Room (PCR) and we will built the stair & platform at the 3'(W)x 7'(H) exterior door. So we would like to know what is the minimum length and width of the platform (see red circles below) to comply with IBC-2015/ Section 1011.6 building code when the door is...