# Dafne Serdio

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## Activity overview

Latest activity by Dafne Serdio
• Dafne Serdio created a post,

### Fire Wall Rating

I could not find a lot of information on Fire Walls and how they should be rated mainly because this topic gets easily mixed and confused with occupancy separation.  After searching a while I encou...

• Dafne Serdio commented,

I found an explanation of how inverts work in the reference Site Engineering for Landscape Architects. It gives me a clearer idea but I’m running into a discrepancy between the use of the pipe Leng...

• Dafne Serdio commented,

Hi, I’m currently traveling around the world and have tested in Brasil and Hong Kong.  I took two tests each time one week apart. Rio de Janeiro was extremely slow in both exams almost freezing som...

• Dafne Serdio commented,

Shraddha, Guess what I found while studying Ching’s Construction Illustrated Book? In 7.09 Vegetated Roofing I found the  60-90 pcf stated.  It doesn’t explain why but it also mentions the thicknes...

• Dafne Serdio commented,

Thank you Anson, this helped me greatly understand the table.

• Dafne Serdio commented,

That could make sense...is that something you have come across before?

• Dafne Serdio commented,

Shraddha, I looked at the 2015 IBC and based on what it says, the range in PSF (lb/sqft) would be 20-100 psf. They want pcf (lbs/cubic ft) so the only way I can think this could be converted is if ...

• Dafne Serdio created a post,

### Lateral Support for Mansory Walls

Hi, I’m looking at the table below (Ching’s Construction Illustrated) for what I assume is the spacing of the lateral support elements based on Height and Length of wall.  I’m not sure if I’m using...

• Dafne Serdio created a post,

### Foundations: Treated wood

I’m looking at Ching’s Construction Illustrated. Does anyone know what the below note is referring to?

• Dafne Serdio created a post,