He says the weights vary from 9 to 12 psf.
Irc dead load tile roof.
If you have the original design information on the trusses you should be able to determine the top chord design dead load.
The wood tower has a concrete tile roof.
Trusses that are designed for asphalt or composite type shingles can have dead loads of around 7 10 pounds per square foot psf.
D dead load l live load l r live roof load w wind load s snow load e earthquake load r rainwater load or ice water load t effect of material temperature h hydraulic loads from soil f hydraulic loads from fluids.
Schedule of permanent loads commonly found in residential properties.
Thick 125 12 in.
Thick 100 10 in.
Trusses that are designed for concrete tile can have top chord dead loads of 15 psf or higher.
I was figuring out the dead loads for a wood tower on a wood building.
I was planning to use 15 psf as weight of my tile.
Thick 60 2015 jobsite codes indd 11 12 15 15 3 22 pm.
The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.
Thick 150 concrete block wall 8 in.
So all things being equal if you were able to use a rafter table for dead loads of 10 pounds per square foot for the asphalt roof you should be able to use a rafter table for dead loads of 15 pounds per square foot for the tile roof.
Foot ceiling construction gypsum sheetrock finish 10psf floor construction carpet or vinyl 10 psf hardwood floor 12 psf ceramic tile 15 psf.
Arch 331 note set 13 1 s2014abn 2.
Standard loads of materials.
Dead loads cont d typical weights of horizontal systems roof construction asphalt shingles 15 psf pounds per sq.
The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process.
Dead loads average dead loads are included in the prescriptive tables for.
The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings.
What is the general weight that i should assume for concrete tile.
My co worker is saying i am being too conservative.
3 3 dead loads dead loads consist of the permanent construction material loads comprising the roof floor wall and foundation systems including claddings finishes and fixed equipment.
Footings floors walls roofs 2018 irc essentials workbook page 42 for example spread footing sizes for conventional frame construction assume average weights for the construction materials being supported.
