Green Roof Dead Load Psf

Ground vegetation dead load varies between 2 and 4 psf.

Green roof dead load psf. Normal standard for floors depends deck floor attic floor primary living area sleeping room lots of choices. The dead load of a typical asphalt shingled wood framed roof is about 15 pounds per square foot. The venny green roof has shallow substrates on two types of roof the first roof is on shipping containers and is designed for a dead load of 250kg m 2 and live load of 100kg m 2. A clay tiled roof may have a dead load.

The values for dead loads in table 3 2 are for commonly used materials and constructions in light frame residential buildings. The second trussed roof is designed for a dead load of 160kg m 2 and a live load of 40kg m 2. 0 9d 1 0w a load factor of 1 6 when adding to load 7. The load increases with the use of heavier roofing material.

Many factors influence how a system responds to loading. 1 2d 1 0e l 0 2s when h loads are present they shall have 6. Appendix a provides additional design dead loads for various green roof types and plants. Minimum design loads for buildings and other structures location uniform load psf.

Total live load 30 psf total dead load 56 psf. Plant selection is the purview of the landscape architect. 1 2 d 1 6 l 0 5 s 1 2 26 psf 1 6 30 psf 0 5 30 psf 94 2 psf. For example appendix a indicates that one type of clay tile roof system has a live load value of 20 psf and a dead load value of 15 psf.

Psf live per sq ft live load live load is movable stuff people furnature etc psf dead load is the weight of the material used to construct the building lumber flooring shingles etc. Af pa s appendix a lists a variety of live and dead load combinations for floors ceilings and rafters. 1 vegetation the selection of green roof plants is the purview of the landscape architect. Minimum uniformly distributed live loads adapted from sei asce 7 10.

0 9d 1 0e effect or 0 9 when resisting the load when permanent. 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.