Erect custom-built pergola covering rear patio of 1st floor unit. Engineered by wholesale patio kits. Com material: alumawood structurally engineered material. Complies with the 2009 and 2012 international building code and 20 and 2013 california building code. Dimensions: 11 wide, 7 deep, 11 high at highest point, 9 inch at lowest point, 2:12 pitch. Aluminum gutters attached tied into existing downspout system. 11 posts: four 4 inch x 4 inch alumawood lag-bolted directly into poured concrete patio. Pergola posts can also be sistered to existing 4 inch x 4 inch treated wood fence posts, mounted into concrete footings if needed. Joists: spaced 48 inch oc. Snow wind load: up to psf and mph, under icbo evaluation report #2621p.