gardens. it's fantastic. >> the portola garden tour is the last saturday in september every year. mark your calendars every year. you can see us on the websit

>> welcome to another episode of safety on today is episode we'll show you how 0 retroactive you're home let's go inside and take a look. >> hi and patrick chief officer and director of earthquake for the city and county of san francisco welcome to another episode of stay safe in our model home with matt we'll talk

about plywood. >> great thanks. >> where are we we if you notice bare studs those are prone to failure in an earthquake we need to stabilize those they don't lean over and plywood is effective as long as you nail along every edge of the plywood for the framing we'll nail along the sides and top and on the bottom 0 immediately you'll see a problem in a typical san francisco construction because nothing to nail the bottom of the plywood we've got to wind block between the studs and we'll secure this to the mud sill with nails or surface screws something to nail the bottom of the plywood. >> i notice we have not bolted the foundation in the previous episode thorough goes through

options with different products so, now we have the blocking we'll a xoich attach the plywood. >> the third thing we'll attach the floor framing of the house above so the top of the braced walls one to have a steel angle on top of this wall and types of to the top of the wall with nails into the top plate and the nails in this direction driving a nail it difficult unless you have a specialized tool so this makes that easy this is good, good for about 5 hundred pounds of earthquake swinging before and after that mount to the face of wall it secures the top of wall and nailed into the top plate of the

with triple wall and this gives us a secure to resist the forces. >> so you now see the space is totally available to dots blocking that he bottom and bolted the foundation in corneas what the code in the next episode you'll see you apply

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