(206) 949-5683, Top Rated Plumber, Seattle
Results 1 to 8 of 8

Thread: Earthquake Retrofit Prep Work

Hybrid View

  1. #1
    DIY Member Drewski123's Avatar
    Join Date
    Aug 2011
    Location
    Seattle
    Posts
    47

    Default Earthquake Retrofit Prep Work

    I am hoping that some of you may have done or have experience with earthquake retrofitting.

    I have completed the home assessment checklist to figure out whether the house meets the requirements for the SEHR (Standard Earthquake Home Retrofit Plan Program). There is a possibility that the house does not meet all the requirements, but I am not quite sure. I think the house is missing the mud sill plate which is required for the SEHR. In case there is no sill plate, I will need to get a retrofit plan from an architect or an engineer in order to get a permit for the work.

    Looking at the pictures, is the sill plate embedded in the foundation? Or, it is not a sill plate at all. To my understanding, a sill plate can be either embedded in foundation or installed on top of the foundation. And, it usually covers the entire foundation. The studs of the pony wall are nailed to that piece of wood embedded in foundation (see attached pictures).

    What are your thoughts?

    Thanks for your help,
    DrewName:  P1080122.jpg
Views: 117
Size:  69.8 KBName:  P1080121.jpg
Views: 115
Size:  67.9 KBName:  P1080120.jpg
Views: 111
Size:  91.2 KBName:  P1080116.jpg
Views: 112
Size:  52.4 KB

  2. #2
    IBEW Electrician big2bird's Avatar
    Join Date
    Sep 2012
    Location
    Anaheim, Ca.
    Posts
    141

    Default

    I would contact a structural engineer. The untreated wood sitting directly on the concrete would concern me alot.

  3. #3
    DIY Member Drewski123's Avatar
    Join Date
    Aug 2011
    Location
    Seattle
    Posts
    47

    Default

    Are you sure that is untreated wood? I did not see any signs of rot, and the house was built in 1948.

  4. #4
    IBEW Electrician big2bird's Avatar
    Join Date
    Sep 2012
    Location
    Anaheim, Ca.
    Posts
    141

    Default

    Quote Originally Posted by Drewski123 View Post
    Are you sure that is untreated wood?
    99.9% sure.

  5. #5

    Default

    Looks untreated to me as well.

    I know that Dana knows the moisture facts backwards and forwards but if the concrete stays dry, it might be a non-issue.

    How old is the concrete?

  6. #6
    In the trades Dana's Avatar
    Join Date
    Jan 2009
    Location
    01609
    Posts
    2,720

    Default

    Until you insulate it both the wood and the concrete are drying at a reasonable rate into the conditioned space. But if you insulate it the temps will run cooler and the moisture content of the wood will rise- it gets the same capillary draw in the foundation, but both the wood and foundation dry more slowly when running at cooler average temperatures. If there is a couple feet of above grade foundation and big roof overhangs (minimal splash-back from roof edge drips) and the foundation is well drained it could still make it though.

    There's a hint of wetting history on the plank sheathing in that middle picture, but it looks like a bulk-water event, possibly even prior to the plank going up.

    Nice looking stuff though- is it all doug-fir?

Similar Threads

  1. GE GeoSpring Earthquake Bracing For California
    By Leaky1 in forum Water Heater Forum, Tanks
    Replies: 0
    Last Post: 11-28-2010, 10:37 AM
  2. sub floor prep for laminate
    By yarg28 in forum Remodel Forum & Blog
    Replies: 3
    Last Post: 09-25-2008, 06:02 PM
  3. Earthquake strapping question.
    By Mike S in forum Pumps and Tanks Well Forum & Blog
    Replies: 2
    Last Post: 08-17-2006, 09:20 AM
  4. sweating copper prep
    By Leemonster in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 7
    Last Post: 02-19-2006, 05:49 PM
  5. earthquake shut off valve on gas meter
    By marlachat in forum Plumbing Forum, Professional & DIY Advice, Tips & Tricks
    Replies: 2
    Last Post: 06-21-2005, 08:02 AM

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •