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All Forums > Technical Forums > Structural Forum >

Anchor Bolt requirements 1984?

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Posted By

homeinspector12345

Kent, WA
Posts: 13
Joined: Feb, 2011

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Thread Start First Page
[#1] Posted: 06/02/2012 - 5:44:11 PM

Was it code for anchor bolts to be used in 1984?

or do most homes you see built around 1984 have them?

Thanks

mgbinspect

Ashland, VA
Posts: 2938
Joined: Jan, 2006

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Anchor Bolt requirements 1984?
[#2] Posted: 06/02/2012 - 8:22:21 PM

Quote: Originally posted by homeinspector12345

Was it code for anchor bolts to be used in 1984?

or do most homes you see built around 1984 have them?

Thanks

We were already installing them routinely in 1972, when I entered the masonry trade.

"This above all: to thine own self be true." - William Shakespeare

ericwlewis

indy, IN
Posts: 291
Joined: Jan, 2011

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Anchor Bolt requirements 1984?
[#3] Posted: 06/02/2012 - 9:53:56 PM

yes but did you remember the nuts??

mgbinspect

Ashland, VA
Posts: 2938
Joined: Jan, 2006

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Anchor Bolt requirements 1984?
[#4] Posted: 06/03/2012 - 04:50:07 AM

Quote: Originally posted by ericwlewis

yes but did you remember the nuts??

Now that you mention it, Eric, I have seen them missing a couple times and pitifully loose many times, but that's the carpenter's responibility.

"This above all: to thine own self be true." - William Shakespeare

Erby

Georgetown, KY
Posts: 2179
Joined: Mar, 2002

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Anchor Bolt requirements 1984?
[#5] Posted: 06/03/2012 - 06:21:38 AM

Golly, you mean these are a problem!

Click to View

59.92?KB

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57.79?KB

I couldn't find a single nut present on the anchor bolts of this house. Same basement over a crawl space house that had too short or missing squash blocks on the i-joists.

-

Erby Crofutt
B4U Close Home Inspections
Georgetown, KY
www.b4uclose.com
www.kentuckyhomeinspections.com
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Kentucky Home Inspections
Kentucky Home Inspectors
502-570-4054

mgbinspect

Ashland, VA
Posts: 2938
Joined: Jan, 2006

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Anchor Bolt requirements 1984?
[#6] Posted: 06/03/2012 - 08:43:51 AM

Quote: Originally posted by Erby

I couldn't find a single nut present on the anchor bolts of this house. Same basement over a crawl space house that had too short or missing squash blocks on the i-joists.

They're just guides to make certain that, when a tornado comes along, the home is lifted straight up, instead of off to one side - to protect other homes in the neighborhood. It's only cricket, you understand...

"This above all: to thine own self be true." - William Shakespeare

Erby

Georgetown, KY
Posts: 2179
Joined: Mar, 2002

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Anchor Bolt requirements 1984?
[#7] Posted: 06/03/2012 - 10:19:51 AM

That makes perfect sense, Michael.

Jim Katen

Gaston, Oregon
Posts: 8090
Joined: Dec, 2003

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Anchor Bolt requirements 1984?
[#8] Posted: 06/03/2012 - 10:30:57 AM

Quote: Originally posted by homeinspector12345

Was it code for anchor bolts to be used in 1984?

or do most homes you see built around 1984 have them?

Thanks

In the '70s CABO required 1/2" bolts 6' on center and not more than 12" from corners.

Jim Katen, Oregon
www.amipdx.com

John Kogel

Victoria, British Columbia
Posts: 2403
Joined: Nov, 2009

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Anchor Bolt requirements 1984?
[#9] Posted: 06/03/2012 - 8:46:57 PM

In 1968, we were installing anchor bolts in foundation walls up here in the North. It is way easier to build the floor with the sill firmly attached to the concrete.

With the nuts missing, the house still has to jump 2 or 3 inches to clear the bolts. Not saying it can't happen in tornado country.

www.allsafehome.ca

mgbinspect

Ashland, VA
Posts: 2938
Joined: Jan, 2006

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Anchor Bolt requirements 1984?
[#10] Posted: 06/04/2012 - 01:40:13 AM

Quote: Originally posted by John Kogel

In 1968, we were installing anchor bolts in foundation walls up here in the North.

What? You're older than me, John? You really must update your profile pic. I'd have never guessed....

"This above all: to thine own self be true." - William Shakespeare

John Kogel

Victoria, British Columbia
Posts: 2403
Joined: Nov, 2009

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Anchor Bolt requirements 1984?
[#11] Posted: 06/04/2012 - 08:22:49 AM

Quote: Originally posted by mgbinspect

Quote: Originally posted by John Kogel

In 1968, we were installing anchor bolts in foundation walls up here in the North.

What? You're older than me, John? You really must update your profile pic. I'd have never guessed....

Me and that Chevy are the same age. I like your holster set. Wanna trade some comics for it? I got "Treasure Island".

www.allsafehome.ca

mgbinspect

Ashland, VA
Posts: 2938
Joined: Jan, 2006

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Anchor Bolt requirements 1984?
[#12] Posted: 06/04/2012 - 09:43:30 AM

Quote: Originally posted by John Kogel

Quote: Originally posted by mgbinspect

Quote: Originally posted by John Kogel

In 1968, we were installing anchor bolts in foundation walls up here in the North.

What? You're older than me, John? You really must update your profile pic. I'd have never guessed....

Me and that Chevy are the same age. I like your holster set. Wanna trade some comics for it? I got "Treasure Island".

If memory serves, those darn cap guns never did fire right, so I'd probably be temped...

"This above all: to thine own self be true." - William Shakespeare

OakRidgeInspects

Branchburg, NJ
Posts: 6
Joined: May, 2011

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Anchor Bolt requirements 1984?
[#13] Posted: 06/05/2012 - 4:46:43 PM

Just a quick note. In the disaster and insurance inspection vernacular, a home without sill plate anchorages is called a slider. If in the future you ever see footage from a helicopter of a neighborhood that got hit by a tornado or hurricane, sliders stand out as clean foundations or empty basement basins, with a big mass of debris about 40 feet away. (Also of note, the connector manufacturers do make retrofit sill plate anchors.)

Oak Ridge Engineering
Residential & Commercial
Licensed Engineering & Inspections

hausdok

Kenmore, WA
Posts: 15394
Joined: Dec, 2003

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Anchor Bolt requirements 1984?
[#14] Posted: 06/06/2012 - 12:56:07 AM

Yeah,

We've had sliders here too. There was one 100 year old home on Beacon Hill that slid off it's foundation during the Nisqually quake 11 years ago and ended up in the middle of an intersection.

ONE TEAM - ONE FIGHT!!!

Mike

Marc

Lafayette, Louisiana
Posts: 3857
Joined: Nov, 2009

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Anchor Bolt requirements 1984?
[#15] Posted: 06/06/2012 - 06:15:23 AM

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76.8?KB

Marc

"If Guam gets too overpopulated, it might tip over."
Congressman Hank Johnson (D) GA

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