Originally Posted By: Rafael
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hi
Does anybody know if northern California has a frost line and if so what is the dept?
hi
Does anybody know if northern California has a frost line and if so what is the dept?
Originally Posted By: dvalley
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A frostline in California???
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David Valley
MAB Member
Massachusetts Certified Home Inspections
http://www.masscertified.com
"Some cause happiness wherever they go; others, whenever they go."
Originally Posted By: bkelly2
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oops
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“I used to be disgusted, Now I try to Be amused”-Elvis Costello
Originally Posted By: bkelly2
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http://www.mtshastaphotos.org/
David, You need to get out more. 
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"I used to be disgusted, Now I try to Be amused"-Elvis Costello
Originally Posted By: bkelly2
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Rafeal, contact the local building dept for the frost line4 depth.
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“I used to be disgusted, Now I try to Be amused”-Elvis Costello
Originally Posted By: jpope
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| Rafael wrote: |
| hi
Does anybody know if northern California has a frost line and if so what is the dept? |
Frost lines are based on elevations and, yes, CA has frost lines in the higher elevations.
Check with the local building and planning department.
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Jeff Pope
JPI Home Inspection Service
"At JPI, we'll help you look better"
(661) 212-0738
Originally Posted By: Rafael
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thanks guys I know some parts in Ca. get pretty cold but was not sure
about the frostline here.
Originally Posted By: Jay Moge
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you could also do a little “networking” with the local builders by popping in on a construction site, introduce yourself and ask the forman if you may look around for some eyeball education and slip in the frost line question. i did just that last fall and got 3 different answers for my area in N.H. one said 30’’ one said 24’’ and one said 36’’. but generally those #'s indicate how far they have to dig to get below the frost line. plus you get a chance to hand out your bus. cards., and what not.
Originally Posted By: Monte Lunde
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From HUD maps: 8" to 10" center of state north , 10" to 20 " NE corner of state., this is the guide line that you use when designing a permanent foundation for a manufacture home.
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Monte Lunde CCI, CCPM, CRI
Viking Construction Services Inc.
Originally Posted By: mcyr
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Hey; Jay;
Hope you don't follow those recommendations, Brunswick, Maine is not that far away, and the require depth here is 5 feet to the bottom of the footings.
Marcel
Originally Posted By: Jay Moge
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Marcel, i know you speek from experience, but is there a list, or chart that states frost line depths on a geographic scale? i’m sure we could all use the info. i also think to what the builders tell me and wonder if i mis-interperated it. maybe they meant 36’’ to top of 24’’ footing. either way i’ll never dig to inspect it, but still nice to know.
Originally Posted By: lewens
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Jay
I lived for many years in Southern Quebec which is not very far at all from Derry. The frost line in Southern Quebec is between 4 & 5 feet. In that Derry NH is a litte south but not much of Rock Island I would suggest a frost depth of the same and during cold winters it may go down even farther. I can believe the frost line in upper elevations in CA to be much the same.
Larry
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Just my usual 12.5 cents
From The Great White North Eh?
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Originally Posted By: mcyr
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Hi. Jay;
Larry is correct in what he said and to elaborate as to how different areas are different, I would like to say that my home town in Madawaska, Maine on the New Brunswick, Canada Border, the frost line up there is seven feet up to eight feet deep. That is why the houses up there all have basements and foundation walls are usually a full eight feet in height and a 12" x wall thickness + 6" on both sides.
I worked in Millinocket, Maine back in the late 70's building a school and the requirement there was 6'0. That meant a 12" thick footing and at least a 5 foot wall. That sucked at the time, because coming from up North our Simplex forms that we had, had to be cut to 64" in order to form the walls.
Not all was lost because now we had 32" and 64" panels that made our system a little more modular for other jobs.
We sold these forms in 1986 and went with a complete new system manufactured by Western Aluminum plywood faced forms. My company has just now sold this system and went with a complete new Western Aluminum panel system.
Take a look at this system. http://www.westernforms.com/
Frost depths are not well defined in the IRC and recommend to adhere to local jurisdiction as to frost depth in that area.
I wood imagine that New Hampshire is most likely like the Brunswick, Maine Area. Four foot foundation on a 12" thick footing.
Hope this helps.
Marcel
Originally Posted By: Jay Moge
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Larry & Marcel, thank you both for straitening me out. like i said, i’ll never dig it up to see if it’s correct, but it is good to know. now all i need to do is let all those builders know that they are doing it all wrong
. by the way Marcel, i’m 5’7, 165lbs, do you think i’d fit in one of those forms ? probably huh? Yeah i’ll just keep my mouth shut. Originally Posted By: mcyr
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Jay; When I was 16 years old and foundations were built with plywood forms with whalers and snap ties and yes (frog wedges) to hold all the whalers, he used to tell me to go inside a form for the fireplace foundation and twist the number 9 wire gauge that served as the form ties. I weighed 170 lbs. as I do now and 5' 8" high.
I always fretted the thought that concrete was going to be poured before I was done. ha. ha.
Marcel
Originally Posted By: Jay Moge
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Marcel.
kinda like if you've ever gone over the chesepeake bay bridge tunnel and read the liturature at the gift shop at either end, they tell you that any member of the build crew who happen to die while building the bridge/tunnel was burried in the pillars while 5+ miles out to sea and no way for any vehicle to get to them. if i'm not mistaken the numbers are in the hundreds. talk about concrete shoe's, that's a full body suite to match.  
Originally Posted By: ccoombs
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I’m doing a project in Central California. They require 100 psf snow load, but no frost line requirements…go figure. It all depends on the local building department.
It should be noted that some areas are very specific. In the Lake Tahoe area they have areas that have 450 psf snow loads and other areas with no snow load requirements...they call this area the banana belt.
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Curtis
Originally Posted By: mcyr
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Hi. Curtis;
Something here does't add up.
In Maine snow load level is about 130 psf. for a load drift.
When ground snow load is about 20 psf..
Blizzard of 96' brought 21 psf. and 100 year storm 26.
Coastal Maine in the past 50 years is 62 psf and 72 psf in the past 100 years.
Is your comment maybe in error?
Marcel