[TheForge] OT: My floor is poured: the saga

[jerry Frost]

I'm with you Walter. Just laying a plastic drain tile around the footing
that daylights or drains into a dry well is more than enough to keep things
dry. Harder but perhaps more satisfying to some folk is to lay  geotextile,
typar to name one, around the footing and lay bone rock a foot deep and
maybe one and a half wide on it and wrap the typar over it. Lots of folk
have a weird thing about plastic and will go to all the work of laying a
bone rock drain field rather than unrolling 30lbs of plastic drain tile and
slipping the sleeve over it. 

Andy, you're doing exactly what so many of us do when we're out of our
depth, we overdesign things. Just exceed code by a bit and you're golden. If
there are no codes there are standard practices for designing foundations
and drainages. ILL at the public library if you can't find the ASHTO books
online. No wait, get the current books; call the State Materials lab and get
the titles. It's a public office, just be polite they are required by law to
talk to you.

Jer
-----Original Message-----
From: TheForge [mailto:theforge-bounces at mailman.qth.net] On Behalf Of
wmullett at bright.net
Sent: Thursday, September 18, 2014 9:35 AM
To: Blacksmithing List Sponsored by ABANA
Subject: Re: [TheForge] OT: My floor is poured: the saga

What kind of house do you have sitting on this?  5 story masonry???

8" block is all you need with possibly some pilasters at bearing beams.
What you are proposing is just money down a hole.  

Do a good job with the backfill so you get rid of the water pressure.  

>My idea is to lay 1/2 or 1/3 cap blocks in a doubled manner with 8" 
>space between and fill with concrete or  grout.
>
>At the bottom where pressures are high, ever other block would go 90* 
>to the wall and act as a tie to prevent a blowout.  Rebar atop each 
>course.  Should be plenty strong... 16" thick wall.  Cap them off and 
>in the space between the top of the cap and the bottom of the existing 
>footing, pack in hydraulic cement, which will expand and thereby take 
>up the load.  Hydracide the outer surfaces, put in drains and backfill.
>
>Anyone see any holes in that plan?
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