Drilling and bolting will be laborious.  Yet to be mentioned is what we 
did back in the day (haven't work in a basement in a while).  Since our 
intent was just to keep the wall from shifting, we used a Ramset powder 
actuated gun to quickly shoot hardened nails (Ramset calls them drive 
pins) through the plate into the concrete (fresh concrete is always 
easier than aged but if we bumped up the gun's load we usually could get 
fasteners into even well aged floors).   I assume they can still be 
found at rental outlets or there are/were inexpensive handheld hammer 
activated models available the tool stores.  Potentially dangerous and 
loud so if you go this route use with care and hearing protection.

Mary Tegel wrote:

> Builders' felt beneath plates. PTplates. Bolt-- should be easy w new  
> concrete.
> 
> My humble opinion
> 
> hands-on impresario
> Tegel  Design +  Planning
> 
> On Nov 17, 2009, at 8:58 AM, Lawrence Kestenbaum  <[log in to unmask]> 
> wrote:
> 
>> We continue with the ongoing saga of my 900-square foot 1953 ranch
>> house in Ann Arbor, Michigan.
>>
>> In our last episode, we found that the CMU basement walls were moving
>> slowly inward, presumably due to clay soil and failure of footing
>> drains.  Contractors proposed to dig a trench along the inside of the
>> basement walls to put in new footing drains, as well as vertical 4"
>> I-beams to inhibit the walls from moving.
>>
>> Pinheads agreed that this would be a whole lot better than nothing.
>>
>> Okay, so we had the basement guys come in, and they did all that.
>> They also repoured concrete floor around the edges of the basement,
>> and installed a sump pump.
>>
>> The basement even *feels* dryer now.  So, naturally, I'd like to put
>> it to more use.
>>
>> Specifically, I'd like to put in some partition walls.
>>
>> The existing partitions in the basement (sides of the stairs, around
>> the bathroom, around the laundry/furnace room) are 2x4 framing with
>> old knotty pine paneling nailed to one side.
>>
>> I figure, I'm about as good at putting in some simple 2x4 wall framing
>> as the next half-assed homeowner.
>>
>> But I'm wondering about how to attach the plates to the concrete  
>> basement floor.
>>
>> Drill into the concrete?  Gravity?  Adhesive?
>>
>> How would *you* do it?
>>
>>                                           Larry
>>
>> ---
>> Lawrence Kestenbaum, [log in to unmask]
>> Washtenaw County Clerk & Register of Deeds, http://ewashtenaw.org
>> The Political Graveyard, http://politicalgraveyard.com
>> P.O. Box 2563, Ann Arbor, MI 48106
>>
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> 
> 
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