4 April 2011

The underground chamber

A while ago I put out this quiz on the concrete block enclosure under the finished floor level (see HERE....and the answer HERE)..well, here it is, finishing up.

tipping sand into the enclosure under bathroom floor

the plywood floor structure "lid"
concrete over

the same is being done at the entry "genkan"...packing the sand in

....adding reinforcement steel...and concrete...

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