steveray said:
Shouldn't the upturned rebar be OK as it is tied to the footing rebar with the usual steel tie wires? And didn't the language change a bit from my 05 NEC where it says nearest the bottom to something like anywhere you can hit it?
2008 NEC
250.52(A)(3) Concrete-Encased Electrode. An electrode encased
by at least 50 mm (2 in.) of concrete, located horizontally
near the bottom or vertically, and within that portion of a
concrete foundation or footing that is in direct contact with
the earth, consisting of at least 6.0 m (20 ft) of one or more
bare or zinc galvanized or other electrically conductive
coated steel reinforcing bars or rods of not less than 13 mm
(½ in.) in diameter, or consisting of at least 6.0 m (20 ft) of
bare copper conductor not smaller than 4 AWG.
Reinforcing bars shall be permitted to be bonded together
by the usual steel tie wires or other effective means. Where
multiple concrete-encased electrodes are present at a
building or structure, it shall be permissible to bond only
one into the grounding electrode system.