"James Gagney" wrote in message
...
Today I tried drilling a hole in the guardrail - but the drill bit
wouldn't make a dent.

See picture he
http://www5.picturepush.com/photo/a/...mg/9153893.jpg

What would you use to drill a hole suitable for mounting a garbage can
where there is no electricity available?

Attach a beam clamp to the garbage can....