James Gagney writes:

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?

That railing doesn't look like the kind of thing a poster here would
own...

Are you sure the owner wants holes drilled in his railing?

--
Dan Espen