On Sat, 31 Jan 2004 15:38:50 GMT, "BigWallop"
wrote:

Try looking through these pages:

http://www.killeshal.com/concrete_lintels.htm

http://www.killeshal.com/steel_lintels.htm

http://www.killeshal.com/toc.htm


thanks, i'll work with those tables now.

i am assuming that 12 Kn/M is more than two big people standing on the
step holding a piano.

am i too far off?