<HTML><FONT FACE=arial,helvetica><FONT SIZE=2 FAMILY="SANSSERIF" FACE=
="Arial" LANG="0">Ron:<BR>
<BR>
What you describe is not catenary. For clarification, talk with Chris Robins=
on who has done several studies of the catenary nature of bridge design (acc=
idental or not).<BR>
<BR>
PR-J</FONT></HTML>