Hey Pete,
I added this stanza to /usr/local/apache/conf/httpd.conf on frgp-ws-1:
<directory /usr/local/web/vendors/cw="/usr/local/web/vendors/cw"> require user frgp Authtype Basic AuthUserFile /usr/local/apache/conf/frgpaccess AuthName "FRGP folks" </directory>
... and did a "kill -USR1 6223" to gracefully restart the apache daemon.
--Scot