This information has to be passed on to the person putting up the tower and the individual monitoring the job. http://www.gross-gruppe.com/gross-in-aktion/main.php?g2_view=core.UserAdmin&g2_subView=core.UserLogin&g2_return=https%3A%2F%2Fwww.pdc.edu%2F%3FURL%3Dhttps%3A%2F%2Fhammersmithscaffolding.co.uk