Started the layout and construction of the firewall.<BR>Drilled and clecoed the lower flange stiffener to firewall.<br>This was followed by the Top stiffener and L angle to the top stiffener.<br>Next the side stiffeners were drilled and clecoed in place.<br><br>Turned the Firewall over and dirlled and clecoed the rear reinforcement  and Langles to the firewall.<br><br>Drilled and clecoed the Centre Stiffener to firewall, then followed this with the gussets to each side of the centre stiffener.		