Patent ID: 6533498
Filing Date: 2003-03-18
Classification: E01F

Abstract:
A prefabricated headwall structure formed as an integral unit and comprising:a back wall with an opening for accommodating a flow of water; a tray joined to the lower edge of the back wall and extending generally horizontally outwardly therefrom; a pair of sidewalls joining the back wall and the tray and extending outwardly from the back wall and defining with the tray a water flow channel; each said sidewall including (i) an upper wing; (ii) a side brace panel providing bracing for the wing, the side brace panel extending obliquely from an edge on the interior surface of the associated one of the sidewalls below the top edge of the associated sidewall to an edge on the tray; and (iii) a front brace panel having a common edge with the forward edge of the side brace panel and a lower edge meeting a respective outer side portion of the tray.