I am trying to configure a large dam reservoir on a Mike + system. The reservoir has several tributaries flowing into it and has a defined Height Volume Area relationship. It also has a defined set of spillway characteristics. I am trying to set this up using a storage and control structure for the spillway but I am having a little difficulty. I would appreciate it if anyone has an example or similar of such a setup or could give some tips and tricks on how to setup this configuration.  Thank you