Project Architecture using ZEND framework 1.11 & Doctrine 2x

We need to develop a hospital management system, its a small project having just 25-30 tables and similar number of screens. We will prefer to develop it on zend framework 1.11 using Doctrine 2x ORM. Please bid to prepare initial project architecture prepare domain Models error handling modules Please read the project first and write the word "Understood". Also write your steps and suggestions to complete the project with a short description of what you understood.