Website PHP

I need a very simple website to navigate tasks of a company deliveries. 1. Need the site to be like this. Front. User1 log in and see available tasks. click on one task Its description, there is GPS coordinates/adress to work, and attached pdf doc in footer with more description. When user1 finish the task, user1 must fill some documentation/poll and upload pictures. and click on finish. When user click on finish user2 see it in its list for completion. user2 see the same GPS coordinates/adress to work, and attached pdf doc in footer with more description. User2 can fill up with some more pictures and when user2 finish the task is now avaiable to user3. User 3 can see the project GPS coordinates/adress to work, and attached pdf doc in footer with more description. User 3 can fill up with more pictures to stash. when it finish user4 can see the project. user4 see all details but can not change anything, but approve project or dissapprove project with possibility to comment in comment field. Admin Admin creates users, admin creates projects and fill up with info, and admin dedicates projects to different users. For example. Admin creates a project, fill textual parts, upload pdf, and in drowdown list choose user to step 1 in dropdown 2 choses user for step 2 etc. Admin sees the development of projects, unifinshed and finished projects. This is to coordinate manage teams that do different parts of the job on field and to more effectively add tasks to their workflow. You can use wordpress, joomla or whatever as base. We provide you HTML responsive css template for this work. We do this kind of job to customer of our and search to find some outsourcing help because lackage of time. This is very simple set up and should be fixed by good programmers in no time. VERY IMPORTANT. Site we will make in php, we have server to put site on later on, but you NEED to have test server. Because of very very bad experience of before, we dont pay milestones or make any payment advance before we feel that you can deliver this and are responsible to fix this without problem, and we can feel that we are developing the right product. If opposite we cancel the project immediately. Later on there will be more improvments on this site as times goes by so we are looking for long term freelancer that can work with us.