hosted application development

this project is to be a hosted applications. to bid on these projects you must have high experience of programming. the first one to be completed is a construction management software. it is to consist of the following modules: Purchase Supplier Employees - must include a site register so it can interact with payrol Payroll Project cost analysis Project Cost Site Diary Creditors Cheque ledger Cash flow forecast each of the above area's must interact with each other this is a vital proccess for this system. such that when a cheque is issued it amends the project cost etc. the current system consists of several excell spreadsheets, and sage for placing orders. all the wages for emplyees are also done in sage. also it needs to have a backend of mssql and coded in asp or asp.net using xml. or asp and mssql. it is to be a hosted application. the code most be fully commented and the project should be fully documented so that future maintenance can be carried out easily. there should be consistency of the code and also the menu's should be used as include files to make easy updates to menu structure for the future. you may also have a understanding of construction which will be advantages.