The following table gives an overview of all the steps required to build a biogas unit. The order follows a usual time-line. There are steps which can be combined. However, to skip any of them might lead to future problems.
| Customer | Contractor |
|---|---|
| organizes advertisement, awareness creation | |
| hears about biogas, develops interest, get's in contact with the contractor | |
| gives first overview over costs | |
| writes letter to the customer | |
| writes a request | |
| starts file | |
| makes a side visit, including: discussion and calculations | |
| makes a quantity survey, | |
| does object planning | |
| writes invoice explains warranty performances |
|
| makes first payment (50%) | organizes a customer and constructor sign contract |
| hands over a list of building material to be delivered by the customer | |
| prepares the material he agreed to deliver | |
| organizes material delivery, reference line, main construction work, finishing, landscaping, slurry component, piping. | |
| starts to fill the plant second payment (50%) |
|
| finishes piping installation of gas consumption accessories | |
| discusses handing over | |
| makes an agreement on co-operation regarding fertiliser utilisation | |
| makes a follow up on fertiliser utilisation | |
| does customer monitoring | |
| conducts technical and agricultural service visits |