The success or failure of any biodigester depends mainly upon the appropriateness of the design, suitability of site for construction and quality of construction works including quality of construction materials and workmanship involved during construction. This booklet highlights the methods for selecting appropriate size and site for construction as well as steps of construction works related to the Modified GGC Model of Biogas Plant for Pakistan. This manual is prepared to assist the masons to successfully carry out their anticipated roles in constructing quality biodigesters.
Further, the report elaborates on masons’ responsibilities; the components of a biogas plant; steps for the installation of a biogas plant, including the selection of the correct size and construction site and quality standards of construction materials and appliances; proper construction of the biogas plant. This part describes the whole process of plant construction from the plant lay-out and digging of the pit to construction of the inlet tank, fitting of pipeline and appliances and checking the gas and water tightness. The report ends with a conclusion.