Preparation of necessary designs for the sanitary landfill in Makkah, where the landfill will be used to dispose of sludge resulting from sewage plants in the city of Makkah. The project includes surveying works, collecting soil pallets and others, as well as preparation of an environmental study, which was approved by the General Authority for Meteorology and Environmental Protection (The study includes hydrological studies, topographic studies, and collection of water, air, soil and sludge samples). And preparation of the necessary reports, as well as holding workshops with the National Water Company and the National Center for Environmental Compliance