Easi-Set all-precast concrete buildings have been specified since 1978 for water and wastewater facilities across North America for their durability, ease of installation and cost-effectiveness. They are available in customized or standard designs, require minimal site preparation and can be installed in hours. They are available in sizes from 8 by 12 by 8 ft to 50 by 250 by 35 ft and with clear-span roofs.