This Practice provides the installer with standard details for sewer manholes, catch basins, and storm water inlets for underground gravity sewer systems. It includes details for concrete pipe and high-density polyethylene (HDPE) manholes. Details for HDPE manhole liners, chemical resistant brick manhole liners, reinforced thermosetting resin (RTP) manhole liners, and chemical-resistant manhole coatings are also provided. In addition, details for fire and vapor seals, storm water inlets, catch basins, and sealed slab and equipment drains are provided.