Confined Spaces Published on February 27, 2018 by Candace Flores. LBNL Confined Space Inventory LBNL Confined Space Manholes LBNL Confined Space FAQ’s List of Confined Space Entry Supervisors at LBNL Final Report Assessment of Confined Space Program at LBNL Confined Space Maps Sanitary Sewer Locations Storm Drain Map (8.09) Storm Drain Map 2 (2.18.11) Storm Drainage System Map 2 (2.18.11) Storm Drains Storm Water Vaults and Manholes