380-24®P Watertight Manhole Ring and Cover Storm Sewer
The standard 380-24®P 24″ cast iron bottom-flanged watertight manhole ring and cover is the ultimate choice for storm sewer applications, delivering exceptional durability and performance. Featuring “Storm Sewer” lettering, this stock item includes a secure gasket and six stainless steel bolts to ensure a dependable watertight seal. H-20 traffic rated when properly installed in reinforced concrete, it is built to withstand heavy-duty conditions. Manufactured from coated cast gray iron and meeting ASTM A48 CL35B or better and AASHTO M306-10 (M105) standards, it guarantees superior quality and compliance. Custom lettering and logos are available for special orders. Proudly made in the USA, this manhole ring and cover is the trusted solution for infrastructure projects demanding American-made reliability.
Contact Bass & Hays or call us today Toll Free 1-800-258-2278 -or- 972-263-1360 DFW Metro to check stock, request drawings or submittals, BABA, AIS or LEED certifications, or place orders.









