Method of Manufacturing a Precast Concrete Utility Vault
(10) US2025262797A1
(22) 25.04.2025; (43) 21.08.2025
(57) A method for manufacturing a precast concrete utility vault is disclosed, focusing on fabricating a single-piece, rectangular lower riser section using an upside-down monolithic pour of reinforced concrete. The method employs a formwork system configured to form a lower riser section with four walls, a slab section, and a sump channel, ensuring precise dimensions and high structural integrity. The upside-down pouring technique facilitates uniform concrete distribution and efficient curing, producing a robust vault component suitable for housing large electrical transformers ...
(71) Mulqueen Arthur; Burshtein Leonard, US
