Constructed with durability and resilience in mind, this unit vault from Oldcastle Infrastructure measures 48 inches on each side and is built to meet Tier 22 load rating standards, ensuring it can withstand demanding environments. Its polymer concrete material provides robust protection, while the flush two-piece cover enhances accessibility and safety. Features such as slip-resistant surfaces and stainless steel hex bolt hardware offer reliable performance for utility applications, making this unit a practical choice for handhole and manhole assemblies. With its thoughtful design and solid construction, this vault not only meets the rigorous ANSI/SCTE-77 Tier 22 performance standard but also ensures ease of installation and use.