Manhole 4x4x4

4×4×4 Manhole Vault

Fiberglass reinforced polyester manhole vault with structural wall reinforcements and a slotted bottom for water drainage. Includes a polymer concrete slab and extension rings designed for heavy traffic applications, along with a gray iron frame and cover. Rated for 22,500 pound compression resistance in accordance with ANSI/SCTE 77‑2010, and engineered to withstand extreme temperatures, provide flame retardance, and resist chemical agents.

Uses: Primarily for telecommunications, especially fiber optic cable installations.