Designed for large-scale underground infrastructure applications, the C-CAST 12′ × 6′ × 8′ precast concrete enclosure provides a heavy-duty solution engineered for strength, durability, and reliable long-term performance.

Product Specifications

• Material: Precast hydraulic concrete
• Reinforcement: Steel reinforcement
• Compressive Strength: 4,400 PSI
• Load Rating: H-20
• Internal Dimensions: 144″ × 72″ × 96″
• External Dimensions: 80″ × 152″ × 94″
• Unit Weight: 27,965 lbs
• Knockouts: 2.5″ diameter, number as required
• Color: Gray
• Lid: 24″ cast iron lid; rectangular frame available
• Available Lid Options: Iron Cast, Galvanized Steel, or Polymer Concrete

Built for Heavy-Duty Performance

Engineered for demanding underground environments, this enclosure offers weather and UV resistance, resistance to temperature changes, non-corrosive and non-shrinking material properties, and low-maintenance performance.

Installation & Access Features

The design includes stairs, lifting holes, lifter points, knockout holes, and a drainage sump, providing practical features for installation, access, and underground infrastructure use.

Applications

Ideal for utility and infrastructure applications requiring a larger, heavy-duty precast concrete enclosure.

Made for American Infrastructure

The product sheet identifies BABA Certification / Domestic Manufacturing Requirements and displays ANSI, SCTE, SBA/Service-Disabled Veteran-Owned Certified, MBE Certified, and Made in USA marks.

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C-CAST — Strength for Tomorrow.