Heavy-duty precast concrete enclosure engineered for utility and underground infrastructure applications. Designed with steel reinforcement and an H-20 load rating, this model provides exceptional strength, durability, and reliable long-term performance.

Product Specifications

• Size: 2½′ × 4′ × 3′
• Load Rating: H-20
• Material: Precast hydraulic concrete
• Reinforcement: Steel reinforcement
• Compressive Strength: 4,400 PSI
• Internal Dimensions: 30″ × 48″ × 36″
• External Dimensions: 42″ × 60″ × 50″
• Wall Thickness: 6″ (per design)
• Unit Weight: 7,949.4 lbs
• Knockouts: 4″ diameter, number as required
• Color: Gray
• Available Lid Options: Iron Cast, Galvanized Steel, or Polymer Concrete

Built for Heavy-Duty Performance

Engineered for demanding underground environments, this enclosure is weather and UV resistant, resistant to temperature changes, non-corrosive, non-shrinking, rapid setting and hardening, and designed for low-maintenance performance.

Applications

Ideal for utility and infrastructure applications requiring a durable, reinforced precast concrete enclosure with H-20 load capability.

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.