Company has launched an aluminum product line to support the national precast market. Effective immediately, it is offering the domestically manufactured Aluminum Access Hatch series for utility vaults. The hatches are fabricated in angled or trough frame designs, both available in single or double leaf versions. The former is configured for applications where rainwater entering the vault is not a concern, while the trough frame suits applications where rainwater intrusion control is needed.
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| Trough Frame |
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| Angle Frame |
The series features optional safety grates and nets; all models meet the American Association of State Highway Transportation Officials H-20 Standard for manhole frame and cover load bearing requirements for pedestrians and vehicles in low traffic areas. The company can manufacture various types of aluminum frame styles and sizes, from standard versions in 24-in. to 60-in. square to custom orders. Aluminum ladders are also available to complement the Aluminum Access Hatch line. — Sigma Corp., Cream Ridge, N.J., 800/999-2550; www.sigmaco.com