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| 28021 Coker-Vail Rd * Holden, LA 70744 * Phone: (225)567-2700 * Fax: (225)567-3089 |
| * Straight Base or Extended Base Sections * Riser Sections in 1’, 2’, 3’, and 4’ Sections * Eccentric Cones in 2’ and 3’ Sections * Grade Rings in 4” and 6” Sections or as Required * Flexible rubber connectors available in most sizes to accommodate pipe penetration * Interior/Exterior Coating and Steps |
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| STANDARD SIZES AVAILABLE: |
| Precast concrete manholes are used in sanitary sewer and storm drain systems for maintenance access, observation points, changes in pipe size or direction, and junctions for multiple pipes. |
| Application: |
| Specifications: |
| Class 1 concrete with design strength of 4500 PSI at 28 days. |
| CONCRETE: |
| REINFORCEMENT: |
| Conforms to ASTM C478 – “Standard Specification for Precast Reinforced Concrete Manhole Sections” |
| CASTINGS: |
| Cast iron manhole ring and cover shall be nominal 24”-inch and shall be traffic duty. |
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| 48” Manhole (Standard Base) 48” Manhole (Extended Base) 48” Manhole (Short) |
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| Options Available: |
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