Flat Top - Detail 520 - 48 in. dia. w/ 30 in. dia. Eccentric Opening - Maricopa Assoc Governments
- SKU:
- FT-4830-MAG-520
Jensen concrete manhole flat top is designed for sanitary sewer and storm drain access applications and provides a flat structural closure with grade-level access.
- Opening: Eccentric (off-center)
- Barrel diameter: 48"
- Opening diameter: 30"
- Compliance: ASTM C478
Contact your Jensen representative for sizing and configuration details.
- Arizona
Product availability varies by location. If you need a product immediately, contact us to ensure availability.
If you need modifications to a standard product or a complete custom solution, we will work to accommodate your request in a timely manner. Please provide us with a few details about your project. Contact us now.
Downloads
Features & Benefits
Jensen concrete manhole flat top caps a below-grade access structure at shallow depths. Designed for sanitary sewer and storm drain manholes, it provides a flat structural closure with a grade-level opening while supporting durable underground access infrastructure.
Features
- Flat closure for shallow-depth manholes
- Reinforced concrete for load-bearing strength
- Precast for consistent quality
- Grade-level access opening
Applications
- Shallow sanitary sewer manholes
- Storm drain access structures
- Grade-level transitions
Technical Specifications
| Agency: Maricopa Association of Governments |
| Agency Identifier: Detail 520 |
| Load Rating: A-16 (AASHTO HS-20-44) |
| Design Specification: ASTM C-478, AASHTO M199 |
| Access Point Configuration: Concentric |
| Diameter (Inside - Min): 30 in. |
| Diameter (Outside - Min): 48 in. |
| Diameter (Outside - Max): 58 in. |
| Height (Inside): 9 in. |
| Wall Thickness: 5 in. |
| Delivery to: Arizona |
| Product Type: Flat Top |
Product availability varies by location. If you need a product immediately, contact us to ensure availability.
If you need modifications to a standard product or a complete custom solution, we will work to accommodate your request in a timely manner. Please provide us with a few details about your project. Contact us now.
