Manholes

Professional Precast Manholes for Sewer and Stormwater Systems

When underground infrastructure needs maintenance, inspection, or monitoring, reliable access is essential. Our precast manholes provide the durable, precisely engineered entry points your sewer and stormwater systems require.

WHAT ARE PRECAST MANHOLES?

Precast manholes are round concrete structures designed to provide access points to underground infrastructure. These essential components allow maintenance crews, inspectors, and engineers to enter underground systems safely for inspection, cleaning, repairs, and monitoring. Whether you're managing municipal sewer lines, stormwater drainage networks, or commercial underground utilities, manholes serve as the critical interface between surface operations and buried infrastructure.Built to withstand decades of traffic loads, soil pressure, and environmental exposure, properly constructed precast manholes ensure safe, reliable access throughout the life of your underground systems.

DIAMETER OPTIONS FOR EVERY APPLICATION

We manufacture manholes in four standard diameters to accommodate various access requirements and system specifications:

4-Foot Diameter – Compact design for residential areas and light-duty applications where space is limited and standard access is sufficient

5-Foot Diameter – Versatile mid-range option balancing accessibility with footprint, ideal for many municipal and commercial installations

6-Foot Diameter – Enhanced working space for complex junction points and systems requiring comfortable crew access for maintenance operations

8-Foot Diameter – Maximum capacity for major infrastructure nodes, pump stations, and installations demanding extensive interior work space

Each diameter is available in various heights, providing the flexibility to match your specific site conditions, pipe configurations, and depth requirements. This range ensures you can select the optimal manhole size for safe access without over-building or compromising worker safety.

CUSTOM CONFIGURATIONS

Every underground system presents unique challenges. Our manholes can be customized to meet your specific installation requirements:

Extended Base Options – Manufactured with extended bases when site conditions, pipe angles, or junction complexity requires additional foundation support and stability

Channeling – Manholes can be channeled as needed to control and direct water flow underground, preventing turbulence, reducing sediment buildup, and ensuring efficient hydraulic performance through complex pipe intersections

Custom Heights – Produced in various heights to accommodate different burial depths, ensuring proper alignment with existing infrastructure and surface grade requirements

COMPLETE SYSTEM COMPONENTS

We provide all the components necessary for complete manhole installations:

Cast Iron Frames and Covers – A comprehensive selection of cast iron frames and covers designed to accompany manhole structures, providing durable surface protection, secure closure, and load-bearing capacity appropriate for your traffic conditions

Grade Rings – Available to provide additional height adjustment during installation or when surface grade changes require elevation modifications, ensuring proper frame-to-surface alignment without complete manhole replacementThis complete component availability streamlines procurement, ensures compatibility, and simplifies installation coordination.

APPLICATIONS

Our precast manholes serve critical roles in underground infrastructure:

Sewer Systems – Providing essential access points for inspection, maintenance, and cleaning of wastewater collection networks

Stormwater Systems – Enabling monitoring and maintenance of drainage infrastructure, junction inspection, and flow management verificationBoth applications benefit from the structural integrity, longevity, and reliable access that quality precast manholes deliver.

LEAD TIMES AND ORDERING

Manhole lead times vary based on diameter, height, quantity ordered, and other project-specific factors such as custom channeling or extended base requirements. Our production team coordinates manufacturing schedules with your installation timeline to ensure manholes arrive when your project needs them.

WHY CHOOSE OUR PRECAST MANHOLES?

✓ Four standard diameters from 4' to 8'

✓ Various heights available

✓ Custom channeling for flow control

✓ Extended base options

✓ Complete frames, covers, and grade rings

✓ Engineered for sewer and stormwater applications

✓ Durable precast construction

✓ Decades of reliable performance

ENSURE SAFE INFRASTRUCTURE ACCESS

Don't compromise on underground access quality. Contact us today to discuss your manhole requirements, explore diameter and configuration options, and receive accurate lead time information for your project.