Structures
Installation Manual
Built for Strength and Sustainability
Thompson Pipe Group manufactures a full range of precast concrete structures engineered for stormwater, wastewater, and utility infrastructure. Our offerings include prefabricated vaults, manholes, headwalls, wingwalls, box culverts (3′ x 2′ to 12′ x 12′), and custom precast components designed to meet site-specific conditions and structural requirements.
Each structure is produced in a controlled environment using high-strength concrete mixes and American steel to support recycling initiatives. By incorporating supplementary cementitious materials (SCMs), we reduce cement content, lowering environmental impact. Our process combines quality aggregates, optimized mix designs, computer-controlled batching, and proven curing methods to ensure durability and performance.
We also offer prefabricated fittings and access points for concrete pipe (12″ to 156″) and box culverts, including tees, bends, reducers, single and double wyes, and risers. Whether modular or monolithic, our structures are built to simplify installation, reduce field labor, and enhance system performance.
Structure Features
Precision-molded components
High-strength reinforced concrete
Standard and custom sizing options
Integrated lifting anchors
Pre-installed connection points
Monolithic or sectional designs
Water-tight joint systems
Supplementary materials for corrosion resistance
Built-in access openings and hatches
Compatibility with various pipe materials and diameters
Advantages:
- High structural strength for load-bearing and long-term performance
- Custom sizing and configurations to meet project-specific requirements
- Corrosion-resistant options available for aggressive soil and water conditions
- Water resistant concrete when working below water level
- Precision manufacturing ensures consistent quality, fit, and installation efficiency
- Prefabricated products save time
- Turn-key supplier for complete project, including pipe and structures
- Reduce water of natural resources
- Recycled steel certified to meet BUI America standards
Typical Applications
- Stormwater and sanitary sewer systems
- Utility vaults and access manholes
- Retention and detention systems
- Electrical and communication vaults
- Pump stations and valve chambers
- Custom underground infrastructure
- Data centers
- Pedestrian access tunnels
- Mechanical – conveyer tunnels
Installation Types
- Open-Cut Trenching
- Staged or modular assembly
- Shallow or deep burial installation
- Above-ground installation
- Limited-access or confined space installation
- Subaqueous installation (e.g., below water level)
Critical Components Used During Installation:
- Lifting anchors and rigging gear supplied by others
- Joint gaskets and sealants
- Shims and leveling tools
- Grout and bedding materials
- Connection hardware
- Base prep materials (aggregate, geotextile)
- Access covers and frames
- Safety barriers and support equipment
Strong. Dependable. Sustainable.
The widest range of precast, pressure, and trenchless pipe solutions in North America, backed by industry-leading engineering and logistics. Thompson Pipe Group delivers all that.
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