PRECAST
Roman Stone is the sole manufacturer of precast concrete conduit approved by Con Edison. Our conduit has been trusted for decades to protect the underground electrical and telecom infrastructure that powers more than 10 million people and businesses across NYC and Westchester. Precast for speed and stocked for quick delivery, it’s ready when and where you need it.
Proven Where It Matters Most
- Built to perform in New York’s high-demand utility grid, our conduit meets strict standards for durability and performance in real-world conditions
Always In Stock & Ready To Ship
- Roman Stone maintains a large inventory of conduit units in both 4- and 5-foot sections
- We have the capabilities to manufacture 6-foot sections with quick turnaround
- We support fast turnaround with standard delivery options and short lead times
Smart, Stackable Design
- Each 4- or 5-foot section is square on the outside and round on the inside for easy stacking in trenches
- Plastic couplings on the formed ends create quick, secure connections
- Modular installation simplifies duct-bank construction and speeds fieldwork
Faster, Safer Cable Repairs
- Burnouts or damaged lines can be replaced without trenching to preserve existing infrastructure
- Inline broom cleaning allows quick clearing of conduit before pulling a new cable
Millions of Feet
Supplied millions of feet of conduit to Con Edison
50+ Years
Over a half-century partnership with New York’s largest utility
First & Only Supplier
The only approved supplier of precast conduit for Con Edison
Built for Con Edison
READY FOR ANY JOB
With an unmatched commitment to quality, engineering and customer service, Roman Stone is ready to provide you with precast conduit for all your utility needs, including:
- Dense urban environments requiring efficient underground cabling
- Projects needing long-term durability and quick installation
- Repairs and upgrades where downtime must be minimized
Download the Numerical Index
Get the full list of Con Edison-approved conduit products all in one place, from skids and specs to item numbers and drawings.
Download the Conduit Turn-Radius Specs
Learn more about conduit bends with these turn-radius diagrams.
We’re an approved manufacturer for Con Edison.
