Our corrugated steel pipe (CSP) is available in a variety of thicknesses, lengths and coatings. All of our products are manufactured to the latest LRFD AASHTO and ASTM specifications. These products are used extensively in flood control, drainage, and storm water systems because steel is reliable, traceable, sustainable, and strong.
CSP Standard Sizes, End Areas, and Handling Weights
Corrugated Steel Pipe Height of Cover Limits
CSP Installation Guide
Specifications, Standards & Submittals
CSP Report on Comparitive Storm Sewer Pipe Sizes
Slotted drain can be used to effectively remove surface runoff in curb and gutter applications or to intercept runoff in relatively flat areas. Our pipe is manufactured from galvanized or aluminized type II steel and is available in 12” to 48” inch diameters. Slotted drain materials are commonly used for airport, freeway, and parking lot construction.
Slotted Drain Detail 1
Slotted Drain Detail 2
Max Flow is available in both Galvanized and Aluminized Type II, this useful product was developed in response to our clients’ needs for a pipe product with the hydraulics of smooth-wall pipe and the exceptional value of Corrugated metal pipe.
Dura-FlowTM pipe, a smooth interior corrugated steel pipe, combines a standard corrugated exterior shell with a hydraulically smooth liner. The liner is continuously attached to the exterior shell along the lock seam.
CSP Protective Coatings include:
When your project requires pipe sizes and shapes that exceed the capabilities of lock seam corrugated steel pipe, St. Regis answers the call with Structural Plate, also called Multi Plate. The 6″ x 2″ corrugations in combination with increased steel thickness provide a strong durable structure. In addition to round and pipe arch shapes, structural plate is available in horizontal ellipse, underpass and box culvert shapes.
Structural Plates have many benefits compared to their alternatives, they are:
Structural Plate Brochure Segment 1
Structural Plate Brochure Segment 2
Structural Plate Brochure Segment 3
Caissons
Top 3 Photos: 126” Diameter Caissons for River Point, Chicago, IL
Bottom 3 Photos: Wrigley Field Caissons for Case Foundation
St. Regis Culverts’ Super Cor is a revolutionary alternative to conventional corrugated steel plate, utilizing a 15″ x 5-1/2″ corrugation profile to generate superior strength and durability.
These design advancements have made it possible to provide a corrugated steel product that can span distances in excess of 75 ft. and provide an economical and dependable bridge structure. Super Cor is available in round, arch or box culvert shapes with and without inverts.
Super Cor Case Study
Invert Options
Headwall Detail
Footing Detail
Dura Span Aluminum Box Culverts
St. Regis Culvert produces a complete selection of accessories for every conceivable project. Among our most common applications are fittings; elbows, Ts and Ys and end sections. Fittings facilitate field connections and minimize flow disruption where lines merge or changes in flow direction occur.
CSP Fittings
Anti Seep Collar
Steel Drop Spillway
Round or arched in a variety of sizes, slopes and materials, end sections are available for steel, plastic and concrete pipe. Easy to install and maintain, these end sections can be salvaged if the pipe must be moved or replaced. Trash guards are also available.
All St. Regis Culvert product materials are certified and meet standards set by the American Association of State Highway and Transportation Officials (AASHTO) and the American Society for Testing and Materials (ASTM). Our materials also meet criteria of the Buy American Act.
Metal End Section (MES) Submittal
Metal End Section (MES) Arch Submittal
End Section Connection Detail
Provides solutions to safety challenges, these end sections offer traversable parallel or cross-drain bars and a variety of slopes to meet requirements for the safer flattened roadside embankments, while increasing hydraulic efficiency.
SSES Submittal
Smooth tapered sleeves can be used to connect concrete and plastic pipe to a metal end section. One end of the sleeve wedges snugly into the pipe, and the other attaches to the end section using connectors. The sleeve ensures a consistent flow-line connection.
Smooth Tapered Sleeve Detail