Smooth Cor™ Corrugated Metal Pipe (CMP)
Smooth Cor is a CMP pipe with a hydraulically smooth steel liner coated with polymer coating. This combination makes Smooth Cor Pipe the economical and performance alternative to reinforced concrete pipe in difficult situations such as weak soils, poor subsurface drainage conditions, steep slopes, and high fills.
Steel-Lined, Polymer Coated CMP Pipe for Difficult Situations Smooth Cor consists of a standard corrugated steel pipe as its structural exterior shell and includes a hydraulically smooth steel liner. Both the interior liner and exterior shell are coated on both sides with a polymer coating. This combination makes Smooth Cor Pipe the economical and performance alternative to concrete in difficult situations such as weak soils, poor subsurface drainage conditions, steep slopes, and high fills.
Smooth Cor can be fabricated into any type of structure including tees, elbows, laterals, catch basins, manifolds and reducers. Pre-fabricated fittings are more economical and have superior hydraulic characteristics when compared to concrete structures.
Smooth Cor should be specified as an alternative under normal site conditions and specified exclusively under very difficult situations that demand the strength of CMP with positive joints and a hydraulically efficient smooth liner.
Smooth Cor Pipe Features and Benefits
FEATURES
Smooth steel liner
Corrugated steel shell
Polymer coating
High beam strength
Lightweight
BENEFITS
Manning’s “n” of 0.012, outperforms reinforced concrete pipe
Provides structural strength to outperform rigid pipe
Protects against abrasion and corrosion to provide a service life of 100 + years
Superior to concrete pipe in many difficult situations such as weak soils, poor subsurface drainage conditions, steep slopes and high fills
Easier and less expensive to install than concrete pipe
Smooth Cor Pipe Properties - Lined with either 18 or 20 gage steel
- Diameters ranging from 18” to 66” in 2 2/3 x 1/2 corrugation
- Diameters ranging from 48” to 126” in 3 x 1 corrugation
- Standards lengths are 20’- 40’
Smooth Cor Pipe Shapes - Full Round - recommended for most applications.
- Pipe-Arch - used in limited headroom conditions. The low, wide pipe-arch design distributes the flow area horizontally, providing hydraulic capacity without lowering the grade.
- View Sizes and Uses Chart
Smooth Cor Pipe Accessories - End Sections
- Joint & Banding Systems
- Fittings
- MOBILE PIPE®
Smooth Cor Pipe Applications - Culverts, canals and ditch enclosures
- Storm sewers
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