Click on the Links below for helpful resources about our Commercial products.
ILLINOIS
IDOT Standard Specifications for Storm Sewers
IDOT Standard Specifications for Pipe Culverts
INDIANA
Indiana DOT Hydraulics & Drainage Design
Indiana DOT Materials Specifications
Indiana DOT Storm Sewer & Culverts Installation Specifications
IOWA
Iowa DOT Storm Sewer Design
Iowa DOT Plastic Pipe Material Specifications
Iowa DOT Storm Sewer Installation Specifications
Iowa DOT Storm Sewer Material Specifications
TECH DATA
Dual Wall Pipe Tech Data
INSTALLATION
Dual Wall Pipe Installation Guides
DESIGN CRITERIA
Storm Sewer Design
TAXES
Revenue Ruling - Drainage Tiles in Golf Course Greens