Trench Design

Bedding Classes and Load Factors

Download the NCPI Bedding Classes
design

All bedding classes outlined here are in accordance with ASTM C12.  For more information, see the Vitrified Clay Pipe Engineering Manual

Download the CAD drawings

Contact us at info@ncpi.org or 262-742-2904.

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For complete technical information, download our Manual or one of our Handbooks.
VCP Operations & Maintenance Handbook
VCP Installation & Inspection Handbook
VCP Engineering Manual
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Our Member Companies

(951) 277-4600

Visit Website

(740) 385-2184

Visit Website

(800) 776-1133

Visit Website

(602) 269-8314

Visit Website

(800) 848-2141

Visit Website