THE IRON-CLAD TRUTH:
Standard & Specifications for DWV Systems
Model Codes
NSPC
International Association of Plumbing and Mechanical Officials (IAPMO), Ontario, CA
“The National Standard Plumbing Code”
The National Standard Plumbing Code is used in Maryland, New Jersey, and some cities. The latest printing is 2024.
IAPMO
International Association of Plumbing and Mechanical Officials, Ontario, CA
“Uniform Plumbing Code”
The Uniform Plumbing Code is used in Western United States. The latest printing is 2024.
IAPMO
International Association of Plumbing and Mechanical Officials, Ontario, CA
“Uniform Mechanical Code”
The Uniform Mechanical Code is used in Western United States. The latest printing is 2024.
ICC
International Code Council, Country Club Hills, IL
“International Plumbing Code”
The IPC is a new plumbing code developed by the BOCA, ICBO, and SBCCI membership. The latest printing is 2024.
ICC
International Code Council, Country Club Hills, IL
“International Mechanical Code”
The IMC is a new mechanical code developed by the BOCA, ICBO, and SBCCI membership. The latest printing is 2024.
Resources
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CISPI Brochure
All too often, the perceived cost advantages of plastic over cast iron are not what they seem. This brochure will help it all make sense, by comparing six areas that can add cost and complexity: fire resistive construction, crush and deflection underground, thermal expansion/
CISPI Cast Iron Soil Pipe & Fittings Handbook
This newly updated handbook features the latest technical specs, installation guides, manufacturing details, layouts and other useful information for putting cast iron soil pipe and fittings to work for you.
CISPI 301
Standard specification for hubless cast iron soil pipe and fittings for sanitary and storm drain, waste and vent piping applications.