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| List of Material Specifications (Alphabetical) | List of Material Specifications (Numerical & Topical) |
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This section contains material specifications. The material specifications are from the NRCS’s National Engineering Handbook Series Part 642, also referred to as National Engineering Handbook Section 20 (NEH-20), as well as several state interim specifications. The interim specifications are numbered starting at 800. The material specifications along with construction specifications (see Section 5) make up the contract specifications and can be used as the requirements in construction contracts. The materials selected will be shown on the drawings and/or also in the construction specifications.
See the general discussion in Section 5 for a description on specifications (construction and material) and their use in construction contracts.
This section was updated in April 2000.
NRCS IL April 2000