- 889 - SECTION 1051 -- IRON CASTINGS
1051.01 Description
1.Iron castings shall conform to the requirements of ASTM A 48, Class No. 35B.
2.Malleable iron castings shall conform to the requirements of ASTM A 47, Grade 32510 or ASTM A 47M, Grade 22010.
3.Ductile iron castings sha ll conform to the requirements of ASTM A 536, Grade 60-40-18.
1051.02 Acceptance Requirements
1.Iron castings will be accepted based on the requirements of this Section and a manufacturer's certificat e of compliance indicating compliance with the requirement in this Section.
2.The manufacturer shall furnish a ce rtificate stating t hat the material used in the manufacturing of the cast ings meets the requirements of the specifications.
3.When castings are shipped from tested stock, this certificate need not be furnished. - 890 - SECTION 1052 -- GALVAN IZED SHEET METAL
1052.01 Description
1.Galvanized sheet metal shall conform to the requirements of ASTM A 653/A 653M. The sheet metal shall be at least 24 gauge [0.028 inch (0.70 mm)] thick and have a coating weight conforming to coating designation G 115/Z 350.
1052.02 Acceptance Requirements
1.Galvanized sheet metal will be accepted based on the requirements of this Section and a ma nufacturer's certified test report showing compliance with the requirements in this Section.
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Source: Nebraska Standard Specifications for Highway Construction, 2017 Edition. Pages 923–923 of 1,048. View official source ↗