Materials and Workmanship
All equipment furnished shall be new and guaranteed free from defects in materials, design, and workmanship. It shall be the manufacturer's responsibility to ascertain the conditions and service under which the equipment will operate and to warrant that operation under those conditions shall be successful. All parts of the equipment shall be amply proportioned for all stresses that may occur during fabrication, erection, and intermittent or continuous operation. Equipment and materials shall be provided suitable for the service conditions and meeting standard Specifications such as ANSI, ASME, AWWA, ASTM, IEC, NEMA, BS, UBC and UL.
All equipment shall be designed, fabricated, and assembled in accordance with the best modern engineering shop practice. Individual parts shall be manufactured to standard sizes and gauges so that repair parts, furnished at any time, can be installed in the field. Corresponding parts of duplicate units shall be interchangeable. Equipment shall not have been in service at any time prior to delivery, except as required by tests. Iron castings shall be tough, close-grained gray iron, free from blow-holes, flaws, or excessive shrinkage and shall conform to ASTM A4874.
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