4　Waste Heat Boiler

4.1　General Requirements

4.1.1　The documentation，which meet the requirement of safety technical regulation and include equipment technical documentation，product quality certificate，installation manual，supervision and inspection certification，etc.，shall be available for the equipment that belongs to the special supervision scope.

4.1.2　Besides the regulation of Article 3.2.5 of this code，the multilayer placing and storage for the boiler parts shall also meet the requirement of preventing distortion and the sequence of boiler installation.