the prepartion before installation.doc

the preparation before installation; 2, pipe processing production; 3, support production and installation; 4, piping prefabrication and assembly; 5, pipe laying and installation; 6, pipe connected to the equipment; 7, instrument installation; 8, pressure testing and qing (blow) wash; 9, anticorrosion and thermal insulation; 10, debugging and commissioning; 11, the completion of acceptance. Six, project handover acceptance technology conditions (a) the condition of project handover acceptance formalities After completing all project construction units, construction units should be timely delivery acceptance formalities, project handover before acceptance, the construction unit to deal with industrial pipeline engineering check, and confirm that meet the following conditions: Construction scope and content in accordance with the provisions of the contract and design documents. The quality of the project comply with the provisions of the design documents and specifications. (2) the project handover acceptance of technical data Project handover before acceptance, the construction unit shall check the technical file of industrial pipeline engineering construction, construction records and test reports. 1. The technical documents (1) piping components of product certification, quality certification documents and the re-inspection, the test report. (2) pipe installation completion figure, design and modify the file material substitute for single. (3) the NDT and heat treatment after welding of pipes, accurately show that welding process in pipeline axonometric drawing information. Weld location, weld number, welder, for example, code, method of nondestructive testing, nondestructive testing of weld location, weld repair welding, heat treatment and hardness test of weld location, etc. 2. Construction records Piping components, for example, check the record, valve testing record, pipe bend processing records, pipeline welding inspection Chad records,