This technology analyzes environment and features of fluid of the pipeline or water pipeline with our accumulated experience in pipeline cleaning, inspection & lining. This technology offers Total Service such as inspection, assessment, cleaning, lining and maintenance for deteriorated pipeline with our self-developed technology & state-of-the-art equipment.
Surface preparation should be satisfied with client's requirement and remarked specification, and should be acceptable to the work site and environment.
Surface preparation can be devided to cleaning inside method and surface profile method. It gives major impact to the quality of the rehabilitation construction.
Generally it would be processed to form the surface profile from 25~100§(1~4mils).
| Comparison chart of blasting grade | |||
|---|---|---|---|
| SSPC | SIS 055900 | BS 4232 | NACE |
| White Metal(SP5) | Sa 3 | 1st Quality | Grade 1 |
| Near White Metal (SP10) | Sa 2¨ö | 2nd Quality | Grade 2 |
| Commercial Finish (SP6) | Sa 2 | 3rd Quality | Grade 3 |
| Light Blast & Brush Off | Sa 1 | N/A | Grade 4 |
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