1. GENERAL PRINCIPLES
1.0.1 Design of the watersupply and drainage pipelines in a petrochemical enterprise must meet the requirements for water supply and drainage in in-plant production, fire-fighting, and living demand, and should be technically advanced, economically reasonable, safe and reliable, and environmentally friendly.
1.0.2 This code is applicable to the design work in a newly built petrochemical enterprise, and it also may be used as reference in expansion and reconstruction of these pipelines.
1.0.3 In addition to this code, provisions in current relevant compulsory standards and codes should be followed out.
Contents
PREFACE………………………………………………………………………………………………
1 GENERAL PRINCIPLES…………………………………………………………………………
2 GENERAL PROVISIONS………………………………………………………………………
3 PIPELINE…………………………………………………………………………………………
3.1 Pipeline laying and valve setting…………………………………………………………
3.2 Pipeline foundation and buried depth……………………………………………………
4 AUXILIARY STRUCTURE……………………………………………………………………
4.1 Feed and dry wells………………………………………………………………………
4.2 Water-seal well………………………………………………………………………
4.3 Inverted siphon…………………………………………………………………………
4.4 Stormwater inlet………………………………………………………………………
4.5 Outfall………………………………………………………………………………
5 HYDRAULIC CALCULATION……………………………………………………………
6 SELECTION OF PIPE MATERIAL AND CONNECTION OF PIPES………………………
7 ANTI-CORROSION AND THERMO-INSULATION OF PIPELINES………………………
7.1 Exterior anti-corrosion……………………………………………………………………
7.2 Interior anti-corrosion……………………………………………………………………
7.3 Thermo-insulation…………………………………………………………………………
Elucidation of Some Wordings………………………………………………………………………