99/707161 DC : DRAFT APR 99

1 Scope
2 Normative references
3 Definitions
4 Symbols
5 General
   5.1 Requirements on the manufacturer
   5.2 Requirements on fabricators and installers of piping
        and support
   5.3 Requirements on fabrication and installation
   5.4 Classification of piping
   5.5 Material grouping
   5.6 Tolerances
6 Cutting and bevelling
   6.1 General
   6.2 Transfer of marking
7 Bending and other forming
   7.1 General
   7.2 Cold forming
   7.3 Hot forming
   7.4 Tolerances
   7.5 Surface finish
8 Assembly and installation of piping
   8.1 Climatic conditions
   8.2 Fixing and alignment
   8.3 Field run piping
   8.4 Attachments
   8.5 Protection of ends of piping components
   8.6 Earthing
   8.7 Cleaning before and after welding
   8.8 Flanged or similar mechanical connections
9 Welding
   9.1 Welding personnel
   9.2 Welding procedure specifications
   9.3 Welding processes
   9.4 Filler metals and auxiliary materials
   9.5 Assembly for welding
   9.6 Weld joint preparation
   9.7 Backing rings
   9.8 Edge protection
   9.9 Execution of welded joints
   9.10 Post-weld heat treatment
   9.11 Weld identification
10 Adjustment and repair
   10.1 General
   10.2 Adjustment
   10.3 Weld repair
11 Identification and documentation
   11.1 Marking of spools and components for installation
   11.2 Marking or labelling of installed piping
   11.3 Final documentation package
12 Additional requirements
   12.1 Cleaning
   12.2 Temporary preservation
   12.3 External corrosion protection
   12.4 Thermal and acoustic insulation
   12.5 Connections for static electricity
Annex A (normative) Technical capability of the manufacturers
Annex B (normative) Contamination and surface quality of stainless
         steel
B.1 Introduction
B.2 Protection
B.3 Controlled cleaning methods
B.4 Chemical treatments
B.5 Preparing for shipment
Annex C (normative) Dimensional tolerances for fabricated spools
Annex ZA (normative) Clauses of this European Standard addressing
         requirements for other provisions of EU directives