PPR 88 for major pipeline repairs

Document * .doc; 25 pp .;
PPR contents: Explanatory note General instructions Technical documentation for the installation of pipelines Building structures for pipelines Instructions for unloading and storing parts and blocks of pipelines Acceptance and preparation of piping parts and fittings for installation 6.1 Valves and actuators 6.2 Flanges and gaskets 6.3 Fasteners 6.4 Compensators 6.5 Bent, forged and welded parts of pipelines 6.6 Supports, pendants and springs Production of pipeline parts at the assembly site Assembling pipeline parts in blocks. General 8.1 General 8.2 Preparation of pipe ends for welding. 8.3 Assembly of flange joints 8.4 Acceptance of assembled blocks 8.5 Thermal insulation of blocks Installation of pipelines. 9.1 Marking the route and installing suspensions and supports 9.2 Lifting, installing and aligning blocks 9.3 Installing gaskets and connecting flanges 9.4 Installing expansion joints and performing cold tightening 9.5 Installing drains, air vents, benchmarks and instrumentation in the pipeline Installation of equipment and drives. 10.1 Installation procedure for valves 10.2 Installation of actuators Preparation and commissioning of mounted pipelines 11.1 Hydraulic testing of pipelines 11.2 Cleaning of the internal surfaces of pipelines Technical documentation for the commissioning of mounted piping Occupational health and safety measures Installation of scaffolding and scaffolds Fire safety measures Sling patterns Electrical safety measures Appendix 1. Wiring diagram pipelines Appendix 2. Defective list ";