1.1 This Design Standard provides design requirements for Reinforced Thermosetting Resins (RTR) pipe and pipeline for use in the following applications: • Flowlines and testlines • Water injection systems 1.2 This Design Standard applies to: • Buried piping systems. • Above ground piping systems with Client prior approval. • High pressure piping systems (MAOP  500 psi) and low pressure piping systems (MAOP < 500 psi). • Flowlines, testlines and water injection systems in location Class 1. • Road crossing in location Class 2 with a population density index for any kilometer segment is 10 or less. • Table 1.2-1 gives the recommended temperature limits for reinforced thermosetting resins pipe.