Tracing Method

Tracer (heating pipe) shall be installed as single line, in contact with pipe or piece of equipment to be traced, in parallel along the traced pipe and insulated together with process pipe.

1.Steam Distribution Manifold (D.M)

“D.M.” shall be installed to minimize the number of branches from the low pressure steam main header at a location where valves can easily be operated. The size of connection piping and D.M. is determined from Table 1.

Table 1 – Sizing for D.M. Header

2.Steam Tracer

The size of tracer shall be 3/8” or ½” with 30 m of max. traced length. Longer tracer runs may be possible based on the actual calculated heat loss for a given pipe under equilibrium conditions and the allowable circuit pressure.

3.Number and Size of Tracers

Tracer sizes shall only be 3/8” or ½” copper tube, carbon steel or stainless steel tube. The below table should be used as a guideline to indicate the number of tracers required.

Table 2 – Size number and material of tracer

4.Condensate Collection Manifold (C.M)

The header size of “C.M.” shall be of 2” or 3”. Condensates will be either collected by being routed to a close condensate header or drained gravel funnels depending on the area of plant. The condensate discharge from condensate collector in onsite process areas shall be discharges into a closed condensate return system. The condensate discharge from condensate collector in offsite areas shall be discharged into a dry well (open system: 6” gravel funnel). The condensate collection manifold, including valve and steam trap, shall be accessible from grade or platform.

Table 3 – Sizing for C.M. Header

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