[MW:12333] How many cycle permitted in chart as per B31.3?

Dear All,
How many cycle (Graphs) Permitted in one chart (Graph Papper), In CS
pipe 3 jonits X8" started PWHT in first time and another 3 joints
started after 30minuts at the same graph (with out informing to the
client). it is acceptable as per B31.3?

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