Civil Engineering Reference
In-Depth Information
Figure 6.153
Subsequent phases of
damaged pipeline section replacement
while still in operation: (a) pad-
welding of connectors (see Fig. 154),
(b) cutting out the pipeline wall inside
the connectors, (c) mounting of a by-
pass and after closing the flow in the
main pipeline, cutting out the damaged
segment, (d) dismantling the by-pass
and stopple plugging
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