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| Pipe line half excavated fr. SW ... NB919 B20 P60 ... NB919 B20 P60 |
| Drain, manhole and robbing trench fr. SW ... NB919 B30 P92 ... NB919 B30 P92 |
| Drain, manhole and robbing trench fr. SW ... NB919 B30 P92 ... NB919 B30 P92 |
| Manhole and drain, detail from SW ... NB919 B30 P92 ... NB919 B30 P92 |
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