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Shaft details

    Running-on level :  (above OD)

    • North (1951)
      • top deck:      525.58 ft
      • bottom deck:   514.16 ft
    • South (1951)
      • top deck:      514.11 ft
      • bottom deck:   507.79 ft

    Depth :

    • North 
      • 1877:      520 yd
      • 1955:      590 yd
    • South  
      • 1879:      512 yd
      • 1922:      903 yd

    Diameter :         14 ft

    Alignment :        NE-SW

    Separation :       95 yd

    Construction :

    • North 
      • 18 yd:       @ 18in brickwork
      • 117 yd:      @ cast iron tubbing
      • remainder:   @ 9in red brick
    • South 
      • ?18 yd:     @ 18in brickwork
      • ?117 yd:    @ cast iron tubbing
      • remainder:   @ 9in red brick

Shaft cables

  • Power
  • Signal
  • Telephone
  • Telemetry

Shaft pipes

  • rising pump main
  • descending water main
  • methane extraction
  • leakage collection

Sources:

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22 Aug, 2020

at

05:58:51 PM

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