Page 578 - Corrosion Engineering Principles and Practice
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540   C h a p t e r   1 3                              C a t h o d i c   P r o t e c t i o n    541































                      FIGURE 13.16  Ductile iron municipal watermain protected with tape wrap
                      and sacrificial magnesium anodes. (Courtesy of Dean Rookes, West Coast
                      Corrosion Prevention Ltd.)





























                                                 (a)
                      FIGURE 13.17  Holes being drilled for sacrificial anode installation (a); thermit
                      welding of anode connection on watermain (b); anode cluster ready to be
                      buried and connected to fire hydrant tap. (Courtesy of Drinking Water
                      Services, City of Ottawa)
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