NORTH SYDNEY AND DOUBLE BAY SEWERAGE SCHEMES. XXVII. 



were tested. Both the air and delivery mains are in sections, so 

 that any branch can be cut out in case of an accident. Means 

 are provided for emptying the delivery mains into the sewers 

 when repairs have to be effected. 



a 



P..AM or Sun 



150 Col to* 



.M<—***m*XfA* 



The air compressing statiou is situated off Bay Street, near 

 Swamp Street, and is a one storey building of brick with sand- 

 stone facings, and roofed with tiles. The engine room is 39 ft. 

 by 23 ft. 9 in., and the accumulator room 23 ft. by 21 ft. There 

 is also an office 9 ft. by 7 ft. 6 in. 



