Journal Royal SocieljN.S. WVoL XXV. Phti IV1L 



PLAN N?3. 



Service Reservoirs at Chats wood 



EACH kX>y D1AM? 32*6* DEEP, CAPACITY llM.CALLONS 



PlACRAM SHEWlNC THICKNESS OF PLATES 



Steel Plates with a mean Strength ot~28 Tons per sqtins 

 Horizontal Joints- sinefk riveted Zap. 

 Vertical Joink- double rhrefed butt, double sfr&ps 

 with a.sh-eng/h.8<#of the so/id Plate 



Factor -of safety '= 6. 

 Required /hick, 



at 

 Actual thickness -m*e - / 



rnesA 



h 



— Note 



Thickness of" Pieties required to resist the 



pressure or water is shewn thus 



Excess of thickness provided for possible 



corrosion is shewn thus I*^$^1 



Portions shewn thus M indicate 20% added to 

 compensate for diminution of strength a,l 

 verficaJjotttfs. 



Pressure at bottom - /4/bsper sqCinch 



