DESIGNING. 



.8; 



Marston's design are not novel in their general character, as 

 this type has been used exclusively as a specialty of a large Western 

 bridge and structural works, which has erected from eighty 

 to one hundred water-towers with spherical bottoms for towns, 

 cities, and industrial plants, the largest being a tank 32 ft. in 



.Block 



Galv.FiiuaL_ 

 Washer 

 _"x 14'Clrcular 

 \Steel Casting" 



FIG. 52. 



diameter, and with a shell, exclusive of full hemispherical bottom, 

 40 ft. high. The capacity of this tank is 300,0x30 gallons. 



Prior to the Fairhaven failure, the Jacksonville, Florida, 

 water-tower had been constructed, brief mention of which has 

 been previously made. As stated, this tank was 30 feet in diam- 

 eter and 45 feet high, with conical bottom and connections as 

 shown in Fig. i. 



In its general appearance this tower was very similar to that 

 at Fairhaven (Fig. 3), although differing in its design for bot- 

 tom connections and other structural details. 



The simple post connections of the Jacksonville type, as well 

 as the ease in laying out and assembly, have made this a most 



