I'U'MBING 



SIN<;KK TOWKK. SIN<JKK KXTKNSION AND BOURNE ALTKKATION in ILDINCS 



TWO WORTHINGTON HORIZONTAL Dl.TI.KX KIRK PUMPS: CAPACITY 1,000 GAIJX)NS PKR MINUTE 



TIIK buildings are supplied with water through 

 five street eomieetions two taken from the 

 Broadway main and three from Liberty 

 Street. Three of these mains (one from Broadway 

 and two from Liberty Street) are combined into one 

 header after passing through Worth ington meters 

 and connected and by-passed to water jackets of 

 ammonia coils, having sixteen IJ-inch valvcd con- 

 nections on supplies and returns, so arranged that 

 any coil can be shut of!' for repairs without inter- 

 rupting the operation of the iee plant. 



After passing through these coils (situated in the 

 old Singer Building) the water is run through a tunnel 



I 



to a 7-inch Croton water header in the Tower, to 

 which the remaining two mains also are connected. 

 From this header the water passes through two 

 specially designed horizontal Seaife filters into an 

 8-inch header from which the supplies to two suction 

 tanks (combined capacity 10,000 gallons) are taken. 

 controlled by "Ford" float valves. 



The outlets from the suction tanks are collected 

 into an 8-inch header and run through a tunnel to 

 the high and low pressure house pumps and fire 

 pumps. 



The pumping plant consists of two high pressure, 

 compound, direct acting duplex Worthington steam 



50] 



