1--Sump at the lowest point on City Hall Loop.
No. 2--Sump at intersection of Elm and White Streets.
No. 3--Sump at 38th Street in the Murray Hill Tunnel.
No. 4--Sump at intersection of 46th Street and Broadway.
No. 5--Sump at intersection of 116th Street and Lenox Avenue.
No. 6--Sump at intersection of 142d Street and Lenox Avenue.
No. 7--Sump at intersection of 147th Street and Lenox Avenue.
No. 8--Sump at about 144th Street in Harlem River approach.
No. 9--Sump at the center of the Harlem River Tunnel.
No. 10--Sump at intersection of Gerard Avenue and 149th Street.
In addition to the above mentioned sumps, where pumping plants are
maintained, it is necessary to maintain pumping plants at the
following points:
Location No. 1--At the cable tunnel constructed under the
Subway at 23d Street and Fourth Avenue.
Location No. 2--At the sub-subway at 42d Street and Broadway.
Location No. 3--At the portal of the Lenox Avenue extension
at 148th Street.
Location No. 4--At the southerly end of the Harlem River tube.
Location No. 5--At the northerly end of the Harlem River tube.
Location No. 6--At the portal at Bergen Avenue and 149th Street.
In the case of the No. 1 sump a direct-connected electric
triple-plunger pump is employed, situated in a pump room about 40 feet
distant from the sump pit. In the case of Nos. 2, 4, and 7 sumps,
automatic air lifts are employed.
Pages:
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186