Memorandum proposing an automatic pump and collection tank unit to resolve flow limitations in the 7th floor water booster system.
NYC-WTC_000172160Folder label: “O.E.M. @ T.W.T.C.”
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NYC 9/11 Public Portal Document 18:31 FAX 2122190256 SWANKE HAYDEN CONNELL 07;04 FAX 212 615 3700 COSENTINI ASSOCIATES 0002
zSENTINI ASSOCIATES LLP ■ TWO PENN. PLAZA, NEW YORK, NY 10121 ■ 212-615-3600 ■ FAX 212-615-3700
JOB MEMORANDUM
TO: Joe Alrotta SUBJECT: [email protected].
FROM: Ron Pincott JOB NO: 1854
CC: M. Maybaum J. Dwyer DATE: July 6,1999 V. Lemeshev
RE; 7th Floor Domestic Booster System Bearing Drips
We have reviewed the domestic water booster system located on the 7th floor with (he supplier of the system. The pump provided has bearings that are water cooled. This discharge is very limited in flow. To eliminate the problem of getting rid of this water, we propose (he use of an automatic pump and collection tank unit. This unit will be installed adjacent to the pump package and will sit on the waterproofed floor.
The pump unit shall be:
• Federal Pump Corporation model AITV automatic unit
• Heavy duty 10 gallon tank
• Pump; 1/3 h-p. 1750 RPM -Single phase 60 eye. 115 volt with cord and plug -20 GPM - 10 ft. hd. -2" inlet - 1" discharge
Provide 2" trap and funnel on tank inlet for proposed I.W. from bearing seals of domestic pump system. Connect pump discharge pipe to the existing sump pump discharge pipe at the corridor wall. Provide check valve and shutoff valve in discharge piping.
A 120V 30 amp receptacle shall be provided at die location of the new pump for plug in connection. This shall be coordinated with the electrical contractor.
We are reviewing the building alternate to the self contained plump and tank unit.
X:\WI»U’ILES\l854.99\Rl’CM0706.M01
JUL 07 ’99 18 ••47 2122190256 PAGE,02
NYC-WTC_000172160
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Internal job memorandum proposing an automatic pump and collection tank unit to resolve limited flow in the 7th floor domestic water booster system.
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Technical memo proposing installation of an automatic pump and collection tank to resolve water discharge issues from the domestic water booster system on the 7th floor.
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NYC-WTC_000168401
Internal job memorandum proposing an automatic pump and collection tank unit to resolve limited flow in the 7th floor domestic water booster system.
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Technical memo proposing installation of an automatic pump and collection tank to resolve water discharge issues from the domestic water booster system on the 7th floor.
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