Engineering firm correspondence, 7 World Trade Center, August 1999

NYC 9/11 Public Portal Document

1)3 ')4 49 03 10 F'V.t 2122190258 SWLNKK HAYDEN CONM-I.I. 1^00 2 00 4 08/03/99 18:01 FA.t 212 815 3700 COSENTINI 0002/004

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zr zr 7 ASSOCIATES LLP Cosenlini Associates LLP Consulting Enginoan August 2, 1999 PonncTi M. A Masi, PE 0. Mo'uf PF R P. loboi, PE Mr. Joe Aliotta J.C. W.s, PL Swanke Hayden Connell J. Michuwli, PF •S.A. Quuil, Pp 295 Lafayette Street M. W. Maybuuin. PF New York, NY 10012 E. BofNc'ri, PC Re; ' Mayor’s Office of Emergency Management I. Bieosiocl. PE (Generator Tert) a. Lebel. PF J Oskworek. PE Our Job No. 1854 M. A. 5chlo5.i, PE

Dear Mr. Aliotta:

The following are the results of the Emergency Generator test for the noted project on 7/31/99.

List of Attendees* I i Juan Mejia Swanke Hayden Connell Mazen Batarsem Ambassador Tom Papsonero DCAS Richard Jarde R.B. Samuels Tony Coyle R.B. Samuels Manny Georgioudavis R.B. Samuels Brian Reynolds Kussd Electric FrankjTrimarco H.O. Penn Glen Neville APT Charles Magee SPT

1. The generator lull load test started approximately 6;00AM., engines 1. 2, and 3 ran at lull load for 2Mi hours. During this run U.O. Penn monitored and recorded all vital characteristics on the generators (oi»cisBB±pitt»e4ind-a-6Gpy-0f H.O Penn’s test report). , Y'e-Pcr 2. The transiet voltage load step test was performed for each of the 3 gtrnerators for each of , and total system. During the test “APT" with recording instrumenution recorded each step. The record charts will be examined by Cosentini for proper voltage deviation. i

Combi idgM Cliiu')(‘)C NawYort OHordo Wo'hinglon.

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