Field observation report fax cover, 7 WTC OEM, Aug 1999

NYC 9/11 Public Portal Document

08/04/99 08:10 FAX 2122190256 SWANKE HAYDEN CONNELL 1^002/004 08/G3/99 16:01 FAI 212 615 3700 COSENTINI @002/004

Two Pennsyiv^.uq Pkazo Idcpltone Fox liiTsrnei Addre.« Now Yoik, NY 10121 212.615 .1600 ' 212.61.5.3700 Http: //w\~w. cosentini .com

n z* zr z ASSOCIATES LLP Cosentini Auociotes LLP Consulting Engineers August 2, 1999 Ponncrs M, A Mass, PE D. Mozur. Pi- R P. Icbot, PE Mr. Joe Aliotta O.C. Mass, PL Swanke Hayden Connell J. Micimwli, PP •S.A. Quoil. PF 295 Lafayette Street M. W. Maybauin. PF New York, NY 10012 E. BorNc-ri, PC Re; I Mayor’s Office of Emergency Management I. Bieiisioi-i, PE * (Generator Test) R. tebei. PF Our Job No. 1854 J Oskworek, PE M. A. Schloss, PE

Dear Mr. Aliotta;

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

List of Attendees:

Juan Mejia Swanke Hayden Connell Mazen Batarsem Ambassador Torn ^apsonero DCAS Richard Jarde R-B. Samuels Tony Coyle R B. Samuels Mann^ Georgioudavis R.B Samuels Brian Reynolds Russd Electric Frank) Trim arco H.O. Penn Glen Seville APT Charles Magee SPT

I. The generator full load test started approximately 6;00A.M., engines 1.2, and 3 ran at foil load for 214 hours. During this run H O. Penn monitored and recorded sill vita] characteristics on the generators (enclosed please find a copy of H.O. Penn’s test report).

2. The transict voltage load step test was performed for each of the 3 generators for each of ) and total system. During the test “APT’ with recording instrumentation recorded each step. The record charts will be examined by Cosentini for proper voltage deviation.

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NYC-WTC_000171252