NYC 9/11 Public Portal Document
Ambassador construction co., inc.
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June 10, 1999
Mr' Walter Weems
Silverstein Properties Inc.
7 wWorid Trade Center
New York, NY 10048
Re: Mayor's Office of Emergency Management
' 7 World Trade Center
I Change Order #088
I Amb. Job#Sl>7-5175
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D^ar Mr. Weems:
Wfe are pleased to submit herewith our change order #088 to perform the following work at
thi above referenced premises for the sum of ONE HUNDRED TWENTY THOUSAND
NINE HUNDRED FIFTY SEVEN DOLLARS ($120,957,00):
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W^ have carefully Surveyed the new fuel oil piping route as per the following:
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• ! The eight inch conduit which will carry the 1 1/4" supply, return and overflow pipe, will
i run through the second floor machine room corridor into the building communications
room and above the lobby ceiling to the fuel oil tank room.
• j In order for this work to be done, building ductwork must be removed and re-routed.
j Also other electrical piping will have to be relocated. The double door for the
communications room will be removed and replaced by a single door.
• I The ceiling lobby sheetrock ceiling will be removed and replaced after the piping is
‘ installed.
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• j The lobby area in front of the handicap elevators will have scaffolding so the different
I trades can work while we keep the elevators operational.
• j All work is to be performed on normal working hours, except for the scaffolding work,
j There is no overtime included in the other costs.
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I Continued...
317 ^^ADISON AVENUE . NEW YORK, NY 10017.212 922 1020 - FAX 212 949 9782
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NYC-WTC_000171303
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