NYC 9/11 Public Portal Document
Ambassador construction CO., INC.
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June 21, 2000
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Mr, Walter Weems
Si^erstein Properties, Inc.
7 World Trade Center
N^wYork, NY 10048
Re: Mayor's Office Of Emergency Management
1 7 World Trade Center
! Amb. Job # S57-6201
Change Order # 11>
Dear Mr. Weems:
Wc are pleased to submit herewith our change order #1 l^to perform the following
work at the above referenced premises for the sum of THREE THOUSAND TWO
HUNDRED FIFTY THREE DOLLARS ($3,253.00):
As per Swanke Hayden Connell memo dated 6/2/00 (attached) requesting we submit a
proposal to replawj the fire rated hatch in the tank room, upon further investigation we
foL|nd that there is an alternate method.
Thfe Port Authority has requested that the hatch be self-closing when the Inergen
System is activated. This can be accomplished by changing the fusible link to a electric
. thermal link, and the tying in the thermal link into the Inergen panel.
In order to accomplish this the following costs will be additional;
Ma erial Thermal Links $300.00
Lat or to Install $600.00
Eie::trical Hook up $2,000,00
Subtotal $2,800.00
General Conditions $224.00
Overhead & Fee $181.00
Insurance $4W
Total $3,253,00
Continued...
Sir MADISO AVENUE • NEW YORK, NY 10017 • 212 922 1020 - FAX 212 949 9762
NYC-WTC_000171293
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