Memorandum on Generator Room Insulation Recommendations, January 2000

NYC 9/11 Public Portal Document

JAN 28 ’00 15Ml PR AMBASSADOR CONSTR. C0212 949 9762 TO 6693640 P.05/09 J.'iM. £ J. juu i.«4ja- ....................... jKAirnn uniiibii ................. - 11.vmj V 3 ' t y

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Memorandum PrqMxKMiH ami Address: Project No: 557^A Mayor’ Office of Emeigeney Management Project Direct or/Manager; I 7Worli Trade Center Meinhardt/Aliotra i New Y« rk, New York Client: I Silvccstein Propenies, Inc. Subject: J 7®. Fl. Generator reem insulation recommendatieiis. ___________ __ _______________ L______ Tq From Dare Prepared. Walter Weems 111 / Silverstein Properties, Inc. Juan M. Mejia January 29, 2OO0 I Dunag our ^'slk-thfwgh of the generalor room, water tank room and die American Express space the foUowins oLdervaiionsMwK made. I 1 • A aund er of aii infilvration wsis observed around the intake louveis that need to he packed and caulked. ( 2- Wc sug ?cst that the blank louVers be irtsulaitd from the inside of the room with 3 ” foiledbacked :nincral wool R-19 minimum. 3- Build a second iunod Out In the storage roo.m adjacent to ihe American e.xpress space wi± foilbackcd mineral wool thertnal insuhe .n R-19 minitniiin. I 4- Add w< ather stripping to the double door entrance. (See attached catalog Out.) - 5' Rgitiov : radiator enclosure and column enclosure and seal all Openings where air is iafiltiaiing replace enclosures and paint if lequirt I. 6- FuraUl and install (2) additional electric unit heateis as p«' attached Cosenrini’s memo. Jn sedition 0 the above reconiincndatidns the following are a list of items lequesied by die port authority during tjie final inspection. 1- Install cat tracing at existing 6” diameter pipe IB 7”. Hoot generator room. I 2- Add mdal astrigal to double doors at 23“*. floor cooling lower mechanical room. 3- Add 01 s more sprinkler head at 1 floor lelevator room in front of roll down grill. I 1

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i i CC; Glen P /memo / DCaS i Joe Al otta/SHCA ! Martii Schneider / AC I

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I S'Viirtke Iliydw Co/’nell Ud./Swan>e thyden Connell & Pafinc.'i UP 295 Lahyeuc Strcrt, Hew Yq.^, m,w Yd* 10012 I 212 22d9«9fi,Fax3l22l90059 I JAN 25 2000 13=47 PfiGE.02

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