NYC 9/11 Public Portal Document
> 02/25/98 WED IB;35 FAX 212 815 3700 COSENTINI associates LLP 21002
COSENTINI ASSOCIATES LLP ■ TWO PENN. PLAZA, NEW YORK* NY 10121 ■ ll^OJWOOO ■ PAX 112-015-3700
OFFICE MEMOIUNDUM
TO; Mr. J. Majia StHMECT: EOC
FROM: Mr. Vai Lemeshev JOB NO; 1854
CC; Mt Michael Maybaum DATE: February 25,1998
>
We are reviewing youi message dated February 23,1998 and would Kke to oflet the following;
1. Corridor on the seventh floor can be 6 -0’’ wide,
i, Mechanical spaces on the seventh floor will pot be air conditioned It will be
ventilated by the means of mechanical ventilation utilizing exterior louvers.
On the regular bases building perimeter heating system and supplementary electric unit
heaters will be used to maintain a minimum of 55 degrees Fabarenheit in the space.
Generator room will be used aa a plenum. Intake lowers will be equipped with the low
leakage automatic dampers. Discharge from the geoeraton will be rigidly connected to the
louvers with automatic dampers. Existing water and sprinkler piping will be rerouted from the
room.
It is our understanding that a perimeter hot water heating pumps ate on the building
generator and water will be circulated to prevent frc«e-ups, In addition, branch piping in the
space will be electrically heat traced.
Please note, as wc discussed several times on the phone, to proceed and finalize design of
mechanical systems for ihe twenty “third floor, we need an equipment heat rejection data for the
following area;
Equipment room (23-50), storage/equipment (23«49), closets (23-18) and, most
important, LAN/HAED End room.
The issue regarding fill system for The ftiel oil tank to be reviewed with the Silverstein
Properties.
£0/50:39Wd 0b9Z6992IST:Oi Gil «9HS:W0aj 0^:11 8& 13-833
NYC-WTC_000167735
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