Fire Report Record Page, 7 World Trade Center

NYC-WTC_000168987 39th Floor Auditorium I. Mechanical Ventilation an§ Air Conditioning III. Commugfcation Systems 1. The area has one packaged chilled water air condi- l. @ice Warden § wo- oman . ta tioning unit and one in-line return/exhaust§ fan, provided under Beae *oratnes Fi aie Gutside aiz is provided directly to a plenum on that Systen. no Pire Ala eine where i¢ mixes with the return air from the ~~ auditorium. From the unit, the air is distributed | 2. Pire alarm s . peakers for voice annosence | to the auditorium by medium pressure ducts, variable velume bores anf low pressure ducts. . - Dupplementes bee want for andes cna: 1 supplemettted by thé tenant for added cover Il. Smoke Contro}) Systeme ang Equipment ud, Alara §ystenus 1. In the event of a fire conditien, the fire alare 1. Speakers and visual strobe lighting are p system vill tramemit a shutdown or exhaust signal to accordance with Local Law 58/87. the BMS. Upon receipt of a abetdown signal, the supply and return fans will stop and all dampers , V- Smoke Detection Equipment will return to their normal position. Upon receipt of a smoke exhasst signal, the return dampers shall 1. A tenant smoke detection system {s pro close, the spilt Gamper shall and the return/ | early warning of smoke condition with a eshaust fan shall be energized in the exhaust mods. tioning shut-down, remote, trouble a i signals. Smoke detection equipment provi signal to Bese Buiiding F.A. System and a: in Mechanical Kéoms, Electric closets, closets and elevatar lobbies... , supplemental air conditioning units are installed for additional 1. This area has two water cooled packaged air conditioning units. Outside air is a, provided into the mechanical room from a ceptral outside air unit where it anixes 1. Activation of a smoke detector in the A/C units discharge and/or receipt of a fire : NYC 9/11 Public Portal Document