Prefire Analysis Report | |||
| Address: 5001 LBJ | Inspection Date: December 11, 2003 | ||
| Bus. Name: Heritage Square Tower 2 | Occupancy: Business Offices | ||
| Index By Address | Index by Business Name | ||
Running Route Building Info Water Supply Utilities Unique Hazards Special Information |
Front Elevation Satelite View Photo #4 |
First Floor Floors 2-7, 9-10 Floor 8 Roof Site Plan |
N - Parking Garage E - 5005 LBJ S - 4901 LBJ W - 4835 LBJ |
Floors: 10 Sub-floors: 1 - Basement Churn Pressure: Pump to involved floor Square Feet: 19,000 Fire Flow/floor: 6000 gpm Construction Type: Type 1, Fire Resistive Exterior Walls: Glass Curtain Walls Roof: 6" concrete Interior Walls: metal studs with gypsum Emerg Power: Yes - Generator on north side of Bldg. Year Constructed: | Knox Box: Yes - South Entrance Fire Command Room: Yes - SW end of center core Alarm Panel: Yes - In Fire Command Room Elevators: Yes - 4 Cars Stairwells: Yes - 2 Roof Access: Yes - West stairwell (Stair 1) Auto-Unlock: NoYes - South entry & Stairwells Auto-Suppression: Yes - Full Coverage Standpipes: Yes - Both stairwells, each floor and roof FD Connection: Yes - (4) 2 1/2" on south side Fire Pump: Yes - 750 gpm pump in basement Smoke Control: Yes - Limited Fire Communications: Yes |
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| First | 5001 LBJ - West | feet | 1814 |
| Second | 5001 LBJ - East | feet | 1815 |
| Third | 5001 LBJ - Northeast | feet | 1816 |
| Electricity | Main electrical in basement; Electrical Closet on each floor contains a breaker box for that floor. |
| Gas | |
| Water | |
Located in southwest side of center core. Contains fire alarm panel, firefighter communications systems, public address system, public phone, building keys, and a manual override switch to unlock the stairwell doors for secured floors. |
Sounds on fire floor and on the floors above and below the fire floor. Smoke detectors are located in the elevator lobbies, in the electrical closets, at the top of each stairwell, and in various locations on each floor. Manual pull boxes are located at each exit, at each stairwell, and in the lobby. |
Cars 1 and 2 share a common shaft and Cars 3 and 4 share a common shaft. Standard fire service features are available. When the building is under emergency power, only one elevator car can be used at a time. Select the car to recieve power by using the emergency selector panel that is located in the electrical room on the 1st floor (next to Fire Control room). Lunar key openings are only available on the 10th floor. The phase I/bypass keyswitch is in the West hall next to the elevator lobby. The equipment room for all cars is in the basement. |
Standpipe connections are available on each floor in both stairwells. Both stairwells remain pressurized while the fire alarm panel shows an alarm. Stair 1 is in the west end of the center core and has a hallway that leads to an emergency exit. Each floor above the 1st can be accessed by doors on the north and south sides of the stairwell. This stairwell contains a roof access hatch which can be accessed by a flight of stairs. On inspection, it was locked by a padlock. Stair 2 is in the east end of the center core. This stairwell opens to the south side of the center core and is adjacent to the closets which contain the floor isolation valves for the sprinkler system. Immediately next to the entrance for Stair 2 is an entrance to the stairwell which allows access to the basement. The basement contains the main electrical panels and the fire pump. |
The main entry (south) unlocks on any fire alarm. There is a manual switch in the Fire Command Room that, when activated, will unlock stairwell doors to secured floors. |
Full coverage by standard automatic sprinklers. A 750 gpm pump located in the basement supplies the sprinkler and standpipe systems. The pump will start and stop automatically. Floor isolation valves are located in closets adjacent to stair 2 on each floor and can accessed without a ladder. |
Each stairwell contains a standpipe which is supplied by a 750 gpm pump. There is a 2 1/2" connection on each floor and the roof with no pressure reducing valves or flow restrictor plates present. |
While panel shows an alarm, the main air intake units in the basement shut down. Stairwell pressurization fans will activate automatically. |
Fire phone jacks are located on each floor in each stairwell, in each elevator car, and in each elevator lobby. There is a public address microphone in the fire alarm panel which is capable of all call or individual floor selection. Permanent fire phones are located in the stairwells at the 3rd and 8th floors. |