| Date |
Text |
| 2013-11-13 10:34:39 | 6651 NORTH JOG ROAD - TRANSFORMER ROOM/VAULT |
| | TRACKING #13090955 |
| | MASTER #12040748 |
| | REVIEW COMMENTS - FIRE DEPARTMENT |
| | |
| | PER NFPA 70 - ARTICL 450: PART III. TRANSFORMER VAULTS |
| | |
| | 450.42 WALLS, ROOFS, AND FLOORS. THE WALLS AND ROOFS OF |
| | VAULTS SHALL BE CONSTRUCTED OF MATERIALS THAT HAVE |
| | ADEQUATE STRUCTURAL STRENGTH FOR THE CONDITIONS WITH A |
| | MINIMUM FIRE RESISTANCE OF 3 HOURS. THE FLOORS OF |
| | VAULTS IN CONTACT WITH THE EARTH SHALL BE OF CONCRETE |
| | THAT IS NOT LESS THAN 4-INCHES THICK, BUT WHERE THE |
| | VAULT IS CONSTRUCTED WITH A VACANT SPACE OR OTHER |
| | STORIES BELOW IT, THE FLOOR SHALL HAVE ADEQUATE |
| | STRUCTURAL STRENGTH FOR THE LOAD IMPOSED THEREON AND A |
| | MINIMUM FIRE RESISTANCE OF 3 HOURS. FOR THE PURPOSES OF |
| | THIS SECTION, STUDS AND WALLBOARD CONSTRUCTION SHALL |
| | NOT BE ACCEPTABLE. |
| | EXCEPTION: WHERE TRANSFORMERS ARE PROTECTED WITH |
| | AUTOMATIC SPRINKLER, WATER SPRAY, CARBON DIOXIDE, OR |
| | HALON, CONSTRUCTION OF 1-HOUR RATING SHALL BE |
| | PERMITTED. |
| | |
| | (A) TYPE OF DOOR. EACH DOORWAY LEADING INTO A VAULT |
| | FROM THE BUILDING INTERIOR SHALL BE PROVIDED WITH A |
| | TIGHT-FITTING DOOR THAT HAS A MINIMUM FIRE RATING OF 3 |
| | HOURS. THE AUTHORITY HAVING JURISDICTION SHALL BE |
| | PERMITTED TO REQUIRE SUCH A DOOR FOR AN EXTERIOR WALL |
| | OPENING WHERE CONDITIONS WARRANT. |
| | EXCEPTION: WHERE TRANSFORMERS ARE PROTECTED WITH |
| | AUTOMATIC SPRINKLER, WATER SPRAY, CARBON DIOXIDE, OR |
| | HALON, CONSTRUCTION OF 1-HOUR RATING SHALL BE |
| | PERMITTED. |
| | |
| | (B) SILLS. A DOOR SILL OR CURB THAT IS OF SUFFICIENT |
| | HEIGHT TO CONFINE THE OIL FROM THE LARGEST TRANSFORMER |
| | WITHIN THE VAULT SHALL BE PROVIDED, AND IN NO CASE |
| | SHALL THE HEIGHT BE LESS THAN 4-INCHES. |
| | |
| | (C) LOCKS. DOORS SHALL BE EQUIPPED WITH LOCKS, AND |
| | DOORS SHALL BE KEPT LOCKED, ACCESS BEING ALLOWED ONLY |
| | TO QUALIFIED PERSONS. PERSONNEL DOORS SHALL SWING OUT |
| | AND BE EQUIPPED WITH PANIC BARS, PRESSURE PLATES, OR |
| | OTHER DEVICES THAT ARE NORMALLY LATCHED BUT OPEN UNDER |
| | SIMPLE PRESSURE. |
| | |
| | WESLEY JOLIN |
| | FIRE INVESTIGATOR & INSPECTOR |
| | OFFICE OF THE FIRE MARSHAL |
| | WEST PALM BEACH FIRE RESCUE |
| | [email protected] |
| | (561) 805-6730 |
