| Date |
Text |
| 2017-02-23 17:33:51 | THIS PLAN WAS REVIEWED AND FAILED BY PETER LEDUC, FIRE |
| | MARSHAL, WITH THE FOLLOWING COMMENTS: |
| | |
| | |
| | 1) THE CONSTRUCTION AND INSPECTION OF THE WATER COOLING |
| | TOWER SHALL COMPLY WITH NFPA 214, STANDARD ON |
| | WATER-COOLING TOWERS, 2011 EDITION. |
| | |
| | THERE IS INSUFFICIENT DETAIL PROVIDED TO COMPLETE A |
| | REVIEW. |
| | |
| | |
| | 2) |
| | CHAPTER 4 LOCATION OF WATER-COOLING TOWERS |
| | 4.1 CONSTRUCTION MATERIALS OF WATER-COOLING TOWERS. |
| | 4.1.1 WHERE THE COOLING TOWER?S STRUCTURE, FAN, |
| | DISTRIBUTION SYSTEM, LOUVERS, AND FILL AND DRIFT |
| | ELIMINATOR MATERIALS ARE ALL OF NONCOMBUSTIBLE |
| | MATERIALS, A FIRE PROTECTION SYSTEM SHALL NOT BE |
| | REQUIRED. |
| | 4.1.2 IF ANY OF THE CONSTRUCTION MATERIALS ARE |
| | COMBUSTIBLE AND THE FACTORS IN SECTION 4.2 NECESSITATE |
| | IT, FIRE PROTECTION SHALL BE PROVIDED IN ACCORDANCE |
| | WITH CHAPTER 5, AND TOWERS SHALL BE LOCATED IN |
| | ACCORDANCE WITH CHAPTER 4. |
| | |
| | |
| | |
| | 3) |
| | 4.8 SCREENING. |
| | 4.8.1 OPEN AREAS OR SPACE BETWEEN A COMBUSTIBLE |
| | COLD-WATER BASIN AND THE GROUND OR ROOF OF A BUILDING |
| | UPON WHICH IT IS LOCATED SHALL BE EFFECTIVELY SCREENED |
| | TO PREVENT THE ACCUMULATION OF WASTE COMBUSTIBLE |
| | MATERIAL UNDER THE TOWER AND TO |
| | PREVENT THE USE OF SUCH AREAS OR SPACE UNDER THE TOWER |
| | FOR THE STORAGE OF COMBUSTIBLE MATERIAL. |
| | 4.8.2 FIRE PROTECTION SHALL BE PERMITTED TO BE |
| | INSTALLED IN LIEU OF SCREENING. |
| | |
| | |
| | 4) |
| | 5.2.9 PROTECTION FOR FAN DRIVE MOTOR. |
| | 5.2.9.1 A SPRINKLER OR SPRAY NOZZLE SHALL BE PROVIDED |
| | OVER EACH FAN DRIVE MOTOR WHERE THE MOTOR IS LOCATED SO |
| | THAT IT IS NOT WITHIN THE PROTECTED AREA OF THE TOWER. |
| | |
| | |
| | 5) |
| | 5.2.10 EXPOSURE PROTECTION. |
| | 5.2.10.1 WHERE ANY COMBUSTIBLE EXTERIOR SURFACES OF A |
| | TOWER, INCLUDING THE FAN DECK AND DISTRIBUTION BASINS, |
| | ARE LESS THAN 100 FT (30.5 M) FROM SIGNIFICANT |
| | CONCENTRATIONS OF COMBUSTIBLES SUCH AS STRUCTURES OR |
| | PILED MATERIAL, THE COMBUSTIBLE EXPOSED SURFACES OF THE |
| | TOWER SHALL BE PROTECTED BY AN AUTOMATIC WATER SPRAY |
| | SYSTEM. |
| | 5.2.10.2 SYSTEMS FOR EXTERIOR PROTECTION SHALL BE |
| | DESIGNED WITH THE SAME ATTENTION AND CARE AS INTERIOR |
| | SYSTEMS. |
| | 5.2.10.2.1 PIPE SIZING SHALL BE BASED ON HYDRAULIC |
| | CALCULATIONS. |
| | 5.2.10.2.2 WATER SUPPLY AND DISCHARGE RATE SHALL BE |
| | BASED ON A MINIMUM 0.15 GPM/FT2 (6.11 MM/MIN) FOR ALL |
| | PROTECTED SURFACES |
| | |
| | |
| | 6) |
| | 5.7* LIGHTNING PROTECTION. LIGHTNING PROTECTION, WHERE |
| | PROVIDED, SHALL BE INSTALLED IN ACCORDANCE WITH THE |
| | PROVISIONS OF NFPA 780. |
| | |
| | |
| | 7) |
| | CHAPTER 6 ELECTRICAL EQUIPMENT AND WIRING |
| | 6.1 INSTALLATION. INSTALLATION OF ALL ELECTRICAL |
| | EQUIPMENT AND WIRING PERTAINING TO WATER-COOLING TOWERS |
| | SHALL BE IN ACCORDANCE WITH NFPA 70. |
| | 6.2* OVERCURRENT PROTECTION. ELECTRIC MOTORS THAT ARE |
| | DRIVING FANS SHALL BE PROVIDED WITH OVERCURRENT |
| | PROTECTION DEVICES AS MANDATED BY NFPA 70. |
| | |
| | |
| | 8) |
| | 6.3 STOP FAN. A REMOTE FAN MOTOR SWITCH SHALL BE |
| | PROVIDED TOSTOP THE FAN IN CASE OF FIRE. |
| | 6.4 INTERLOCK. WHEN A FIRE PROTECTION SYSTEM IS |
| | INSTALLED, PROVISIONS SHALL BE MADE TO INTERLOCK THE |
| | FAN MOTORS WITH THE FIRE PROTECTION SYSTEM AS SET FORTH |
| | IN CHAPTER 5. |
| | 6.5 VIBRATION-CONTROLLED SWITCH. A LISTED, AUTOMATIC, |
| | VIBRATIONCONTROLLED SWITCH SHALL BE PROVIDED TO |
| | AUTOMATICALLY SHUT DOWN FAN MOTORS. |
| | |
| | |
| | 9) |
| | 8.7 ACCESS. |
| | 8.7.1 ACCESS TO THE TOPS OF WATER-COOLING TOWERS FOR |
| | FIRE FIGHTING AND MAINTENANCE SHALL BE PROVIDED BY AN |
| | APPROVED STAIRWAY OR LADDER. |
| | |
| | 10) |
| | WHEN RESUBMITTING, PLEASE PROVIDE PLAN SHEET REVISION |
| | CLOUDS OR NUMBERED NARRATIVE RESPONSES TO THE ABOVE. |
| | |
| | |
| | 11) |
| | ADDITIONAL COMMENTS MAY BE PROVIDED ON THE RE-SUBMITTAL |
| | OF THE ABOVE. |
| | |
| | |
| | PLEASE ENSURE COMPLIANCE, MAKE ANY NECESSARY CHANGES |
| | AND PROVIDE AN APPLICABLE NOTE OF COMPLAINCE. |
| | |
| | PETER LEDUC |
| | FIRE MARSHAL |
| | 561-804-4709 |
| | [email protected] |
| | |
