Plan Review Notes
Plan Review Notes For Permit 17020696
Permit Number 17020696
Review Stop FIRE
Sequence Number 1
Notes
Date Text
2017-02-23 17:33:51THIS 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]
  


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