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2020-11-18 16:24:04 | THIS PLAN WAS REVIEWED AND FAILED BY PETER LEDUC, FIRE |
| MARSHAL, WITH THE FOLLOWING COMMENTS: |
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| 1) THERE NO INDICATIONS OF EXHAUST PIPING/TUBING |
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| PER NFPA 110 |
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| CHAPTER 1 ADMINISTRATION |
| 1.1 SCOPE. THIS STANDARD CONTAINS REQUIREMENTS COVERING |
| THE |
| PERFORMANCE OF EMERGENCY AND STANDBY POWER SYSTEMS |
| PROVIDING |
| AN ALTERNATE SOURCE OF ELECTRICAL POWER TO LOADS IN |
| BUILDINGS |
| AND FACILITIES IN THE EVENT THAT THE PRIMARY POWER |
| SOURCE |
| FAILS. |
| 1.1.1 POWER SYSTEMS COVERED IN THIS STANDARD INCLUDE |
| POWER |
| SOURCES, TRANSFER EQUIPMENT, CONTROLS, SUPERVISORY |
| EQUIPMENT, |
| AND ALL RELATED ELECTRICAL AND MECHANICAL AUXILIARY AND |
| ACCESSORY |
| EQUIPMENT NEEDED TO SUPPLY ELECTRICAL POWER TO THE LOAD |
| TERMINALS OF THE TRANSFER EQUIPMENT. |
| 1.1.2 THIS STANDARD COVERS INSTALLATION, MAINTENANCE, |
| OPERATION, |
| AND TESTING REQUIREMENTS AS THEY PERTAIN TO THE |
| PERFORMANCE |
| OF THE EMERGENCY POWER SUPPLY SYSTEM (EPSS). |
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| 7.10 EXHAUST SYSTEM. |
| 7.10.1 THE EXHAUST SYSTEM EQUIPMENT AND INSTALLATION, |
| INCLUDING |
| PIPING, MUFFLER, AND RELATED ACCESSORIES, SHALL BE IN |
| ACCORDANCE WITH NFPA37, STANDARD FOR THE INSTALLATION |
| AND USE OF |
| STATIONARY COMBUSTION ENGINES AND GAS TURBINES, AND |
| OTHER APPLICABLE |
| STANDARDS. |
| 7.10.2 EXHAUST SYSTEM INSTALLATION SHALL BE GASTIGHT TO |
| PREVENT |
| EXHAUST GAS FUMES FROM ENTERING INHABITED ROOMS OR |
| BUILDINGS |
| AND TERMINATE IN SUCH A MANNER THAT TOXIC FUMES CANNOT |
| REENTER A BUILDING OR STRUCTURE, PARTICULARLY THROUGH |
| WINDOWS, |
| AIR VENTILATION INLETS, OR THE ENGINE AIR-INTAKE |
| SYSTEM. |
| 7.10.3* EXHAUST PIPING SHALL BE CONNECTED TO THE PRIME |
| MOVER |
| BY MEANS OF A FLEXIBLE CONNECTOR AND SHALL BE |
| INDEPENDENTLY |
| SUPPORTED THEREAFTER SO THAT NO DAMAGING WEIGHT OR |
| STRESS IS |
| APPLIED TO THE ENGINE EXHAUST MANIFOLD OR TURBOCHARGER. |
| 7.10.3.1 A CONDENSATE TRAP AND DRAIN VALVE SHALL BE |
| PROVIDED |
| AT THE LOW POINT(S) OF THE PIPING UNLESS THE PIPING IS |
| SELFDRAINING. |
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| NFPA 37 |
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| 8.3 CLEARANCE FROM EXHAUST SYSTEMS WITH EXHAUST GAS |
| TEMPERATURES |
| OF LESS THAN 760?C (1400?F). |
| 8.3.1 EXHAUST PIPES AND DUCTS SHALL HAVE CLEARANCES OF |
| AT LEAST |
| 225 MM (9 IN.) TO ADJACENT COMBUSTIBLE MATERIALS, |
| EXCEPT AS |
| SPECIFIED IN 8.3.2 AND 8.3.3. THE CLEARANCE SHALL BE |
| MEASURED |
| FROM THE OUTSIDE SURFACE OF THE EXHAUST PIPE OR DUCT |
| AND NOT |
| FROM ANY INSULATION THAT MIGHT BE PRESENT. |
| 8.3.2 EXHAUST PIPES AND DUCTS PASSING DIRECTLY THROUGH |
| COMBUSTIBLE |
| ROOFS SHALL BE GUARDED AT THE POINT OF PASSAGE BY |
| VENTILATED |
| METAL THIMBLES THAT EXTEND NOT LESS THAN 225MM(9 IN.) |
| ON EACH SIDE (ABOVE AND BELOW) OF ROOF CONSTRUCTION AND |
| ARE |
| AT LEAST 150 MM (6 IN.) IN DIAMETER LARGER THAN THE |
| EXHAUST |
| PIPE OR DUCT. |
| 8.3.3 EXHAUST PIPES AND DUCTS PASSING DIRECTLY THROUGH |
| COMBUSTIBLE |
| WALLS OR PARTITIONS SHALL BE GUARDED AT THE POINT OF |
| PASSAGE BY ONE OF THE FOLLOWING METHODS: |
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| (1) METAL VENTILATED THIMBLES NOT LESS THAN 300 MM (12 |
| IN.) |
| LARGER IN DIAMETER THAN THE EXHAUST PIPE OR DUCT |
| (2) METAL OR BURNED FIRE CLAY THIMBLES CONSTRUCTED OF |
| BRICKWORK |
| OR OTHER APPROVED FIREPROOFING MATERIALS PROVIDING |
| NOT LESS THAN 200 MM (8 IN.) OF INSULATION BETWEEN THE |
| THIMBLE AND COMBUSTIBLE MATERIAL |
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| PLEASE REVIEW AND PROVIDE DETAILS. |
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| 2) THERE ARE INDICATIONS OF A FUEL TANK; HOWEVER, THERE |
| ARE NO INDICATIONS OF FUEL LINE LOCATIONS AND/OR IF |
| THEY BREACH FIRE RATED WALLS. |
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| PLEASE PROVIDE DETAILS. |
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| 2A) THERE IS AN INDICATION OF A FUEL TANK; HOWEVER, |
| THERE ARE NO INDICATIONS OF THE CLEARANCE DIMENSIONS |
| AROUND THE TANK. |
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| PER NFPA 110 |
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| 7.9.12.1 A MINIMUM CLEARANCE OF 0.9 M (36 IN.) SHALL BE |
| MAINTAINED ON ALL SIDES. |
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| PLEASE PROVIDE DETAILS. |
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| 3) WHEN RESUBMITTING, PLEASE PROVIDE PLAN SHEET |
| REVISION CLOUDS OR NUMBERED NARRATIVE RESPONSES TO THE |
| ABOVE. |
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| 4) ADDITIONAL COMMENTS MAY BE PROVIDED ON THE |
| RE-SUBMITTAL OF THE ABOVE. |
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| PETER LEDUC |
| FIRE MARSHAL |
| 561-804-4709 |
| [email protected] |
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