| Date |
Text |
| 2014-12-01 14:33:40 | PLEASE REVIEW ALL CODES CONCERNING FBC - MECHANICAL |
| | SPECIFICALY CHAPTERS 3, 4, AND DETAIL ON MECHANICAL |
| | PLANS: |
| | |
| | |
| | 301.12 WIND RESISTANCE. |
| | MECHANICAL EQUIPMENT, APPLIANCES AND SUPPORTS THAT ARE |
| | EXPOSED TO WIND SHALL BE DESIGNED AND INSTALLED TO |
| | RESIST THE WIND PRESSURES ON THE EQUIPMENT AND THE |
| | SUPPORTS AS DETERMINED IN ACCORDANCE WITH THE FLORIDA |
| | BUILDING CODE, BUILDING |
| | |
| | |
| | 301.15 NFPA STANDARDS. |
| | UNLESS OTHERWISE SPECIFIED IN THIS CODE, AIR |
| | CONDITIONING EQUIPMENT SHALL COMPLY WITH THE FOLLOWING |
| | STANDARDS: |
| | |
| | 1. NFPA 90A (STANDARD FOR THE INSTALLATION OF AIR |
| | CONDITIONING AND VENTILATING SYSTEMS). |
| | |
| | 2. NFPA 90B (STANDARD FOR THE INSTALLATION OF WARM AIR |
| | HEATING AND AIR CONDITIONING SYSTEMS). |
| | |
| | 306.1 ACCESS FOR MAINTENANCE AND REPLACEMENT. |
| | APPLIANCES SHALL BE ACCESSIBLE FOR INSPECTION, SERVICE, |
| | REPAIR AND REPLACEMENT WITHOUT DISABLING THE FUNCTION |
| | OF A FIRE-RESISTANCE-RATED ASSEMBLY OR REMOVING |
| | PERMANENT CONSTRUCTION, OTHER APPLIANCES, VENTING |
| | SYSTEMS OR ANY OTHER PIPING OR DUCTS NOT CONNECTED TO |
| | THE APPLIANCE BEING INSPECTED, SERVICED, REPAIRED OR |
| | REPLACED. A LEVEL WORKING SPACE AT LEAST 30 INCHES DEEP |
| | AND 30 INCHES WIDE (762 MM BY 762 MM) SHALL BE PROVIDED |
| | IN FRONT OF THE CONTROL SIDE TO SERVICE AN APPLIANCE. |
| | |
| | 306.3 APPLIANCES IN ATTICS. |
| | ATTICS CONTAINING APPLIANCES SHALL BE PROVIDED WITH AN |
| | OPENING AND UNOBSTRUCTED PASSAGEWAY LARGE ENOUGH TO |
| | ALLOW REMOVAL OF THE LARGEST APPLIANCE. THE PASSAGEWAY |
| | SHALL NOT BE LESS THAN 30 INCHES (762 MM) HIGH AND 22 |
| | INCHES (559 MM) WIDE AND NOT MORE THAN 6 FEET (1829 MM) |
| | IN LENGTH MEASURED ALONG THE CENTERLINE OF THE |
| | PASSAGEWAY FROM THE OPENING TO THE APPLIANCE. THE |
| | PASSAGEWAY SHALL HAVE CONTINUOUS SOLID FLOORING NOT |
| | LESS THAN 24 INCHES (610 MM) WIDE. A LEVEL SERVICE |
| | SPACE NOT LESS THAN 30 INCHES (762 MM) DEEP AND 30 |
| | INCHES (762 MM) WIDE SHALL BE PRESENT AT THE FRONT OR |
| | SERVICE SIDE OF THE APPLIANCE. THE CLEAR ACCESS OPENING |
| | DIMENSIONS SHALL BE A MINIMUM OF 20 INCHES BY 30 INCHES |
| | (508 MM BY 762 MM), AND LARGE ENOUGH TO ALLOW REMOVAL |
| | OF THE LARGEST APPLIANCE. |
| | |
| | 306.3.1 ELECTRICAL REQUIREMENTS. |
| | A LIGHTING FIXTURE WITH RECEPTACLE OUTLET, CONTROLLED |
| | BY A SWITCH LOCATED AT THE PASSAGEWAY OPENING, SHALL BE |
| | PROVIDED SO AS TO LIGHT THE PASSAGEWAY AND SERVICE AREA |
| | AND INSTALLED IN ACCORDANCE WITH CHAPTER 27 OF THE |
| | FLORIDA BUILDING CODE, BUILDING. |
| | |
| | 306.3.2 AIR HANDLING UNITS. |
| | AIR HANDLING UNITS SHALL BE ALLOWED IN ATTICS IF THE |
| | FOLLOWING CONDITIONS ARE MET: |
| | |
| | 1. THE SERVICE PANEL OF THE EQUIPMENT IS LOCATED WITHIN |
| | SIX (6) FEET (1829 MM) OF AN ATTIC ACCESS. |
| | |
| | 2. A DEVICE IS INSTALLED TO ALERT THE OWNER OR SHUT THE |
| | UNIT DOWN WHEN THE CONDENSATION DRAIN IS NOT WORKING |
| | PROPERLY. |
| | |
| | 3. THE ATTIC ACCESS OPENING IS OF SUFFICIENT SIZE TO |
| | REPLACE THE AIR HANDLER. |
| | |
| | 4. A NOTICE IS POSTED ON THE ELECTRIC SERVICE PANEL |
| | INDICATING TO THE HOMEOWNER THAT THE AIR HANDLER IS |
| | LOCATED IN THE ATTIC. SAID NOTICE SHALL BE IN ALL |
| | CAPITALS, IN 16 POINT TYPE, WITH THE TITLE AND FIRST |
| | PARAGRAPH IN BOLD: |
| | |
| | NOTICE TO HOMEOWNER |
| | |
| | A PART OF YOUR AIR CONDITIONING SYSTEM, THE AIR |
| | HANDLER, IS LOCATED IN THE ATTIC. FOR PROPER, |
| | EFFICIENT, AND ECONOMIC OPERATION OF THE AIR |
| | CONDITIONING SYSTEM, YOU MUST ENSURE THAT REGULAR |
| | MAINTENANCE IS PERFORMED. |
| | |
| | YOUR AIR CONDITIONING SYSTEM IS EQUIPPED WITH ONE OR |
| | BOTH OF THE FOLLOWING: 1) A DEVICE THAT WILL ALERT YOU |
| | WHEN THE CONDENSATION DRAIN IS NOT WORKING PROPERLY OR |
| | 2) A DEVICE THAT WILL SHUT THE SYSTEM DOWN WHEN THE |
| | CONDENSATION DRAIN IS NOT WORKING. TO LIMIT POTENTIAL |
| | DAMAGE TO YOUR HOME, AND TO AVOID DISRUPTION OF |
| | SERVICE, IT IS RECOMMENDED THAT YOU ENSURE PROPER |
| | WORKING ORDER OF THESE DEVICES BEFORE EACH SEASON OF |
| | PEAK OPERATION. |
| | |
| | 306.4.1 ELECTRICAL REQUIREMENTS. |
| | A LUMINAIRE CONTROLLED BY A SWITCH LOCATED AT THE |
| | REQUIRED PASSAGEWAY OPENING AND A RECEPTACLE OUTLET |
| | SHALL BE PROVIDED AT OR NEAR THE APPLIANCE LOCATION IN |
| | ACCORDANCE WITH CHAPTER 27 OF THE FLORIDA BUILDING |
| | CODE, BUILDING. |
| | |
| | 307.2.1 CONDENSATE DISPOSAL. |
| | CONDENSATE FROM ALL COOLING COILS AND EVAPORATORS SHALL |
| | BE CONVEYED FROM THE DRAIN PAN OUTLET TO AN APPROVED |
| | PLACE OF DISPOSAL. SUCH PIPING SHALL MAINTAIN A MINIMUM |
| | HORIZONTAL SLOPE IN THE DIRECTION OF DISCHARGE OF NOT |
| | LESS THAN ONE-EIGHTH UNIT VERTICAL IN 12 UNITS |
| | HORIZONTAL (1-PERCENT SLOPE). CONDENSATE SHALL NOT |
| | DISCHARGE INTO A STREET, ALLEY OR OTHER AREAS SO AS TO |
| | CAUSE A NUISANCE. |
| | |
| | 307.2.3 AUXILIARY AND SECONDARY DRAIN SYSTEMS. |
| | IN ADDITION TO THE REQUIREMENTS OF SECTION 307.2.1, |
| | WHERE DAMAGE TO ANY BUILDING COMPONENTS COULD OCCUR AS |
| | A RESULT OF OVERFLOW FROM THE EQUIPMENT PRIMARY |
| | CONDENSATE REMOVAL SYSTEM, ONE OF THE FOLLOWING |
| | AUXILIARY PROTECTION METHODS SHALL BE PROVIDED FOR EACH |
| | COOLING COIL OR FUEL-FIRED APPLIANCE THAT PRODUCES |
| | CONDENSATE: |
| | |
| | 1. AN AUXILIARY DRAIN PAN WITH A SEPARATE DRAIN SHALL |
| | BE PROVIDED UNDER THE COILS ON WHICH CONDENSATION WILL |
| | OCCUR. THE AUXILIARY PAN DRAIN SHALL DISCHARGE TO A |
| | CONSPICUOUS POINT OF DISPOSAL TO ALERT OCCUPANTS IN THE |
| | EVENT OF A STOPPAGE OF THE PRIMARY DRAIN. THE PAN SHALL |
| | HAVE A MINIMUM DEPTH OF 11/2INCHES (38 MM), SHALL NOT |
| | BE LESS THAN 3 INCHES (76 MM) LARGER THAN THE UNIT OR |
| | THE COIL DIMENSIONS IN WIDTH AND LENGTH AND SHALL BE |
| | CONSTRUCTED OF CORROSION-RESISTANT MATERIAL. GALVANIZED |
| | SHEET STEEL PANS SHALL HAVE A MINIMUM THICKNESS OF NOT |
| | LESS THAN 0.0236 INCH (0.6010 MM) (NO. 24 GAGE). |
| | NONMETALLIC PANS SHALL HAVE A MINIMUM THICKNESS OF NOT |
| | LESS THAN 0.0625 INCH (1.6 MM). |
| | |
| | 2. A SEPARATE OVERFLOW DRAIN LINE SHALL BE CONNECTED TO |
| | THE DRAIN PAN PROVIDED WITH THE EQUIPMENT. SUCH |
| | OVERFLOW DRAIN SHALL DISCHARGE TO A CONSPICUOUS POINT |
| | OF DISPOSAL TO ALERT OCCUPANTS IN THE EVENT OF A |
| | STOPPAGE OF THE PRIMARY DRAIN. THE OVERFLOW DRAIN LINE |
| | SHALL CONNECT TO THE DRAIN PAN AT A HIGHER LEVEL THAN |
| | THE PRIMARY DRAIN CONNECTION. |
| | |
| | AS AN ALTERNATIVE TO A SEPARATE DRAIN LINE, A |
| | WATER-LEVEL DETECTION DEVICE THAT WILL SHUT OFF THE |
| | EQUIPMENT SERVED PRIOR TO OVERFLOW OF THE PAN SHALL BE |
| | PROVIDED. THE WATER LEVEL DETECTION DEVICE SHALL |
| | CONNECT TO THE DRAIN PAN AT A HIGHER LEVEL THAN THE |
| | PRIMARY DRAIN CONNECTION. |
| | |
| | 3. AN AUXILIARY DRAIN PAN WITHOUT A SEPARATE DRAIN LINE |
| | SHALL BE PROVIDED UNDER THE COILS ON WHICH CONDENSATE |
| | WILL OCCUR. SUCH PAN SHALL BE EQUIPPED WITH A |
| | WATER-LEVEL DETECTION DEVICE CONFORMING TO UL 508 THAT |
| | WILL SHUT OFF THE EQUIPMENT SERVED PRIOR TO OVERFLOW OF |
| | THE PAN. THE AUXILIARY DRAIN PAN SHALL BE CONSTRUCTED |
| | IN ACCORDANCE WITH ITEM 1 OF THIS SECTION. |
| | |
| | 401.2 VENTILATION REQUIRED. |
| | EVERY OCCUPIED SPACE SHALL BE VENTILATED BY NATURAL |
| | MEANS IN ACCORDANCE WITH SECTION 402 OR BY MECHANICAL |
| | MEANS IN ACCORDANCE WITH SECTION 403. |
| | |
| | IN LIEU OF COMPLIANCE WITH SECTION 403.1 THROUGH |
| | SECTION 403.3, MECHANICAL VENTILATION MAY BE |
| | IMPLEMENTED IN COMPLIANCE WITH ASHRAE 62.1. |
| | |
| | 401.3 WHEN REQUIRED. |
| | VENTILATION SHALL BE PROVIDED DURING THE PERIODS THAT |
| | THE ROOM OR SPACE IS OCCUPIED. |
| | |
| | 401.4 INTAKE OPENING LOCATION. |
| | AIR INTAKE OPENINGS SHALL COMPLY WITH ALL OF THE |
| | FOLLOWING: |
| | |
| | 1. INTAKE OPENINGS SHALL BE LOCATED A MINIMUM OF 10 |
| | FEET (3048 MM) FROM LOT LINES OR BUILDINGS ON THE SAME |
| | LOT. WHERE OPENINGS FRONT ON A STREET OR PUBLIC WAY, |
| | THE DISTANCE SHALL BE MEASURED TO THE CENTERLINE OF THE |
| | STREET OR PUBLIC WAY. |
| | |
| | 2. MECHANICAL AND GRAVITY OUTDOOR AIR INTAKE OPENINGS |
| | SHALL BE LOCATED NOT LESS THAN 10 FEET (3048 MM) |
| | HORIZONTALLY FROM ANY HAZARDOUS OR NOXIOUS CONTAMINANT |
| | SOURCE, SUCH AS VENTS, STREETS, ALLEYS, PARKING LOTS |
| | AND LOADING DOCKS, EXCEPT AS SPECIFIED IN ITEM 3 OR |
| | SECTION 501.2.1. |
| | |
| | 3. INTAKE OPENINGS SHALL BE LOCATED NOT LESS THAN 3 |
| | FEET (914 MM) BELOW CONTAMINANT SOURCES WHERE SUCH |
| | SOURCES ARE LOCATED WITHIN 10 FEET (3048 MM) OF THE |
| | OPENING. |
| | |
| | 4. INTAKE OPENINGS ON STRUCTURES IN FLOOD HAZARD AREAS |
| | SHALL BE AT OR ABOVE THE ELEVATION REQUIRED BY SECTION |
| | 1612.4 OF THE FLORIDA BUILDING CODE, BUILDING FOR |
| | UTILITIES AND ATTENDANT EQUIPMENT. |
| | |
| | 401.4.1 INTAKE OPENINGS. |
| | MECHANICAL AND GRAVITY OUTDOOR AIR INTAKE OPENINGS |
| | SHALL BE LOCATED A MINIMUM OF 10 FEET (3048 MM) |
| | HORIZONTALLY FROM ANY HAZARDOUS OR NOXIOUS CONTAMINANT |
| | SOURCE, SUCH AS VENTS, CHIMNEYS, PLUMBING VENTS, |
| | STREETS, ALLEYS, PARKING LOTS AND LOADING DOCKS, EXCEPT |
| | AS OTHERWISE SPECIFIED IN THIS CODE. FRESH AIR INTAKES |
| | SHALL NOT BE LOCATED CLOSER THAN 10 FEET (3048 MM) FROM |
| | ANY CHIMNEY OR VENT OUTLET, OR SANITARY SEWER VENT |
| | OUTLET. |
| | |
| | THE EXHAUST FROM A BATHROOM OR KITCHEN IN A RESIDENTIAL |
| | DWELLING SHALL NOT BE CONSIDERED TO BE A HAZARDOUS OR |
| | NOXIOUS CONTAMINANT. |
| | |
| | 401.5 INTAKE OPENING PROTECTION. |
| | AIR INTAKE OPENINGS THAT TERMINATE OUTDOORS SHALL BE |
| | PROTECTED WITH CORROSION-RESISTANT SCREENS, LOUVERS OR |
| | GRILLES. OPENINGS IN LOUVERS, GRILLES AND SCREENS SHALL |
| | BE SIZED IN ACCORDANCE WITH TABLE 401.5, AND SHALL BE |
| | PROTECTED AGAINST LOCAL WEATHER CONDITIONS. LOUVERS |
| | THAT PROTECT AIR INTAKE OPENINGS IN STRUCTURES LOCATED |
| | IN HURRICANE-PRONE REGIONS, AS DEFINED IN THE FLORIDA |
| | BUILDING CODE, BUILDING, SHALL COMPLY WITH AMCA 550. |
| | OUTDOOR AIR INTAKE OPENINGS LOCATED IN EXTERIOR WALLS |
| | SHALL MEET THE PROVISIONS FOR EXTERIOR WALL OPENING |
| | PROTECTIVES IN ACCORDANCE WITH THE FLORIDA BUILDING |
| | CODE, BUILDING. |
| | |
| | 403.2 OUTDOOR AIR REQUIRED. |
| | THE MINIMUM OUTDOOR AIRFLOW RATE SHALL BE DETERMINED IN |
| | ACCORDANCE WITH SECTION 403.3. VENTILATION SUPPLY |
| | SYSTEMS SHALL BE DESIGNED TO DELIVER THE REQUIRED RATE |
| | OF OUTDOOR AIRFLOW TO THE BREATHING ZONE WITHIN EACH |
| | OCCUPIABLE SPACE. |
| | |
| | 403.4 EXHAUST VENTILATION. |
| | EXHAUST AIRFLOW RATE SHALL BE PROVIDED IN ACCORDANCE |
| | WITH THE REQUIREMENTS IN TABLE 403.3. EXHAUST MAKEUP |
| | AIR SHALL BE PERMITTED TO BE ANY COMBINATION OF OUTDOOR |
| | AIR, RECIRCULATED AIR AND TRANSFER AIR, EXCEPT AS |
| | LIMITED IN ACCORDANCE WITH SECTION 403.2. |
| | |
| | |
| | 601.4 BALANCED RETURN AIR. |
| | RESTRICTED RETURN AIR OCCURS IN BUILDINGS WHEN RETURNS |
| | ARE LOCATED IN CENTRAL ZONES AND CLOSED INTERIOR DOORS |
| | IMPEDE AIR FLOW TO THE RETURN GRILL OR WHEN CEILING |
| | SPACES ARE USED AS RETURN PLENUMS AND FIRE WALLS |
| | RESTRICT AIR MOVEMENT FROM ONE PORTION OF THE RETURN |
| | PLENUM TO ANOTHER. PROVISIONS SHALL BE MADE IN BOTH |
| | RESIDENTIAL AND COMMERCIAL BUILDINGS TO AVOID |
| | UNBALANCED AIR FLOWS AND PRESSURE DIFFERENTIALS CAUSED |
| | BY RESTRICTED RETURN AIR. PRESSURE DIFFERENTIALS ACROSS |
| | CLOSED DOORS WHERE RETURNS ARE CENTRALLY LOCATED SHALL |
| | BE LIMITED TO 0.01 INCH WC (2.5 PASCALS) OR LESS. |
| | PRESSURE DIFFERENTIALS ACROSS FIRE WALLS IN CEILING |
| | SPACE PLENUMS SHALL BE LIMITED TO 0.01 INCH WC (2.5 |
| | PASCALS) BY PROVIDING AIR DUCT PATHWAYS OR AIR TRANSFER |
| | PATHWAYS FROM THE HIGH PRESSURE ZONE TO THE LOW ZONE. |
| | |
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