| Date |
Text |
| 2015-09-23 12:15:48 | 1ST REVIEW: FBC 2014 MECHANICAL |
| | PERMIT #15090563 |
| | 09/23/15 |
| | |
| | 1) THE NEW DRYER AND DRYER VENTING SHALL BE IN |
| | COMPLIANCE WITH SECTION 504 FBC-14 MECHANICAL. PLEASE |
| | REVISE THE DRAWINGS IN ACCORDANCE WITH THE FOLOWING |
| | CODE COMPLIANCES. |
| | 504.1 INSTALLATION. |
| | CLOTHES DRYERS SHALL BE EXHAUSTED IN ACCORDANCE WITH |
| | THE MANUFACTURER'S INSTRUCTIONS. DRYER EXHAUST SYSTEMS |
| | SHALL BE INDEPENDENT OF ALL OTHER SYSTEMS AND SHALL |
| | CONVEY THE MOISTURE AND ANY PRODUCTS OF COMBUSTION TO |
| | THE OUTSIDE OF THE BUILDING. |
| | EXCEPTION: THIS SECTION SHALL NOT APPLY TO LISTED AND |
| | LABELED CONDENSING (DUCTLESS) CLOTHES DRYERS. |
| | 504.2 EXHAUST PENETRATIONS. |
| | WHERE A CLOTHES DRYER EXHAUST DUCT PENETRATES A WALL OR |
| | CEILING MEMBRANE, THE ANNULAR SPACE SHALL BE SEALED |
| | WITH NONCOMBUSTIBLE MATERIAL, APPROVED FIRE CAULKING OR |
| | A NONCOMBUSTIBLE DRYER EXHAUST DUCT WALL RECEPTACLE. |
| | DUCTS THAT EXHAUST CLOTHES DRYERS SHALL NOT PENETRATE |
| | OR BE LOCATED WITHIN ANY FIREBLOCKING, DRAFTSTOPPING OR |
| | ANY WALL, FLOOR/CEILING OR OTHER ASSEMBLY REQUIRED BY |
| | THE FLORIDA BUILDING CODE, BUILDING TO BE |
| | FIRE-RESISTANCE RATED, UNLESS SUCH DUCT IS CONSTRUCTED |
| | OF GALVANIZED STEEL OR ALUMINUM OF THE THICKNESS |
| | SPECIFIED IN SECTION 603.4 AND THE FIRE-RESISTANCE |
| | RATING IS MAINTAINED IN ACCORDANCE WITH THE FLORIDA |
| | BUILDING CODE, BUILDING. FIRE DAMPERS, COMBINATION |
| | FIRE/SMOKE DAMPERS AND ANY SIMILAR DEVICES THAT WILL |
| | OBSTRUCT THE EXHAUST FLOW SHALL BE PROHIBITED IN |
| | CLOTHES DRYER EXHAUST DUCTS. |
| | 504.3 CLEANOUT. |
| | EACH VERTICAL RISER SHALL BE PROVIDED WITH A MEANS FOR |
| | CLEANOUT. |
| | 504.4 EXHAUST INSTALLATION. |
| | DRYER EXHAUST DUCTS FOR CLOTHES DRYERS SHALL TERMINATE |
| | ON THE OUTSIDE OF THE BUILDING AND SHALL BE EQUIPPED |
| | WITH A BACKDRAFT DAMPER. SCREENS SHALL NOT BE INSTALLED |
| | AT THE DUCT TERMINATION. DUCTS SHALL NOT BE CONNECTED |
| | OR INSTALLED WITH SHEET METAL SCREWS OR OTHER FASTENERS |
| | THAT WILL OBSTRUCT THE EXHAUST FLOW. CLOTHES DRYER |
| | EXHAUST DUCTS SHALL NOT BE CONNECTED TO A VENT |
| | CONNECTOR, VENT OR CHIMNEY. CLOTHES DRYER EXHAUST DUCTS |
| | SHALL NOT EXTEND INTO OR THROUGH DUCTS OR PLENUMS. |
| | 504.5 MAKEUP AIR. |
| | INSTALLATIONS EXHAUSTING MORE THAN 200 CFM (0.09M3/S) |
| | SHALL BE PROVIDED WITH MAKEUP AIR. WHERE A CLOSET IS |
| | DESIGNED FOR THE INSTALLATION OF A CLOTHES DRYER, AN |
| | OPENING HAVING AN AREA OF NOT LESS THAN 100 SQUARE |
| | INCHES (0.0645 M2) SHALL BE PROVIDED IN THE CLOSET |
| | ENCLOSURE OR MAKEUP AIR SHALL BE PROVIDED BY OTHER |
| | APPROVED MEANS. |
| | 504.6 DOMESTIC CLOTHES DRYER DUCTS. |
| | EXHAUST DUCTS FOR DOMESTIC CLOTHES DRYERS SHALL CONFORM |
| | TO THE REQUIREMENTS OF SECTIONS 504.6.1 THROUGH |
| | 504.6.7. |
| | 504.6.1 MATERIAL AND SIZE. |
| | EXHAUST DUCTS SHALL HAVE A SMOOTH INTERIOR FINISH AND |
| | SHALL BE CONSTRUCTED OF METAL A MINIMUM 0.016 INCH (0.4 |
| | MM) THICK. THE EXHAUST DUCT SIZE SHALL BE 4 INCHES (102 |
| | MM) NOMINAL IN DIAMETER. |
| | 504.6.2 DUCT INSTALLATION. |
| | EXHAUST DUCTS SHALL BE SUPPORTED AT 4-FOOT (1219 MM) |
| | INTERVALS AND SECURED IN PLACE. THE INSERT END OF THE |
| | DUCT SHALL EXTEND INTO THE ADJOINING DUCT OR FITTING IN |
| | THE DIRECTION OF AIRFLOW. DUCTS SHALL NOT BE JOINED |
| | WITH SCREWS OR SIMILAR FASTENERS THAT PROTRUDE INTO THE |
| | INSIDE OF THE DUCT. |
| | 504.6.3 TRANSITION DUCTS. |
| | TRANSITION DUCTS USED TO CONNECT THE DRYER TO THE |
| | EXHAUST DUCT SYSTEM SHALL BE A SINGLE LENGTH THAT IS |
| | LISTED AND LABELED IN ACCORDANCE WITH UL 2158A. |
| | TRANSITION DUCTS SHALL BE A MAXIMUM OF 8 FEET (2438 MM) |
| | IN LENGTH AND SHALL NOT BE CONCEALED WITHIN |
| | CONSTRUCTION. |
| | 504.6.4 DUCT LENGTH.THE MAXIMUM ALLOWABLE EXHAUST DUCT |
| | LENGTH SHALL BE DETERMINED BY ONE OF THE METHODS |
| | SPECIFIED IN SECTION 504.6.4.1 OR 504.6.4.2. |
| | 504.6.4.1 SPECIFIED LENGTH. |
| | THE MAXIMUM LENGTH OF THE EXHAUST DUCT SHALL BE 35 FEET |
| | (10 668 MM) FROM THE CONNECTION TO THE TRANSITION DUCT |
| | FROM THE DRYER TO THE OUTLET TERMINAL. WHERE FITTINGS |
| | ARE USED, THE MAXIMUM LENGTH OF THE EXHAUST DUCT SHALL |
| | BE REDUCED IN ACCORDANCE WITH TABLE 504.6.4.1. |
| | 504.6.4.2 MANUFACTURER'S INSTRUCTIONS. |
| | THE MAXIMUM LENGTH OF THE EXHAUST DUCT SHALL BE |
| | DETERMINED BY THE DRYER MANUFACTURER'S INSTALLATION |
| | INSTRUCTIONS. THE CODE OFFICIAL SHALL BE PROVIDED WITH |
| | A COPY OF THE INSTALLATION INSTRUCTIONS FOR THE MAKE |
| | AND MODEL OF THE DRYER. WHERE THE EXHAUST DUCT IS TO BE |
| | CONCEALED, THE INSTALLATION INSTRUCTIONS SHALL BE |
| | PROVIDED TO THE CODE OFFICIAL PRIOR TO THE CONCEALMENT |
| | INSPECTION. IN THE ABSENCE OF FITTING EQUIVALENT LENGTH |
| | CALCULATIONS FROM THE CLOTHES DRYER MANUFACTURER, TABLE |
| | 504.6.4.1 SHALL BE USED. |
| | 504.6.5 LENGTH IDENTIFICATION. |
| | WHERE THE EXHAUST DUCT IS CONCEALED WITHIN THE BUILDING |
| | CONSTRUCTION, THE EQUIVALENT LENGTH OF THE EXHAUST DUCT |
| | SHALL BE IDENTIFIED ON A PERMANENT LABEL OR TAG. THE |
| | LABEL OR TAG SHALL BE LOCATED WITHIN 6 FEET (1829 MM) |
| | OF THE EXHAUST DUCT CONNECTION. |
| | SEE TABLE 504.6.4.1 DRYER EXHAUST DUCT FITTING |
| | EQUIVALENT LENGTH |
| | DRYER EXHAUST DUCT FITTING TYPE EQUIVALENT LENGTH |
| | 2) SHEET A002: NO AC RETURN GRILLS ARE SHOWN IN THE |
| | CEILING OF THE NEW COSTUME SHOP, AND NO SUPPLY |
| | DIFFUSERS OR RETURNS ARE SHOWN IN THE CEILINGS OF THE |
| | NEW BREAKROOM AND THE NEW LAUNDRY ROOM- BALANCED AIR IS |
| | REQUIRED IN ACCORDANCE WITH SECTION 601.5 FBC-14 |
| | MECHANICAL. |
| | 3) REFER TO SECTION 809.2 FBC-14 EXISTING BUILDING CODE |
| | AND PROVIDE VENTILATION CALCULATIONS FOR EACH ROOM AND |
| | SPACE. TO VERIFY COMPLIANCE WITH THIS SECTION, THE |
| | CALCULATIONS MUST INDICATE THE REQUIRED AMOUNT OF O/A |
| | CFM'S AND THE AMOUNT BEING PROVIDED, AND THE PLAN MUST |
| | SHOW THE AIRFLOW CFM'S AT EACH DIFFUSER AND RETURN |
| | GRILL. |
| | |
| | CHRISTOPHER L. COLE |
| | MECHANICAL PLANS EXAMINER |
| | 561-805-6719 |
| | [email protected] |
| | |
