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2014-06-16 07:52:28 | 1ST REVIEW: |
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| THE APPLICATION INCLUDES REPLACING FLOORING. PLEASE |
| PROVIDE SPECIFICATIONS IN THE FORM OF SUBMITTAL |
| DOCUMENTS ON FLOORING AND SOUND INSULATION TO |
| DEMONSTRATE COMPLIANCE WITH THE THE FBC SECTIONS BELOW, |
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| 1207.1 SCOPE. |
| THIS SECTION SHALL APPLY TO COMMON INTERIOR WALLS, |
| PARTITIONS AND FLOOR/CEILING ASSEMBLIES BETWEEN |
| ADJACENT DWELLING UNITS OR BETWEEN DWELLING UNITS AND |
| ADJACENT PUBLIC AREAS SUCH AS HALLS, CORRIDORS, STAIRS |
| OR SERVICE AREAS. |
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| 1207.2 AIR-BORNE SOUND. |
| WALLS, PARTITIONS AND FLOOR/CEILING ASSEMBLIES |
| SEPARATING DWELLING UNITS FROM EACH OTHER OR FROM |
| PUBLIC OR SERVICE AREAS SHALL HAVE A SOUND TRANSMISSION |
| CLASS (STC) OF NOT LESS THAN 50 (45 IF FIELD TESTED) |
| FOR AIR-BORNE NOISE WHEN TESTED IN ACCORDANCE WITH ASTM |
| E 90. PENETRATIONS OR OPENINGS IN CONSTRUCTION |
| ASSEMBLIES FOR PIPING; ELECTRICAL DEVICES; RECESSED |
| CABINETS; BATHTUBS; SOFFITS; OR HEATING, VENTILATING OR |
| EXHAUST DUCTS SHALL BE SEALED, LINED, INSULATED OR |
| OTHERWISE TREATED TO MAINTAIN THE REQUIRED RATINGS. |
| THIS REQUIREMENT SHALL NOT APPLY TO DWELLING UNIT |
| ENTRANCE DOORS; HOWEVER, SUCH DOORS SHALL BE TIGHT |
| FITTING TO THE FRAME AND SILL. |
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| 1207.3 STRUCTURE-BORNE SOUND. |
| FLOOR/CEILING ASSEMBLIES BETWEEN DWELLING UNITS OR |
| BETWEEN A DWELLING UNIT AND A PUBLIC OR SERVICE AREA |
| WITHIN THE STRUCTURE SHALL HAVE AN IMPACT INSULATION |
| CLASS (IIC) RATING OF NOT LESS THAN 50 (45 IF FIELD |
| TESTED) WHEN TESTED IN ACCORDANCE WITH ASTM E 492. |
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| 603.1 ALLOWABLE MATERIALS. |
| COMBUSTIBLE MATERIALS SHALL BE PERMITTED IN BUILDINGS |
| OF TYPE I OR II CONSTRUCTION IN THE FOLLOWING |
| APPLICATIONS AND IN ACCORDANCE WITH SECTIONS 603.1.1 |
| THROUGH 603.1.3: |
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| 1. FIRE-RETARDANT-TREATED WOOD SHALL BE PERMITTED IN: |
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| 1.1. NONBEARING PARTITIONS WHERE THE REQUIRED |
| FIRE-RESISTANCE RATING IS 2 HOURS OR LESS. |
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| 1.2. NONBEARING EXTERIOR WALLS WHERE NO FIRE RATING IS |
| REQUIRED. |
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| 1.3. ROOF CONSTRUCTION, INCLUDING GIRDERS, TRUSSES, |
| FRAMING AND DECKING. |
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| EXCEPTION: IN BUILDINGS OF TYPE IA CONSTRUCTION |
| EXCEEDING TWO STORIES ABOVE GRADE PLANE, |
| FIRE-RETARDANT-TREATED WOOD IS NOT PERMITTED IN ROOF |
| CONSTRUCTION WHEN THE VERTICAL DISTANCE FROM THE UPPER |
| FLOOR TO THE ROOF IS LESS THAN 20 FEET (6096 MM). |
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| 2. THERMAL AND ACOUSTICAL INSULATION, OTHER THAN FOAM |
| PLASTICS, HAVING A FLAME SPREAD INDEX OF NOT MORE THAN |
| 25. |
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| EXCEPTIONS: |
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| 1. INSULATION PLACED BETWEEN TWO LAYERS OF |
| NONCOMBUSTIBLE MATERIALS WITHOUT AN INTERVENING |
| AIRSPACE SHALL BE ALLOWED TO HAVE A FLAME SPREAD INDEX |
| OF NOT MORE THAN 100. |
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| 2. INSULATION INSTALLED BETWEEN A FINISHED FLOOR AND |
| SOLID DECKING WITHOUT INTERVENING AIRSPACE SHALL BE |
| ALLOWED TO HAVE A FLAME SPREAD INDEX OF NOT MORE THAN |
| 200. |
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| STEVEN KENNEDY, CBO |
| CHIEF PLANS EXAMINER |
| (561) 805-6710 |
| [email protected] |
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