| 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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