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2019-01-24 08:20:47 | 01/30/19 E-MAIL FROM ARCHITECT (SEE BELOW). (TOLD ARCH. |
| THAT EXCEPTION IS OK. WAITING TO RECEIVE REVISED |
| PLANS)/ JG. |
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| GOOD MORNING MR. GOMEZ, |
| WE SHALL BE RESUBMITTING REVISED PLANS THAT INCLUDE THE |
| DESCRIPTION FOR A REQUIRED 1-HOUR CORRIDOR. PER THE FBC |
| CODE SECTIONS EXCEPTIONS HIGHLIGHTED BELOW WE ARE |
| PERMITTED TO CONSTRUCT THE CORRIDOR CEILING / LID USING |
| THE SAME ASSEMBLY AS REQUIRED FOR A THE 1-HOUR RATED |
| CORRIDOR PARTITIONS UL #U465. (3 5/8? MTL FRAMING W/ |
| 5/8 TYPE X GYP. BD ON BOTH SIDES...) THERE SHALL BE |
| CONTINUITY OF THE 5/8: GYP. BD. AS WELL AS |
| FIRE-STOPPING AT THE CEILING / WALL TRANSITION. |
| PLEASE LET ME KNOW IF YOU HAVE ANY RESERVATIONS OR |
| CONCERNS, AS WE ARE UNDER CONSTRUCTION AND CANNOT DELAY |
| THE RE-SUBMITTAL. |
| AGAIN THANK YOU FOR YOUR TIME IN THIS MATTER |
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| 466.8CORRIDORS. |
| EVERY INTERIOR CORRIDOR SHALL BE CONSTRUCTED OF WALLS |
| HAVING NOT LESS THAN A 1-HOUR FIRE-RESISTANCE RATING. |
| EXCEPTIONS: |
| 1. |
| 2. .WHERE THE CORRIDOR CEILING IS AN ASSEMBLY HAVING A |
| 1-HOUR FIRE-RESISTANCE RATING WHERE TESTED AS A WALL, |
| THE CORRIDOR WALLS SHALL BE PERMITTED TO TERMINATE AT |
| THE CORRIDOR CEILING. |
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| 708.4CONTINUITY. |
| FIRE PARTITIONS SHALL EXTEND FROM THE TOP OF THE |
| FOUNDATION OR FLOOR/CEILING ASSEMBLY BELOW TO THE |
| UNDERSIDE OF THE FLOOR OR ROOF SHEATHING, SLAB OR DECK |
| ABOVE OR TO THE FIRE-RESISTANCE-RATED FLOOR/CEILING OR |
| ROOF/CEILING ASSEMBLY ABOVE, AND SHALL BE SECURELY |
| ATTACHED THERETO. IN COMBUSTIBLE CONSTRUCTION WHERE THE |
| FIRE PARTITIONS ARE NOT REQUIRED TO BE CONTINUOUS TO |
| THE SHEATHING, DECK OR SLAB, THE SPACE BETWEEN THE |
| CEILING AND THE SHEATHING, DECK OR SLAB ABOVE SHALL BE |
| FIREBLOCKED OR DRAFTSTOPPED IN ACCORDANCE WITH SECTIONS |
| 718.2 AND 718.3 AT THE PARTITION LINE. THE SUPPORTING |
| CONSTRUCTION SHALL BE PROTECTED TO AFFORD THE REQUIRED |
| FIRE-RESISTANCE RATING OF THE WALL SUPPORTED, EXCEPT |
| FOR WALLS SEPARATING TENANT SPACES IN COVERED AND OPEN |
| MALL BUILDINGS, WALLS SEPARATING DWELLING UNITS, WALLS |
| SEPARATING SLEEPING UNITS AND CORRIDOR WALLS, IN |
| BUILDINGS OF TYPE IIB, IIIB AND VB CONSTRUCTION. |
| EXCEPTIONS: |
| 1. |
| 2. |
| 3..WHERE THE CORRIDOR CEILING IS CONSTRUCTED AS |
| REQUIRED FOR THE CORRIDOR WALLS, THE WALLS SHALL BE |
| PERMITTED TO TERMINATE AT THE UPPER MEMBRANE OF SUCH |
| CEILING ASSEMBLY. |
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| REVISION, BUILDING REVIEW COMMENTS |
| CODE: FBC 6TH EDITION (2017) AND CITY AMENDMENTS. |
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| 1- PROPOSED 1 HOUR RATED CEILINGS SHOWN ON SHEET A6.01 |
| IS REFERENCING TABLE 722.2.1.4(2). THIS TABLE IS FOR |
| CALCULATED FIRE RESISTANCE FOR WALL ASSEMBLIES NOT FOR |
| CEILING ASSEMBLIES. AND, IS ALSO FOR CONCRETE |
| ASSEMBLIES (SEE SEC. 722.2 FBC). NEED COMPLETE DETAIL |
| FOR APPROVED 1 HOUR FIRE RATED CEILING ASSEMBLY THAT |
| MATCHES EXISTING CONSTRUCTION. REVISE AS REQUIRED. |
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| PLEASE NOTE THAT SUBMITTAL OF ADDITIONAL AND/OR REVISED |
| MATERIALS MAY RESULT IN NEW PLAN REVIEW COMMENTS. |
| WHEN RESUBMITTING, IT IS HELPFUL TO PROVIDE A RESPONSE |
| LETTER ADDRESSING EACH ITEM ALONG WITH THE CITY |
| RE-SUBMITTAL FORM. PLEASE, ADDITIONALLY, INSERT |
| CORRECTED PAGES INTO TO SUBMITTAL AND REMOVE/VOID THE |
| PREVIOUSLY REVIEWED SHEETS. |
| PLEASE DON'T STAPLE OLD DRAWINGS/DOCUMENTS . SUBMIT OLD |
| DRAWINGS/DOCUMENTS FOR REFERENCE. |
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| IF YOU HAVE ANY QUESTIONS, PLEASE CONTACT |
| JULIO GOMEZ |
| COMMERCIAL COMBINATION PLANS EXAMINER |
| DEVELOPMENT SERVICES DEPARTMENT |
| BUILDING DIVISION |
| (561)805-6712 |
| [email protected] |
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