Plan Review Notes
Plan Review Notes For Permit 20011223
Permit Number 20011223
Review Stop M
Sequence Number 3
Notes
Date Text
2020-11-17 15:49:473RD REVIEW FBC-2017 MECHANICAL
 PERMIT-20011223
  
 CODES IN EFFECT:
  
 FBC B- FLORIDA BUILDING CODE SIXTH EDITION 2017
 FBC M- FLORIDA MECHANICAL CODE SIXTH EDITION 2017
 FBC EC- FLORIDA ENERGY CONSERVATION CODE SIXTH EDITION
 2017
 FBC FG- FLORIDA FUEL GAS CODE SIXTH EDITION 2017
 FBC EX- FLORIDA EXISTING BUILDING CODE SIXTH EDITION
 2017
 FBC RES- FLORIDA RESIDENTIAL BUILDING CODE SIXTH
 EDITION 2017
 FS- FLORIDA STATUTES
 FAC- FLORIDA ADMINISTRATIVE CODE
 WPB- WEST PALM BEACH AMENDMENTS TO THE FBC SIXTH
 EDITION 2017
  
 PLAN REVIEW RESULTS: DENIED.
  
 1) PLEASE PROVIDE A LETTER FROM THE DRYER MANUFACTURER
 STATING THAT THE X VENT DRYER EXHAUST TERMINATION IS
 ALLOWED WITH THEIR DRYER. THE X VENT IS UNIQUE IN THE
 FACT THAT IT USES BOTH THE BACK-DRAFT DAMPER AND THE
 LOUVER. THE INSTALLATION MANUAL DOES NOT ADDRESS THIS
 KIND OF INSTALLATION. WITH THE X VENT SYSTEM THE BOX OF
 THE X VENT IS MOUNTED INTO THE EXTERIOR OF THE WALL AND
 THE LOUVER IS FLUSH TO THE EXTERIOR WALL. THE EXHAUST
 OF THE DRYER MUST TRAVEL THROUGH THE EXHAUST DUCT, OPEN
 THE BACK-DRAFT DAMPER AND TRAVEL THROUGH THE X VENT
 COVER (LOUVER) BEFORE IT IS EXHAUSTED TO THE OUTDOORS.
 BECAUSE THIS PRODUCT USES BOTH THE BACK-DRAFT DAMPER
 AND THE OUTER COVER OF THE BOX (LOUVER) INSTEAD OF
 EITHER THE BACK-DRAFT DAMPER OR THE LOUVER THE DRYER
 MANUFACTURER MUST ADDRESS THE ASSEMBLY. WE MUST HAVE AN
 APPROVAL LETTER FROM THE SPECIFIC DRYER MANUFACTURER
 FOR THE SPECIFIC DRYER USED IN THIS PROJECT. FBC M
 504.8.4.2
 YOU CAN SUBMIT THE DOCUMENTATION THAT WAS SUBMITTED TO
 THE PRIVATE PROVIDER AS PROOF THAT THE XVENT
 TERMINATION CAN BE USED WITH THE SPECIFIED DRYERS OR
 THE ENGINEER OF RECORD CAN SUBMIT CALCULATIONS
 ADDRESSING THE RESTRICTION OF BOTH THE BACKDRAFT DAMPER
 AND THE LOUVER AND HOW THIS WILL EFFECT THE DRYER DUCT
 LENGTHS.
  
  
 2) PREVIOUS CYCLE RESPONSE FROM DESIGNER STATED ? FBC
 M REQUIRED AMCA 550 RATINGS ONLY FOR LOUVERS.
 RESIDENTIAL BATHROOM AND DRYER EXHAUST VENTS DO NOT
 CLASSIFY AS LOUVERS THEREFORE THE REQUIREMENT SHOULD
 NOT APPLY.? AS THIS IS A COMMERCIAL BUILDING AND NOT
 EITHER A ONE OR TWO FAMILY DWELLING AND THE FACT THAT
 THE X VENT DOCUMENTATION SUBMITTED DOES CALL THE OUTER
 SECTION A LOUVER THE REVIEWERS COMMENT DOES APPLY AND
 MUST BE ADDRESSED. PLEASE PROVIDE SPECIFICATIONS THAT
 SHOW THE LOUVER SIZE MEETS FBC M 501.3.2. ?OPENINGS IN
 LOUVERS SHALL BE SIZED NOT LESS THAN ?? AND NOT LARGER
 THAN ??. PLEASE PROVIDE DOCUMENTATION IF THERE IS AN
 EXCEPTION FOR THE SIZES OF THE X VENT LOUVERS
  
 3) WE ARE ENFORCING THE 2017 FBC MECHANICAL, THE CODE
 SECTION MENTIONED IN THE RESPONSE LETTER (2018 IMC
 504.4.1) DOES NOT EXIST IN OUR CURRENT CODE BOOK.
 ACCORDING TO THE 2018 IMC COMMENTARY, 504.4.1 EXHAUST
 TERMINATION OUTLET AND PASSAGEWAY SIZE SHALL NOT BE
 DIMINISHED IN SIZE. PLEASE SHOW THAT THE LOUVERS MEET -
 FBC M 501.3.2
  
 4) SHEET M-2.1A; ALL TYPE I HOODS THAT PENETRATE A FIRE
 RATED ASSEMBLY MUST BE WRAPPED FROM THE HOOD TO THE
 POINT OF PENETRATION TO THE OUTLET TERMINAL. IN-LINE
 EXHAUST FANS NOT LOCATED OUTDOORS SHALL BE ENCLOSED AS
 REQUIRED FOR GREASE DUCTS. FBC M 506.3.11
  
 5) SHEET M-2.1A; AIR BALANCE REPORT: DESIGN PLANS FOR A
 FACILITY WITH A COMMERCIAL KITCHEN VENTILATION SYSTEM
 SHALL INCLUDE A SCHEDULE OR DIAGRAM INDICATING THE
 DESIGN OUTDOOR AIR BALANCE. THE DESIGN OUTDOOR AIR
 BALANCE SHALL INDICATE ALL EXHAUST AND REPLACEMENT AIR
 FOR THE FACILITY, PLUS THE NET EXFILTRATION IF
 APPLICABLE. THE TOTAL REPLACEMENT AIR AIRFLOW RATE
 SHALL EQUAL THE TOTAL EXHAUST AIRFLOW RATE PLUS THE NET
 EXFILTRATION. FBC M 508.1.2
  
 WHEN RESUBMITTING, IT IS HELPFUL TO PROVIDE A RESPONSE
 LETTER ADDRESSING EACH ITEM ALONG WITH THE CITY
 RE-SUBMITTAL FORM. ADDITIONALLY, PLEASE INSERT
 CORRECTED PLAN SHEETS INTO THE SETS, REMOVE THE OLD
 SHEETS FROM THE PLAN SETS, BIND THEM TOGETHER
 SEPARATELY AND MARK VOID OR OLD ON THEM. PLEASE RETAIN
 THEM FOR REFERENCE WITH THE NEW SUBMITTED PLANS. THIS
 PROCESS WILL ALSO APPLY TO ANY DOCUMENTS SUCH AS
 PRODUCT APPROVALS OR CALCULATIONS BEING REPLACED OR
 UPDATED.
  
 MICHAEL EDWARDS
 MECHANICAL EXAMINER
 401 CLEMATIS STREET
 WEST PALM BEACH FL. 33401
 561-805-6728
 [email protected]
  


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