Plan Review Notes
Plan Review Notes For Permit 16020141
Permit Number 16020141
Review Stop M
Sequence Number 2
Notes
Date Text
2016-04-11 12:48:502ND REVIEW: FBC 2014 MECHANICAL
 PERMIT #16020141
 4/11/16
  
 1) PLEASE REFER TO NFPA 37-2010 ANNEX EXPLANATORY
 MATERIAL, SECTIONS A.8.2.3.1 AND A.11.4.2.3, IT APPEARS
 THAT THE INTENTION IS TO HAVE THE EXHAUST FROM BOTH THE
 GENERATOR ENGINE AND FROM THE GENERATOR ROOM TERMINATE
 OUTSIDE OF THE BUILDING AND NOT UNDERNEATH THE
 STRUCTURE.
  
 A.8.2.3.1: EXHAUST SYSTEMS SHOULD NOT TERMINATE UNDER
 STRUCTURES (INCLUDING LOADING PLATFORMS) OR WHERE
 EXHAUST GAS ENTRAINMENT INTO VENTILATION INTAKES MIGHT
 OCCUR.
  
 A.11.4.2.3: MECHANICAL VENTILATION SYSTEMS CAN CONSIST
 OF THE NORMAL VENTILATION SYSTEM FOR THE ROOM OR
 ENCLOSURE OR A DEDICATED PURGE SYSTEM. EXHAUST AIR
 SHOULD DISCHARGE OUTSIDE THE STRUCTURE, AWAY FROM
 OPERABLE WINDOWS AND OUTSIDE AIR INTAKES. IN LOCATING
 THE EXHAUST AIR DISCHARGE, CONSIDERATION SHOULD BE
 GIVEN TO BOTH THE ENGINE ENCLOSURE AND NEARBY
 STRUCTURES.
 CHAPTER 15, "AIRFLOW AROUND BUILDINGS," OF THE ASHRAE
 1997 HANDBOOK-FUNDAMENTALS CAN BE CONSULTED FOR
 GUIDELINES ONEXHAUST AIR STACK HEIGHT AND DISTANCE FROM
 OTHER STRUCTURES, AS WELL AS AIR INTAKES NEEDED TO
 PROVIDE ADEQUATE DILUTION AND TO AVOID DETRIMENTAL
 EFFECTS OF DOWNDRAFTS.
  
 A) REFER TO SECTIONS 501.3 AND 501.3.1(4) FBC-14
 MECHANICAL WHICH REQUIRE THE EXHAUST SYSTEMS NOT TO
 TERMINATE WHERE THEY COULD CAUSE A NUISANCE, OR BE
 READILY DRAWN INTO A VENTILATING SYSTEM, AND MUST BE 3'
 FROM EXTERIOR WALLS AND ROOFS.
  
 2) THE SCREENING FOR THE GENERATOR ROOM EXHAUST DUCT
 SHALL BE CORROSION RESISTANT WITH OPENINGS NOT LESS
 THAN 1/4" AND NOT LARGER THAN 1/2". THE 1" WELDED
 STAINLESS MEXH SPECIFIED ON THE PLANS DOES NOT MEET THE
 CODE.
  
 3) PLEASE PROVIDE WIND LOAD ENGINEERING FOR
 INSTALLATION OF THE GEF-1 AND EXHAUST DUCTWORK- SECTION
 301.15.
  
 CHRISTOPHER L. COLE
 MECHANICAL PLANS EXAMINER
 561-805-6719
 [email protected]
  
  


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